Analysis

  • max time kernel
    146s
  • max time network
    151s
  • 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, 13:11

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:448
    • 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:1260
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nLaCRhtjINQTQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp242.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3316
    • C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
      "C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe"
      2⤵
        PID:1540
      • C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
        "C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3232

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp242.tmp

      Filesize

      1KB

      MD5

      453d3b456345996234371cf5989136ad

      SHA1

      8993641113807edc9f47e480117ee4c2c952074a

      SHA256

      00ebcc902076a4e497509f0900bea98cd6477e579f1fd89bc3ce723c8cb5089e

      SHA512

      16cf803b7981156f69f179556b9ff2bfbe5f9dcfb1a5ff00d5b128d5645a3108015550b71365c8d7c075a61dd616d76381c6d15a7bb836f23b6149cda5ac3bf7

    • memory/448-133-0x0000000005280000-0x0000000005824000-memory.dmp

      Filesize

      5.6MB

    • memory/448-134-0x0000000004D70000-0x0000000004E02000-memory.dmp

      Filesize

      584KB

    • memory/448-135-0x0000000004CF0000-0x0000000004CFA000-memory.dmp

      Filesize

      40KB

    • memory/448-136-0x00000000074C0000-0x000000000755C000-memory.dmp

      Filesize

      624KB

    • memory/448-132-0x0000000000240000-0x0000000000356000-memory.dmp

      Filesize

      1.1MB

    • memory/1260-153-0x0000000007330000-0x00000000079AA000-memory.dmp

      Filesize

      6.5MB

    • memory/1260-148-0x00000000059E0000-0x00000000059FE000-memory.dmp

      Filesize

      120KB

    • memory/1260-159-0x0000000007010000-0x0000000007018000-memory.dmp

      Filesize

      32KB

    • memory/1260-141-0x0000000004BD0000-0x00000000051F8000-memory.dmp

      Filesize

      6.2MB

    • memory/1260-158-0x0000000007030000-0x000000000704A000-memory.dmp

      Filesize

      104KB

    • memory/1260-157-0x0000000006F20000-0x0000000006F2E000-memory.dmp

      Filesize

      56KB

    • memory/1260-144-0x0000000004B00000-0x0000000004B22000-memory.dmp

      Filesize

      136KB

    • memory/1260-146-0x0000000005200000-0x0000000005266000-memory.dmp

      Filesize

      408KB

    • memory/1260-156-0x0000000006F70000-0x0000000007006000-memory.dmp

      Filesize

      600KB

    • memory/1260-147-0x0000000005360000-0x00000000053C6000-memory.dmp

      Filesize

      408KB

    • memory/1260-155-0x0000000006D60000-0x0000000006D6A000-memory.dmp

      Filesize

      40KB

    • memory/1260-139-0x00000000020D0000-0x0000000002106000-memory.dmp

      Filesize

      216KB

    • memory/1260-150-0x0000000005FA0000-0x0000000005FD2000-memory.dmp

      Filesize

      200KB

    • memory/1260-151-0x0000000075310000-0x000000007535C000-memory.dmp

      Filesize

      304KB

    • memory/1260-152-0x0000000005F80000-0x0000000005F9E000-memory.dmp

      Filesize

      120KB

    • memory/1260-154-0x0000000006CE0000-0x0000000006CFA000-memory.dmp

      Filesize

      104KB

    • memory/3232-149-0x0000000000FE0000-0x000000000132A000-memory.dmp

      Filesize

      3.3MB

    • memory/3232-145-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB