Analysis

  • max time kernel
    131s
  • max time network
    127s
  • 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, 06:48

General

  • Target

    c6412c0af961d867d36b3b4c328722ce8069de0d9a9372a02dc50dbdbd45b0e3.exe

  • Size

    367KB

  • MD5

    f09b93a6acda058847e36ab92946902f

  • SHA1

    75fad2559f5cd43359a34791c85e480634d3916d

  • SHA256

    c6412c0af961d867d36b3b4c328722ce8069de0d9a9372a02dc50dbdbd45b0e3

  • SHA512

    abc4e98a411f9a5190ef1dd82238e7af1c7b15df8a91dfb471203f11e6aa6181ca6c7f07c1ac1bb6bc6581bc8a09dbad64d7e89ecb9a30258fd70d718c0a5f9e

  • SSDEEP

    6144:Jfvea1snS42x5pK0JcR4DypPotYhIiMuiEIMmH8d/zKXT8g8:Bvea1snS425K0JcRhuNiMEO8pe8g8

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\c6412c0af961d867d36b3b4c328722ce8069de0d9a9372a02dc50dbdbd45b0e3.exe
    "C:\Users\Admin\AppData\Local\Temp\c6412c0af961d867d36b3b4c328722ce8069de0d9a9372a02dc50dbdbd45b0e3.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:944
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 944 -s 828
        3⤵
        • Program crash
        PID:3680
    • 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:748
      • 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:4764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 1216
      2⤵
      • Program crash
      PID:4868
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1636 -ip 1636
    1⤵
      PID:4336
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 944 -ip 944
      1⤵
        PID:972

      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

        cd4bf71c4fa2a39f644ea8b0beb69bd3

        SHA1

        79fca482248f5985ba832c28526a9365767d3ae7

        SHA256

        b395aa38ba5d6ed94da8bfbfd516361357c6056985c0efb197ee83669a1ec153

        SHA512

        6fc6bad832e2a9be46dc8673c592514dacbe85bc92082f3e4fcf440982ab956714b76b65646169574a1c64252018cd661c7f5b40436f9e17ffc52b098dd66efd

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

        Filesize

        226KB

        MD5

        6891c527d4d65692716c149981e770ff

        SHA1

        ac4ba0be44795c437f860d710bdd0e3157d17caf

        SHA256

        b37a558c37740094e51a1b04fa05280e3f28b2592f5881d96ae5f5a05e2c5902

        SHA512

        1195f321c53df745aec5350e606293507f89e8f3dce3b1c58244f6a6eb9de5cdacdc222960663f7b3e03be69804bbbf8905764c2d1a21dc745e21edba9112e15

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

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/748-64-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/748-54-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/944-13-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/944-14-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/944-51-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/944-104-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/944-102-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/944-100-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/944-97-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/1636-31-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1636-30-0x0000000003660000-0x00000000036CC000-memory.dmp

        Filesize

        432KB

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

        Filesize

        22.1MB

      • memory/1636-1-0x0000000001CC0000-0x0000000001DC0000-memory.dmp

        Filesize

        1024KB

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

        Filesize

        444KB

      • memory/1636-2-0x0000000003660000-0x00000000036CC000-memory.dmp

        Filesize

        432KB

      • memory/4764-71-0x0000027E9B1E0000-0x0000027E9B1EA000-memory.dmp

        Filesize

        40KB

      • memory/4764-84-0x0000027EFEDA0000-0x0000027EFEDAE000-memory.dmp

        Filesize

        56KB

      • memory/4764-69-0x0000027E9B1C0000-0x0000027E9B1D4000-memory.dmp

        Filesize

        80KB

      • memory/4764-72-0x0000027E9B270000-0x0000027E9B29A000-memory.dmp

        Filesize

        168KB

      • memory/4764-73-0x0000027E9B610000-0x0000027E9B6C2000-memory.dmp

        Filesize

        712KB

      • memory/4764-74-0x0000027EFEDF0000-0x0000027EFEE40000-memory.dmp

        Filesize

        320KB

      • memory/4764-75-0x0000027EFEE70000-0x0000027EFEE92000-memory.dmp

        Filesize

        136KB

      • memory/4764-76-0x0000027E9B260000-0x0000027E9B26A000-memory.dmp

        Filesize

        40KB

      • memory/4764-80-0x0000027E9B6C0000-0x0000027E9B9C0000-memory.dmp

        Filesize

        3.0MB

      • memory/4764-82-0x0000027EFEC10000-0x0000027EFEC18000-memory.dmp

        Filesize

        32KB

      • memory/4764-83-0x0000027EFEEA0000-0x0000027EFEED8000-memory.dmp

        Filesize

        224KB

      • memory/4764-70-0x0000027E9B240000-0x0000027E9B264000-memory.dmp

        Filesize

        144KB

      • memory/4764-85-0x0000027EFEDB0000-0x0000027EFEDB8000-memory.dmp

        Filesize

        32KB

      • memory/4764-86-0x0000027E9FA90000-0x0000027E9FA9A000-memory.dmp

        Filesize

        40KB

      • memory/4764-87-0x0000027EA0BA0000-0x0000027EA0C02000-memory.dmp

        Filesize

        392KB

      • memory/4764-88-0x0000027E9FAB0000-0x0000027E9FAD2000-memory.dmp

        Filesize

        136KB

      • memory/4764-89-0x0000027EA1130000-0x0000027EA1658000-memory.dmp

        Filesize

        5.2MB

      • memory/4764-92-0x0000027E9FAD0000-0x0000027E9FADC000-memory.dmp

        Filesize

        48KB

      • memory/4764-93-0x0000027EFEFD0000-0x0000027EFF046000-memory.dmp

        Filesize

        472KB

      • memory/4764-95-0x0000027EFEE40000-0x0000027EFEE5E000-memory.dmp

        Filesize

        120KB

      • memory/4764-68-0x0000027E9B1D0000-0x0000027E9B1DC000-memory.dmp

        Filesize

        48KB

      • memory/4764-67-0x0000027E9A0F0000-0x0000027E9A100000-memory.dmp

        Filesize

        64KB

      • memory/4764-66-0x0000027E9B3C0000-0x0000027E9B4CA000-memory.dmp

        Filesize

        1.0MB

      • memory/4764-65-0x0000027F00000000-0x0000027F03834000-memory.dmp

        Filesize

        56.2MB