Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 12:08

General

  • Target

    29e6d44753147ed82b462a46155bf27f_JaffaCakes118.exe

  • Size

    421KB

  • MD5

    29e6d44753147ed82b462a46155bf27f

  • SHA1

    71eb92ae7e61a791e3fc2e502fbd756059c6afe8

  • SHA256

    145880ed94e0db3cab65cb54db4728520f1ac5f95ff2b0dda2650233542dd706

  • SHA512

    3bbfbee68ba8dafa2164a2d5cc9e66607f3901c48c774f2ee7d212364433ce6e75eadd95771bcaaee75c92fa9a23d8cc8bbfbbc436c176879fa53b5a6f282792

  • SSDEEP

    6144:IS1dm0XmZxcY5gtCdG0tR3XdoHHgjMNncgHyJUirSoUj1Rrlp4dW+dTUs8l3e:XPRXmvNSCIi3XUHgQNcYyCVTctdTU

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ajr

Decoy

cokefork.com

sunsabe.com

tactical-milsim.com

johnporcaro.com

quantqubit.com

ehrbar2012.com

dailymoringpages.com

masteronlineteams.com

signocomunicaciones.com

entrepreneur-de-demain.com

eve-echoes-data.com

readingbythewindow.com

quoteshark.net

mundoeconomic.com

bootlegmask.com

sporkedmissoula.com

claricitywealthplanning.net

lyotrade.net

brandtokitchens.com

blackstorymedia.com

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).

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29e6d44753147ed82b462a46155bf27f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\29e6d44753147ed82b462a46155bf27f_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4316
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TNUETGxesb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1930.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5084
    • C:\Users\Admin\AppData\Local\Temp\29e6d44753147ed82b462a46155bf27f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\29e6d44753147ed82b462a46155bf27f_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1930.tmp

    Filesize

    1KB

    MD5

    6cd9c5dc1a7bc70a8b7b86bc03d817fc

    SHA1

    460bfe391d080ce95f7cfa47e5c35d44a8a4af6a

    SHA256

    d94f826c948291d5206adb372288367ef21198161502e86a12c1f8b780b581a6

    SHA512

    66061824f23beb51ad30595f1944f57845b55ea24a25aebb26f122463098df26b35dd1dabfeaf6e1f4f7ed91302efdc27f297f55ea32edde1efa77686116c4c3

  • memory/4316-8-0x0000000005270000-0x000000000527A000-memory.dmp

    Filesize

    40KB

  • memory/4316-7-0x00000000051F0000-0x0000000005246000-memory.dmp

    Filesize

    344KB

  • memory/4316-3-0x0000000005570000-0x0000000005B14000-memory.dmp

    Filesize

    5.6MB

  • memory/4316-4-0x0000000005060000-0x00000000050F2000-memory.dmp

    Filesize

    584KB

  • memory/4316-9-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/4316-5-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

    Filesize

    40KB

  • memory/4316-2-0x0000000004F20000-0x0000000004FBC000-memory.dmp

    Filesize

    624KB

  • memory/4316-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/4316-6-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-10-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-11-0x0000000006050000-0x00000000060A6000-memory.dmp

    Filesize

    344KB

  • memory/4316-12-0x00000000060B0000-0x00000000060E6000-memory.dmp

    Filesize

    216KB

  • memory/4316-1-0x0000000000510000-0x0000000000580000-memory.dmp

    Filesize

    448KB

  • memory/4316-20-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-18-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4972-21-0x00000000017B0000-0x0000000001AFA000-memory.dmp

    Filesize

    3.3MB