Analysis

  • max time kernel
    280s
  • max time network
    286s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05-05-2024 22:37

General

  • Target

    683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe

  • Size

    445KB

  • MD5

    80a4caed5d40489be77cb54617a91de4

  • SHA1

    51a1ae13862055f86993ea9ffb4036b4d911d79c

  • SHA256

    683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13

  • SHA512

    7dfe4b0fa47314f72af8378efccc1b32585ff3c348f4cf9de60a7411f020115fc277074d2a23f017b10774d38f53ade15b6db4943326563644f525576d253f37

  • SSDEEP

    6144:4DB3yaQTpQbjXidskjQ/K+VhYNUKD7ZCtAu9hZlpw/21:qBtQdyXy0XhYNdTu9Npw/21

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\683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe
    "C:\Users\Admin\AppData\Local\Temp\683fc3a92e9e14798ea87fddef2f2bcf9e548758233bff0ca3267a71741b3d13.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Users\Admin\AppData\Local\Temp\u27s.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u27s.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2080
    • C:\Users\Admin\AppData\Local\Temp\u27s.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u27s.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:276
      • 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:768
        • 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:1044
    • C:\Users\Admin\AppData\Local\Temp\u27s.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u27s.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2284
      • 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:292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\f40fa09571ae3e4604ca1ef5093c12d04345052412cd199086553bfab6d3b7c7\d1bcc70a677e437d8f9be135f3c3fccd.tmp

    Filesize

    1KB

    MD5

    9f69ef9edc79f683a40b1d58f9687a6e

    SHA1

    081987b3f4f009aa54a2890708927e0cf25ba008

    SHA256

    27ba1b0e718dbcdf2d38df5e2d61d072cd61bc40d3313e4f6f96d650e0bb6526

    SHA512

    e65448ec6c121e06c47c8b56d3b6a4a6bd247ef3ad9241f5720e7762eedf8cc85bcc6452a9ac36023d51d6e044d1f077991e14990ad820741077330742e46fb5

  • C:\Users\Admin\AppData\Local\Temp\U27S1~1.ZIP

    Filesize

    1.6MB

    MD5

    9bb67e904ac371b5ffd143f8fb54e1e2

    SHA1

    58009e463133af8b89b59716fe255b118eca872c

    SHA256

    44afbc66f029be48db5d01678a0af7baf541e4a61d4b07391aa0470f0a961ded

    SHA512

    573c196dc87a1d3ea22b3ebdd2be1e4fbfbd3ea431694ec5e503f5cc6717b7d63a478c5c981ba5b467176aadd352c92f1d026b60a28b8ff76390af6903c1cdc0

  • C:\Users\Admin\AppData\Local\Temp\bcadf3da

    Filesize

    1.4MB

    MD5

    9df930c0f486a0444992299a6a905464

    SHA1

    210052fd478ac4d40ce9c3ea939c0c1b985d351b

    SHA256

    49b0f645bc83d33bcf9b7d2c4a724ae6ff64788ffcef7bb9a529118c2ecb1f2a

    SHA512

    3916283f0945df530767f3fe193829902b5019a012b8f7e5395493905a970ef2a70b05a5393d918462312bd2be304598a4ed77a5585ae2f19611710aef87bf54

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

    Filesize

    2KB

    MD5

    69c3f4b7e72b37d2c8d1ec237b8837c7

    SHA1

    c53befe1a50b4026a935566114f844ec67af04d1

    SHA256

    16e03810951c16f392dd2cb15335d8b7055a3ad198f21f8ba21a6d3a2b19fdc7

    SHA512

    4e9a7b621457aa94936b4e80c0b2ea26d46f0c6d686d796adc15b426f02fc41f31cc8e2db2aff3b2985000cedf0e37e764c225f0b8b1de7f419c7a5ebb15571b

  • C:\Users\Admin\AppData\Local\Temp\tmpAE4A.tmp

    Filesize

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u27s.0.exe

    Filesize

    274KB

    MD5

    fae96a12ae35c2243801206ca089798d

    SHA1

    52b8769b202701900f03c386623232ee23fb90d3

    SHA256

    1b32e30cfeea17e7f29f8c907c42cafc3a18da4306007b5c5bc38cb6bb4f1750

    SHA512

    7a3d2284145b98b8db779e1a941f48125fd3fee00dc147fb6a2c0ecf0840b9c52973930871182e402726878de2bfb0dd7e4d64396e4280700511e2ac81aa7abe

  • C:\Users\Admin\AppData\Local\Temp\u27s.2\ATKEX.dll

    Filesize

    84KB

    MD5

    e68562f63265e1a70881446b4b9dc455

    SHA1

    da16ef9367bde3ce892b1a0e33bc179d8acdceb3

    SHA256

    c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

    SHA512

    6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

  • C:\Users\Admin\AppData\Local\Temp\u27s.2\AsIO.dll

    Filesize

    120KB

    MD5

    f383f6f4e764619bd19e319335d3ef2b

    SHA1

    99f287e49a15e495b4ead8e5589364a5f87b357e

    SHA256

    03951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d

    SHA512

    6fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934

  • C:\Users\Admin\AppData\Local\Temp\u27s.2\doubled.doc

    Filesize

    1.2MB

    MD5

    f344794dc910dc343f92ded2c6b5e0ab

    SHA1

    e5878518ce55ce5bd1890d5e04a82eb22d5a848a

    SHA256

    3cf94707697ce0141960b05a15cbd3c3b791196995b1d21c4ff6bfb59997e235

    SHA512

    ee00ad0c728c750b6c75001ba52df7ef367bebf1cbc01e2c9370dd42b1867b5347d5e68254f427dddde3214f2fae1341ab76c7faa3a4724e1d1d43fae97d3a58

  • C:\Users\Admin\AppData\Local\Temp\u27s.2\protactinium.log

    Filesize

    84KB

    MD5

    a276acc3fd657d7665bd4ddce8fb9749

    SHA1

    c02642eec3f4e8b0314045ee95e0a15abd853ea8

    SHA256

    6565f36d224ff27d89ad39a0d87f851f64308834d86e8a7cd02e9e1ea44187c8

    SHA512

    178476d229ff011cb1f39048acae46b42a80b2ec209b283a8237604646b09224446c5bb3a690191c4fd58813611d7c06b4fb23699cd76ad020a5d0bf4d456d79

  • \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\u27s.2\ASUS_WMI.dll

    Filesize

    224KB

    MD5

    3f109a02c8d642e8003a1188df40d861

    SHA1

    f723f38471b8872443aa9177eef12a96c02cc84a

    SHA256

    6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

    SHA512

    023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

  • \Users\Admin\AppData\Local\Temp\u27s.2\run.exe

    Filesize

    446KB

    MD5

    485008b43f0edceba0e0d3ca04bc1c1a

    SHA1

    55ae8f105af415bb763d1b87f6572f078052877c

    SHA256

    12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

    SHA512

    402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

  • \Users\Admin\AppData\Local\Temp\u27s.3.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • memory/276-125-0x0000000073FB0000-0x0000000074124000-memory.dmp

    Filesize

    1.5MB

  • memory/276-126-0x00000000773B0000-0x0000000077559000-memory.dmp

    Filesize

    1.7MB

  • memory/276-198-0x0000000073FB0000-0x0000000074124000-memory.dmp

    Filesize

    1.5MB

  • memory/292-221-0x00000000008C0000-0x00000000008D4000-memory.dmp

    Filesize

    80KB

  • memory/292-219-0x0000000000430000-0x0000000000440000-memory.dmp

    Filesize

    64KB

  • memory/292-325-0x0000000000420000-0x000000000042A000-memory.dmp

    Filesize

    40KB

  • memory/292-326-0x0000000000420000-0x000000000042A000-memory.dmp

    Filesize

    40KB

  • memory/292-216-0x00000000008D0000-0x00000000041C8000-memory.dmp

    Filesize

    57.0MB

  • memory/292-291-0x000000001E0C0000-0x000000001E0CC000-memory.dmp

    Filesize

    48KB

  • memory/292-218-0x000000001EE50000-0x000000001EF60000-memory.dmp

    Filesize

    1.1MB

  • memory/292-220-0x00000000057B0000-0x00000000057BC000-memory.dmp

    Filesize

    48KB

  • memory/292-287-0x0000000005B10000-0x0000000005B1A000-memory.dmp

    Filesize

    40KB

  • memory/292-286-0x0000000000420000-0x000000000042A000-memory.dmp

    Filesize

    40KB

  • memory/292-288-0x0000000005B20000-0x0000000005B42000-memory.dmp

    Filesize

    136KB

  • memory/292-233-0x0000000005900000-0x0000000005924000-memory.dmp

    Filesize

    144KB

  • memory/292-274-0x0000000005B50000-0x0000000005B5A000-memory.dmp

    Filesize

    40KB

  • memory/292-278-0x0000000005AB0000-0x0000000005B12000-memory.dmp

    Filesize

    392KB

  • memory/292-277-0x000000001ECD0000-0x000000001ED4A000-memory.dmp

    Filesize

    488KB

  • memory/292-276-0x000000001F880000-0x000000001F932000-memory.dmp

    Filesize

    712KB

  • memory/292-275-0x000000001EB30000-0x000000001EB5A000-memory.dmp

    Filesize

    168KB

  • memory/292-279-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/292-283-0x000000001FEA0000-0x00000000201A0000-memory.dmp

    Filesize

    3.0MB

  • memory/292-285-0x0000000000420000-0x000000000042A000-memory.dmp

    Filesize

    40KB

  • memory/768-222-0x00000000773B0000-0x0000000077559000-memory.dmp

    Filesize

    1.7MB

  • memory/768-330-0x0000000073FB0000-0x0000000074124000-memory.dmp

    Filesize

    1.5MB

  • memory/1044-336-0x0000000072930000-0x0000000073992000-memory.dmp

    Filesize

    16.4MB

  • memory/1044-339-0x0000000000400000-0x00000000004C6000-memory.dmp

    Filesize

    792KB

  • memory/1044-337-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/1044-338-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2080-324-0x0000000000400000-0x0000000002B02000-memory.dmp

    Filesize

    39.0MB

  • memory/2080-132-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2080-217-0x0000000000400000-0x0000000002B02000-memory.dmp

    Filesize

    39.0MB

  • memory/2080-334-0x0000000000400000-0x0000000002B02000-memory.dmp

    Filesize

    39.0MB

  • memory/2284-215-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-2-0x0000000000320000-0x000000000038D000-memory.dmp

    Filesize

    436KB

  • memory/2872-171-0x0000000002BA0000-0x0000000002CA0000-memory.dmp

    Filesize

    1024KB

  • memory/2872-169-0x0000000000400000-0x0000000002B2D000-memory.dmp

    Filesize

    39.2MB

  • memory/2872-1-0x0000000002BA0000-0x0000000002CA0000-memory.dmp

    Filesize

    1024KB

  • memory/2872-170-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2872-3-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB