Analysis

  • max time kernel
    133s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 09:45

General

  • Target

    5b6626d7475ea918ab383b130e556cd0fdc9673845000e4316e94cdc4209da63.exe

  • Size

    368KB

  • MD5

    b8aed504bddd0561e3d39aa6415a0f33

  • SHA1

    b9bbdaa4a94bc140e94030992a12f879926e6e79

  • SHA256

    5b6626d7475ea918ab383b130e556cd0fdc9673845000e4316e94cdc4209da63

  • SHA512

    ae57aaf0bd154aa2b4c3452b48b0401d16512b6ceac4638bc1677569149977efe1f77125bef7459802e948acd6853f30fe921785fc9af255cf7bb43ed4af7dd0

  • SSDEEP

    6144:mQLsPnj9HcQoscXDIkJUVmPdKTfVvvIFGg1w8c4lZNTpj1:DLsRxoscIeUMVCNX2Vw2lTpj1

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • 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 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b6626d7475ea918ab383b130e556cd0fdc9673845000e4316e94cdc4209da63.exe
    "C:\Users\Admin\AppData\Local\Temp\5b6626d7475ea918ab383b130e556cd0fdc9673845000e4316e94cdc4209da63.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Users\Admin\AppData\Local\Temp\u19g.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u19g.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:436
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 436 -s 1304
        3⤵
        • Program crash
        PID:5012
    • C:\Users\Admin\AppData\Local\Temp\u19g.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u19g.1.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1788
      • 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
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 1212
      2⤵
      • Program crash
      PID:4720
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1636 -ip 1636
    1⤵
      PID:2092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 436 -ip 436
      1⤵
        PID:4348

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2KB

        MD5

        a58fb723f4e698d4bb6bd5f3a678f654

        SHA1

        d12fbb3c78dfab5a97e5c6047bf41c1f9300f4c8

        SHA256

        0967179a01a9114b4298f0cdcd720bb62f54f9700b8b696e15e7ab553f7ddcfc

        SHA512

        b1a5af5cc79b953c064f86cd2a159333cf8aa347ff835e7bcd3e7baa4cf3fabd9b8b8ce3aef5927be904e6db6d65a680a2332a785cf0dd11ba299f419eac0c62

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

        Filesize

        3KB

        MD5

        cc91b75ee4abe2b43c7d684514c0da65

        SHA1

        f1f35f277ba622cdd9e4fc1b844348c6945bd82b

        SHA256

        abef7d7dcda0eae32a0c6937084b69e44be97b6a8eda638f4989cc24e6736062

        SHA512

        b41f7a0bc850dec6f4c799464190e436c7f1c0b1d9091bce2b5e6a12fc1ae89fd4383947ed76da037e83c715a07a5fb0ddeec59b1582eb77a942055500db3c67

      • C:\Users\Admin\AppData\Local\Temp\u19g.0.exe

        Filesize

        226KB

        MD5

        ef9806bb54c2f630476b88f703305415

        SHA1

        753f3ca7aec9bd521e6a5ebcb3367b782f3de810

        SHA256

        2de2db388c80aeb3ca2fb3d6d63286da28fd0e84abc9965b1e16936bc8109e1e

        SHA512

        a859a8471141b646876ec61d4b91a67d6c9ccc156d07583199d93b417d8aa3783e11244b5b9af8be1465ef1833746d5861e2036a056301a45e54579bafe3e30a

      • C:\Users\Admin\AppData\Local\Temp\u19g.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/436-96-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/436-99-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/436-13-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/436-14-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/436-101-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/436-103-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/1636-29-0x0000000000400000-0x0000000001A26000-memory.dmp

        Filesize

        22.1MB

      • memory/1636-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1636-30-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1636-1-0x0000000001A90000-0x0000000001B90000-memory.dmp

        Filesize

        1024KB

      • memory/1636-2-0x0000000003640000-0x00000000036AC000-memory.dmp

        Filesize

        432KB

      • memory/1788-51-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1788-63-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4680-72-0x0000022C77B40000-0x0000022C77BF2000-memory.dmp

        Filesize

        712KB

      • memory/4680-83-0x0000022C7BFF0000-0x0000022C7BFFE000-memory.dmp

        Filesize

        56KB

      • memory/4680-70-0x0000022C77890000-0x0000022C7789A000-memory.dmp

        Filesize

        40KB

      • memory/4680-68-0x0000022C77480000-0x0000022C77494000-memory.dmp

        Filesize

        80KB

      • memory/4680-71-0x0000022C77B10000-0x0000022C77B3A000-memory.dmp

        Filesize

        168KB

      • memory/4680-73-0x0000022C77C40000-0x0000022C77C90000-memory.dmp

        Filesize

        320KB

      • memory/4680-74-0x0000022C77C90000-0x0000022C77CB2000-memory.dmp

        Filesize

        136KB

      • memory/4680-75-0x0000022C778A0000-0x0000022C778AA000-memory.dmp

        Filesize

        40KB

      • memory/4680-79-0x0000022C77CC0000-0x0000022C77FC0000-memory.dmp

        Filesize

        3.0MB

      • memory/4680-81-0x0000022C7C6E0000-0x0000022C7C6E8000-memory.dmp

        Filesize

        32KB

      • memory/4680-82-0x0000022C7C020000-0x0000022C7C058000-memory.dmp

        Filesize

        224KB

      • memory/4680-69-0x0000022C77870000-0x0000022C77894000-memory.dmp

        Filesize

        144KB

      • memory/4680-84-0x0000022C7C010000-0x0000022C7C018000-memory.dmp

        Filesize

        32KB

      • memory/4680-85-0x0000022C7D190000-0x0000022C7D19A000-memory.dmp

        Filesize

        40KB

      • memory/4680-86-0x0000022C7D1B0000-0x0000022C7D212000-memory.dmp

        Filesize

        392KB

      • memory/4680-87-0x0000022C7D210000-0x0000022C7D232000-memory.dmp

        Filesize

        136KB

      • memory/4680-88-0x0000022C7D760000-0x0000022C7DC88000-memory.dmp

        Filesize

        5.2MB

      • memory/4680-92-0x0000022C7CF10000-0x0000022C7CF1C000-memory.dmp

        Filesize

        48KB

      • memory/4680-93-0x0000022C7CFF0000-0x0000022C7D066000-memory.dmp

        Filesize

        472KB

      • memory/4680-94-0x0000022C7CF50000-0x0000022C7CF6E000-memory.dmp

        Filesize

        120KB

      • memory/4680-66-0x0000022C5ED50000-0x0000022C5ED60000-memory.dmp

        Filesize

        64KB

      • memory/4680-67-0x0000022C77610000-0x0000022C7761C000-memory.dmp

        Filesize

        48KB

      • memory/4680-65-0x0000022C77760000-0x0000022C7786A000-memory.dmp

        Filesize

        1.0MB

      • memory/4680-64-0x0000022C59850000-0x0000022C5D084000-memory.dmp

        Filesize

        56.2MB