Analysis

  • max time kernel
    124s
  • max time network
    126s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08-05-2024 23:51

General

  • Target

    257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe

  • Size

    365KB

  • MD5

    7ee08f879aa35adf10d1d6fe7b8a3748

  • SHA1

    78c3dd7fa68f89e48f9bcd5f31b14be3a35c4edb

  • SHA256

    257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f

  • SHA512

    d48815302a2d7ed70d33881508ce5e23e06500f78afeaa6c34d8d8d4cd48952ed66294659fcdfb36b15a40560553fa2726979d872505adb6613e7f515c023726

  • SSDEEP

    6144:mfcBWeUkksvXwBbM4HxlzmJp2C5kbX1Z0DR7M1jTs5gYTmWK:mfcUeGzhHxNQKX1eDR7un0mWK

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
  • 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 23 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\257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe
    "C:\Users\Admin\AppData\Local\Temp\257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4208
    • C:\Users\Admin\AppData\Local\Temp\u38w.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u38w.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3548
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3548 -s 792
        3⤵
        • Program crash
        PID:2368
    • C:\Users\Admin\AppData\Local\Temp\u38w.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u38w.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4248
      • 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:1680
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 1156
      2⤵
      • Program crash
      PID:572
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4208 -ip 4208
    1⤵
      PID:848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3548 -ip 3548
      1⤵
        PID:4048

      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

        57d7d5faea9ce360df03c2a897428616

        SHA1

        9ae2aab525c09d2640417b60353d734de69f4e13

        SHA256

        a3a5b90903727282f4801e03ede24d85d254b8c4b036d0a71bc93b896d22e7c9

        SHA512

        8f9ada499d55d5fbe88597a2c611f38bc35a66015ef9df5489b8e7efa33f0bfd44df6e3e1f0eca9668ed6cdbe92a2317e037b97861b3af2b538426207e2c9040

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

        Filesize

        3KB

        MD5

        f94f7fc9cc3ce4e18d9663f1eda82736

        SHA1

        dbdb67f86b35bf133ee6406c61b4711da241f531

        SHA256

        fe4c51aae68572651efe0d4d9ba7e9d06dbf317406194c3da902b202787a30b7

        SHA512

        7fe3f18bafd3044279c909cc40eff99f477485eb78ee5698ace70a64ba74d7152cd2c9fa2faa1ca5252a4c4d52bcab36103962199099992559cfe52f22a19e95

      • C:\Users\Admin\AppData\Local\Temp\u38w.0.exe

        Filesize

        223KB

        MD5

        ac3b1a30e96b6d89ce98a21bb5b2093a

        SHA1

        4270104678195b8cad3520a704c556155a0a65b5

        SHA256

        803946c2712aec2b60b54b3cd7c3375a9a0158e7ccbfbd4ab8a66e6ddfc7d463

        SHA512

        65e74527ffa9d6e776d063db44322080315a5a9eb13bb67acd61be6e65862ec127366d742beca349c7ca8281e2f67193bafc14c8c0ee3f222b19b452d05c8491

      • C:\Users\Admin\AppData\Local\Temp\u38w.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1680-85-0x00000140A3C80000-0x00000140A3C8E000-memory.dmp

        Filesize

        56KB

      • memory/1680-88-0x00000140A4370000-0x00000140A43D2000-memory.dmp

        Filesize

        392KB

      • memory/1680-73-0x000001409F740000-0x000001409F76A000-memory.dmp

        Filesize

        168KB

      • memory/1680-95-0x00000140A4420000-0x00000140A443E000-memory.dmp

        Filesize

        120KB

      • memory/1680-74-0x000001409F770000-0x000001409F822000-memory.dmp

        Filesize

        712KB

      • memory/1680-93-0x00000140A4360000-0x00000140A436C000-memory.dmp

        Filesize

        48KB

      • memory/1680-90-0x00000140A4B20000-0x00000140A5048000-memory.dmp

        Filesize

        5.2MB

      • memory/1680-89-0x00000140A43D0000-0x00000140A43F2000-memory.dmp

        Filesize

        136KB

      • memory/1680-87-0x00000140A45E0000-0x00000140A45EA000-memory.dmp

        Filesize

        40KB

      • memory/1680-86-0x00000140A3CA0000-0x00000140A3CA8000-memory.dmp

        Filesize

        32KB

      • memory/1680-84-0x00000140A3CB0000-0x00000140A3CE8000-memory.dmp

        Filesize

        224KB

      • memory/1680-66-0x00000140814E0000-0x0000014084D14000-memory.dmp

        Filesize

        56.2MB

      • memory/1680-67-0x000001409F400000-0x000001409F50A000-memory.dmp

        Filesize

        1.0MB

      • memory/1680-75-0x000001409F870000-0x000001409F8C0000-memory.dmp

        Filesize

        320KB

      • memory/1680-68-0x0000014086B30000-0x0000014086B40000-memory.dmp

        Filesize

        64KB

      • memory/1680-70-0x000001409F510000-0x000001409F524000-memory.dmp

        Filesize

        80KB

      • memory/1680-71-0x000001409F580000-0x000001409F5A4000-memory.dmp

        Filesize

        144KB

      • memory/1680-72-0x000001409F710000-0x000001409F71A000-memory.dmp

        Filesize

        40KB

      • memory/1680-83-0x00000140A4330000-0x00000140A4338000-memory.dmp

        Filesize

        32KB

      • memory/1680-94-0x00000140A44C0000-0x00000140A4536000-memory.dmp

        Filesize

        472KB

      • memory/1680-69-0x000001409F520000-0x000001409F52C000-memory.dmp

        Filesize

        48KB

      • memory/1680-76-0x000001409F8C0000-0x000001409F8E2000-memory.dmp

        Filesize

        136KB

      • memory/1680-77-0x0000014086B10000-0x0000014086B1A000-memory.dmp

        Filesize

        40KB

      • memory/1680-81-0x000001409F8F0000-0x000001409FBF0000-memory.dmp

        Filesize

        3.0MB

      • memory/3548-28-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3548-104-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3548-13-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3548-100-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3548-14-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3548-102-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3548-98-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/4208-36-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4208-35-0x00000000042C0000-0x000000000432C000-memory.dmp

        Filesize

        432KB

      • memory/4208-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4208-2-0x00000000042C0000-0x000000000432C000-memory.dmp

        Filesize

        432KB

      • memory/4208-34-0x0000000000400000-0x0000000002597000-memory.dmp

        Filesize

        33.6MB

      • memory/4208-1-0x0000000002820000-0x0000000002920000-memory.dmp

        Filesize

        1024KB

      • memory/4248-53-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4248-65-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB