Analysis

  • max time kernel
    46s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2023 13:14

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 2 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
    "C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1536
    • 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:876
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nLaCRhtjINQTQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB2E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:852
    • C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
      "C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1524

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

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpAB2E.tmp
    Filesize

    1KB

    MD5

    cf859c4acaf18a86b9d8e56a31fc9221

    SHA1

    20290fad0677a2e24b0ab99026927c2588ac7957

    SHA256

    28ef62baa324be4c4278e1917383b52145f73575d3c90d3f13f411721226126d

    SHA512

    5e2a95de7ddda7cbdcea087b2f6aa7d66d46c78ce80578e122d24a1362aa7e5ffb580f0ab9f73c3ac8833b1e0763644169b83a7343ea08f01c4306766594b1a2

  • memory/852-60-0x0000000000000000-mapping.dmp
  • memory/876-71-0x000000006EFE0000-0x000000006F58B000-memory.dmp
    Filesize

    5.7MB

  • memory/876-69-0x000000006EFE0000-0x000000006F58B000-memory.dmp
    Filesize

    5.7MB

  • memory/876-59-0x0000000000000000-mapping.dmp
  • memory/1524-65-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/1524-70-0x00000000008C0000-0x0000000000BC3000-memory.dmp
    Filesize

    3.0MB

  • memory/1524-68-0x000000000041F100-mapping.dmp
  • memory/1524-67-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/1524-64-0x0000000000400000-0x000000000042F000-memory.dmp
    Filesize

    188KB

  • memory/1536-58-0x0000000005680000-0x0000000005718000-memory.dmp
    Filesize

    608KB

  • memory/1536-63-0x0000000004B90000-0x0000000004BEE000-memory.dmp
    Filesize

    376KB

  • memory/1536-54-0x0000000000C80000-0x0000000000D96000-memory.dmp
    Filesize

    1.1MB

  • memory/1536-57-0x00000000003C0000-0x00000000003CA000-memory.dmp
    Filesize

    40KB

  • memory/1536-56-0x0000000000260000-0x0000000000276000-memory.dmp
    Filesize

    88KB

  • memory/1536-55-0x0000000076581000-0x0000000076583000-memory.dmp
    Filesize

    8KB