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Analysis

  • max time kernel
    139s
  • max time network
    139s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09/05/2024, 15:47

General

  • Target

    25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c.exe

  • Size

    382KB

  • MD5

    6b68f67dce69cec28b7d86cf293edce9

  • SHA1

    02bb5634c25be1e28e5024a3d7bc9637dcb4ed2b

  • SHA256

    25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c

  • SHA512

    348551193c07b7d22557e0ef449e12aff309b2844b05153a2669b433760c662569794ea77ee29ec1fb92f72e27134c3d02d81aa7dc1757abde5f5dfb8bd3e8d4

  • SSDEEP

    6144:6vNgu2vVzeAvNremF2xnbfS13eB43pvuL7HpyEeJKXK:6vNL2vVSzmQxnbf4mCSHpy9JKXK

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 21 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\25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c.exe
    "C:\Users\Admin\AppData\Local\Temp\25e0a373d37e3e98f1f8a811b7fcbb59ef58bf1aa07b4868d23fbd28c997615c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Users\Admin\AppData\Local\Temp\u1sg.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1sg.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 800
        3⤵
        • Program crash
        PID:2856
    • C:\Users\Admin\AppData\Local\Temp\u1sg.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1sg.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1652
      • 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:3616
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 1516
      2⤵
      • Program crash
      PID:2312
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2320 -ip 2320
    1⤵
      PID:2424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3216 -ip 3216
      1⤵
        PID:360

      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

        577fb6926140122272a7331d51d24637

        SHA1

        611c89a920042951a39c422b73955b12f1636e76

        SHA256

        273620ae4e9fa79d53fcefdbd051ce0e7d292017ee7d672215c863198294fbb5

        SHA512

        d278da4b77fdc2d22aed48a682293372c37a32ff4dde0d29f97abe66ec5033f34e81e74edba3719ae162000ae7f5e7a43ef0d86a4286e40001e91402c73c190b

      • C:\Users\Admin\AppData\Local\Temp\u1sg.0.exe

        Filesize

        218KB

        MD5

        967d1d2071a7f0afa075145319eea73d

        SHA1

        43208843e80266106e5c96867e7113e90a6f0b59

        SHA256

        dce56b03d138ced62c5137c164d18240efe3e4a084c70547614b657e2049c6af

        SHA512

        a7934590abdf271c8ce450ef02bd2fef6aecded10390312f7a340071920e8044886a28dfa8fc415c7da6971c79e85347c5669d73da4a179fc8a56838cd114669

      • C:\Users\Admin\AppData\Local\Temp\u1sg.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1652-65-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1652-52-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2320-16-0x0000000000400000-0x0000000002B1D000-memory.dmp

        Filesize

        39.1MB

      • memory/2320-36-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2320-35-0x0000000000400000-0x0000000002B1D000-memory.dmp

        Filesize

        39.1MB

      • memory/2320-1-0x0000000002D00000-0x0000000002E00000-memory.dmp

        Filesize

        1024KB

      • memory/2320-2-0x0000000004890000-0x00000000048FC000-memory.dmp

        Filesize

        432KB

      • memory/2320-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3216-62-0x0000000000400000-0x0000000002AF4000-memory.dmp

        Filesize

        39.0MB

      • memory/3216-106-0x0000000000400000-0x0000000002AF4000-memory.dmp

        Filesize

        39.0MB

      • memory/3216-67-0x0000000000400000-0x0000000002AF4000-memory.dmp

        Filesize

        39.0MB

      • memory/3216-103-0x0000000000400000-0x0000000002AF4000-memory.dmp

        Filesize

        39.0MB

      • memory/3216-101-0x0000000000400000-0x0000000002AF4000-memory.dmp

        Filesize

        39.0MB

      • memory/3216-99-0x0000000000400000-0x0000000002AF4000-memory.dmp

        Filesize

        39.0MB

      • memory/3616-74-0x00000210AFAD0000-0x00000210AFB82000-memory.dmp

        Filesize

        712KB

      • memory/3616-86-0x00000210B3FE0000-0x00000210B3FEE000-memory.dmp

        Filesize

        56KB

      • memory/3616-75-0x00000210AFB90000-0x00000210AFBBA000-memory.dmp

        Filesize

        168KB

      • memory/3616-71-0x0000021096EC0000-0x0000021096ED4000-memory.dmp

        Filesize

        80KB

      • memory/3616-73-0x00000210AFAA0000-0x00000210AFAAA000-memory.dmp

        Filesize

        40KB

      • memory/3616-76-0x00000210AFC10000-0x00000210AFC60000-memory.dmp

        Filesize

        320KB

      • memory/3616-77-0x00000210AFC60000-0x00000210AFC82000-memory.dmp

        Filesize

        136KB

      • memory/3616-78-0x0000021095520000-0x000002109552A000-memory.dmp

        Filesize

        40KB

      • memory/3616-82-0x00000210AFC90000-0x00000210AFF90000-memory.dmp

        Filesize

        3.0MB

      • memory/3616-84-0x00000210B3910000-0x00000210B3918000-memory.dmp

        Filesize

        32KB

      • memory/3616-85-0x00000210B4010000-0x00000210B4048000-memory.dmp

        Filesize

        224KB

      • memory/3616-72-0x00000210AF620000-0x00000210AF644000-memory.dmp

        Filesize

        144KB

      • memory/3616-87-0x00000210B4000000-0x00000210B4008000-memory.dmp

        Filesize

        32KB

      • memory/3616-88-0x00000210B46E0000-0x00000210B46EA000-memory.dmp

        Filesize

        40KB

      • memory/3616-89-0x00000210B4990000-0x00000210B49F2000-memory.dmp

        Filesize

        392KB

      • memory/3616-90-0x00000210B4700000-0x00000210B4722000-memory.dmp

        Filesize

        136KB

      • memory/3616-91-0x00000210B4F20000-0x00000210B5448000-memory.dmp

        Filesize

        5.2MB

      • memory/3616-94-0x00000210B4720000-0x00000210B472C000-memory.dmp

        Filesize

        48KB

      • memory/3616-95-0x00000210B4800000-0x00000210B4876000-memory.dmp

        Filesize

        472KB

      • memory/3616-96-0x00000210B4760000-0x00000210B477E000-memory.dmp

        Filesize

        120KB

      • memory/3616-68-0x00000210AF840000-0x00000210AF94A000-memory.dmp

        Filesize

        1.0MB

      • memory/3616-70-0x00000210AF5A0000-0x00000210AF5AC000-memory.dmp

        Filesize

        48KB

      • memory/3616-69-0x0000021096EB0000-0x0000021096EC0000-memory.dmp

        Filesize

        64KB

      • memory/3616-66-0x0000021091870000-0x00000210950A4000-memory.dmp

        Filesize

        56.2MB