Analysis

  • max time kernel
    300s
  • max time network
    302s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    06-05-2024 05:31

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 5 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 27 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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\989b904faba9a34be744477ce7730e1c84515ba7114f955cc5bda329d5b2e4c8.exe
    "C:\Users\Admin\AppData\Local\Temp\989b904faba9a34be744477ce7730e1c84515ba7114f955cc5bda329d5b2e4c8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4540
    • C:\Users\Admin\AppData\Local\Temp\u3i4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3i4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4436
    • C:\Users\Admin\AppData\Local\Temp\u3i4.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3i4.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3968
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:4416
        • 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:1536
    • C:\Users\Admin\AppData\Local\Temp\u3i4.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u3i4.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:684
      • 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:4680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Are.docx

    Filesize

    11KB

    MD5

    a33e5b189842c5867f46566bdbf7a095

    SHA1

    e1c06359f6a76da90d19e8fd95e79c832edb3196

    SHA256

    5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

    SHA512

    f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

  • C:\Users\Admin\AppData\Local\Temp\19ec0997

    Filesize

    1.4MB

    MD5

    5b0a03e3f4e3c003fb767374e16b9ec1

    SHA1

    eb0439bcd5e2eb3565f3e4b0626635770d97fd6c

    SHA256

    ea1eb870511d62223fe0b3d537e8368dd75df4fa3228601aa081dbdb9fa11b59

    SHA512

    bf8c9a2c50d7d24ec28a1e553b63d0d247644ea58b678a8cac900522c5c3138c8e992778b1f504e23bc41853d7d33dff688ad3dd004e12a742ce0beaeff85a93

  • C:\Users\Admin\AppData\Local\Temp\tmp1828.tmp

    Filesize

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u3i4.0.exe

    Filesize

    275KB

    MD5

    31c1bdc2c9075e8c2eab9353c41c117f

    SHA1

    ab28fb009dc8c2fa244c773760109e38711b1025

    SHA256

    4e08b9b37494a1917d2ab809fff59b3a45673a80d25587e51c8749331bb56233

    SHA512

    78b995611e33b441e9ebaeecbbce3ec96bbfcac7f71bd0f639ab1e3394900be5c80893dfc8957b696609eca7ce1933d58f026c7be389795f0dcc72ad3fc35593

  • C:\Users\Admin\AppData\Local\Temp\u3i4.1.zip

    Filesize

    1.6MB

    MD5

    9bb67e904ac371b5ffd143f8fb54e1e2

    SHA1

    58009e463133af8b89b59716fe255b118eca872c

    SHA256

    44afbc66f029be48db5d01678a0af7baf541e4a61d4b07391aa0470f0a961ded

    SHA512

    573c196dc87a1d3ea22b3ebdd2be1e4fbfbd3ea431694ec5e503f5cc6717b7d63a478c5c981ba5b467176aadd352c92f1d026b60a28b8ff76390af6903c1cdc0

  • C:\Users\Admin\AppData\Local\Temp\u3i4.2\ATKEX.dll

    Filesize

    84KB

    MD5

    e68562f63265e1a70881446b4b9dc455

    SHA1

    da16ef9367bde3ce892b1a0e33bc179d8acdceb3

    SHA256

    c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

    SHA512

    6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

  • C:\Users\Admin\AppData\Local\Temp\u3i4.2\AsIO.dll

    Filesize

    120KB

    MD5

    f383f6f4e764619bd19e319335d3ef2b

    SHA1

    99f287e49a15e495b4ead8e5589364a5f87b357e

    SHA256

    03951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d

    SHA512

    6fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934

  • C:\Users\Admin\AppData\Local\Temp\u3i4.2\doubled.doc

    Filesize

    1.2MB

    MD5

    f344794dc910dc343f92ded2c6b5e0ab

    SHA1

    e5878518ce55ce5bd1890d5e04a82eb22d5a848a

    SHA256

    3cf94707697ce0141960b05a15cbd3c3b791196995b1d21c4ff6bfb59997e235

    SHA512

    ee00ad0c728c750b6c75001ba52df7ef367bebf1cbc01e2c9370dd42b1867b5347d5e68254f427dddde3214f2fae1341ab76c7faa3a4724e1d1d43fae97d3a58

  • C:\Users\Admin\AppData\Local\Temp\u3i4.2\protactinium.log

    Filesize

    84KB

    MD5

    a276acc3fd657d7665bd4ddce8fb9749

    SHA1

    c02642eec3f4e8b0314045ee95e0a15abd853ea8

    SHA256

    6565f36d224ff27d89ad39a0d87f851f64308834d86e8a7cd02e9e1ea44187c8

    SHA512

    178476d229ff011cb1f39048acae46b42a80b2ec209b283a8237604646b09224446c5bb3a690191c4fd58813611d7c06b4fb23699cd76ad020a5d0bf4d456d79

  • C:\Users\Admin\AppData\Local\Temp\u3i4.2\run.exe

    Filesize

    446KB

    MD5

    485008b43f0edceba0e0d3ca04bc1c1a

    SHA1

    55ae8f105af415bb763d1b87f6572f078052877c

    SHA256

    12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

    SHA512

    402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

  • C:\Users\Admin\AppData\Local\Temp\u3i4.3.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\u3i4.2\ASUS_WMI.dll

    Filesize

    224KB

    MD5

    3f109a02c8d642e8003a1188df40d861

    SHA1

    f723f38471b8872443aa9177eef12a96c02cc84a

    SHA256

    6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

    SHA512

    023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

  • memory/684-226-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/1536-266-0x0000000005950000-0x00000000059C6000-memory.dmp

    Filesize

    472KB

  • memory/1536-265-0x0000000005AA0000-0x0000000005C62000-memory.dmp

    Filesize

    1.8MB

  • memory/1536-259-0x0000000070B20000-0x0000000071EA3000-memory.dmp

    Filesize

    19.5MB

  • memory/1536-262-0x0000000001300000-0x00000000013C6000-memory.dmp

    Filesize

    792KB

  • memory/1536-267-0x0000000005A20000-0x0000000005A70000-memory.dmp

    Filesize

    320KB

  • memory/1536-264-0x0000000005DA0000-0x000000000629E000-memory.dmp

    Filesize

    5.0MB

  • memory/1536-283-0x0000000007E30000-0x0000000007E42000-memory.dmp

    Filesize

    72KB

  • memory/1536-281-0x0000000007E00000-0x0000000007E0A000-memory.dmp

    Filesize

    40KB

  • memory/1536-263-0x00000000057E0000-0x0000000005872000-memory.dmp

    Filesize

    584KB

  • memory/1536-268-0x00000000058B0000-0x00000000058BA000-memory.dmp

    Filesize

    40KB

  • memory/1536-269-0x00000000069D0000-0x0000000006EFC000-memory.dmp

    Filesize

    5.2MB

  • memory/1536-271-0x00000000065C0000-0x0000000006626000-memory.dmp

    Filesize

    408KB

  • memory/1536-270-0x00000000064E0000-0x00000000064FE000-memory.dmp

    Filesize

    120KB

  • memory/3968-210-0x0000000072190000-0x000000007230B000-memory.dmp

    Filesize

    1.5MB

  • memory/3968-141-0x0000000072190000-0x000000007230B000-memory.dmp

    Filesize

    1.5MB

  • memory/3968-142-0x00007FFCDFBE0000-0x00007FFCDFDBB000-memory.dmp

    Filesize

    1.9MB

  • memory/4416-213-0x00007FFCDFBE0000-0x00007FFCDFDBB000-memory.dmp

    Filesize

    1.9MB

  • memory/4416-257-0x0000000072190000-0x000000007230B000-memory.dmp

    Filesize

    1.5MB

  • memory/4436-11-0x0000000000400000-0x0000000001A0F000-memory.dmp

    Filesize

    22.1MB

  • memory/4436-148-0x0000000000400000-0x0000000001A0F000-memory.dmp

    Filesize

    22.1MB

  • memory/4436-13-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/4436-194-0x0000000000400000-0x0000000001A0F000-memory.dmp

    Filesize

    22.1MB

  • memory/4436-10-0x0000000000400000-0x0000000001A0F000-memory.dmp

    Filesize

    22.1MB

  • memory/4540-3-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4540-12-0x0000000000400000-0x0000000002B2A000-memory.dmp

    Filesize

    39.2MB

  • memory/4540-153-0x0000000000400000-0x0000000002B2A000-memory.dmp

    Filesize

    39.2MB

  • memory/4540-154-0x0000000002FF0000-0x000000000305D000-memory.dmp

    Filesize

    436KB

  • memory/4540-155-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4540-2-0x0000000002FF0000-0x000000000305D000-memory.dmp

    Filesize

    436KB

  • memory/4540-1-0x0000000002DF0000-0x0000000002EF0000-memory.dmp

    Filesize

    1024KB

  • memory/4680-231-0x0000022B32EE0000-0x0000022B32EF4000-memory.dmp

    Filesize

    80KB

  • memory/4680-247-0x0000022B38A60000-0x0000022B38A6A000-memory.dmp

    Filesize

    40KB

  • memory/4680-248-0x0000022B38A70000-0x0000022B38A92000-memory.dmp

    Filesize

    136KB

  • memory/4680-249-0x0000022B38FD0000-0x0000022B394F6000-memory.dmp

    Filesize

    5.1MB

  • memory/4680-252-0x0000022B38AE0000-0x0000022B38B30000-memory.dmp

    Filesize

    320KB

  • memory/4680-253-0x0000022B38A90000-0x0000022B38A9C000-memory.dmp

    Filesize

    48KB

  • memory/4680-254-0x0000022B38B30000-0x0000022B38B52000-memory.dmp

    Filesize

    136KB

  • memory/4680-255-0x0000022B38AC0000-0x0000022B38ADE000-memory.dmp

    Filesize

    120KB

  • memory/4680-246-0x0000022B38770000-0x0000022B387A8000-memory.dmp

    Filesize

    224KB

  • memory/4680-245-0x0000022B378E0000-0x0000022B378E8000-memory.dmp

    Filesize

    32KB

  • memory/4680-233-0x0000022B1A7F0000-0x0000022B1A7FA000-memory.dmp

    Filesize

    40KB

  • memory/4680-234-0x0000022B32F80000-0x0000022B32FAA000-memory.dmp

    Filesize

    168KB

  • memory/4680-235-0x0000022B33530000-0x0000022B335E2000-memory.dmp

    Filesize

    712KB

  • memory/4680-236-0x0000022B335E0000-0x0000022B3365A000-memory.dmp

    Filesize

    488KB

  • memory/4680-237-0x0000022B33660000-0x0000022B336C2000-memory.dmp

    Filesize

    392KB

  • memory/4680-243-0x0000022B337C0000-0x0000022B33AC0000-memory.dmp

    Filesize

    3.0MB

  • memory/4680-239-0x0000022B1A800000-0x0000022B1A80A000-memory.dmp

    Filesize

    40KB

  • memory/4680-238-0x0000022B33740000-0x0000022B337B6000-memory.dmp

    Filesize

    472KB

  • memory/4680-232-0x0000022B32F50000-0x0000022B32F74000-memory.dmp

    Filesize

    144KB

  • memory/4680-230-0x0000022B32EF0000-0x0000022B32EFC000-memory.dmp

    Filesize

    48KB

  • memory/4680-229-0x0000022B1A650000-0x0000022B1A660000-memory.dmp

    Filesize

    64KB

  • memory/4680-228-0x0000022B331F0000-0x0000022B33300000-memory.dmp

    Filesize

    1.1MB

  • memory/4680-227-0x0000022B15100000-0x0000022B189F8000-memory.dmp

    Filesize

    57.0MB