Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 21:57

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#.

  • Detect binaries embedding considerable number of MFA browser extension IDs. 3 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 3 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 3 IoCs
  • Detects encrypted or obfuscated .NET executables 1 IoCs
  • 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
  • Loads dropped DLL 2 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.

  • 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 27 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:948
    • C:\Users\Admin\AppData\Local\Temp\uqc.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uqc.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4652
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 2156
        3⤵
        • Program crash
        PID:4772
    • C:\Users\Admin\AppData\Local\Temp\uqc.1.exe
      "C:\Users\Admin\AppData\Local\Temp\uqc.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:2364
      • 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:3940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 948 -s 1580
      2⤵
      • Program crash
      PID:2820
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 948 -ip 948
    1⤵
      PID:4588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4652 -ip 4652
      1⤵
        PID:1100

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Are.docx

        Filesize

        11KB

        MD5

        a33e5b189842c5867f46566bdbf7a095

        SHA1

        e1c06359f6a76da90d19e8fd95e79c832edb3196

        SHA256

        5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

        SHA512

        f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

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

        Filesize

        3KB

        MD5

        f2844e09c1f71d1f76c69a6eca5be740

        SHA1

        c502fa7b9a06860a8d7cbcb5b51d121f65f738a7

        SHA256

        bb89afc1f9ed1eecc7f88df7c763dec13d7cb1400965922743ca006fa55f1075

        SHA512

        f9ba8bd6df8a4633c781ad008d0e007d2ff67a88c4086cd9c0da540c5d496f0e8c30455e2c35de76e99e4315b98b0bf606c01dbff416fb32d3dd34c07ebba081

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

        Filesize

        206KB

        MD5

        0917be53327ea132956255dcab650a82

        SHA1

        b60818917f645a8a9af3b530e3ae37c1f002be2f

        SHA256

        211c34660898480e0777c6ef6f61bf2111f6550e00b40cab859543d567dc455a

        SHA512

        a72acc24ba813d983bbf2ecab7929d0aab4e25637ae43e85b973a5105429bd15c061415fd855737620caaf81b456b2d6ba57f85566245efbe5f8b5db5560932a

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

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/948-32-0x0000000003650000-0x00000000036BC000-memory.dmp

        Filesize

        432KB

      • memory/948-31-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/948-30-0x0000000000400000-0x0000000001A26000-memory.dmp

        Filesize

        22.1MB

      • memory/948-1-0x0000000001C70000-0x0000000001D70000-memory.dmp

        Filesize

        1024KB

      • memory/948-2-0x0000000003650000-0x00000000036BC000-memory.dmp

        Filesize

        432KB

      • memory/948-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2364-52-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2364-64-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3940-74-0x000001F0BD490000-0x000001F0BD4E0000-memory.dmp

        Filesize

        320KB

      • memory/3940-87-0x000001F0C29C0000-0x000001F0C2A22000-memory.dmp

        Filesize

        392KB

      • memory/3940-70-0x000001F0BCE90000-0x000001F0BCEB4000-memory.dmp

        Filesize

        144KB

      • memory/3940-71-0x000001F0A3800000-0x000001F0A380A000-memory.dmp

        Filesize

        40KB

      • memory/3940-73-0x000001F0BD3E0000-0x000001F0BD492000-memory.dmp

        Filesize

        712KB

      • memory/3940-72-0x000001F0BCFD0000-0x000001F0BCFFA000-memory.dmp

        Filesize

        168KB

      • memory/3940-68-0x000001F0A37F0000-0x000001F0A37FC000-memory.dmp

        Filesize

        48KB

      • memory/3940-75-0x000001F0BD030000-0x000001F0BD052000-memory.dmp

        Filesize

        136KB

      • memory/3940-76-0x000001F0A3860000-0x000001F0A386A000-memory.dmp

        Filesize

        40KB

      • memory/3940-80-0x000001F0BD4E0000-0x000001F0BD7E0000-memory.dmp

        Filesize

        3.0MB

      • memory/3940-82-0x000001F0C1180000-0x000001F0C1188000-memory.dmp

        Filesize

        32KB

      • memory/3940-83-0x000001F0C1880000-0x000001F0C18B8000-memory.dmp

        Filesize

        224KB

      • memory/3940-84-0x000001F0C1850000-0x000001F0C185E000-memory.dmp

        Filesize

        56KB

      • memory/3940-85-0x000001F0C1870000-0x000001F0C1878000-memory.dmp

        Filesize

        32KB

      • memory/3940-86-0x000001F0C29A0000-0x000001F0C29AA000-memory.dmp

        Filesize

        40KB

      • memory/3940-69-0x000001F0A37E0000-0x000001F0A37F4000-memory.dmp

        Filesize

        80KB

      • memory/3940-88-0x000001F0C2720000-0x000001F0C2742000-memory.dmp

        Filesize

        136KB

      • memory/3940-89-0x000001F0C2F50000-0x000001F0C3478000-memory.dmp

        Filesize

        5.2MB

      • memory/3940-92-0x000001F0C2740000-0x000001F0C274C000-memory.dmp

        Filesize

        48KB

      • memory/3940-93-0x000001F0C2820000-0x000001F0C2896000-memory.dmp

        Filesize

        472KB

      • memory/3940-65-0x000001F09E200000-0x000001F0A1A34000-memory.dmp

        Filesize

        56.2MB

      • memory/3940-66-0x000001F0BD190000-0x000001F0BD29A000-memory.dmp

        Filesize

        1.0MB

      • memory/3940-131-0x000001F0C2780000-0x000001F0C279E000-memory.dmp

        Filesize

        120KB

      • memory/3940-67-0x000001F0A37D0000-0x000001F0A37E0000-memory.dmp

        Filesize

        64KB

      • memory/4652-95-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4652-166-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/4652-179-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/4652-94-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/4652-185-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB