Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-05-2024 23:12

General

  • Target

    4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe

  • Size

    1.0MB

  • MD5

    4d7c6a31befbe5d1f132c329b2f6f56a

  • SHA1

    78e2d1fb9d579af7937adea39dfe9aa639ab56ba

  • SHA256

    cc87387f9d80a394d37b129af4be7af6b93dfd585f3a78d3decffc2f94c5689a

  • SHA512

    62e8de438d79d314891bd67244c6b10c33737806614ab2f0ffd5675438e6b72b9c549aff03dda255fde2cb0fc6175d326702fb2def8507cfeeb695253d59ec20

  • SSDEEP

    24576:VQtqBorTlYWBhE+V3mO9yDLss2yed2cw9Zifq1JB5/mOh:mtqFWM4mpDN2USfGF

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    THISISWHATIdo20@@

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:4608
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4872

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scripting

1
T1064

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/1588-26-0x00000000755A2000-0x00000000755A3000-memory.dmp
    Filesize

    4KB

  • memory/1588-1-0x00000000755A0000-0x0000000075B51000-memory.dmp
    Filesize

    5.7MB

  • memory/1588-2-0x00000000755A0000-0x0000000075B51000-memory.dmp
    Filesize

    5.7MB

  • memory/1588-3-0x00000000755A0000-0x0000000075B51000-memory.dmp
    Filesize

    5.7MB

  • memory/1588-28-0x00000000755A0000-0x0000000075B51000-memory.dmp
    Filesize

    5.7MB

  • memory/1588-0-0x00000000755A2000-0x00000000755A3000-memory.dmp
    Filesize

    4KB

  • memory/1588-27-0x00000000755A0000-0x0000000075B51000-memory.dmp
    Filesize

    5.7MB

  • memory/1588-16-0x00000000755A0000-0x0000000075B51000-memory.dmp
    Filesize

    5.7MB

  • memory/4608-8-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4608-10-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4608-11-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4872-15-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/4872-23-0x0000000000460000-0x0000000000529000-memory.dmp
    Filesize

    804KB

  • memory/4872-25-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/4872-17-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/4872-13-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB