Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 10:26

General

  • Target

    JaffaCakes118_b5ea1af38b1c7a905a1e7f374be3d4ffd6c5c3e6cc2d9f8cc3353eb507167c8d.exe

  • Size

    1.2MB

  • MD5

    23385045a278db2211adf84cde24c791

  • SHA1

    99d112562f81b79a7645b2e6b9f128a19d5e1b03

  • SHA256

    b5ea1af38b1c7a905a1e7f374be3d4ffd6c5c3e6cc2d9f8cc3353eb507167c8d

  • SHA512

    9db4dcda18346bd0102be562b3d75ccb11f7291d1acee4ad00135dd254e7d5f6e733f50ec61b1335dd2e83a8230072cc457af7b5f3361b392fe82c0f76e423d0

  • SSDEEP

    24576:kB0NWp6nr52LyDXRfJ5dwEztbXCmAUscM7P8g6A7Vpg83atTUHnlr:kBSDnV3XRfJ/emAUscMoCVuw

Malware Config

Signatures

  • Blackmoon family
  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 7 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5ea1af38b1c7a905a1e7f374be3d4ffd6c5c3e6cc2d9f8cc3353eb507167c8d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5ea1af38b1c7a905a1e7f374be3d4ffd6c5c3e6cc2d9f8cc3353eb507167c8d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5ea1af38b1c7a905a1e7f374be3d4ffd6c5c3e6cc2d9f8cc3353eb507167c8d.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2368
      • C:\Windows\SysWOW64\sc.exe
        sc failure SQL Server Reporting Services (MSSQLSERVSER) reset= 86400 actions= restart/1000
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:1984
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Windows\System32\\Delete00.bat
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3068
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2852
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Delete00.bat

    Filesize

    179B

    MD5

    9f1756d21f331e9a963c0a9eb5f69299

    SHA1

    0d517a2c4be873d42ee7710e2b9240e298f36c4e

    SHA256

    f33979224722eac67550be2c37ff8fdc7f66c388e8a691596960e243907ca5ce

    SHA512

    1a962034f48dd7cb66c1e46ad4290834e36a22d0f088db5858f2a117f231d596ee30d88901adee59b202c36da3e5f937f88ec34c2d5f83b23ebf0490f5ab5099

  • \??\c:\programdata\microsoft\windows\gameexplorer\remote.hlp

    Filesize

    936KB

    MD5

    2148ed98f723563683990f569d23bf43

    SHA1

    25cfad1a06933f65f7d110a81d7adbfa83c19005

    SHA256

    b53132d5c59e5e62e23a9cb65fa9c09aa8403f625d76877c4e8fd60a331be56a

    SHA512

    8ac4b829802e3238fcdf6629b09417dfb48b04d18880a230a387b3673c724a8281c795c83e7a088c12ef676b9fd054b70f90aebca34a1217fc7376aeb9f13dfa

  • memory/1740-14-0x0000000000400000-0x00000000005CA000-memory.dmp

    Filesize

    1.8MB

  • memory/1740-0-0x0000000000400000-0x00000000005CA000-memory.dmp

    Filesize

    1.8MB

  • memory/1740-6-0x0000000002AB0000-0x0000000002C7A000-memory.dmp

    Filesize

    1.8MB

  • memory/2128-27-0x0000000000150000-0x000000000015B000-memory.dmp

    Filesize

    44KB

  • memory/2128-28-0x0000000000150000-0x000000000015B000-memory.dmp

    Filesize

    44KB

  • memory/2128-30-0x0000000010000000-0x0000000010100000-memory.dmp

    Filesize

    1024KB

  • memory/2128-31-0x0000000010000000-0x0000000010100000-memory.dmp

    Filesize

    1024KB

  • memory/2128-34-0x0000000010000000-0x0000000010100000-memory.dmp

    Filesize

    1024KB

  • memory/2368-10-0x0000000000400000-0x0000000000611000-memory.dmp

    Filesize

    2.1MB

  • memory/2368-9-0x0000000000400000-0x0000000000611000-memory.dmp

    Filesize

    2.1MB

  • memory/2368-8-0x0000000000400000-0x0000000000611000-memory.dmp

    Filesize

    2.1MB

  • memory/2368-3-0x0000000000400000-0x0000000000611000-memory.dmp

    Filesize

    2.1MB

  • memory/2368-5-0x0000000000400000-0x0000000000611000-memory.dmp

    Filesize

    2.1MB

  • memory/2368-26-0x0000000000400000-0x0000000000611000-memory.dmp

    Filesize

    2.1MB

  • memory/2368-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB