Analysis

  • max time kernel
    139s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2023 13:21

General

  • Target

    c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

  • Size

    1.1MB

  • MD5

    e9ad14c57de3288fd9de4d5cdcbf66e0

  • SHA1

    c21ec1560b66e3e4581a8c6cb41fa769527cfd7a

  • SHA256

    7ce7ca5deeb35f3cce19ca4e01e28aebe9f1b03dc8778a2e85e0d515a6df1a3e

  • SHA512

    61199ba16efbe0036e909a05b46ce41a36b019bc6af9cdd8c39bde1ff595d0309bbaca766820c9bfef9d221d3bc850cd5f7e42729fc43a1d5d6a1fb6c8236ba5

  • SSDEEP

    24576:e0pUTyvWX1Qf+cBX0RxfAx5lv2s6MDYTbJNkj:TUT3XTcR0zIBv2lMDYTbJNM

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oi05

Decoy

fluidavail.online

blchain.tech

kyocera.website

sangmine.xyz

thepolicyjacket.info

ssvhelpman.net

y-t-design.com

eminentabroad.com

codingcamp.store

bester.capital

tanjiya23.site

bheniamyn.dev

top5monitor.com

bit-prim.trade

airstreamsocialclub.com

darkwarspod.com

zazisalesdistribution.com

vivolentlo.online

daftburo.net

elemangelsin.xyz

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 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: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
    "C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nLaCRhtjINQTQ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2288
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nLaCRhtjINQTQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp30A5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1924
    • C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
      "C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2616

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp30A5.tmp
    Filesize

    1KB

    MD5

    cc38a3204a941075d2f0215103a81a72

    SHA1

    ca09882a10d02f7f409810a45d87649f1527bb87

    SHA256

    7c8d4eadbb5ea5130a1c219a4ab3d9f23a8943e296d091d30f221a3290c7c1ef

    SHA512

    a4fe7000127d38728b1968332fe6e673de3ba579801aa065d3c43d3f7ecf6eeedb643168a97e015f41cb5974e7203a2542cd6c2bc93ec90923d27c617c3d5c73

  • memory/1100-133-0x0000000005530000-0x0000000005AD4000-memory.dmp
    Filesize

    5.6MB

  • memory/1100-134-0x0000000005020000-0x00000000050B2000-memory.dmp
    Filesize

    584KB

  • memory/1100-135-0x0000000005010000-0x000000000501A000-memory.dmp
    Filesize

    40KB

  • memory/1100-136-0x00000000078A0000-0x000000000793C000-memory.dmp
    Filesize

    624KB

  • memory/1100-132-0x0000000000660000-0x0000000000776000-memory.dmp
    Filesize

    1.1MB

  • memory/1924-138-0x0000000000000000-mapping.dmp
  • memory/2288-150-0x0000000070AD0000-0x0000000070B1C000-memory.dmp
    Filesize

    304KB

  • memory/2288-157-0x00000000077B0000-0x00000000077CA000-memory.dmp
    Filesize

    104KB

  • memory/2288-141-0x00000000052B0000-0x00000000058D8000-memory.dmp
    Filesize

    6.2MB

  • memory/2288-142-0x00000000051A0000-0x00000000051C2000-memory.dmp
    Filesize

    136KB

  • memory/2288-158-0x0000000007790000-0x0000000007798000-memory.dmp
    Filesize

    32KB

  • memory/2288-139-0x0000000002870000-0x00000000028A6000-memory.dmp
    Filesize

    216KB

  • memory/2288-145-0x0000000005A90000-0x0000000005AF6000-memory.dmp
    Filesize

    408KB

  • memory/2288-146-0x0000000005B00000-0x0000000005B66000-memory.dmp
    Filesize

    408KB

  • memory/2288-147-0x0000000006160000-0x000000000617E000-memory.dmp
    Filesize

    120KB

  • memory/2288-156-0x00000000076A0000-0x00000000076AE000-memory.dmp
    Filesize

    56KB

  • memory/2288-149-0x0000000006690000-0x00000000066C2000-memory.dmp
    Filesize

    200KB

  • memory/2288-137-0x0000000000000000-mapping.dmp
  • memory/2288-151-0x0000000006670000-0x000000000668E000-memory.dmp
    Filesize

    120KB

  • memory/2288-152-0x0000000007AB0000-0x000000000812A000-memory.dmp
    Filesize

    6.5MB

  • memory/2288-153-0x0000000007470000-0x000000000748A000-memory.dmp
    Filesize

    104KB

  • memory/2288-154-0x00000000074E0000-0x00000000074EA000-memory.dmp
    Filesize

    40KB

  • memory/2288-155-0x00000000076F0000-0x0000000007786000-memory.dmp
    Filesize

    600KB

  • memory/2616-144-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/2616-148-0x0000000001C70000-0x0000000001FBA000-memory.dmp
    Filesize

    3.3MB

  • memory/2616-143-0x0000000000000000-mapping.dmp