Analysis

  • max time kernel
    260s
  • max time network
    288s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 22:37

General

  • Target

    0ffd98ee730d075f964045eb2538fb640a816b9db9c20fba0b9a66fb52a7c068.exe

  • Size

    455KB

  • MD5

    39f8e1c34c1a6e6aa1fa544a62f6153d

  • SHA1

    4ff01ce75ce3062f960ff31c86f94d88632fce5a

  • SHA256

    0ffd98ee730d075f964045eb2538fb640a816b9db9c20fba0b9a66fb52a7c068

  • SHA512

    21512c4e99a7dbd3ed5d18733980e52c739304815f964f50c7e6b8ee205410e57bc8c56afa97cfe6c6dd7215cb6ab14c020d6cdbebbe69eef9318a2e90db01e9

  • SSDEEP

    6144:/kQovcEzShy9BhYyKVPJq/URCX68fELkHlVAwmN8HGPq1Mv4qb4/V:8QoUgSUAnRCL8YHLAWH9eAU4/V

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 19 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 12 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\0ffd98ee730d075f964045eb2538fb640a816b9db9c20fba0b9a66fb52a7c068.exe
    "C:\Users\Admin\AppData\Local\Temp\0ffd98ee730d075f964045eb2538fb640a816b9db9c20fba0b9a66fb52a7c068.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Users\Admin\AppData\Local\Temp\u1s0.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1s0.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1936
    • C:\Users\Admin\AppData\Local\Temp\u1s0.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u1s0.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1976
      • 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:1100
        • 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:2512
    • C:\Users\Admin\AppData\Local\Temp\u1s0.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u1s0.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2960
      • 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:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\81950f7e7cbd108086cf2da3a401afdfffc60d9b485aac5dd52f7a137c00f950\3b7c16e15ac5472f921b89f5bd551a9f.tmp

    Filesize

    1KB

    MD5

    28959be23a3b780617e81a8278af5561

    SHA1

    225336f22325c1de5179ace9d350057b24ae9038

    SHA256

    b0dbe9a52496b34c6e76565b9489278a8e8758dc7235dabeb7a9fcda251efc99

    SHA512

    cd459d01a75597733817da537fa7912c5407ea1fb15aaf5626e1d7db5175340ab46582ca3fee4c7c93f09ec98c77166e4f4e6e42e3010e900bcea1629024bdab

  • C:\Users\Admin\AppData\Local\Temp\1eaec99a

    Filesize

    1.4MB

    MD5

    a98b2525a6cbea1aac603b0d20e31322

    SHA1

    2f8c815948c9371e71caddca35a7871c287c4cff

    SHA256

    3566c59fe832954f57ffbbcc43bd2684fb96fc3ed5a67a8cbcaeb8f6bd1471e9

    SHA512

    65e65a9b6de9ee9c73041ae1733c02b43efa9ff2be1d926a82e7a53eada147be7ab59fb6c2b0348b566208e1ae93f4a4b206cf89d95f913be7fe5bc28c92ee8f

  • C:\Users\Admin\AppData\Local\Temp\U1S01~1.ZIP

    Filesize

    1.6MB

    MD5

    9bb67e904ac371b5ffd143f8fb54e1e2

    SHA1

    58009e463133af8b89b59716fe255b118eca872c

    SHA256

    44afbc66f029be48db5d01678a0af7baf541e4a61d4b07391aa0470f0a961ded

    SHA512

    573c196dc87a1d3ea22b3ebdd2be1e4fbfbd3ea431694ec5e503f5cc6717b7d63a478c5c981ba5b467176aadd352c92f1d026b60a28b8ff76390af6903c1cdc0

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

    Filesize

    2KB

    MD5

    94e9dd69c5ab83229a9b9d313fde2c12

    SHA1

    257e283fefb31a6165f7458f96c54e6c3c18bc81

    SHA256

    9ba39504900346c47f9e467770a1df20c8198e1e9c16bd31175b9ddf4e1d2acd

    SHA512

    7ba50b6605e37f75d5caf0b7e482448b158fe148fc156139893909b2bb67337cb5137de439668dab6f7acf97dfae064264de66b6f13e2176425a5d63d789f2ab

  • C:\Users\Admin\AppData\Local\Temp\tmp56A9.tmp

    Filesize

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u1s0.2\doubled.doc

    Filesize

    1.2MB

    MD5

    f344794dc910dc343f92ded2c6b5e0ab

    SHA1

    e5878518ce55ce5bd1890d5e04a82eb22d5a848a

    SHA256

    3cf94707697ce0141960b05a15cbd3c3b791196995b1d21c4ff6bfb59997e235

    SHA512

    ee00ad0c728c750b6c75001ba52df7ef367bebf1cbc01e2c9370dd42b1867b5347d5e68254f427dddde3214f2fae1341ab76c7faa3a4724e1d1d43fae97d3a58

  • C:\Users\Admin\AppData\Local\Temp\u1s0.2\protactinium.log

    Filesize

    84KB

    MD5

    a276acc3fd657d7665bd4ddce8fb9749

    SHA1

    c02642eec3f4e8b0314045ee95e0a15abd853ea8

    SHA256

    6565f36d224ff27d89ad39a0d87f851f64308834d86e8a7cd02e9e1ea44187c8

    SHA512

    178476d229ff011cb1f39048acae46b42a80b2ec209b283a8237604646b09224446c5bb3a690191c4fd58813611d7c06b4fb23699cd76ad020a5d0bf4d456d79

  • C:\Users\Admin\AppData\Local\Temp\u1s0.2\run.exe

    Filesize

    446KB

    MD5

    485008b43f0edceba0e0d3ca04bc1c1a

    SHA1

    55ae8f105af415bb763d1b87f6572f078052877c

    SHA256

    12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

    SHA512

    402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

  • \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\u1s0.0.exe

    Filesize

    206KB

    MD5

    0917be53327ea132956255dcab650a82

    SHA1

    b60818917f645a8a9af3b530e3ae37c1f002be2f

    SHA256

    211c34660898480e0777c6ef6f61bf2111f6550e00b40cab859543d567dc455a

    SHA512

    a72acc24ba813d983bbf2ecab7929d0aab4e25637ae43e85b973a5105429bd15c061415fd855737620caaf81b456b2d6ba57f85566245efbe5f8b5db5560932a

  • \Users\Admin\AppData\Local\Temp\u1s0.2\ASUS_WMI.dll

    Filesize

    224KB

    MD5

    3f109a02c8d642e8003a1188df40d861

    SHA1

    f723f38471b8872443aa9177eef12a96c02cc84a

    SHA256

    6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

    SHA512

    023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

  • \Users\Admin\AppData\Local\Temp\u1s0.2\ATKEX.dll

    Filesize

    84KB

    MD5

    e68562f63265e1a70881446b4b9dc455

    SHA1

    da16ef9367bde3ce892b1a0e33bc179d8acdceb3

    SHA256

    c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

    SHA512

    6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

  • \Users\Admin\AppData\Local\Temp\u1s0.2\AsIO.dll

    Filesize

    120KB

    MD5

    f383f6f4e764619bd19e319335d3ef2b

    SHA1

    99f287e49a15e495b4ead8e5589364a5f87b357e

    SHA256

    03951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d

    SHA512

    6fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934

  • \Users\Admin\AppData\Local\Temp\u1s0.3.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • memory/1100-300-0x0000000073F60000-0x00000000740D4000-memory.dmp

    Filesize

    1.5MB

  • memory/1100-191-0x00000000773A0000-0x0000000077549000-memory.dmp

    Filesize

    1.7MB

  • memory/1936-280-0x0000000000400000-0x0000000002AF1000-memory.dmp

    Filesize

    38.9MB

  • memory/1936-298-0x0000000000400000-0x0000000002AF1000-memory.dmp

    Filesize

    38.9MB

  • memory/1936-170-0x0000000000400000-0x0000000002AF1000-memory.dmp

    Filesize

    38.9MB

  • memory/1936-50-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1976-154-0x00000000773A0000-0x0000000077549000-memory.dmp

    Filesize

    1.7MB

  • memory/1976-164-0x0000000073F60000-0x00000000740D4000-memory.dmp

    Filesize

    1.5MB

  • memory/1976-153-0x0000000073F60000-0x00000000740D4000-memory.dmp

    Filesize

    1.5MB

  • memory/2304-1-0x0000000001EA0000-0x0000000001FA0000-memory.dmp

    Filesize

    1024KB

  • memory/2304-187-0x0000000001EA0000-0x0000000001FA0000-memory.dmp

    Filesize

    1024KB

  • memory/2304-160-0x0000000000400000-0x0000000001A3C000-memory.dmp

    Filesize

    22.2MB

  • memory/2304-3-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2304-185-0x0000000000400000-0x0000000001A3C000-memory.dmp

    Filesize

    22.2MB

  • memory/2304-2-0x0000000000230000-0x000000000029D000-memory.dmp

    Filesize

    436KB

  • memory/2304-186-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2512-327-0x0000000000400000-0x00000000004C6000-memory.dmp

    Filesize

    792KB

  • memory/2512-310-0x0000000071710000-0x0000000072772000-memory.dmp

    Filesize

    16.4MB

  • memory/2512-317-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2512-318-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2616-308-0x000000001EC80000-0x000000001ED32000-memory.dmp

    Filesize

    712KB

  • memory/2616-302-0x0000000000320000-0x0000000000330000-memory.dmp

    Filesize

    64KB

  • memory/2616-307-0x000000001E8A0000-0x000000001E8CA000-memory.dmp

    Filesize

    168KB

  • memory/2616-305-0x000000001E880000-0x000000001E8A4000-memory.dmp

    Filesize

    144KB

  • memory/2616-311-0x00000000002F0000-0x00000000002FA000-memory.dmp

    Filesize

    40KB

  • memory/2616-315-0x000000001F940000-0x000000001FC40000-memory.dmp

    Filesize

    3.0MB

  • memory/2616-304-0x0000000005870000-0x0000000005884000-memory.dmp

    Filesize

    80KB

  • memory/2616-303-0x000000001DFB0000-0x000000001DFBC000-memory.dmp

    Filesize

    48KB

  • memory/2616-319-0x00000000008D0000-0x00000000008DA000-memory.dmp

    Filesize

    40KB

  • memory/2616-306-0x000000001DFC0000-0x000000001DFCA000-memory.dmp

    Filesize

    40KB

  • memory/2616-320-0x00000000008D0000-0x00000000008DA000-memory.dmp

    Filesize

    40KB

  • memory/2616-321-0x0000000005A20000-0x0000000005A2A000-memory.dmp

    Filesize

    40KB

  • memory/2616-322-0x000000001F140000-0x000000001F1A2000-memory.dmp

    Filesize

    392KB

  • memory/2616-323-0x0000000005A30000-0x0000000005A52000-memory.dmp

    Filesize

    136KB

  • memory/2616-326-0x0000000005A50000-0x0000000005A5C000-memory.dmp

    Filesize

    48KB

  • memory/2616-301-0x000000001F030000-0x000000001F13A000-memory.dmp

    Filesize

    1.0MB

  • memory/2616-299-0x00000000008F0000-0x0000000004124000-memory.dmp

    Filesize

    56.2MB

  • memory/2616-341-0x00000000008D0000-0x00000000008DA000-memory.dmp

    Filesize

    40KB

  • memory/2616-340-0x00000000008D0000-0x00000000008DA000-memory.dmp

    Filesize

    40KB

  • memory/2960-297-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB