Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 17:04

General

  • Target

    8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe

  • Size

    952KB

  • MD5

    e738581ccc00d7bc7ce7500d03873a0a

  • SHA1

    dcc9aad1621a2cb309c719201f3c295705f04a3a

  • SHA256

    8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82

  • SHA512

    cff79366429c61baea483698aa3cc1b387561ec7c7a71366ba15df1fee1b327ac780535f34a2fd34b812f7165a280838c1cbb4a77f19b477587efac761e424d4

  • SSDEEP

    12288:3VcFBopB3yxaWHOP0T7M6SY+Kz4X48E85adAN2/amL8rZ1z8bcr29GRSQ31qDP6Y:+FeXxMnnwTt18Qr29GRSCeA1U

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe
    "C:\Users\Admin\AppData\Local\Temp\8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Update\Google Update" /XML "C:\Users\Admin\AppData\Local\Temp\asssss.xml"
      2⤵
      • Creates scheduled task(s)
      PID:4896
    • C:\Users\Admin\AppData\Local\Temp\8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe
      "C:\Users\Admin\AppData\Local\Temp\8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe"
      2⤵
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3372

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\8fbf108ecc9b03caa1527714df9d53f10001820dd243e6b35fc41edc93ae1a82.exe.log

    Filesize

    319B

    MD5

    a4da81a3544d9cd85f257967c0a431fe

    SHA1

    ba6f59ae5c6a2674a1fda758b5ded92f76d5edb3

    SHA256

    ad372efe5e610b9c2a331ac8f17f83542ef78b92c875c206d76c84e158fb271e

    SHA512

    12348d4cb4b6534a43f122d18fc7276c524c5b7e8f242f446eefb4d2ffea8018aed53a854cb840b2f30669caf74d14daff4276c6676a15221c58c84b210d393f

  • C:\Users\Admin\AppData\Local\Temp\asssss.xml

    Filesize

    1KB

    MD5

    edf66591eebdc49a91897516ab9c7cc3

    SHA1

    d2f119368668a3604ebbd628d31fbef39499495c

    SHA256

    ac6c76420cb4d4f8501b22992b22a082f491dd886acdb67ee4b6caf101670680

    SHA512

    4c3c1729d3347fb9abf9f8e63beaab1faeff26cd130ee823dd26403efa3fc9072f0f86f5cae27e8db2761f32f525c43fa05875eea659209c2ea3826737568773

  • memory/3060-132-0x0000000074C70000-0x0000000075221000-memory.dmp

    Filesize

    5.7MB

  • memory/3060-138-0x0000000074C70000-0x0000000075221000-memory.dmp

    Filesize

    5.7MB

  • memory/3372-136-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3372-139-0x0000000074C70000-0x0000000075221000-memory.dmp

    Filesize

    5.7MB

  • memory/3372-140-0x0000000074C70000-0x0000000075221000-memory.dmp

    Filesize

    5.7MB