Analysis

  • max time kernel
    133s
  • max time network
    128s
  • 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 09:50

General

  • Target

    a369bc4afec47220b6b868d01f5a2c8064c2cbe26f373430cdf908c79e8c993a.exe

  • Size

    368KB

  • MD5

    cc143dd32c69c02421ee8babefc58e71

  • SHA1

    1710667f583a80b1c5fe1a1775ade91ef9945c14

  • SHA256

    a369bc4afec47220b6b868d01f5a2c8064c2cbe26f373430cdf908c79e8c993a

  • SHA512

    424e32a3431947eaf8d18b9aa475a280314403f70ce2579ec4c01009a42d6fc886048b079e1295fffbddd767eb070c6855edfc7df2213fab265911f24d50da31

  • SSDEEP

    6144:mQLsPnj9HcQoscXDIkJUVmPdKTfVvvIFGg1w8c4lZNTpj4:DLsRxoscIeUMVCNX2Vw2lTpj4

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\a369bc4afec47220b6b868d01f5a2c8064c2cbe26f373430cdf908c79e8c993a.exe
    "C:\Users\Admin\AppData\Local\Temp\a369bc4afec47220b6b868d01f5a2c8064c2cbe26f373430cdf908c79e8c993a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4848
    • C:\Users\Admin\AppData\Local\Temp\u3qo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3qo.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4588
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 1300
        3⤵
        • Program crash
        PID:1524
    • C:\Users\Admin\AppData\Local\Temp\u3qo.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3qo.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:2864
      • 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:4360
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4848 -s 1048
      2⤵
      • Program crash
      PID:4564
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4848 -ip 4848
    1⤵
      PID:2940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4588 -ip 4588
      1⤵
        PID:368

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        3KB

        MD5

        089904417be2a735af1eb3d94fc76cd5

        SHA1

        336f908a26c512fce38622a01e5960ff19ea88b5

        SHA256

        b6c501797876dfa1f1b9bde7a9fb7bd4656f53884601d83abe05c8d64b226d0f

        SHA512

        ccd3298dd673c93145a72db4750c9743eacc21db740a44f093996b51f2b4f1bf28cc9cee7026d290b98012f72829e4053a0855e5fc83556f9e3d1d9dddf7854f

      • C:\Users\Admin\AppData\Local\Temp\u3qo.0.exe

        Filesize

        226KB

        MD5

        ef9806bb54c2f630476b88f703305415

        SHA1

        753f3ca7aec9bd521e6a5ebcb3367b782f3de810

        SHA256

        2de2db388c80aeb3ca2fb3d6d63286da28fd0e84abc9965b1e16936bc8109e1e

        SHA512

        a859a8471141b646876ec61d4b91a67d6c9ccc156d07583199d93b417d8aa3783e11244b5b9af8be1465ef1833746d5861e2036a056301a45e54579bafe3e30a

      • C:\Users\Admin\AppData\Local\Temp\u3qo.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2864-64-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2864-53-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4360-71-0x0000015B3A580000-0x0000015B3A58A000-memory.dmp

        Filesize

        40KB

      • memory/4360-75-0x0000015B3A730000-0x0000015B3A752000-memory.dmp

        Filesize

        136KB

      • memory/4360-94-0x0000015B40170000-0x0000015B4018E000-memory.dmp

        Filesize

        120KB

      • memory/4360-93-0x0000015B40210000-0x0000015B40286000-memory.dmp

        Filesize

        472KB

      • memory/4360-92-0x0000015B3FE30000-0x0000015B3FE3C000-memory.dmp

        Filesize

        48KB

      • memory/4360-89-0x0000015B40670000-0x0000015B40B98000-memory.dmp

        Filesize

        5.2MB

      • memory/4360-88-0x0000015B40120000-0x0000015B40142000-memory.dmp

        Filesize

        136KB

      • memory/4360-87-0x0000015B400C0000-0x0000015B40122000-memory.dmp

        Filesize

        392KB

      • memory/4360-86-0x0000015B3FE10000-0x0000015B3FE1A000-memory.dmp

        Filesize

        40KB

      • memory/4360-65-0x0000015B1C760000-0x0000015B1FF94000-memory.dmp

        Filesize

        56.2MB

      • memory/4360-66-0x0000015B3A8B0000-0x0000015B3A9BA000-memory.dmp

        Filesize

        1.0MB

      • memory/4360-67-0x0000015B21BF0000-0x0000015B21C00000-memory.dmp

        Filesize

        64KB

      • memory/4360-68-0x0000015B3A510000-0x0000015B3A51C000-memory.dmp

        Filesize

        48KB

      • memory/4360-69-0x0000015B21C30000-0x0000015B21C44000-memory.dmp

        Filesize

        80KB

      • memory/4360-70-0x0000015B3A560000-0x0000015B3A584000-memory.dmp

        Filesize

        144KB

      • memory/4360-85-0x0000015B3EF20000-0x0000015B3EF28000-memory.dmp

        Filesize

        32KB

      • memory/4360-72-0x0000015B3A6D0000-0x0000015B3A6FA000-memory.dmp

        Filesize

        168KB

      • memory/4360-73-0x0000015B3AB00000-0x0000015B3ABB2000-memory.dmp

        Filesize

        712KB

      • memory/4360-74-0x0000015B3ABB0000-0x0000015B3AC00000-memory.dmp

        Filesize

        320KB

      • memory/4360-84-0x0000015B3EF00000-0x0000015B3EF0E000-memory.dmp

        Filesize

        56KB

      • memory/4360-76-0x0000015B3A590000-0x0000015B3A59A000-memory.dmp

        Filesize

        40KB

      • memory/4360-80-0x0000015B3AC00000-0x0000015B3AF00000-memory.dmp

        Filesize

        3.0MB

      • memory/4360-82-0x0000015B3EFB0000-0x0000015B3EFB8000-memory.dmp

        Filesize

        32KB

      • memory/4360-83-0x0000015B3EF30000-0x0000015B3EF68000-memory.dmp

        Filesize

        224KB

      • memory/4588-14-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4588-103-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4588-101-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4588-15-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4588-51-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4588-13-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4588-99-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4588-97-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4848-1-0x0000000001A90000-0x0000000001B90000-memory.dmp

        Filesize

        1024KB

      • memory/4848-35-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4848-34-0x0000000000400000-0x0000000001A26000-memory.dmp

        Filesize

        22.1MB

      • memory/4848-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4848-2-0x0000000003660000-0x00000000036CC000-memory.dmp

        Filesize

        432KB