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Windows Analysis Report Dokument VAT I - 85926 09 2021 MAG-8.exe

Overview

General Information

Sample Name:Dokument VAT I - 85926 09 2021 MAG-8.exe
Analysis ID:491309
MD5:0a2f51e6d3650f115c1b5484afbdf3a7
SHA1:6283d55e065802036f0e5da958bfd458a7999c09
SHA256:e49ff3e9ecbbe320e8cd29470d13b72643674b66e75ab5a824dda36eef6bf05e
Tags:exe
Infos:

Most interesting Screenshot:

Detection

GuLoader
Score:76
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected GuLoader
Tries to detect virtualization through RDTSC time measurements
C2 URLs / IPs found in malware configuration
Found potential dummy code loops (likely to delay analysis)
Creates a DirectInput object (often for capturing keystrokes)
Uses 32bit PE files
Sample file is different than original file name gathered from version info
PE file contains strange resources
Contains functionality to read the PEB
Uses code obfuscation techniques (call, push, ret)
Detected potential crypto function
Contains functionality to call native functions
Program does not show much activity (idle)
Contains functionality for execution timing, often used to detect debuggers
Abnormal high CPU Usage

Classification

Process Tree

  • System is w10x64
  • cleanup

Malware Configuration

Threatname: GuLoader

{"Payload URL": "https://drive.google.com/uc?export=download&id=1nGJi"}

Yara Overview

Memory Dumps

SourceRuleDescriptionAuthorStrings
00000001.00000002.815595666.00000000021E0000.00000040.00000001.sdmpJoeSecurity_GuLoader_2Yara detected GuLoaderJoe Security

    Sigma Overview

    No Sigma rule has matched

    Jbx Signature Overview

    Click to jump to signature section

    Show All Signature Results

    AV Detection:

    barindex
    Found malware configurationShow sources
    Source: 00000001.00000002.815595666.00000000021E0000.00000040.00000001.sdmpMalware Configuration Extractor: GuLoader {"Payload URL": "https://drive.google.com/uc?export=download&id=1nGJi"}
    Multi AV Scanner detection for submitted fileShow sources
    Source: Dokument VAT I - 85926 09 2021 MAG-8.exeVirustotal: Detection: 20%Perma Link
    Source: Dokument VAT I - 85926 09 2021 MAG-8.exeStatic PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED

    Networking:

    barindex
    C2 URLs / IPs found in malware configurationShow sources
    Source: Malware configuration extractorURLs: https://drive.google.com/uc?export=download&id=1nGJi
    Source: Dokument VAT I - 85926 09 2021 MAG-8.exe, 00000001.00000002.810461563.00000000006FA000.00000004.00000020.sdmpBinary or memory string: <HOOK MODULE="DDRAW.DLL" FUNCTION="DirectDrawCreateEx"/>
    Source: Dokument VAT I - 85926 09 2021 MAG-8.exeStatic PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
    Source: Dokument VAT I - 85926 09 2021 MAG-8.exe, 00000001.00000000.284587684.0000000000415000.00000002.00020000.sdmpBinary or memory string: OriginalFilenameAfblomstrings8.exe vs Dokument VAT I - 85926 09 2021 MAG-8.exe
    Source: Dokument VAT I - 85926 09 2021 MAG-8.exeBinary or memory string: OriginalFilenameAfblomstrings8.exe vs Dokument VAT I - 85926 09 2021 MAG-8.exe
    Source: Dokument VAT I - 85926 09 2021 MAG-8.exeStatic PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E7466
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021EB95B
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E5E19
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E9416
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E6014
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E720B
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E503A
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E5838
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E9638
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E564E
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021EA464
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E7488
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E5ABA
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E5ED2
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E54EB
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E5511
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021EA92B
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E595E
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E5776
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E6166
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E59B1
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E53AC
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E59A6
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E5BCA
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E7466 NtAllocateVirtualMemory,
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E7488 NtAllocateVirtualMemory,
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeProcess Stats: CPU usage > 98%
    Source: Dokument VAT I - 85926 09 2021 MAG-8.exeVirustotal: Detection: 20%
    Source: Dokument VAT I - 85926 09 2021 MAG-8.exeStatic PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeKey opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeSection loaded: C:\Windows\SysWOW64\msvbvm60.dll
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeFile created: C:\Users\user\AppData\Local\Temp\~DFBDA2D233B6FDE700.TMPJump to behavior
    Source: classification engineClassification label: mal76.troj.evad.winEXE@1/0@0/0

    Data Obfuscation:

    barindex
    Yara detected GuLoaderShow sources
    Source: Yara matchFile source: 00000001.00000002.815595666.00000000021E0000.00000040.00000001.sdmp, type: MEMORY
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_00403E4C push esp; iretd
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_00404E5C push esp; ret
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_00405029 push FFFFFFFBh; ret
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_0040769A push ebp; ret
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_004040B4 push esp; ret
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_00403F77 push esp; ret
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_00407304 push esp; ret
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_0040713E push esp; ret
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_004071F5 push esp; ret
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_00408789 push esp; ret
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_00407D93 push esp; ret
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E3EF5 pushad ; retf
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E413D push edx; iretd
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E4552 push ecx; ret
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E858D push esi; ret
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E73B9 push edi; iretd
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E3BB7 push edx; ret
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E73CF pushad ; ret
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E73E2 push edi; iretd
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeProcess information set: NOOPENFILEERRORBOX
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeProcess information set: NOOPENFILEERRORBOX
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeProcess information set: NOOPENFILEERRORBOX
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeProcess information set: NOOPENFILEERRORBOX
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeProcess information set: NOOPENFILEERRORBOX

    Malware Analysis System Evasion:

    barindex
    Tries to detect virtualization through RDTSC time measurementsShow sources
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeRDTSC instruction interceptor: First address: 000000000040E86D second address: 000000000040E86D instructions: 0x00000000 rdtsc 0x00000002 wait 0x00000003 nop 0x00000004 popad 0x00000005 mfence 0x00000008 mfence 0x0000000b dec edi 0x0000000c cmp eax, 63h 0x0000000f cmp eax, 04h 0x00000012 cmp edi, 00000000h 0x00000015 jne 00007F28FCD8F3C0h 0x00000017 cmp ecx, 06h 0x0000001a mfence 0x0000001d pushad 0x0000001e pushfd 0x0000001f popfd 0x00000020 pushfd 0x00000021 popfd 0x00000022 rdtsc
    Source: all processesThread injection, dropped files, key value created, disk infection and DNS query: no activity detected
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E70A2 rdtsc

    Anti Debugging:

    barindex
    Found potential dummy code loops (likely to delay analysis)Show sources
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeProcess Stats: CPU usage > 90% for more than 60s
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E9C00 mov eax, dword ptr fs:[00000030h]
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E9624 mov eax, dword ptr fs:[00000030h]
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021EA92B mov eax, dword ptr fs:[00000030h]
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E6BA5 mov eax, dword ptr fs:[00000030h]
    Source: all processesThread injection, dropped files, key value created, disk infection and DNS query: no activity detected
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021E70A2 rdtsc
    Source: C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exeCode function: 1_2_021EB95B RtlAddVectoredExceptionHandler,
    Source: Dokument VAT I - 85926 09 2021 MAG-8.exe, 00000001.00000002.815103622.0000000000D80000.00000002.00020000.sdmpBinary or memory string: Program Manager
    Source: Dokument VAT I - 85926 09 2021 MAG-8.exe, 00000001.00000002.815103622.0000000000D80000.00000002.00020000.sdmpBinary or memory string: Shell_TrayWnd
    Source: Dokument VAT I - 85926 09 2021 MAG-8.exe, 00000001.00000002.815103622.0000000000D80000.00000002.00020000.sdmpBinary or memory string: Progman
    Source: Dokument VAT I - 85926 09 2021 MAG-8.exe, 00000001.00000002.815103622.0000000000D80000.00000002.00020000.sdmpBinary or memory string: Progmanlock

    Mitre Att&ck Matrix

    Initial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionExfiltrationCommand and ControlNetwork EffectsRemote Service EffectsImpact
    Valid AccountsWindows Management InstrumentationPath InterceptionProcess Injection1Virtualization/Sandbox Evasion11Input Capture1Security Software Discovery21Remote ServicesInput Capture1Exfiltration Over Other Network MediumEncrypted Channel1Eavesdrop on Insecure Network CommunicationRemotely Track Device Without AuthorizationModify System Partition
    Default AccountsScheduled Task/JobBoot or Logon Initialization ScriptsBoot or Logon Initialization ScriptsProcess Injection1LSASS MemoryVirtualization/Sandbox Evasion11Remote Desktop ProtocolArchive Collected Data1Exfiltration Over BluetoothApplication Layer Protocol1Exploit SS7 to Redirect Phone Calls/SMSRemotely Wipe Data Without AuthorizationDevice Lockout
    Domain AccountsAt (Linux)Logon Script (Windows)Logon Script (Windows)Obfuscated Files or Information1Security Account ManagerProcess Discovery1SMB/Windows Admin SharesData from Network Shared DriveAutomated ExfiltrationSteganographyExploit SS7 to Track Device LocationObtain Device Cloud BackupsDelete Device Data
    Local AccountsAt (Windows)Logon Script (Mac)Logon Script (Mac)Binary PaddingNTDSSystem Information Discovery11Distributed Component Object ModelInput CaptureScheduled TransferProtocol ImpersonationSIM Card SwapCarrier 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.

    windows-stand

    Antivirus, Machine Learning and Genetic Malware Detection

    Initial Sample

    SourceDetectionScannerLabelLink
    Dokument VAT I - 85926 09 2021 MAG-8.exe21%VirustotalBrowse

    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:33.0.0 White Diamond
    Analysis ID:491309
    Start date:27.09.2021
    Start time:13:06:56
    Joe Sandbox Product:CloudBasic
    Overall analysis duration:0h 7m 43s
    Hypervisor based Inspection enabled:false
    Report type:light
    Sample file name:Dokument VAT I - 85926 09 2021 MAG-8.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:24
    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:mal76.troj.evad.winEXE@1/0@0/0
    EGA Information:Failed
    HDC Information:
    • Successful, ratio: 29.8% (good quality ratio 19.2%)
    • Quality average: 35.3%
    • Quality standard deviation: 33.4%
    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
    • Exclude process from analysis (whitelisted): MpCmdRun.exe, audiodg.exe, BackgroundTransferHost.exe, HxTsr.exe, RuntimeBroker.exe, WMIADAP.exe, backgroundTaskHost.exe, conhost.exe, svchost.exe, wuapihost.exe
    • Excluded IPs from analysis (whitelisted): 23.54.113.53, 20.82.210.154, 209.197.3.8, 23.0.174.200, 23.0.174.185, 20.199.120.182, 20.54.110.249, 40.112.88.60, 23.10.249.26, 23.10.249.43, 20.82.209.183, 20.199.120.151
    • Excluded domains from analysis (whitelisted): client.wns.windows.com, iris-de-prod-azsc-neu.northeurope.cloudapp.azure.com, displaycatalog-rp-europe.md.mp.microsoft.com.akadns.net, wu-shim.trafficmanager.net, neu-displaycatalogrp.frontdoor.bigcatalog.commerce.microsoft.com, ris-prod.trafficmanager.net, asf-ris-prod-neu.northeurope.cloudapp.azure.com, store-images.s-microsoft.com-c.edgekey.net, ctldl.windowsupdate.com, iris-de-prod-azsc-neu-b.northeurope.cloudapp.azure.com, cds.d2s7q6s2.hwcdn.net, a767.dspw65.akamai.net, a1449.dscg2.akamai.net, arc.msn.com, download.windowsupdate.com.edgesuite.net, ris.api.iris.microsoft.com, e12564.dspb.akamaiedge.net, wns.notify.trafficmanager.net, consumer-displaycatalogrp-aks2aks-europe.md.mp.microsoft.com.akadns.net, store-images.s-microsoft.com, arc.trafficmanager.net, displaycatalog.mp.microsoft.com, img-prod-cms-rt-microsoft-com.akamaized.net, displaycatalog-rp.md.mp.microsoft.com.akadns.net
    • Not all processes where analyzed, report is missing behavior information

    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):5.702812730672399
    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:Dokument VAT I - 85926 09 2021 MAG-8.exe
    File size:90112
    MD5:0a2f51e6d3650f115c1b5484afbdf3a7
    SHA1:6283d55e065802036f0e5da958bfd458a7999c09
    SHA256:e49ff3e9ecbbe320e8cd29470d13b72643674b66e75ab5a824dda36eef6bf05e
    SHA512:4dbbba19dd4965cff3e7c9406dc37ce105beccab3cfd466eda57a734a15d3f7786b7a651f36df41a673ec53263d540de3a5aa8065a7a3e561b2d289828cf4ce7
    SSDEEP:1536:tDaUkPdjVa7kUSYdtAXrLHDLMAuP7I8ddUPrjr:t+TPdBaQUSB/3lm7oPrH
    File Content Preview:MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$........i.......................*..............Rich....................PE..L.....nR.................0... ...............@....@........

    File Icon

    Icon Hash:821ca88c8e8c8c00

    Static PE Info

    General

    Entrypoint:0x4012c8
    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:0x526E8EE7 [Mon Oct 28 16:20:55 2013 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:e73b8c032c82c64991ebe487a7ffcd43

    Entrypoint Preview

    Instruction
    push 0040FB88h
    call 00007F28FCD303A3h
    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
    cmp byte ptr [eax], al
    add byte ptr [eax], al
    add byte ptr [eax], al
    add byte ptr [eax], al
    mov dword ptr [eax+317578DEh], 148B495Bh
    dec ecx
    push AC2C4F17h
    add byte ptr [eax], al
    add byte ptr [eax], al
    add byte ptr [eax], al
    add dword ptr [eax], eax
    add byte ptr [eax], al
    and byte ptr [eax], ah
    and byte ptr [eax], ah
    and byte ptr [eax], ah
    push esp
    pop ecx
    push esi
    inc ebp
    push ebx
    add byte ptr [eax], ah
    and byte ptr [eax], al
    add byte ptr [eax], al
    add bh, bh
    int3
    xor dword ptr [eax], eax
    cmp ch, cl
    push edx
    push esp
    xchg eax, ecx
    imul edx, dword ptr [esi+59A54D37h], 08511FC4h
    xchg byte ptr [eax-51h], dh
    mov dx, ss
    inc ebx
    scasd
    or dword ptr [esi-1F926ABFh], eax
    pop eax
    clc
    lodsd
    sub edx, dword ptr [eax+33AD4F3Ah]
    cdq
    iretw
    adc dword ptr [edi+00AA000Ch], esi
    pushad
    rcl dword ptr [ebx+00000000h], cl
    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 ds
    out 00h, al
    add byte ptr [eax+00000001h], dl
    or dword ptr [eax], eax
    push ebx
    jne 00007F28FCD30414h
    jnc 00007F28FCD30426h
    jc 00007F28FCD30413h
    je 00007F28FCD30417h
    add byte ptr [4D000701h], cl
    imul esp, dword ptr fs:[ecx+ebp*2+69h], 00011900h
    inc edx
    add byte ptr [edx], ah

    Data Directories

    NameVirtual AddressVirtual Size Is in Section
    IMAGE_DIRECTORY_ENTRY_EXPORT0x00x0
    IMAGE_DIRECTORY_ENTRY_IMPORT0x132840x28.text
    IMAGE_DIRECTORY_ENTRY_RESOURCE0x150000x560.rsrc
    IMAGE_DIRECTORY_ENTRY_EXCEPTION0x00x0
    IMAGE_DIRECTORY_ENTRY_SECURITY0x00x0
    IMAGE_DIRECTORY_ENTRY_BASERELOC0x00x0
    IMAGE_DIRECTORY_ENTRY_DEBUG0x00x0
    IMAGE_DIRECTORY_ENTRY_COPYRIGHT0x00x0
    IMAGE_DIRECTORY_ENTRY_GLOBALPTR0x00x0
    IMAGE_DIRECTORY_ENTRY_TLS0x00x0
    IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG0x00x0
    IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT0x2300x20
    IMAGE_DIRECTORY_ENTRY_IAT0x10000xe8.text
    IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT0x00x0
    IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR0x00x0
    IMAGE_DIRECTORY_ENTRY_RESERVED0x00x0

    Sections

    NameVirtual AddressVirtual SizeRaw SizeXored PEZLIB ComplexityFile TypeEntropyCharacteristics
    .text0x10000x126ec0x13000False0.513324938322data6.19701564833IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
    .data0x140000xcf40x1000False0.00634765625data0.0IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ
    .rsrc0x150000x5600x1000False0.13232421875data1.43718241534IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ

    Resources

    NameRVASizeTypeLanguageCountry
    RT_ICON0x154380x128GLS_BINARY_LSB_FIRST
    RT_GROUP_ICON0x154240x14data
    RT_VERSION0x150f00x334dataChineseTaiwan

    Imports

    DLLImport
    MSVBVM60.DLL_CIcos, _adj_fptan, __vbaFreeVar, __vbaStrVarMove, __vbaFreeVarList, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaSetSystemError, __vbaHresultCheckObj, _adj_fdiv_m32, __vbaAryDestruct, __vbaObjSet, _adj_fdiv_m16i, __vbaObjSetAddref, _adj_fdivr_m16i, __vbaFpR8, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, __vbaGenerateBoundsError, __vbaAryConstruct2, __vbaObjVar, DllFunctionCall, _adj_fpatan, EVENT_SINK_Release, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, _CIlog, __vbaNew2, __vbaInStr, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaStrCopy, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarTstNe, __vbaStrToAnsi, __vbaFpI4, __vbaLateMemCallLd, _CIatan, __vbaStrMove, _allmul, _CItan, _CIexp, __vbaFreeStr, __vbaFreeObj

    Version Infos

    DescriptionData
    Translation0x0404 0x04b0
    LegalCopyrightChatSwipe
    InternalNameAfblomstrings8
    FileVersion4.04.0001
    CompanyNameChatSwipe
    LegalTrademarksChatSwipe
    CommentsChatSwipe
    ProductNameChatSwipe
    ProductVersion4.04.0001
    FileDescriptionChatSwipe
    OriginalFilenameAfblomstrings8.exe

    Possible Origin

    Language of compilation systemCountry where language is spokenMap
    ChineseTaiwan

    Network Behavior

    Network Port Distribution

    UDP Packets

    TimestampSource PortDest PortSource IPDest IP
    Sep 27, 2021 13:07:46.603626013 CEST5280653192.168.2.38.8.8.8
    Sep 27, 2021 13:07:46.621571064 CEST53528068.8.8.8192.168.2.3
    Sep 27, 2021 13:08:14.569097996 CEST5391053192.168.2.38.8.8.8
    Sep 27, 2021 13:08:14.586172104 CEST53539108.8.8.8192.168.2.3
    Sep 27, 2021 13:08:38.226521015 CEST6402153192.168.2.38.8.8.8
    Sep 27, 2021 13:08:38.241969109 CEST53640218.8.8.8192.168.2.3
    Sep 27, 2021 13:08:40.499269009 CEST6078453192.168.2.38.8.8.8
    Sep 27, 2021 13:08:40.512183905 CEST53607848.8.8.8192.168.2.3
    Sep 27, 2021 13:08:40.618129015 CEST5114353192.168.2.38.8.8.8
    Sep 27, 2021 13:08:40.635986090 CEST53511438.8.8.8192.168.2.3
    Sep 27, 2021 13:08:41.832432032 CEST5600953192.168.2.38.8.8.8
    Sep 27, 2021 13:08:41.848898888 CEST53560098.8.8.8192.168.2.3
    Sep 27, 2021 13:08:43.559161901 CEST5902653192.168.2.38.8.8.8
    Sep 27, 2021 13:08:43.652122021 CEST53590268.8.8.8192.168.2.3
    Sep 27, 2021 13:08:46.409320116 CEST4957253192.168.2.38.8.8.8
    Sep 27, 2021 13:08:46.423351049 CEST53495728.8.8.8192.168.2.3
    Sep 27, 2021 13:08:47.909018993 CEST6082353192.168.2.38.8.8.8
    Sep 27, 2021 13:08:47.985160112 CEST53608238.8.8.8192.168.2.3
    Sep 27, 2021 13:08:48.628412008 CEST5213053192.168.2.38.8.8.8
    Sep 27, 2021 13:08:48.642467976 CEST53521308.8.8.8192.168.2.3
    Sep 27, 2021 13:08:48.947379112 CEST5510253192.168.2.38.8.8.8
    Sep 27, 2021 13:08:49.023267984 CEST53551028.8.8.8192.168.2.3
    Sep 27, 2021 13:08:49.477947950 CEST5623653192.168.2.38.8.8.8
    Sep 27, 2021 13:08:49.490888119 CEST53562368.8.8.8192.168.2.3
    Sep 27, 2021 13:08:50.250430107 CEST5652753192.168.2.38.8.8.8
    Sep 27, 2021 13:08:50.263678074 CEST53565278.8.8.8192.168.2.3
    Sep 27, 2021 13:08:50.711786985 CEST4955953192.168.2.38.8.8.8
    Sep 27, 2021 13:08:50.724937916 CEST53495598.8.8.8192.168.2.3
    Sep 27, 2021 13:08:51.440062046 CEST5265053192.168.2.38.8.8.8
    Sep 27, 2021 13:08:51.453632116 CEST53526508.8.8.8192.168.2.3
    Sep 27, 2021 13:08:52.588150024 CEST6329753192.168.2.38.8.8.8
    Sep 27, 2021 13:08:52.601178885 CEST53632978.8.8.8192.168.2.3
    Sep 27, 2021 13:08:53.093781948 CEST5836153192.168.2.38.8.8.8
    Sep 27, 2021 13:08:53.107337952 CEST53583618.8.8.8192.168.2.3
    Sep 27, 2021 13:08:54.312901020 CEST5361553192.168.2.38.8.8.8
    Sep 27, 2021 13:08:54.346354961 CEST53536158.8.8.8192.168.2.3
    Sep 27, 2021 13:08:57.912180901 CEST5072853192.168.2.38.8.8.8
    Sep 27, 2021 13:08:57.933063030 CEST53507288.8.8.8192.168.2.3
    Sep 27, 2021 13:08:59.374279022 CEST5377753192.168.2.38.8.8.8
    Sep 27, 2021 13:08:59.389029980 CEST53537778.8.8.8192.168.2.3
    Sep 27, 2021 13:09:11.968785048 CEST5710653192.168.2.38.8.8.8
    Sep 27, 2021 13:09:11.981436968 CEST53571068.8.8.8192.168.2.3
    Sep 27, 2021 13:09:27.808500051 CEST6035253192.168.2.38.8.8.8
    Sep 27, 2021 13:09:27.824656963 CEST53603528.8.8.8192.168.2.3
    Sep 27, 2021 13:09:30.097163916 CEST5677353192.168.2.38.8.8.8
    Sep 27, 2021 13:09:30.105099916 CEST6098253192.168.2.38.8.8.8
    Sep 27, 2021 13:09:30.126770973 CEST53567738.8.8.8192.168.2.3
    Sep 27, 2021 13:09:30.139372110 CEST53609828.8.8.8192.168.2.3
    Sep 27, 2021 13:09:44.090898037 CEST5805853192.168.2.38.8.8.8
    Sep 27, 2021 13:09:44.106362104 CEST53580588.8.8.8192.168.2.3
    Sep 27, 2021 13:09:52.808073044 CEST6436753192.168.2.38.8.8.8
    Sep 27, 2021 13:09:52.821793079 CEST53643678.8.8.8192.168.2.3
    Sep 27, 2021 13:10:22.069334984 CEST5153953192.168.2.38.8.8.8
    Sep 27, 2021 13:10:22.082083941 CEST53515398.8.8.8192.168.2.3
    Sep 27, 2021 13:10:26.310173035 CEST5539353192.168.2.38.8.8.8
    Sep 27, 2021 13:10:26.323307991 CEST53553938.8.8.8192.168.2.3
    Sep 27, 2021 13:10:44.114243031 CEST5058553192.168.2.38.8.8.8
    Sep 27, 2021 13:10:44.147838116 CEST53505858.8.8.8192.168.2.3
    Sep 27, 2021 13:10:54.509507895 CEST6345653192.168.2.38.8.8.8
    Sep 27, 2021 13:10:54.522897005 CEST53634568.8.8.8192.168.2.3
    Sep 27, 2021 13:11:42.798686981 CEST5854053192.168.2.38.8.8.8
    Sep 27, 2021 13:11:42.826050043 CEST53585408.8.8.8192.168.2.3

    Code Manipulations

    Statistics

    System Behavior

    General

    Start time:13:07:50
    Start date:27/09/2021
    Path:C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exe
    Wow64 process (32bit):true
    Commandline:'C:\Users\user\Desktop\Dokument VAT I - 85926 09 2021 MAG-8.exe'
    Imagebase:0x400000
    File size:90112 bytes
    MD5 hash:0A2F51E6D3650F115C1B5484AFBDF3A7
    Has elevated privileges:true
    Has administrator privileges:true
    Programmed in:Visual Basic
    Yara matches:
    • Rule: JoeSecurity_GuLoader_2, Description: Yara detected GuLoader, Source: 00000001.00000002.815595666.00000000021E0000.00000040.00000001.sdmp, Author: Joe Security
    Reputation:low

    Disassembly

    Code Analysis

    Reset < >