Analysis

  • max time kernel
    256s
  • max time network
    262s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05-05-2024 22:46

General

  • Target

    989b904faba9a34be744477ce7730e1c84515ba7114f955cc5bda329d5b2e4c8.exe

  • Size

    435KB

  • MD5

    90ebf993cfa5d02f1ec8ff15a171234f

  • SHA1

    98027332e2b56efbed5b95f2e13b078f295441b7

  • SHA256

    989b904faba9a34be744477ce7730e1c84515ba7114f955cc5bda329d5b2e4c8

  • SHA512

    e510010a0dd0623581fecace7437430d13b7179259832da9204401f7f27c75b1f9c29c9078b1fff6dc1c39e0cea085986fa291d0e01c004782846703cca231b5

  • SSDEEP

    6144:gnYDXuyMLH7A6nRXxOZfktYODo8+QpaAKOGP1OE98aeAfBw/6l:S42LH7LxOZf+LZrGPrq/6l

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • Detects Arechclient2 RAT 1 IoCs

    Arechclient2.

  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 18 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\989b904faba9a34be744477ce7730e1c84515ba7114f955cc5bda329d5b2e4c8.exe
    "C:\Users\Admin\AppData\Local\Temp\989b904faba9a34be744477ce7730e1c84515ba7114f955cc5bda329d5b2e4c8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Users\Admin\AppData\Local\Temp\u1n4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1n4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1064
    • C:\Users\Admin\AppData\Local\Temp\u1n4.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u1n4.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1464
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1244
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:672
    • C:\Users\Admin\AppData\Local\Temp\u1n4.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u1n4.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\049b7335d372bd07248452d0b58e37cfb8420ac5b148b226adcb19ae95655a7b\7b7cf73e19c343bd8776d410e4c08a7e.tmp

    Filesize

    1KB

    MD5

    e3207bd6893bab862071deb0828a2dad

    SHA1

    6818fec1c5042a483c5f3f8d1fba2555cb8a8615

    SHA256

    669643d432a6192127cff911c4174d53777632fc18490626efb951e8b7fb287e

    SHA512

    92a69c46632dbf6556687d6037559771cd67241b57180c2f795e0b40e57e2966a8121d6776464ffd7f7d7d79756aca53df87dc4cada3f77c471121c0c99396de

  • C:\Users\Admin\AppData\Local\Temp\U1N41~1.ZIP

    Filesize

    1.6MB

    MD5

    9bb67e904ac371b5ffd143f8fb54e1e2

    SHA1

    58009e463133af8b89b59716fe255b118eca872c

    SHA256

    44afbc66f029be48db5d01678a0af7baf541e4a61d4b07391aa0470f0a961ded

    SHA512

    573c196dc87a1d3ea22b3ebdd2be1e4fbfbd3ea431694ec5e503f5cc6717b7d63a478c5c981ba5b467176aadd352c92f1d026b60a28b8ff76390af6903c1cdc0

  • C:\Users\Admin\AppData\Local\Temp\d9bcdead

    Filesize

    1.4MB

    MD5

    a59f793d7e1c19d11da545ddd30839f8

    SHA1

    b079992d0dbb3560777851e159800af0577922bc

    SHA256

    25076377c8e1867df06ef2ecfca335d53bca126b2d3a0efc16cebe1d7cc1326d

    SHA512

    da72d0fa5550793a64878714d017d80a301c7335c0a74885db56624f76ef6dbf6a8c61504de370935b8276bd1cc22ee21173c1b7245b02fb1a5caac26b80d555

  • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

    Filesize

    2KB

    MD5

    bd0462fb0d8cf01fb9bfb2bac4672526

    SHA1

    3ec3b22d80fa41048d592de6db57b6d21ea17952

    SHA256

    c68796dd6fd4f5da88ab79edadedd270592e9abb3d1c0a36dd43a4bf1a8b230b

    SHA512

    cf176dc251bbdad24a01f3b72fa3754ac1a3d376fe2041087fdfc230d4b7c45044f0f52b7f22718fca423489b4c3fd51ab1fc920b3e40513f24ae8a442670851

  • C:\Users\Admin\AppData\Local\Temp\tmpB9CE.tmp

    Filesize

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u1n4.2\doubled.doc

    Filesize

    1.2MB

    MD5

    f344794dc910dc343f92ded2c6b5e0ab

    SHA1

    e5878518ce55ce5bd1890d5e04a82eb22d5a848a

    SHA256

    3cf94707697ce0141960b05a15cbd3c3b791196995b1d21c4ff6bfb59997e235

    SHA512

    ee00ad0c728c750b6c75001ba52df7ef367bebf1cbc01e2c9370dd42b1867b5347d5e68254f427dddde3214f2fae1341ab76c7faa3a4724e1d1d43fae97d3a58

  • C:\Users\Admin\AppData\Local\Temp\u1n4.2\protactinium.log

    Filesize

    84KB

    MD5

    a276acc3fd657d7665bd4ddce8fb9749

    SHA1

    c02642eec3f4e8b0314045ee95e0a15abd853ea8

    SHA256

    6565f36d224ff27d89ad39a0d87f851f64308834d86e8a7cd02e9e1ea44187c8

    SHA512

    178476d229ff011cb1f39048acae46b42a80b2ec209b283a8237604646b09224446c5bb3a690191c4fd58813611d7c06b4fb23699cd76ad020a5d0bf4d456d79

  • C:\Users\Admin\AppData\Local\Temp\u1n4.3.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • \Users\Admin\AppData\Local\Temp\u1n4.0.exe

    Filesize

    274KB

    MD5

    fae96a12ae35c2243801206ca089798d

    SHA1

    52b8769b202701900f03c386623232ee23fb90d3

    SHA256

    1b32e30cfeea17e7f29f8c907c42cafc3a18da4306007b5c5bc38cb6bb4f1750

    SHA512

    7a3d2284145b98b8db779e1a941f48125fd3fee00dc147fb6a2c0ecf0840b9c52973930871182e402726878de2bfb0dd7e4d64396e4280700511e2ac81aa7abe

  • \Users\Admin\AppData\Local\Temp\u1n4.2\ASUS_WMI.dll

    Filesize

    224KB

    MD5

    3f109a02c8d642e8003a1188df40d861

    SHA1

    f723f38471b8872443aa9177eef12a96c02cc84a

    SHA256

    6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

    SHA512

    023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

  • \Users\Admin\AppData\Local\Temp\u1n4.2\ATKEX.dll

    Filesize

    84KB

    MD5

    e68562f63265e1a70881446b4b9dc455

    SHA1

    da16ef9367bde3ce892b1a0e33bc179d8acdceb3

    SHA256

    c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

    SHA512

    6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

  • \Users\Admin\AppData\Local\Temp\u1n4.2\AsIO.dll

    Filesize

    120KB

    MD5

    f383f6f4e764619bd19e319335d3ef2b

    SHA1

    99f287e49a15e495b4ead8e5589364a5f87b357e

    SHA256

    03951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d

    SHA512

    6fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934

  • \Users\Admin\AppData\Local\Temp\u1n4.2\run.exe

    Filesize

    446KB

    MD5

    485008b43f0edceba0e0d3ca04bc1c1a

    SHA1

    55ae8f105af415bb763d1b87f6572f078052877c

    SHA256

    12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

    SHA512

    402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

  • memory/672-327-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/672-326-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/672-325-0x0000000072010000-0x0000000073072000-memory.dmp

    Filesize

    16.4MB

  • memory/672-333-0x0000000000080000-0x0000000000146000-memory.dmp

    Filesize

    792KB

  • memory/1064-234-0x0000000000400000-0x0000000002B02000-memory.dmp

    Filesize

    39.0MB

  • memory/1064-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1064-293-0x0000000000400000-0x0000000002B02000-memory.dmp

    Filesize

    39.0MB

  • memory/1244-243-0x0000000077070000-0x0000000077219000-memory.dmp

    Filesize

    1.7MB

  • memory/1244-323-0x0000000073C30000-0x0000000073DA4000-memory.dmp

    Filesize

    1.5MB

  • memory/1464-158-0x0000000077070000-0x0000000077219000-memory.dmp

    Filesize

    1.7MB

  • memory/1464-230-0x0000000073C30000-0x0000000073DA4000-memory.dmp

    Filesize

    1.5MB

  • memory/1464-157-0x0000000073C30000-0x0000000073DA4000-memory.dmp

    Filesize

    1.5MB

  • memory/2128-2-0x0000000000230000-0x000000000029D000-memory.dmp

    Filesize

    436KB

  • memory/2128-203-0x0000000000400000-0x0000000002B2A000-memory.dmp

    Filesize

    39.2MB

  • memory/2128-1-0x0000000002C50000-0x0000000002D50000-memory.dmp

    Filesize

    1024KB

  • memory/2128-204-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2128-3-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2128-205-0x0000000002C50000-0x0000000002D50000-memory.dmp

    Filesize

    1024KB

  • memory/2344-294-0x0000000000D80000-0x0000000004678000-memory.dmp

    Filesize

    57.0MB

  • memory/2344-304-0x00000000005B0000-0x0000000000612000-memory.dmp

    Filesize

    392KB

  • memory/2344-303-0x000000001ED80000-0x000000001EDFA000-memory.dmp

    Filesize

    488KB

  • memory/2344-305-0x0000000000590000-0x000000000059A000-memory.dmp

    Filesize

    40KB

  • memory/2344-309-0x000000001FFE0000-0x00000000202E0000-memory.dmp

    Filesize

    3.0MB

  • memory/2344-301-0x000000001E1D0000-0x000000001E1FA000-memory.dmp

    Filesize

    168KB

  • memory/2344-300-0x000000001E1B0000-0x000000001E1BA000-memory.dmp

    Filesize

    40KB

  • memory/2344-311-0x0000000000D50000-0x0000000000D5A000-memory.dmp

    Filesize

    40KB

  • memory/2344-312-0x0000000000D50000-0x0000000000D5A000-memory.dmp

    Filesize

    40KB

  • memory/2344-314-0x0000000005B00000-0x0000000005B22000-memory.dmp

    Filesize

    136KB

  • memory/2344-313-0x0000000005AF0000-0x0000000005AFA000-memory.dmp

    Filesize

    40KB

  • memory/2344-317-0x0000000005B20000-0x0000000005B2C000-memory.dmp

    Filesize

    48KB

  • memory/2344-321-0x0000000000D50000-0x0000000000D5A000-memory.dmp

    Filesize

    40KB

  • memory/2344-322-0x0000000000D50000-0x0000000000D5A000-memory.dmp

    Filesize

    40KB

  • memory/2344-302-0x000000001EF10000-0x000000001EFC2000-memory.dmp

    Filesize

    712KB

  • memory/2344-298-0x0000000000610000-0x0000000000624000-memory.dmp

    Filesize

    80KB

  • memory/2344-299-0x0000000005CE0000-0x0000000005D04000-memory.dmp

    Filesize

    144KB

  • memory/2344-295-0x000000001F0D0000-0x000000001F1E0000-memory.dmp

    Filesize

    1.1MB

  • memory/2344-296-0x0000000000360000-0x0000000000370000-memory.dmp

    Filesize

    64KB

  • memory/2344-297-0x0000000000BD0000-0x0000000000BDC000-memory.dmp

    Filesize

    48KB

  • memory/2632-292-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB