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Analysis Report transferencia

Overview

General Information

Sample Name:	transferencia (renamed file extension from none to exe)
Analysis ID:	395283
MD5:	718116c2cc15e564db71b3bda3f966e5
SHA1:	d14a54807e58e625dc18c6210c08bc553e474d41
SHA256:	573a35a2e7644c067c6ce60c344fbe291be24d85e6cecbee256a37e1219f7a83
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

Found potential dummy code loops (likely to delay analysis)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to detect virtualization through RDTSC time measurements

Yara detected VB6 Downloader Generic

Abnormal high CPU Usage

Contains functionality for execution timing, often used to detect debuggers

Contains functionality to call native functions

Contains functionality to query CPU information (cpuid)

Contains functionality to read the PEB

Detected potential crypto function

Found large amount of non-executed APIs

Program does not show much activity (idle)

Queries the volume information (name, serial number etc) of a device

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

transferencia.exe (PID: 6424 cmdline: 'C:\Users\user\Desktop\transferencia.exe' MD5: 718116C2CC15E564DB71B3BDA3F966E5)

cleanup

Malware Configuration

Threatname: GuLoader

{"Payload URL": "https://drive.google.com/uc?export=download&id=1UJvRluFmYD39H3TjOMIaVwZTdLhauoPu", "Injection Process": ["RegAsm.exe", "RegSvcs.exe", "MSBuild.exe"]}

Yara Overview

Memory Dumps

Source	Rule	Description	Author
00000000.00000002.852343064.0000000002300000.00000040.00000001.sdmp	JoeSecurity_GuLoader	Yara detected GuLoader	Joe Security
Process Memory Space: transferencia.exe PID: 6424	JoeSecurity_VB6DownloaderGeneric	Yara detected VB6 Downloader Generic	Joe Security
Process Memory Space: transferencia.exe PID: 6424	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: 00000000.00000002.852343064.0000000002300000.00000040.00000001.sdmp

Malware Configuration Extractor: GuLoader {"Payload URL": "https://drive.google.com/uc?export=download&id=1UJvRluFmYD39H3TjOMIaVwZTdLhauoPu", "Injection Process": ["RegAsm.exe", "RegSvcs.exe", "MSBuild.exe"]}

Multi AV Scanner detection for submitted file

Show sources

Source: transferencia.exe	Virustotal: Detection: 46%			Perma Link
Source: transferencia.exe	ReversingLabs: Detection: 34%

Source: transferencia.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=1UJvRluFmYD39H3TjOMIaVwZTdLhauoPu

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

Process Stats: CPU usage > 98%

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

Code function: 0_2_023051D1 NtProtectVirtualMemory,

Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D8D
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00404A43
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00404646
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00404847
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00404233
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_0040443C
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_004046C1
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_004044C5
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_004048D1
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_004040BF
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_0040474A
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_0040454B
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00404139
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_0040433B
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_004049C9
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_004045CD
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_004047D0
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_004041B5
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_004043B6

Source: transferencia.exe, 00000000.00000000.329335806.0000000000413000.00000002.00020000.sdmp	Binary or memory string: OriginalFilenameWoodburyt.exe vs transferencia.exe
Source: transferencia.exe	Binary or memory string: OriginalFilenameWoodburyt.exe vs transferencia.exe

Source: transferencia.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\transferencia.exe

File created: C:\Users\user\AppData\Local\Temp\~DF5CA7D5DF6D4DEBEB.TMP

Jump to behavior

Source: transferencia.exe

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

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

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

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

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

Source: transferencia.exe	Virustotal: Detection: 46%
Source: transferencia.exe	ReversingLabs: Detection: 34%

Data Obfuscation:

Yara detected GuLoader

Show sources

Source: Yara match	File source: 00000000.00000002.852343064.0000000002300000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: transferencia.exe PID: 6424, type: MEMORY

Yara detected VB6 Downloader Generic

Show sources

Source: Yara match

File source: Process Memory Space: transferencia.exe PID: 6424, type: MEMORY

Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_0040EE14 push dword ptr [ebp-08h]; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00409A3C push esi; iretd
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00409CD7 push ecx; iretd
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403CEE push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00409C9C push ecx; iretd
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D42 push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D45 push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D48 push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D4B push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D4E push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D51 push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D54 push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D57 push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D5A push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D5D push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D60 push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D63 push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D66 push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D69 push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D6C push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D6F push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D72 push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D75 push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D78 push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D7B push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D7E push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_0040590E push eax; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D39 push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D3C push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D3F push ebp; ret
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00408BE3 push ecx; iretd

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

Malware Analysis System Evasion:

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Show sources

Source: transferencia.exe, 00000000.00000002.852343064.0000000002300000.00000040.00000001.sdmp

Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE

Tries to detect virtualization through RDTSC time measurements

Show sources

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

RDTSC instruction interceptor: First address: 00000000023025D2 second address: 00000000023025D2 instructions: 0x00000000 rdtsc 0x00000002 xor eax, eax 0x00000004 inc eax 0x00000005 cpuid 0x00000007 popad 0x00000008 call 00007FED9C71556Bh 0x0000000d lfence 0x00000010 mov edx, dword ptr [7FFE0014h] 0x00000016 lfence 0x00000019 ret 0x0000001a sub edx, esi 0x0000001c ret 0x0000001d pop ecx 0x0000001e add edi, edx 0x00000020 dec ecx 0x00000021 cmp ecx, 00000000h 0x00000024 jne 00007FED9C715551h 0x00000026 cmp dl, bl 0x00000028 push ecx 0x00000029 call 00007FED9C71561Fh 0x0000002e call 00007FED9C71557Bh 0x00000033 lfence 0x00000036 mov edx, dword ptr [7FFE0014h] 0x0000003c lfence 0x0000003f ret 0x00000040 mov esi, edx 0x00000042 pushad 0x00000043 rdtsc

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

Code function: 0_2_02301057 rdtsc

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

API coverage: 8.9 %

Source: all processes

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

Source: transferencia.exe, 00000000.00000002.852343064.0000000002300000.00000040.00000001.sdmp

Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe

Anti Debugging:

Found potential dummy code loops (likely to delay analysis)

Show sources

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

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

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

Code function: 0_2_02301057 rdtsc

Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00403D8D mov ebx, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00404233 mov ebx, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_004040BF mov ebx, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_00404139 mov ebx, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_004041B5 mov ebx, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_02301808 mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_02301609 mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_02304474 mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_02304078 mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_0230245C mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_0230115F mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\transferencia.exe	Code function: 0_2_023049B4 mov eax, dword ptr fs:[00000030h]

Source: all processes

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

Source: transferencia.exe, 00000000.00000002.851970814.0000000000C70000.00000002.00000001.sdmp	Binary or memory string: Shell_TrayWnd
Source: transferencia.exe, 00000000.00000002.851970814.0000000000C70000.00000002.00000001.sdmp	Binary or memory string: Progman
Source: transferencia.exe, 00000000.00000002.851970814.0000000000C70000.00000002.00000001.sdmp	Binary or memory string: &Program Manager
Source: transferencia.exe, 00000000.00000002.851970814.0000000000C70000.00000002.00000001.sdmp	Binary or memory string: Progmanlock

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

Code function: 0_2_0230435E cpuid

Source: C:\Users\user\Desktop\transferencia.exe	Queries volume information: C:\ VolumeInformation
Source: C:\Users\user\Desktop\transferencia.exe	Queries volume information: C:\ VolumeInformation
Source: C:\Users\user\Desktop\transferencia.exe	Queries volume information: C:\ VolumeInformation

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	OS Credential Dumping	Security Software Discovery311	Remote Services	Archive Collected Data1	Exfiltration Over Other Network Medium	Encrypted Channel1	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	Application Layer Protocol1	Exploit SS7 to Redirect Phone Calls/SMS	Remotely Wipe Data Without Authorization	Device Lockout
Domain Accounts	At (Linux)	Logon Script (Windows)	Logon Script (Windows)	Obfuscated 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)	Binary Padding	NTDS	System Information Discovery121	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
transferencia.exe	46%	Virustotal		Browse
transferencia.exe	34%	ReversingLabs	Win32.Trojan.Vebzenpak

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:	395283
Start date:	22.04.2021
Start time:	11:36:59
Joe Sandbox Product:	CloudBasic
Overall analysis duration:	0h 7m 38s
Hypervisor based Inspection enabled:	false
Report type:	light
Sample file name:	transferencia (renamed file extension from none to 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:	21
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: 28.9% (good quality ratio 12.1%) Quality average: 27.7% Quality standard deviation: 36.2%
HCA Information:	Failed
Cookbook Comments:	Adjust boot time Enable AMSI Override analysis time to 240s for sample files taking high CPU consumption
Warnings:	Show All Exclude process from analysis (whitelisted): MpCmdRun.exe, audiodg.exe, BackgroundTransferHost.exe, WMIADAP.exe, backgroundTaskHost.exe, conhost.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):	5.800047430460185
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:	transferencia.exe
File size:	86016
MD5:	718116c2cc15e564db71b3bda3f966e5
SHA1:	d14a54807e58e625dc18c6210c08bc553e474d41
SHA256:	573a35a2e7644c067c6ce60c344fbe291be24d85e6cecbee256a37e1219f7a83
SHA512:	84afb3f7d8e1ae4e8431fc755dfc1e434988f2fbfa8b2805715fa5467b9d8e7fae17f40fcd3e82d25bfe6bae8baa28676d3663926ca88536993c3da7b22541ee
SSDEEP:	1536:an2G5PW5XCqdsfBj5Sin0y/AODB80Hn2G5P:j5XCqK9r/AOx
File Content Preview:	MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......u...1...1...1.......0...~...0.......0...Rich1...........PE..L...e..K.....................0............... ....@................

File Icon


Icon Hash:	b370e4d6f0c44880

Static PE Info

General
Entrypoint:	0x4013ec
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:	0x4BC9A565 [Sat Apr 17 12:11:17 2010 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:	5d12f87c2526f1462e3e55521a60ec88

Entrypoint Preview

Instruction
push 0040C7A0h
call 00007FED9CA44425h
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], dl
out BAh, eax
inc edx
hlt
mov bh, 97h
inc esp
mov ah, F2h
mov dh, 3Bh
pop edi
inc edi
dec edx
test dword ptr [eax], 00000000h
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 [ebp+6Dh], al
bound ebp, dword ptr [ecx+74h]
je 00007FED9CA44497h
jc 00007FED9CA4449Bh
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 bh, bh
int3
xor dword ptr [eax], eax
and al, E5h
push edi
out dx, al
mov cl, dh
pop ebx
daa
inc esi
xchg dh, ch
cmpsd
pop eax
jns 00007FED9CA4445Eh
mov ch, 06h
cmp ah, byte ptr [ebx]
cmp ch, bl
test cl, ah
outsb
dec esi
mov byte ptr [FC9C23C8h], al
xor al, 3Ah
cmp cl, byte ptr [edi-53h]
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
pop eax
mov dl, 00h
add byte ptr [edx], cl
or eax, 09000000h
add byte ptr [ecx+78h], dl
imul ebp, dword ptr [ebx+72h], 00656C73h
or eax, 49000401h
popad
popad
add byte ptr [ecx], bl

Data Directories

Name	Virtual Address	Virtual Size	Is in Section
IMAGE_DIRECTORY_ENTRY_EXPORT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_IMPORT	0x118c4	0x28	.text
IMAGE_DIRECTORY_ENTRY_RESOURCE	0x13000	0x100c	.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	0x12c	.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	0x10de4	0x11000	False	0.37357823989	data	6.53865304618	IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
.data	0x12000	0xad0	0x1000	False	0.00634765625	data	0.0	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ
.rsrc	0x13000	0x100c	0x2000	False	0.205810546875	data	2.60682974307	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ

Resources

Name	RVA	Size	Type	Language	Country
RT_ICON	0x13364	0xca8	data
RT_GROUP_ICON	0x13350	0x14	data
RT_VERSION	0x130f0	0x260	data	English	United States

Imports

DLL

Import

MSVBVM60.DLL

_CIcos, _adj_fptan, __vbaFreeVar, __vbaLenBstr, __vbaStrVarMove, __vbaFreeVarList, __vbaEnd, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaSetSystemError, __vbaHresultCheckObj, _adj_fdiv_m32, __vbaAryDestruct, __vbaVarForInit, __vbaObjSet, _adj_fdiv_m16i, _adj_fdivr_m16i, __vbaFpR8, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, __vbaStrCmp, __vbaAryConstruct2, DllFunctionCall, _adj_fpatan, __vbaLateIdCallLd, EVENT_SINK_Release, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, _CIlog, __vbaNew2, __vbaInStr, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaStrCopy, __vbaI4Str, __vbaFreeStrList, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarTstNe, __vbaI4Var, __vbaLateMemCall, __vbaVarDup, __vbaStrComp, __vbaStrToAnsi, _CIatan, __vbaStrMove, _allmul, __vbaLateIdSt, _CItan, __vbaVarForNext, _CIexp, __vbaFreeStr, __vbaFreeObj

Version Infos

Description	Data
Translation	0x0409 0x04b0
InternalName	Woodburyt
FileVersion	3.00
CompanyName	Salty
Comments	Salty
ProductName	Salty
ProductVersion	3.00
FileDescription	Salty
OriginalFilename	Woodburyt.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: transferencia.exe PID: 6424 Parent PID: 5996

General

Start time:	11:37:50
Start date:	22/04/2021
Path:	C:\Users\user\Desktop\transferencia.exe
Wow64 process (32bit):	true
Commandline:	'C:\Users\user\Desktop\transferencia.exe'
Imagebase:	0x400000
File size:	86016 bytes
MD5 hash:	718116C2CC15E564DB71B3BDA3F966E5
Has elevated privileges:	true
Has administrator privileges:	true
Programmed in:	Visual Basic
Yara matches:	Rule: JoeSecurity_GuLoader, Description: Yara detected GuLoader, Source: 00000000.00000002.852343064.0000000002300000.00000040.00000001.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 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 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:	An adversary may compress and/or encrypt data that is collected prior to exfiltration. Compressing the data can help to obfuscate the collected data and minimize the amount of data sent over the network. Encryption can be used to hide information that is being exfiltrated from detection or make exfiltration less conspicuous upon inspection by a defender.
Tactics:	Collection
Data Sources:	Binary file metadata, File monitoring, Process command-line parameters, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may employ a known encryption algorithm to conceal command and control traffic rather than relying on any inherent protections provided by a communication protocol. Despite the use of a secure algorithm, these implementations may be vulnerable to reverse engineering if secret keys are encoded and/or generated within malware samples/configuration files.
Tactics:	Command and Control
Data Sources:	Malware reverse engineering, Netflow/Enclave netflow, Packet capture, Process monitoring, Process use of network, SSL/TLS inspection
Platforms:	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 transferencia

Overview

General Information

Detection

Signatures

Classification

Startup

Malware Configuration

Threatname: GuLoader

Yara Overview

Memory Dumps

Sigma Overview

Signature Overview

AV Detection:

Compliance:

Networking:

System Summary:

Data Obfuscation:

Hooking and other Techniques for Hiding and Protection:

Malware Analysis System Evasion:

Anti Debugging:

HIPS / PFW / Operating System Protection Evasion:

Language, Device and Operating System Detection:

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: transferencia.exe PID: 6424 Parent PID: 5996

General

Disassembly

Code Analysis