Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 02:43

General

  • Target

    0433b0f9de7d6604427b006242732d93_JaffaCakes118.exe

  • Size

    822KB

  • MD5

    0433b0f9de7d6604427b006242732d93

  • SHA1

    851ddfd961f62bef546c3922fa71becaa18c9f65

  • SHA256

    812821bcf53366cb027030833e0bc011f74c1e6638837b63bbf5e57d9c7afa0c

  • SHA512

    ed33890d2e9fe4bbcf2f1de9b885f9ed8e6efa1f25f7bc804a3507dce13c65d73acc1444ac0a1965189c2ed301f53b959668ae5be48e535d17ced3765289da73

  • SSDEEP

    24576:fiMbqO2dMrrnnugRzMq1xfT3jDj4nOO26R/dCjhD:6MuOqQugBr14l26pd49

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.totallyanonymous.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    719r205N

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0433b0f9de7d6604427b006242732d93_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0433b0f9de7d6604427b006242732d93_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:3008
    • C:\Users\Admin\AppData\Local\Temp\winram.pif
      "C:\Users\Admin\AppData\Local\Temp\winram.pif"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2632
    • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" Microsoft Office
      2⤵
      • Enumerates system info in registry
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:2836

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\DXWRK.html
    Filesize

    887B

    MD5

    cfea2b59490a7efe368e322886b9aaba

    SHA1

    f497a51da5258164050354fc78ca12a720a40419

    SHA256

    bd67454b33db38e2b26d15e6de91063c9c50fc3bc309ba49e2cc64704c60652a

    SHA512

    15923226980ebb61166509691075f05a2af41ae9b0d1c0ac034350c50865f3feeee06ae30e356f30376c3979472c31ab58c489328b978c0d56d0e6bfa1bfb572

  • C:\Users\Admin\AppData\Local\Temp\Logs.html
    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • \Users\Admin\AppData\Local\Temp\winram.pif
    Filesize

    822KB

    MD5

    0433b0f9de7d6604427b006242732d93

    SHA1

    851ddfd961f62bef546c3922fa71becaa18c9f65

    SHA256

    812821bcf53366cb027030833e0bc011f74c1e6638837b63bbf5e57d9c7afa0c

    SHA512

    ed33890d2e9fe4bbcf2f1de9b885f9ed8e6efa1f25f7bc804a3507dce13c65d73acc1444ac0a1965189c2ed301f53b959668ae5be48e535d17ced3765289da73

  • memory/2836-31-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2836-32-0x000000007231D000-0x0000000072328000-memory.dmp
    Filesize

    44KB

  • memory/2836-36-0x000000007231D000-0x0000000072328000-memory.dmp
    Filesize

    44KB

  • memory/2836-37-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2836-38-0x000000007231D000-0x0000000072328000-memory.dmp
    Filesize

    44KB