Analysis

  • max time kernel
    45s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2022 11:59

General

  • Target

    ddec6968806b89640eed8ad10d3f33e1cdf0c5a9f596e128d9f3fbcecfad5fbd.exe

  • Size

    740KB

  • MD5

    a33d9b8d1cf40a7d3bd2601917276ed4

  • SHA1

    4fcf9b739705cdc9dd1643c152df2a1db4ae2e48

  • SHA256

    ddec6968806b89640eed8ad10d3f33e1cdf0c5a9f596e128d9f3fbcecfad5fbd

  • SHA512

    0d8870bfcee2d68eff506ae507f9e20b25dc9ec4eb54d8212dc8743a8e443b26cded51e9e845777d2f124d86ca26495694553e05872a6668fdd2dff634cd4892

  • SSDEEP

    12288:kwl+momPZefiPtqvyu1JtnN8t2iZX65arc2+dTbt1NbXBFHWf0Tg90/G:romxiiQF1fN88iZX65S+t1NzBRWeaoG

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\ddec6968806b89640eed8ad10d3f33e1cdf0c5a9f596e128d9f3fbcecfad5fbd.exe
    "C:\Users\Admin\AppData\Local\Temp\ddec6968806b89640eed8ad10d3f33e1cdf0c5a9f596e128d9f3fbcecfad5fbd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Nbhdpo.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:592
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Nbhdpo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAEC7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:868
    • C:\Users\Admin\AppData\Local\Temp\ddec6968806b89640eed8ad10d3f33e1cdf0c5a9f596e128d9f3fbcecfad5fbd.exe
      "C:\Users\Admin\AppData\Local\Temp\ddec6968806b89640eed8ad10d3f33e1cdf0c5a9f596e128d9f3fbcecfad5fbd.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1164

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpAEC7.tmp

    Filesize

    1KB

    MD5

    6bed1b755d8b116668b832800e22b97d

    SHA1

    f2f59887e7975c987ffc4f347b0e8c9a80d6a644

    SHA256

    35d1571f9b405b2c15515ac43d81585d23ce6ea43b21fcbf8887f60f768ea618

    SHA512

    a62dc9b2168e4bdd72aa74ba4cd6531a319e92e6eff13de49ff75f8b41cbe1c3f6e7488ef86d3da93e30d558c5906089db20fba0d565d3e273ae376011095db9

  • memory/592-71-0x000000006F210000-0x000000006F7BB000-memory.dmp

    Filesize

    5.7MB

  • memory/592-70-0x000000006F210000-0x000000006F7BB000-memory.dmp

    Filesize

    5.7MB

  • memory/592-59-0x0000000000000000-mapping.dmp

  • memory/868-60-0x0000000000000000-mapping.dmp

  • memory/1164-64-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1164-69-0x0000000000B30000-0x0000000000E33000-memory.dmp

    Filesize

    3.0MB

  • memory/1164-67-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1164-68-0x000000000041F100-mapping.dmp

  • memory/1164-65-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1468-58-0x0000000004EA0000-0x0000000004F1C000-memory.dmp

    Filesize

    496KB

  • memory/1468-63-0x0000000004400000-0x0000000004442000-memory.dmp

    Filesize

    264KB

  • memory/1468-54-0x00000000008E0000-0x000000000099E000-memory.dmp

    Filesize

    760KB

  • memory/1468-57-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1468-56-0x00000000005B0000-0x00000000005CA000-memory.dmp

    Filesize

    104KB

  • memory/1468-55-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

    Filesize

    8KB