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Analysis Report samtidshistoriker.exe

Overview

General Information

Sample Name:	samtidshistoriker.exe
Analysis ID:	393906
MD5:	780254149cfe37ce295a82588be31204
SHA1:	c28ac373e62a87ae40ad378458d68adc0255558d
SHA256:	74c9a0f54acec0d6579e9a43c75571f05eeb7393f43c13a5e790bfbb262dcb2e
Infos:
Most interesting Screenshot:

Detection

GuLoader

Score:	84
Range:	0 - 100
Whitelisted:	false
Confidence:	100%

Signatures

Found malware configuration

Multi AV Scanner detection for submitted file

Yara detected GuLoader

C2 URLs / IPs found in malware configuration

Detected RDTSC dummy instruction sequence (likely for instruction hammering)

Found potential dummy code loops (likely to delay analysis)

Machine Learning detection for sample

Tries to detect virtualization through RDTSC time measurements

Abnormal high CPU Usage

Creates a DirectInput object (often for capturing keystrokes)

Found potential string decryption / allocating functions

PE file contains an invalid checksum

PE file contains strange resources

Program does not show much activity (idle)

Sample file is different than original file name gathered from version info

Uses 32bit PE files

Uses code obfuscation techniques (call, push, ret)

Classification

Startup

System is w10x64

samtidshistoriker.exe (PID: 7080 cmdline: 'C:\Users\user\Desktop\samtidshistoriker.exe' MD5: 780254149CFE37CE295A82588BE31204)

cleanup

Malware Configuration

Threatname: GuLoader

{"Payload URL": "https://drive.google.com/uc?export=download&id=14HidX9PYpF9MdDuU2Alpazy_Sg8A9xmd", "Injection Process": ["RegAsm.exe", "RegSvcs.exe", "MSBuild.exe"]}

Yara Overview

Memory Dumps

Source	Rule	Description	Author	Strings
00000001.00000002.1163761913.0000000000540000.00000040.00000001.sdmp	JoeSecurity_GuLoader	Yara detected GuLoader	Joe Security

Sigma Overview

No Sigma rule has matched

Signature Overview

Click to jump to signature section

Show All Signature Results

AV Detection:

Found malware configuration

Show sources

Source: 00000001.00000002.1163761913.0000000000540000.00000040.00000001.sdmp

Malware Configuration Extractor: GuLoader {"Payload URL": "https://drive.google.com/uc?export=download&id=14HidX9PYpF9MdDuU2Alpazy_Sg8A9xmd", "Injection Process": ["RegAsm.exe", "RegSvcs.exe", "MSBuild.exe"]}

Multi AV Scanner detection for submitted file

Show sources

Source: samtidshistoriker.exe	Virustotal: Detection: 23%	Perma Link
Source: samtidshistoriker.exe	Metadefender: Detection: 14%	Perma Link
Source: samtidshistoriker.exe	ReversingLabs: Detection: 48%

Machine Learning detection for sample

Show sources

Source: samtidshistoriker.exe

Joe Sandbox ML: detected

Source: samtidshistoriker.exe

Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED

Networking:

C2 URLs / IPs found in malware configuration

Show sources

Source: Malware configuration extractor

URLs: https://drive.google.com/uc?export=download&id=14HidX9PYpF9MdDuU2Alpazy_Sg8A9xmd

Source: samtidshistoriker.exe, 00000001.00000002.1163895685.000000000069A000.00000004.00000020.sdmp

Binary or memory string: <HOOK MODULE="DDRAW.DLL" FUNCTION="DirectDrawCreateEx"/>

Source: C:\Users\user\Desktop\samtidshistoriker.exe

Process Stats: CPU usage > 98%

Source: C:\Users\user\Desktop\samtidshistoriker.exe

Code function: String function: 004022AC appears 361 times

Source: samtidshistoriker.exe

Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST

Source: samtidshistoriker.exe, 00000001.00000002.1163862323.0000000000660000.00000002.00000001.sdmp

Binary or memory string: OriginalFilenameuser32j% vs samtidshistoriker.exe

Source: samtidshistoriker.exe

Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED

Source: classification engine

Classification label: mal84.troj.evad.winEXE@1/0@0/0

Source: C:\Users\user\Desktop\samtidshistoriker.exe

File created: C:\Users\user\AppData\Local\Temp\~DF9860C7993842CF33.TMP

Jump to behavior

Source: samtidshistoriker.exe

Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ

Source: C:\Users\user\Desktop\samtidshistoriker.exe

Section loaded: C:\Windows\SysWOW64\msvbvm60.dll

Source: C:\Users\user\Desktop\samtidshistoriker.exe

Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers

Source: samtidshistoriker.exe	Virustotal: Detection: 23%
Source: samtidshistoriker.exe	Metadefender: Detection: 14%
Source: samtidshistoriker.exe	ReversingLabs: Detection: 48%

Data Obfuscation:

Yara detected GuLoader

Show sources

Source: Yara match

File source: 00000001.00000002.1163761913.0000000000540000.00000040.00000001.sdmp, type: MEMORY

Source: samtidshistoriker.exe

Static PE information: real checksum: 0x322ea should be: 0x39700

Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_00408066 push edi; ret
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_0040947C push ebx; retf
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_00407618 push ecx; retf
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_004050CC push esp; iretd
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_004096D6 push eax; ret
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_00404EAC push ds; retf
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_00403AAD push ecx; iretd
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_004062BB push FFFFFF81h; ret
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_0040791D push ebx; iretd
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_0040611E push ebp; retf
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_0040552E push ebp; ret
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_00409138 push ds; iretd
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_00409BC5 push 3975AA4Dh; ret
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_004099D4 push ds; retf
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_00409BDA push edx; ret
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_004091E1 pushad ; iretd
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_004099ED pushad ; iretd
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_00409BF3 push ebx; iretd
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Code function: 1_2_004071F6 push edx; ret

Source: C:\Users\user\Desktop\samtidshistoriker.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Users\user\Desktop\samtidshistoriker.exe	Process information set: NOOPENFILEERRORBOX

Malware Analysis System Evasion:

Detected RDTSC dummy instruction sequence (likely for instruction hammering)

Show sources

Source: C:\Users\user\Desktop\samtidshistoriker.exe	RDTSC instruction interceptor: First address: 0000000000545A0C second address: 0000000000545A0C instructions:
Source: C:\Users\user\Desktop\samtidshistoriker.exe	RDTSC instruction interceptor: First address: 0000000000545983 second address: 0000000000545983 instructions: 0x00000000 rdtsc 0x00000002 mov eax, 00000001h 0x00000007 cpuid 0x00000009 popad 0x0000000a add edx, ebx 0x0000000c movzx ebx, byte ptr [esi] 0x0000000f cmp ch, 00000060h 0x00000012 add edx, ebx 0x00000014 add esi, 02h 0x00000017 cmp word ptr [esi], 0000h 0x0000001b jne 00007FD7BCE45442h 0x0000001d jmp 00007FD7BCE454AAh 0x0000001f pushad 0x00000020 mov bx, 9C89h 0x00000024 cmp bx, 9C89h 0x00000029 jne 00007FD7BCE40221h 0x0000002f popad 0x00000030 mov ebx, edx 0x00000032 test ch, bh 0x00000034 shl edx, 05h 0x00000037 pushad 0x00000038 rdtsc

Tries to detect virtualization through RDTSC time measurements

Show sources

Source: C:\Users\user\Desktop\samtidshistoriker.exe	RDTSC instruction interceptor: First address: 000000000040A5EF second address: 000000000040A5EF instructions: 0x00000000 rdtsc 0x00000002 cmp eax, 0000009Ah 0x00000007 cmp ebx, 000000BDh 0x0000000d cmp eax, 65h 0x00000010 cmp ebx, 000000B6h 0x00000016 cmp ebx, 37h 0x00000019 cmp eax, 000000C2h 0x0000001e pandn mm5, mm0 0x00000021 punpckhdq xmm3, xmm2 0x00000025 fyl2x 0x00000027 psubsw xmm7, xmm7 0x0000002b fninit 0x0000002d psubusb xmm2, xmm6 0x00000031 punpckhbw xmm5, xmm7 0x00000035 pcmpeqb xmm7, xmm0 0x00000039 fnclex 0x0000003b fpatan 0x0000003d jmp 00007FD7BCCA429Eh 0x0000003f cmp eax, 7Dh 0x00000042 cmp edi, 02EAFF40h 0x00000048 movd mm1, ebx 0x0000004b movd mm1, ebx 0x0000004e movd mm1, ebx 0x00000051 movd mm1, ebx 0x00000054 jne 00007FD7BCCA40FAh 0x0000005a inc edi 0x0000005b cmp eax, 000000D1h 0x00000060 cmp ebx, 000000D6h 0x00000066 cmp ebx, 49h 0x00000069 cmp eax, 1Eh 0x0000006c cmp ebx, 000000E0h 0x00000072 cmp ebx, 2Ah 0x00000075 psrlq xmm2, 46h 0x0000007a psrld mm2, B8h 0x0000007e fnop 0x00000080 fld1 0x00000082 fmulp st(6), st(0) 0x00000084 fldz 0x00000086 fldl2t 0x00000088 paddusw mm3, mm6 0x0000008b nop 0x0000008c pmullw xmm7, xmm3 0x00000090 jmp 00007FD7BCCA4297h 0x00000092 cmp ebx, 58h 0x00000095 cmp ebx, 000000BDh 0x0000009b rdtsc
Source: C:\Users\user\Desktop\samtidshistoriker.exe	RDTSC instruction interceptor: First address: 00000000005459CA second address: 0000000000545A0C instructions: 0x00000000 rdtsc 0x00000002 lfence 0x00000005 shl edx, 20h 0x00000008 or edx, eax 0x0000000a popad 0x0000000b test al, dl 0x0000000d cmp dh, ah 0x0000000f cmp cl, al 0x00000011 test ch, 00000032h 0x00000014 jmp 00007FD7BCE454AAh 0x00000016 pushad 0x00000017 mov bx, 5EFCh 0x0000001b cmp bx, 5EFCh 0x00000020 jne 00007FD7BCE40193h 0x00000026 popad 0x00000027 test ch, bh 0x00000029 pushad 0x0000002a rdtsc
Source: C:\Users\user\Desktop\samtidshistoriker.exe	RDTSC instruction interceptor: First address: 0000000000545A0C second address: 0000000000545A0C instructions:
Source: C:\Users\user\Desktop\samtidshistoriker.exe	RDTSC instruction interceptor: First address: 0000000000545983 second address: 0000000000545983 instructions: 0x00000000 rdtsc 0x00000002 mov eax, 00000001h 0x00000007 cpuid 0x00000009 popad 0x0000000a add edx, ebx 0x0000000c movzx ebx, byte ptr [esi] 0x0000000f cmp ch, 00000060h 0x00000012 add edx, ebx 0x00000014 add esi, 02h 0x00000017 cmp word ptr [esi], 0000h 0x0000001b jne 00007FD7BCE45442h 0x0000001d jmp 00007FD7BCE454AAh 0x0000001f pushad 0x00000020 mov bx, 9C89h 0x00000024 cmp bx, 9C89h 0x00000029 jne 00007FD7BCE40221h 0x0000002f popad 0x00000030 mov ebx, edx 0x00000032 test ch, bh 0x00000034 shl edx, 05h 0x00000037 pushad 0x00000038 rdtsc
Source: C:\Users\user\Desktop\samtidshistoriker.exe	RDTSC instruction interceptor: First address: 00000000005430BA second address: 00000000005430BA instructions: 0x00000000 rdtsc 0x00000002 xor eax, eax 0x00000004 inc eax 0x00000005 cpuid 0x00000007 popad 0x00000008 call 00007FD7BCCA4264h 0x0000000d lfence 0x00000010 mov edx, dword ptr [7FFE0014h] 0x00000016 lfence 0x00000019 ret 0x0000001a sub edx, esi 0x0000001c ret 0x0000001d jmp 00007FD7BCCA425Ah 0x0000001f test dh, ah 0x00000021 pop ecx 0x00000022 test bh, FFFFFFF5h 0x00000025 test eax, ecx 0x00000027 add edi, edx 0x00000029 test ax, ax 0x0000002c dec ecx 0x0000002d cmp bh, ch 0x0000002f cmp ecx, 00000000h 0x00000032 jne 00007FD7BCCA420Dh 0x00000034 push ecx 0x00000035 call 00007FD7BCCA42A0h 0x0000003a call 00007FD7BCCA4274h 0x0000003f lfence 0x00000042 mov edx, dword ptr [7FFE0014h] 0x00000048 lfence 0x0000004b ret 0x0000004c mov esi, edx 0x0000004e pushad 0x0000004f rdtsc

Source: all processes

Thread injection, dropped files, key value created, disk infection and DNS query: no activity detected

Anti Debugging:

Found potential dummy code loops (likely to delay analysis)

Show sources

Source: C:\Users\user\Desktop\samtidshistoriker.exe

Process Stats: CPU usage > 90% for more than 60s

Source: all processes

Thread injection, dropped files, key value created, disk infection and DNS query: no activity detected

Source: samtidshistoriker.exe, 00000001.00000002.1163945973.0000000000E20000.00000002.00000001.sdmp	Binary or memory string: Program Manager
Source: samtidshistoriker.exe, 00000001.00000002.1163945973.0000000000E20000.00000002.00000001.sdmp	Binary or memory string: Shell_TrayWnd
Source: samtidshistoriker.exe, 00000001.00000002.1163945973.0000000000E20000.00000002.00000001.sdmp	Binary or memory string: Progman
Source: samtidshistoriker.exe, 00000001.00000002.1163945973.0000000000E20000.00000002.00000001.sdmp	Binary or memory string: Progmanlock

Mitre Att&ck Matrix

Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Exfiltration	Command and Control	Network Effects	Remote Service Effects	Impact
Valid Accounts	Windows Management Instrumentation	Path Interception	Process Injection1	Virtualization/Sandbox Evasion11	Input Capture1	Security Software Discovery3	Remote Services	Input Capture1	Exfiltration Over Other Network Medium	Application Layer Protocol1	Eavesdrop on Insecure Network Communication	Remotely Track Device Without Authorization	Modify System Partition
Default Accounts	Scheduled Task/Job	Boot or Logon Initialization Scripts	Boot or Logon Initialization Scripts	Process Injection1	LSASS Memory	Virtualization/Sandbox Evasion11	Remote Desktop Protocol	Data from Removable Media	Exfiltration Over Bluetooth	Junk Data	Exploit SS7 to Redirect Phone Calls/SMS	Remotely Wipe Data Without Authorization	Device Lockout
Domain Accounts	At (Linux)	Logon Script (Windows)	Logon Script (Windows)	Deobfuscate/Decode Files or Information1	Security Account Manager	Process Discovery1	SMB/Windows Admin Shares	Data from Network Shared Drive	Automated Exfiltration	Steganography	Exploit SS7 to Track Device Location	Obtain Device Cloud Backups	Delete Device Data
Local Accounts	At (Windows)	Logon Script (Mac)	Logon Script (Mac)	Obfuscated Files or Information2	NTDS	System Information Discovery21	Distributed Component Object Model	Input Capture	Scheduled Transfer	Protocol Impersonation	SIM Card Swap		Carrier Billing Fraud

Behavior Graph

Hide Legend

Legend:

Process
Signature
Created File
DNS/IP Info
Is Dropped
Is Windows Process
Number of created Registry Values
Number of created Files
Visual Basic
Delphi
Java
.Net C# or VB.NET
C, C++ or other language
Is malicious
Internet

Screenshots

Thumbnails

This section contains all screenshots as thumbnails, including those not shown in the slideshow.

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Source	Detection	Scanner	Label	Link
samtidshistoriker.exe	24%	Virustotal		Browse
samtidshistoriker.exe	18%	Metadefender		Browse
samtidshistoriker.exe	48%	ReversingLabs	Win32.Worm.Wbvb
samtidshistoriker.exe	100%	Joe Sandbox ML

Dropped Files

No Antivirus matches

Unpacked PE Files

No Antivirus matches

Domains

No Antivirus matches

URLs

No Antivirus matches

Domains and IPs

Contacted Domains

No contacted domains info

Contacted IPs

No contacted IP infos

General Information

Joe Sandbox Version:	31.0.0 Emerald
Analysis ID:	393906
Start date:	20.04.2021
Start time:	21:48:26
Joe Sandbox Product:	CloudBasic
Overall analysis duration:	0h 7m 23s
Hypervisor based Inspection enabled:	false
Report type:	light
Sample file name:	samtidshistoriker.exe
Cookbook file name:	default.jbs
Analysis system description:	Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211
Number of analysed new started processes analysed:	17
Number of new started drivers analysed:	0
Number of existing processes analysed:	0
Number of existing drivers analysed:	0
Number of injected processes analysed:	0
Technologies:	HCA enabled EGA enabled HDC enabled AMSI enabled
Analysis Mode:	default
Analysis stop reason:	Timeout
Detection:	MAL
Classification:	mal84.troj.evad.winEXE@1/0@0/0
EGA Information:	Successful, ratio: 100%
HDC Information:	Successful, ratio: 96.2% (good quality ratio 60.8%) Quality average: 35% Quality standard deviation: 32.7%
HCA Information:	Failed
Cookbook Comments:	Adjust boot time Enable AMSI Found application associated with file extension: .exe Override analysis time to 240s for sample files taking high CPU consumption
Warnings:	Show All Behavior information exceeds normal sizes, reducing to normal. Report will have missing behavior information. Exclude process from analysis (whitelisted): BackgroundTransferHost.exe, backgroundTaskHost.exe, svchost.exe, wuapihost.exe

Simulations

Behavior and APIs

No simulations

Joe Sandbox View / Context

IPs

No context

Domains

No context

ASN

No context

JA3 Fingerprints

No context

Dropped Files

No context

Created / dropped Files

No created / dropped files found

Static File Info

General
File type:	PE32 executable (GUI) Intel 80386, for MS Windows
Entropy (8bit):	5.828298088622674
TrID:	Win32 Executable (generic) a (10002005/4) 99.15% Win32 Executable Microsoft Visual Basic 6 (82127/2) 0.81% Generic Win/DOS Executable (2004/3) 0.02% DOS Executable Generic (2002/1) 0.02% Autodesk FLIC Image File (extensions: flc, fli, cel) (7/3) 0.00%
File name:	samtidshistoriker.exe
File size:	188416
MD5:	780254149cfe37ce295a82588be31204
SHA1:	c28ac373e62a87ae40ad378458d68adc0255558d
SHA256:	74c9a0f54acec0d6579e9a43c75571f05eeb7393f43c13a5e790bfbb262dcb2e
SHA512:	a2808f0288e5405044ed11dd5f61eed846f46309aa891ffc4cc74cc73acd8aef33280459a28225848c317575608d1d680b22dbc0b7818af488390035f02b441b
SSDEEP:	3072:FD6OZu5rkr4/vQkkkkkkkb3KekyOq33poWYgI7xa7gRmwbWV9ECG2Fs8Rmq8NnPa:FW6u5rk8vQkkkkkkkx3pFYlxacUUMOkj
File Content Preview:	MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$........#...B...B...B..L^...B...`...B...d...B..Rich.B..........PE..L...YH.H.................p...p.......#............@................

File Icon


Icon Hash:	dadadadaeeced8da

Static PE Info

General
Entrypoint:	0x4023bc
Entrypoint Section:	.text
Digitally signed:	false
Imagebase:	0x400000
Subsystem:	windows gui
Image File Characteristics:	LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
DLL Characteristics:
Time Stamp:	0x48AE4859 [Fri Aug 22 05:02:17 2008 UTC]
TLS Callbacks:
CLR (.Net) Version:
OS Version Major:	4
OS Version Minor:	0
File Version Major:	4
File Version Minor:	0
Subsystem Version Major:	4
Subsystem Version Minor:	0
Import Hash:	6ffea5264b7d05b326e3dfee0bb6d570

Entrypoint Preview

Instruction
push 00411244h
call 00007FD7BC380953h
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
xor byte ptr [eax], al
add byte ptr [eax], al
inc eax
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [ebx+57CD23B9h], ch
movsd
inc eax
inc esi
lahf
dec edi
sahf
mov bl, 97h
mov al, F8h
jle 00007FD7BC380962h
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [ecx], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [ecx+66h], al
insb
popad
popad
jnc 00007FD7BC3809D0h
imul ebp, dword ptr [esi+67h], 00736E65h
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
dec esp
xor dword ptr [eax], eax
or eax, 2EE244E2h
out dx, eax
mov ecx, F08843CDh
rol dword ptr [edx+7C67A070h], FFFFFFFAh
arpl bp, si
daa
in al, C0h
mov ah, 4Bh
wait
or al, A3h
adc byte ptr [ecx+3A467CD2h], al
dec edi
lodsd
xor ebx, dword ptr [ecx-48EE309Ah]
or al, 00h
stosb
add byte ptr [eax-2Dh], ah
xchg eax, ebx
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
aam ECh
add byte ptr [eax], al
popfd
jmp far 4900h : 0F000000h
outsb
je 00007FD7BC3809CBh
imul sp, word ptr [ebx+65h], 6572h
xor eax, dword ptr fs:[eax]
or eax, 00000A01h

Data Directories

Name	Virtual Address	Virtual Size	Is in Section
IMAGE_DIRECTORY_ENTRY_EXPORT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_IMPORT	0x27724	0x28	.text
IMAGE_DIRECTORY_ENTRY_RESOURCE	0x2a000	0x48be	.rsrc
IMAGE_DIRECTORY_ENTRY_EXCEPTION	0x0	0x0
IMAGE_DIRECTORY_ENTRY_SECURITY	0x0	0x0
IMAGE_DIRECTORY_ENTRY_BASERELOC	0x0	0x0
IMAGE_DIRECTORY_ENTRY_DEBUG	0x0	0x0
IMAGE_DIRECTORY_ENTRY_COPYRIGHT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_GLOBALPTR	0x0	0x0
IMAGE_DIRECTORY_ENTRY_TLS	0x0	0x0
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG	0x0	0x0
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT	0x228	0x20
IMAGE_DIRECTORY_ENTRY_IAT	0x1000	0x1a0	.text
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR	0x0	0x0
IMAGE_DIRECTORY_ENTRY_RESERVED	0x0	0x0

Sections

Name	Virtual Address	Virtual Size	Raw Size	Xored PE	ZLIB Complexity	File Type	Entropy	Characteristics
.text	0x1000	0x26d30	0x27000	False	0.367225060096	data	6.06817311982	IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
.data	0x28000	0x1210	0x1000	False	0.00634765625	data	0.0	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ
.rsrc	0x2a000	0x48be	0x5000	False	0.235498046875	data	4.83220983666	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ

Resources

Name	RVA	Size	Type	Language	Country
RT_ICON	0x2e456	0x468	GLS_BINARY_LSB_FIRST
RT_ICON	0x2dace	0x988	data
RT_ICON	0x2ca26	0x10a8	data
RT_ICON	0x2a47e	0x25a8	data
RT_GROUP_ICON	0x2a440	0x3e	data
RT_VERSION	0x2a180	0x2c0	data	English	United States

Imports

DLL

Import

MSVBVM60.DLL

_CIcos, _adj_fptan, __vbaVarMove, __vbaFreeVar, __vbaAryMove, __vbaStrVarMove, __vbaFreeVarList, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaRecAnsiToUni, __vbaSetSystemError, __vbaHresultCheckObj, _adj_fdiv_m32, __vbaAryDestruct, __vbaOnError, __vbaObjSet, _adj_fdiv_m16i, _adj_fdivr_m16i, __vbaVarTstLt, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, __vbaGenerateBoundsError, __vbaStrCmp, __vbaAryConstruct2, __vbaVarTstEq, __vbaI2I4, DllFunctionCall, _adj_fpatan, __vbaRedim, __vbaRecUniToAnsi, EVENT_SINK_Release, __vbaUI1I2, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, _CIlog, __vbaFileOpen, __vbaNew2, __vbaVar2Vec, __vbaInStr, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaStrCopy, __vbaFreeStrList, __vbaDerefAry1, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarTstNe, __vbaVarAdd, __vbaVarDup, __vbaStrToAnsi, __vbaFpI4, _CIatan, __vbaStrMove, __vbaCastObj, _allmul, __vbaLateIdSt, _CItan, _CIexp, __vbaFreeStr, __vbaFreeObj

Version Infos

Description	Data
Translation	0x0409 0x04b0
InternalName	samtidshistoriker
FileVersion	1.00
CompanyName	AbnormalTerm
Comments	AbnormalTerm
ProductName	AbnormalTerm
ProductVersion	1.00
FileDescription	AbnormalTerm
OriginalFilename	samtidshistoriker.exe

Possible Origin

Language of compilation system	Country where language is spoken	Map
English	United States

Network Behavior

No network behavior found

Code Manipulations

Statistics

System Behavior

Analysis Process: samtidshistoriker.exe PID: 7080 Parent PID: 5968

General

Start time:	21:49:11
Start date:	20/04/2021
Path:	C:\Users\user\Desktop\samtidshistoriker.exe
Wow64 process (32bit):	true
Commandline:	'C:\Users\user\Desktop\samtidshistoriker.exe'
Imagebase:	0x400000
File size:	188416 bytes
MD5 hash:	780254149CFE37CE295A82588BE31204
Has elevated privileges:	true
Has administrator privileges:	true
Programmed in:	Visual Basic
Yara matches:	Rule: JoeSecurity_GuLoader, Description: Yara detected GuLoader, Source: 00000001.00000002.1163761913.0000000000540000.00000040.00000001.sdmp, Author: Joe Security
Reputation:	low

Disassembly

Code Analysis

Reset < >

Description:	Adversaries may inject code into processes in order to evade process-based defenses as well as possibly elevate privileges. Process injection is a method of executing arbitrary code in the address space of a separate live process. Running code in the context of another process may allow access to the process's memory, system/network resources, and possibly elevated privileges. Execution via process injection may also evade detection from security products since the execution is masked under a legitimate process.
Tactics:	Defense Evasion, Privilege Escalation
Data Sources:	API monitoring, DLL monitoring, File monitoring, Named Pipes, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may employ various means to detect and avoid virtualization and analysis environments. This may include changing behaviors based on the results of checks for the presence of artifacts indicative of a virtual machine environment (VME) or sandbox. If the adversary detects a VME, they may alter their malware to disengage from the victim or conceal the core functions of the implant. They may also search for VME artifacts before dropping secondary or additional payloads. Adversaries may use the information learned from [Virtualization/Sandbox Evasion](https://attack.mitre.org/techniques/T1497) during automated discovery to shape follow-on behaviors.
Tactics:	Defense Evasion, Discovery
Data Sources:	Process command-line parameters, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may use Obfuscated Files or Information to hide artifacts of an intrusion from analysis. They may require separate mechanisms to decode or deobfuscate that information depending on how they intend to use it. Methods for doing that include built-in functionality of malware or by using utilities present on the system.
Tactics:	Defense Evasion
Data Sources:	File monitoring, Process command-line parameters, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to make an executable or file difficult to discover or analyze by encrypting, encoding, or otherwise obfuscating its contents on the system or in transit. This is common behavior that can be used across different platforms and the network to evade defenses.
Tactics:	Defense Evasion
Data Sources:	Binary file metadata, Email gateway, Environment variable, File monitoring, Malware reverse engineering, Network intrusion detection system, Network protocol analysis, Process command-line parameters, Process monitoring, Process use of network, SSL/TLS inspection, Windows event logs
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may use methods of capturing user input to obtain credentials or collect information. During normal system usage, users often provide credentials to various different locations, such as login pages/portals or system dialog boxes. Input capture mechanisms may be transparent to the user (e.g. Credential API Hooking ) or rely on deceiving the user into providing input into what they believe to be a genuine service (e.g. Web Portal Capture ).
Tactics:	Collection, Credential Access
Data Sources:	API monitoring, Binary file metadata, DLL monitoring, Kernel drivers, Loaded DLLs, PowerShell logs, Process command-line parameters, Process monitoring, User interface, Windows Registry, Windows event logs
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to get a listing of security software, configurations, defensive tools, and sensors that are installed on a system or in a cloud environment. This may include things such as firewall rules and anti-virus. Adversaries may use the information from Security Software Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	AWS CloudTrail logs, Azure activity logs, File monitoring, Process command-line parameters, Process monitoring, Stackdriver logs
Platforms:	AWS, Azure, Azure AD, GCP, Linux, macOS, Office 365, SaaS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to get information about running processes on a system. Information obtained could be used to gain an understanding of common software/applications running on systems within the network. Adversaries may use the information from Process Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	API monitoring, Process command-line parameters, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	An adversary may attempt to get detailed information about the operating system and hardware, including version, patches, hotfixes, service packs, and architecture. Adversaries may use the information from System Information Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	AWS CloudTrail logs, Azure activity logs, Process command-line parameters, Process monitoring, Stackdriver logs
Platforms:	AWS, Azure, GCP, Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may communicate using application layer protocols to avoid detection/network filtering by blending in with existing traffic. Commands to the remote system, and often the results of those commands, will be embedded within the protocol traffic between the client and server.
Tactics:	Command and Control
Data Sources:	DNS records, Netflow/Enclave netflow, Network protocol analysis, Packet capture, Process monitoring, Process use of network
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

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Warning!

Analysis Report samtidshistoriker.exe

Overview

General Information

Detection

Signatures

Classification

Startup

Malware Configuration

Threatname: GuLoader

Yara Overview

Memory Dumps

Sigma Overview

Signature Overview

AV Detection:

Compliance:

Networking:

Key, Mouse, Clipboard, Microphone and Screen Capturing:

System Summary:

Data Obfuscation:

Hooking and other Techniques for Hiding and Protection:

Malware Analysis System Evasion:

Anti Debugging:

HIPS / PFW / Operating System Protection Evasion:

Mitre Att&ck Matrix

Behavior Graph

Screenshots

Thumbnails

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Dropped Files

Unpacked PE Files

Domains

URLs

Domains and IPs

Contacted Domains

Contacted IPs

General Information

Simulations

Behavior and APIs

Joe Sandbox View / Context

IPs

Domains

ASN

JA3 Fingerprints

Dropped Files

Created / dropped Files

Static File Info

General

File Icon

Static PE Info

General

Entrypoint Preview

Data Directories

Sections

Resources

Imports

Version Infos

Possible Origin

Network Behavior

Code Manipulations

Statistics

System Behavior

Analysis Process: samtidshistoriker.exe PID: 7080 Parent PID: 5968

General

Disassembly

Code Analysis