Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 17:06

General

  • Target

    fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe

  • Size

    1.9MB

  • MD5

    fac4b5a9c4f10517f44d4ae172f6473c

  • SHA1

    2304b22499e60fa87ea5f9d3fee5f6d9ecacf9ee

  • SHA256

    d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414

  • SHA512

    6b8dc4430f6068eaac9d27e4f322d1ae921f56b9940e266ba44ed791917c37b14bb9cb1ea3b861da36d9efe44af7acf75264e19d60a5fb1e89deabd1afa1bdbc

  • SSDEEP

    24576:qYOSCmr2OsBgo0q4wMEX1RTdVfm6ZWZmMv1XdyqTQV0QQXTMrBwtP9kvIuyR:qq/oHMEX1XVO6o91tn6IPtP9kvSR

Malware Config

Extracted

Family

webmonitor

C2

niiarmah.wm01.to:443

Attributes
  • config_key

    4EcDHH7aWbl50LayUnuRlJWUXiKQWk0O

  • private_key

    yvkn5wM8E

  • url_path

    /recv5.php

Signatures

  • RevcodeRat, WebMonitorRat

    WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

  • WebMonitor payload 7 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Unexpected DNS network traffic destination 8 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fac4b5a9c4f10517f44d4ae172f6473c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WLmzCRrQBmjpU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp951E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2772
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp951E.tmp

    Filesize

    1KB

    MD5

    4cf9b2ea4f3fdc41268ce6f84d5b3bb5

    SHA1

    4179ba7a0cc0048cd46c178b429dc530757437b3

    SHA256

    5bf365671fbe7bf7de8b7e31afdd2ef99e804c40eb68d1189cf7030183e64550

    SHA512

    04faa5e009bc8db801dc2f57afcc92eb27cb4ecf33ad99a1ee9dca332549084d61fb053836f245898d003f4a7e3030a6d01bca7ef866f33c87d0c8d18ebaf552

  • memory/2268-0-0x0000000000C50000-0x0000000000E48000-memory.dmp

    Filesize

    2.0MB

  • memory/2268-1-0x0000000073FD0000-0x00000000746BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2268-2-0x0000000000590000-0x00000000005D0000-memory.dmp

    Filesize

    256KB

  • memory/2268-3-0x0000000000200000-0x0000000000212000-memory.dmp

    Filesize

    72KB

  • memory/2268-4-0x0000000073FD0000-0x00000000746BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2268-5-0x0000000000590000-0x00000000005D0000-memory.dmp

    Filesize

    256KB

  • memory/2268-6-0x0000000005B90000-0x0000000005CC8000-memory.dmp

    Filesize

    1.2MB

  • memory/2268-7-0x0000000005CC0000-0x0000000005DB4000-memory.dmp

    Filesize

    976KB

  • memory/2268-26-0x0000000073FD0000-0x00000000746BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2608-15-0x0000000000400000-0x00000000004F3000-memory.dmp

    Filesize

    972KB

  • memory/2608-16-0x0000000000400000-0x00000000004F3000-memory.dmp

    Filesize

    972KB

  • memory/2608-17-0x0000000000400000-0x00000000004F3000-memory.dmp

    Filesize

    972KB

  • memory/2608-19-0x0000000000400000-0x00000000004F3000-memory.dmp

    Filesize

    972KB

  • memory/2608-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2608-25-0x0000000000400000-0x00000000004F3000-memory.dmp

    Filesize

    972KB

  • memory/2608-13-0x0000000000400000-0x00000000004F3000-memory.dmp

    Filesize

    972KB

  • memory/2608-27-0x0000000000400000-0x00000000004F3000-memory.dmp

    Filesize

    972KB

  • memory/2608-29-0x0000000000590000-0x00000000005D0000-memory.dmp

    Filesize

    256KB

  • memory/2608-30-0x0000000000400000-0x00000000004F3000-memory.dmp

    Filesize

    972KB

  • memory/2608-31-0x0000000000400000-0x00000000004F3000-memory.dmp

    Filesize

    972KB

  • memory/2608-32-0x0000000000590000-0x00000000005D0000-memory.dmp

    Filesize

    256KB