Analysis

  • max time kernel
    283s
  • max time network
    289s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06-05-2024 05:17

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 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 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:1968
    • C:\Users\Admin\AppData\Local\Temp\u1io.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1io.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3040
    • C:\Users\Admin\AppData\Local\Temp\u1io.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u1io.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:1032
      • 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:632
        • 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:1708
    • C:\Users\Admin\AppData\Local\Temp\u1io.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u1io.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2640
      • 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:1076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\a34b5051478c01d83934dd5b0120757f7e5ff041b03ce291cb3621788d299269\80f2a1748c914abb8b8d7ce465bd0f94.tmp

    Filesize

    1KB

    MD5

    be2770c104b62ac103f22e5123b456b9

    SHA1

    4393bf02b282a36076177aac4700f9b8b740e0cb

    SHA256

    42a7ed247ca36e0c597276c1dc1115b181877162aeb3d940579c5f2a2d21ef17

    SHA512

    7dc61f7ad2108024d624378219532b120801f17fca219330ccec35b5ded868c62f86e19d5baeb734d44846273ee1837caf8a791044f7f60f2afd347608335eab

  • C:\Users\Admin\AppData\Local\Temp\U1IO1~1.ZIP

    Filesize

    1.6MB

    MD5

    9bb67e904ac371b5ffd143f8fb54e1e2

    SHA1

    58009e463133af8b89b59716fe255b118eca872c

    SHA256

    44afbc66f029be48db5d01678a0af7baf541e4a61d4b07391aa0470f0a961ded

    SHA512

    573c196dc87a1d3ea22b3ebdd2be1e4fbfbd3ea431694ec5e503f5cc6717b7d63a478c5c981ba5b467176aadd352c92f1d026b60a28b8ff76390af6903c1cdc0

  • C:\Users\Admin\AppData\Local\Temp\ac654169

    Filesize

    1.4MB

    MD5

    4b16c8850b7911b06d845c2bd7366fb4

    SHA1

    0b109a99c66398e36f91690f2efcf424eea38009

    SHA256

    c764874cc9331db1c9685b4a32367e0f1bc231bf2a9ff8fca842795ce3433765

    SHA512

    8720630a64f68193173a92d41cd9d69372e36234358c451006a5a1148ad952e75fbf9cf732fa5dbf954e94dc9b2b22841861dfa7031a6ad981665d70e651719e

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

    Filesize

    2KB

    MD5

    484f9000dad94f8b179d5523e3da4dd6

    SHA1

    8940d7eb97bd4bf54919be0acfe339a2e173029f

    SHA256

    0e4cbac7d6a9f92a618aa6fa88eb336a9ed1129ff3905e1086bb0e9ccf1c943a

    SHA512

    8a79255374b524fe19edb26d08e2579d9086dd6ebb64b0954941cbb82dde20880295672e254006beeb17f14d88cb24c1d30a7399cb0fe545e0c54a70199d6e69

  • C:\Users\Admin\AppData\Local\Temp\tmp9C40.tmp

    Filesize

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u1io.2\ASUS_WMI.dll

    Filesize

    224KB

    MD5

    3f109a02c8d642e8003a1188df40d861

    SHA1

    f723f38471b8872443aa9177eef12a96c02cc84a

    SHA256

    6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

    SHA512

    023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

  • C:\Users\Admin\AppData\Local\Temp\u1io.2\ATKEX.dll

    Filesize

    84KB

    MD5

    e68562f63265e1a70881446b4b9dc455

    SHA1

    da16ef9367bde3ce892b1a0e33bc179d8acdceb3

    SHA256

    c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

    SHA512

    6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

  • C:\Users\Admin\AppData\Local\Temp\u1io.2\AsIO.dll

    Filesize

    120KB

    MD5

    f383f6f4e764619bd19e319335d3ef2b

    SHA1

    99f287e49a15e495b4ead8e5589364a5f87b357e

    SHA256

    03951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d

    SHA512

    6fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934

  • C:\Users\Admin\AppData\Local\Temp\u1io.2\doubled.doc

    Filesize

    1.2MB

    MD5

    f344794dc910dc343f92ded2c6b5e0ab

    SHA1

    e5878518ce55ce5bd1890d5e04a82eb22d5a848a

    SHA256

    3cf94707697ce0141960b05a15cbd3c3b791196995b1d21c4ff6bfb59997e235

    SHA512

    ee00ad0c728c750b6c75001ba52df7ef367bebf1cbc01e2c9370dd42b1867b5347d5e68254f427dddde3214f2fae1341ab76c7faa3a4724e1d1d43fae97d3a58

  • C:\Users\Admin\AppData\Local\Temp\u1io.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\u1io.0.exe

    Filesize

    275KB

    MD5

    31c1bdc2c9075e8c2eab9353c41c117f

    SHA1

    ab28fb009dc8c2fa244c773760109e38711b1025

    SHA256

    4e08b9b37494a1917d2ab809fff59b3a45673a80d25587e51c8749331bb56233

    SHA512

    78b995611e33b441e9ebaeecbbce3ec96bbfcac7f71bd0f639ab1e3394900be5c80893dfc8957b696609eca7ce1933d58f026c7be389795f0dcc72ad3fc35593

  • \Users\Admin\AppData\Local\Temp\u1io.2\run.exe

    Filesize

    446KB

    MD5

    485008b43f0edceba0e0d3ca04bc1c1a

    SHA1

    55ae8f105af415bb763d1b87f6572f078052877c

    SHA256

    12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

    SHA512

    402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

  • \Users\Admin\AppData\Local\Temp\u1io.3.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • memory/632-244-0x00000000777E0000-0x0000000077989000-memory.dmp

    Filesize

    1.7MB

  • memory/632-319-0x0000000074390000-0x0000000074504000-memory.dmp

    Filesize

    1.5MB

  • memory/1032-149-0x00000000777E0000-0x0000000077989000-memory.dmp

    Filesize

    1.7MB

  • memory/1032-148-0x0000000074390000-0x0000000074504000-memory.dmp

    Filesize

    1.5MB

  • memory/1032-227-0x0000000074390000-0x0000000074504000-memory.dmp

    Filesize

    1.5MB

  • memory/1076-293-0x0000000000AE0000-0x0000000000AEC000-memory.dmp

    Filesize

    48KB

  • memory/1076-302-0x0000000000370000-0x000000000037A000-memory.dmp

    Filesize

    40KB

  • memory/1076-318-0x0000000000390000-0x000000000039A000-memory.dmp

    Filesize

    40KB

  • memory/1076-291-0x000000001F2E0000-0x000000001F3F0000-memory.dmp

    Filesize

    1.1MB

  • memory/1076-313-0x0000000000AD0000-0x0000000000ADC000-memory.dmp

    Filesize

    48KB

  • memory/1076-292-0x0000000000570000-0x0000000000580000-memory.dmp

    Filesize

    64KB

  • memory/1076-294-0x0000000000790000-0x00000000007A4000-memory.dmp

    Filesize

    80KB

  • memory/1076-295-0x0000000005AF0000-0x0000000005B14000-memory.dmp

    Filesize

    144KB

  • memory/1076-297-0x000000001E040000-0x000000001E04A000-memory.dmp

    Filesize

    40KB

  • memory/1076-299-0x000000001E280000-0x000000001E332000-memory.dmp

    Filesize

    712KB

  • memory/1076-298-0x000000001E060000-0x000000001E08A000-memory.dmp

    Filesize

    168KB

  • memory/1076-300-0x000000001E800000-0x000000001E87A000-memory.dmp

    Filesize

    488KB

  • memory/1076-301-0x0000000000B80000-0x0000000000BE2000-memory.dmp

    Filesize

    392KB

  • memory/1076-243-0x0000000000C50000-0x0000000004548000-memory.dmp

    Filesize

    57.0MB

  • memory/1076-306-0x0000000020200000-0x0000000020500000-memory.dmp

    Filesize

    3.0MB

  • memory/1076-308-0x0000000000390000-0x000000000039A000-memory.dmp

    Filesize

    40KB

  • memory/1076-309-0x0000000000560000-0x000000000056A000-memory.dmp

    Filesize

    40KB

  • memory/1076-310-0x0000000000AB0000-0x0000000000AD2000-memory.dmp

    Filesize

    136KB

  • memory/1708-329-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/1708-330-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/1708-328-0x0000000072D60000-0x0000000073DC2000-memory.dmp

    Filesize

    16.4MB

  • memory/1708-331-0x0000000000400000-0x00000000004C6000-memory.dmp

    Filesize

    792KB

  • memory/1968-1-0x0000000000400000-0x0000000002B2D000-memory.dmp

    Filesize

    39.2MB

  • memory/1968-178-0x0000000000400000-0x0000000002B2D000-memory.dmp

    Filesize

    39.2MB

  • memory/2640-242-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/3040-230-0x0000000000400000-0x0000000001A0F000-memory.dmp

    Filesize

    22.1MB

  • memory/3040-326-0x0000000000400000-0x0000000001A0F000-memory.dmp

    Filesize

    22.1MB

  • memory/3040-98-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB