Analysis

  • max time kernel
    280s
  • max time network
    285s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06-05-2024 22:55

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:2584
    • C:\Users\Admin\AppData\Local\Temp\u1zs.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1zs.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2608
    • C:\Users\Admin\AppData\Local\Temp\u1zs.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u1zs.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:2680
      • 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:1572
        • 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:1884
    • C:\Users\Admin\AppData\Local\Temp\u1zs.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u1zs.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1424
      • 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:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\049b7335d372bd07248452d0b58e37cfb8420ac5b148b226adcb19ae95655a7b\ac2e03325f90466a9e1f2c1c9f3a9b9e.tmp

    Filesize

    1KB

    MD5

    3e2aa105c2a9f4c42ae20038422d22f7

    SHA1

    2adf46a896c35b61b90a329065dcb543a3d19c17

    SHA256

    5b5df2b8d10b744a4e917eb9d93fc3a121f6836212bbaae9000139776dc2062e

    SHA512

    1b5f5462ca1ba56707aeb7cfeebbb08f2ab7b0c6aee154e6ce5be5a359f0899813ed61e39ecd96262be51063c0dda9f353f72a6726def2777cdee8689ea7e8b4

  • C:\Users\Admin\AppData\Local\Temp\U1ZS1~1.ZIP

    Filesize

    512KB

    MD5

    c3ab0c0c379df9cb94775f8ec6531b0f

    SHA1

    29f14ebf01ca14b405a9de1aa2c8b9799b512588

    SHA256

    5837f61b1370310861b1290056777da692a2339e8dcac5fdb9c1086218836654

    SHA512

    7655eee4c5627cae9c3c193f05547d00d15224848236a7e6767454a1e39126e26442a62427516e62406af651828812cc910393848bed99cc079b910c8872a419

  • C:\Users\Admin\AppData\Local\Temp\fcb6e7a4

    Filesize

    1.4MB

    MD5

    75b99aeeb21eaf7f22496beda1c82734

    SHA1

    323182038e2f0bf24d265e3841e9e6711a9fd9b3

    SHA256

    2e3a2f7ea1e357b8783a26941f616108760316f55849cdac54e607d5e6992447

    SHA512

    5440bd4f30d9b446baec43121b60e2e7618b5bf4c12e87d821dabdffc2e326852144ee3bc8dd1d43f2c2fe9c01162b9961ecfff1299bfe25f514d27b768c64f7

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

    Filesize

    2KB

    MD5

    fca83d6051536b3f71c0bbc3bd7eca25

    SHA1

    a8b0f989c9e518d46d272063dafa3f9e3d894d01

    SHA256

    72206d3e02a90e38630f37593c8a7462356f65c9f3ec6c4c69670a6d0c98014b

    SHA512

    272f602679a14ec28989e7bc9e009fad2353fdcf52c9f3a31dcc3f624878ba0a554c4e533e7b0748619ae7907735198b63954134693d2c810b22581abee3dc39

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

    Filesize

    3KB

    MD5

    114f112b9e7b07235b2bfb18f2ee66e6

    SHA1

    08eab053c312fd72bb4d6051db50aef516e81641

    SHA256

    f275354c4bf84870f1ab717debacce22b78dbe908a35fbedda92f746688d245e

    SHA512

    d5aa70e240148be217d3e98a535e076ee47cc130c4e4e5c38a123ccc5d48a0b66f05bd5daeb83e5353d5f325a25fc3aca0fe41c8453fdec62696e3c098e3d7fa

  • C:\Users\Admin\AppData\Local\Temp\tmpE023.tmp

    Filesize

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u1zs.0.exe

    Filesize

    282KB

    MD5

    f72e01dfb65e6409cb0fc611e466e9d5

    SHA1

    e3d9f9d5e531ea1537bbecbf8064c5772a3c4a26

    SHA256

    7eec5c68ccc964cae08684c73b65a0427623454286b253b4ee4453dc1aa93bbf

    SHA512

    7f47b5e7d997d923ca3d2a481bd8754b01c444c3be284b01e8577e58632bf1b69db87927e57079999e9ffc4dc1d50c45b68a5ce3b4ad58bdcf55d48acb9a87c1

  • C:\Users\Admin\AppData\Local\Temp\u1zs.2\doubled.doc

    Filesize

    1.2MB

    MD5

    f344794dc910dc343f92ded2c6b5e0ab

    SHA1

    e5878518ce55ce5bd1890d5e04a82eb22d5a848a

    SHA256

    3cf94707697ce0141960b05a15cbd3c3b791196995b1d21c4ff6bfb59997e235

    SHA512

    ee00ad0c728c750b6c75001ba52df7ef367bebf1cbc01e2c9370dd42b1867b5347d5e68254f427dddde3214f2fae1341ab76c7faa3a4724e1d1d43fae97d3a58

  • C:\Users\Admin\AppData\Local\Temp\u1zs.2\protactinium.log

    Filesize

    84KB

    MD5

    a276acc3fd657d7665bd4ddce8fb9749

    SHA1

    c02642eec3f4e8b0314045ee95e0a15abd853ea8

    SHA256

    6565f36d224ff27d89ad39a0d87f851f64308834d86e8a7cd02e9e1ea44187c8

    SHA512

    178476d229ff011cb1f39048acae46b42a80b2ec209b283a8237604646b09224446c5bb3a690191c4fd58813611d7c06b4fb23699cd76ad020a5d0bf4d456d79

  • C:\Users\Admin\AppData\Local\Temp\u1zs.2\run.exe

    Filesize

    446KB

    MD5

    485008b43f0edceba0e0d3ca04bc1c1a

    SHA1

    55ae8f105af415bb763d1b87f6572f078052877c

    SHA256

    12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

    SHA512

    402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

  • C:\Users\Admin\AppData\Local\Temp\u1zs.3.exe

    Filesize

    2.8MB

    MD5

    74e52168f2ae714da4a52c75e78effcc

    SHA1

    97636f0e3c47a714a9553924428015584c985ed9

    SHA256

    f59e0e9ef3491fdbb3b50fa47bba17d6cb54613851c436a27fa417dbcaf3b0f7

    SHA512

    5d4a160b390c6cbf909bec1f8f39ba8d17ea3965ce11aaf20e232828c11e77cc0fe5413a37dd09e3ccd09c25fbe241df67b409ed36056f446b8e179a6e2f5726

  • \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\u1zs.2\ASUS_WMI.dll

    Filesize

    224KB

    MD5

    3f109a02c8d642e8003a1188df40d861

    SHA1

    f723f38471b8872443aa9177eef12a96c02cc84a

    SHA256

    6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

    SHA512

    023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

  • \Users\Admin\AppData\Local\Temp\u1zs.2\ATKEX.dll

    Filesize

    84KB

    MD5

    e68562f63265e1a70881446b4b9dc455

    SHA1

    da16ef9367bde3ce892b1a0e33bc179d8acdceb3

    SHA256

    c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

    SHA512

    6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

  • \Users\Admin\AppData\Local\Temp\u1zs.2\AsIO.dll

    Filesize

    120KB

    MD5

    f383f6f4e764619bd19e319335d3ef2b

    SHA1

    99f287e49a15e495b4ead8e5589364a5f87b357e

    SHA256

    03951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d

    SHA512

    6fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934

  • \Users\Admin\AppData\Local\Temp\u1zs.3.exe

    Filesize

    2.1MB

    MD5

    0ef4e27e914de46c682cd3d6f564d1cf

    SHA1

    aa00eb2e895a80e1e5881d1b4618c844858ecb21

    SHA256

    c7be7abeb3504d7eb53fa89e99029bea1e715fa4b3964ac0c54a298af5781f75

    SHA512

    a6c94949b67dc653fefd6e9b9726307c18e91ced8aa82be950561383b75c5823d5241a65d68157a7249ea34923148b0b1f877d5137e3dc44bbe076fb920b63f9

  • \Users\Admin\AppData\Local\Temp\u1zs.3.exe

    Filesize

    1.2MB

    MD5

    4568a09ed4c4d33d5927ca49126175e5

    SHA1

    c85098d1fd73efff640e724dbee98fbb8ad8ceea

    SHA256

    7f7cf5fbe5c5025d6b6ee86b78e133e0f93aab5ba94e272ae716bfee5f9d77d1

    SHA512

    ccadb3bea90c874699f6f6155bdebcf7a6a37489247a1786dd26878f57d94a1d03083ec2e1988e4213e260dac1b8de424f4dabe81ed33e17c9734dc9b670f45e

  • \Users\Admin\AppData\Local\Temp\u1zs.3.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • memory/1424-259-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/1424-290-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/1572-211-0x00000000772C0000-0x0000000077469000-memory.dmp

    Filesize

    1.7MB

  • memory/1572-260-0x0000000073E80000-0x0000000073FF4000-memory.dmp

    Filesize

    1.5MB

  • memory/1884-267-0x0000000000400000-0x00000000004C6000-memory.dmp

    Filesize

    792KB

  • memory/1884-262-0x0000000072840000-0x00000000738A2000-memory.dmp

    Filesize

    16.4MB

  • memory/1884-263-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/1884-264-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2584-166-0x00000000002A0000-0x00000000003A0000-memory.dmp

    Filesize

    1024KB

  • memory/2584-132-0x0000000000400000-0x0000000002B2A000-memory.dmp

    Filesize

    39.2MB

  • memory/2584-2-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2584-1-0x00000000002A0000-0x00000000003A0000-memory.dmp

    Filesize

    1024KB

  • memory/2584-3-0x0000000000400000-0x0000000002B2A000-memory.dmp

    Filesize

    39.2MB

  • memory/2584-182-0x0000000000400000-0x0000000002B2A000-memory.dmp

    Filesize

    39.2MB

  • memory/2584-184-0x00000000002A0000-0x00000000003A0000-memory.dmp

    Filesize

    1024KB

  • memory/2584-183-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2608-133-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2608-258-0x0000000000400000-0x0000000001A10000-memory.dmp

    Filesize

    22.1MB

  • memory/2608-165-0x0000000000400000-0x0000000001A10000-memory.dmp

    Filesize

    22.1MB

  • memory/2608-527-0x0000000000400000-0x0000000001A10000-memory.dmp

    Filesize

    22.1MB

  • memory/2608-352-0x0000000000400000-0x0000000001A10000-memory.dmp

    Filesize

    22.1MB

  • memory/2608-342-0x0000000000400000-0x0000000001A10000-memory.dmp

    Filesize

    22.1MB

  • memory/2680-125-0x0000000073E80000-0x0000000073FF4000-memory.dmp

    Filesize

    1.5MB

  • memory/2680-126-0x00000000772C0000-0x0000000077469000-memory.dmp

    Filesize

    1.7MB

  • memory/2680-156-0x0000000073E80000-0x0000000073FF4000-memory.dmp

    Filesize

    1.5MB

  • memory/2804-305-0x000000001FBA0000-0x000000001FEA0000-memory.dmp

    Filesize

    3.0MB

  • memory/2804-309-0x0000000000C90000-0x0000000000C9A000-memory.dmp

    Filesize

    40KB

  • memory/2804-298-0x0000000001130000-0x000000000113A000-memory.dmp

    Filesize

    40KB

  • memory/2804-301-0x0000000000600000-0x000000000060A000-memory.dmp

    Filesize

    40KB

  • memory/2804-300-0x000000001F3A0000-0x000000001F452000-memory.dmp

    Filesize

    712KB

  • memory/2804-308-0x0000000000620000-0x000000000062A000-memory.dmp

    Filesize

    40KB

  • memory/2804-307-0x0000000000620000-0x000000000062A000-memory.dmp

    Filesize

    40KB

  • memory/2804-311-0x0000000000CA0000-0x0000000000CC2000-memory.dmp

    Filesize

    136KB

  • memory/2804-310-0x000000001F600000-0x000000001F662000-memory.dmp

    Filesize

    392KB

  • memory/2804-299-0x000000001F370000-0x000000001F39A000-memory.dmp

    Filesize

    168KB

  • memory/2804-314-0x0000000000E70000-0x0000000000E7C000-memory.dmp

    Filesize

    48KB

  • memory/2804-321-0x0000000000620000-0x000000000062A000-memory.dmp

    Filesize

    40KB

  • memory/2804-320-0x0000000000620000-0x000000000062A000-memory.dmp

    Filesize

    40KB

  • memory/2804-292-0x000000001ED90000-0x000000001EE9A000-memory.dmp

    Filesize

    1.0MB

  • memory/2804-296-0x0000000000CC0000-0x0000000000CE4000-memory.dmp

    Filesize

    144KB

  • memory/2804-295-0x00000000003F0000-0x0000000000404000-memory.dmp

    Filesize

    80KB

  • memory/2804-293-0x00000000003D0000-0x00000000003E0000-memory.dmp

    Filesize

    64KB

  • memory/2804-294-0x0000000000630000-0x000000000063C000-memory.dmp

    Filesize

    48KB

  • memory/2804-291-0x0000000001150000-0x0000000004984000-memory.dmp

    Filesize

    56.2MB