Analysis

  • max time kernel
    132s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 17:44

General

  • Target

    d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03.exe

  • Size

    416KB

  • MD5

    0251b972016cb69c049602a3d2aa3ff7

  • SHA1

    24847d133682d9d820dc8163019359927b6d71c2

  • SHA256

    d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03

  • SHA512

    523e359293557144d8c4dc09a6196e4eae5cfa9d11bd8d1353ca8dc347415f019436505fb72e0a5f0332e3ea24fcb97440fce1f64ea0d7ab868d6fd81eb9f77d

  • SSDEEP

    6144:EkIIKkd5F7LcRmt5tuGEBQ4ZHXbA/3TntkIKcqFWWgfLR8tai6:E3DkzF7gmt5tuPBQ6LO3btbKnuLWtf6

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
  • 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 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\d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03.exe
    "C:\Users\Admin\AppData\Local\Temp\d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Users\Admin\AppData\Local\Temp\u1tg.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1tg.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 2488
        3⤵
        • Program crash
        PID:2540
    • C:\Users\Admin\AppData\Local\Temp\u1tg.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1tg.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:4344
      • 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:4316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 1156
      2⤵
      • Program crash
      PID:4960
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2356 -ip 2356
    1⤵
      PID:2372
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3976 -ip 3976
      1⤵
        PID:1768

      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

        2KB

        MD5

        fb4a2c275c1c079f970bf0a8d0256fff

        SHA1

        417e96920fdb96c40a133c0909e3a5ca7f85c5b9

        SHA256

        7d96c3002b8437155d996514a6df6e022f5d0633877669ccc2b1145b61d1bca8

        SHA512

        1cf03cf91984cbd90eca27b79688c0131b5b6b32001c461f2317b754f5abc7060dd729df8d5aa2e70f2daeec68e4e7c15b7a9d9a45dfa14917019654048ed195

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

        Filesize

        3KB

        MD5

        2bfe63286417016fce98c1ee37276929

        SHA1

        9bd2ae475f6fc62763f8585509e738417449971a

        SHA256

        ad5368d54d131d4fe35251887c90a5ccbceef1ed70f58e2914ad8ba9ef055b81

        SHA512

        e3f3f19351558d12995f35114f9fa4a2a3abab6161d118a3fd079026b6f88ebe429c256bc5f6e60cb6be3d9b831ee18ac2bf8ce00185b3aa473f5bb4d07f6ea9

      • C:\Users\Admin\AppData\Local\Temp\u1tg.0.exe

        Filesize

        266KB

        MD5

        6bab6de801426725e2bfb5fe5e618be3

        SHA1

        a95566e6494f403bee7ba8f87740afb7b2390a71

        SHA256

        ecaa6655bef1c90bf1fa78e326b9df7561a7df156315f1ce1abef710ea925104

        SHA512

        6e9940f12e2bca37d3df5e35627a013a42229a5a91c6393a712f955e3450b0edd4dbb161c43b61905a0e16e778d91a5880d9e2e65958c09b77252e117c6cb101

      • C:\Users\Admin\AppData\Local\Temp\u1tg.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2356-28-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2356-27-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/2356-1-0x0000000001D80000-0x0000000001E80000-memory.dmp

        Filesize

        1024KB

      • memory/2356-29-0x0000000001CD0000-0x0000000001D3C000-memory.dmp

        Filesize

        432KB

      • memory/2356-2-0x0000000001CD0000-0x0000000001D3C000-memory.dmp

        Filesize

        432KB

      • memory/2356-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3976-34-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/3976-164-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/3976-50-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/3976-51-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3976-112-0x0000000000400000-0x0000000002AFF000-memory.dmp

        Filesize

        39.0MB

      • memory/4316-114-0x000001CFE43F0000-0x000001CFE44A2000-memory.dmp

        Filesize

        712KB

      • memory/4316-129-0x000001CFE8870000-0x000001CFE887E000-memory.dmp

        Filesize

        56KB

      • memory/4316-111-0x000001CFE3DA0000-0x000001CFE3DC4000-memory.dmp

        Filesize

        144KB

      • memory/4316-113-0x000001CFE3DD0000-0x000001CFE3DDA000-memory.dmp

        Filesize

        40KB

      • memory/4316-109-0x000001CFE3D40000-0x000001CFE3D4C000-memory.dmp

        Filesize

        48KB

      • memory/4316-115-0x000001CFE44F0000-0x000001CFE4540000-memory.dmp

        Filesize

        320KB

      • memory/4316-108-0x000001CFC8EA0000-0x000001CFC8EB0000-memory.dmp

        Filesize

        64KB

      • memory/4316-116-0x000001CFE4150000-0x000001CFE417A000-memory.dmp

        Filesize

        168KB

      • memory/4316-117-0x000001CFE4540000-0x000001CFE4562000-memory.dmp

        Filesize

        136KB

      • memory/4316-118-0x000001CFE3DE0000-0x000001CFE3DEA000-memory.dmp

        Filesize

        40KB

      • memory/4316-122-0x000001CFE4570000-0x000001CFE4870000-memory.dmp

        Filesize

        3.0MB

      • memory/4316-127-0x000001CFE8F60000-0x000001CFE8F68000-memory.dmp

        Filesize

        32KB

      • memory/4316-128-0x000001CFE88A0000-0x000001CFE88D8000-memory.dmp

        Filesize

        224KB

      • memory/4316-110-0x000001CFE3D30000-0x000001CFE3D44000-memory.dmp

        Filesize

        80KB

      • memory/4316-130-0x000001CFE8890000-0x000001CFE8898000-memory.dmp

        Filesize

        32KB

      • memory/4316-131-0x000001CFE9A10000-0x000001CFE9A1A000-memory.dmp

        Filesize

        40KB

      • memory/4316-132-0x000001CFE9A30000-0x000001CFE9A92000-memory.dmp

        Filesize

        392KB

      • memory/4316-133-0x000001CFE9A90000-0x000001CFE9AB2000-memory.dmp

        Filesize

        136KB

      • memory/4316-137-0x000001CFE9FE0000-0x000001CFEA508000-memory.dmp

        Filesize

        5.2MB

      • memory/4316-107-0x000001CFE41A0000-0x000001CFE42AA000-memory.dmp

        Filesize

        1.0MB

      • memory/4316-100-0x000001CFC5270000-0x000001CFC8AA4000-memory.dmp

        Filesize

        56.2MB

      • memory/4316-154-0x000001CFE9790000-0x000001CFE979C000-memory.dmp

        Filesize

        48KB

      • memory/4316-165-0x000001CFE4890000-0x000001CFE48AE000-memory.dmp

        Filesize

        120KB

      • memory/4316-163-0x000001CFE9870000-0x000001CFE98E6000-memory.dmp

        Filesize

        472KB

      • memory/4344-84-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4344-99-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB