Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-08-2024 12:55

General

  • Target

    c0c9e274691d1f0752a4afb1e06c9be8_JaffaCakes118.exe

  • Size

    975KB

  • MD5

    c0c9e274691d1f0752a4afb1e06c9be8

  • SHA1

    14f8c7b7937283d7a2b31aa86336622a1e7bea7e

  • SHA256

    12f40c6a683357974bc68c887830e748da2dcd47d859bd3ce3e3ec98c8e29859

  • SHA512

    9ce33244810d5d0da573075bb150a2671852094cbe48751e79829e11560d6e27eb948edad6945f40a3a07b66ff16214f56e7cb49661f7c6079bc93e1ef3e7833

  • SSDEEP

    24576:qv0YX0rk87XbV/nm0B2Hz3BcpPOqHrM6i4Zp:q9q/b9mVHjBcpmqLRJ7

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 6 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 5 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 42 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0c9e274691d1f0752a4afb1e06c9be8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c0c9e274691d1f0752a4afb1e06c9be8_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:712
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:1700
      • C:\Users\Admin\AppData\Roaming\appdata\hdhskdhl.exe
        "C:\Users\Admin\AppData\Roaming\appdata\hdhskdhl.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:376
        • C:\Users\Admin\AppData\Roaming\appdata\hdhskdhl.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hdhskdhl.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:560
        • C:\Users\Admin\AppData\Roaming\appdata\hdhskdhl.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hdhskdhl.exe" 2 560 240629437
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\appdata\hdhskdhl.exe

    Filesize

    975KB

    MD5

    c0c9e274691d1f0752a4afb1e06c9be8

    SHA1

    14f8c7b7937283d7a2b31aa86336622a1e7bea7e

    SHA256

    12f40c6a683357974bc68c887830e748da2dcd47d859bd3ce3e3ec98c8e29859

    SHA512

    9ce33244810d5d0da573075bb150a2671852094cbe48751e79829e11560d6e27eb948edad6945f40a3a07b66ff16214f56e7cb49661f7c6079bc93e1ef3e7833

  • memory/376-22-0x0000000000400000-0x00000000004FB000-memory.dmp

    Filesize

    1004KB

  • memory/376-15-0x0000000003E70000-0x0000000003E71000-memory.dmp

    Filesize

    4KB

  • memory/376-12-0x00000000006E0000-0x00000000006E1000-memory.dmp

    Filesize

    4KB

  • memory/560-26-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/560-19-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/560-49-0x0000000006890000-0x00000000068A4000-memory.dmp

    Filesize

    80KB

  • memory/560-48-0x00000000076D0000-0x0000000007720000-memory.dmp

    Filesize

    320KB

  • memory/560-46-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/560-21-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/560-27-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/560-25-0x0000000000A60000-0x0000000000AFA000-memory.dmp

    Filesize

    616KB

  • memory/560-45-0x0000000006840000-0x000000000684A000-memory.dmp

    Filesize

    40KB

  • memory/560-24-0x0000000000A60000-0x0000000000AFA000-memory.dmp

    Filesize

    616KB

  • memory/560-44-0x0000000005450000-0x00000000054E2000-memory.dmp

    Filesize

    584KB

  • memory/560-43-0x0000000005280000-0x00000000052E6000-memory.dmp

    Filesize

    408KB

  • memory/560-16-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/560-40-0x0000000004BA0000-0x0000000005144000-memory.dmp

    Filesize

    5.6MB

  • memory/560-41-0x0000000005150000-0x00000000051EC000-memory.dmp

    Filesize

    624KB

  • memory/560-42-0x0000000005200000-0x0000000005244000-memory.dmp

    Filesize

    272KB

  • memory/712-5-0x0000000000400000-0x00000000004FB000-memory.dmp

    Filesize

    1004KB

  • memory/712-1-0x0000000002300000-0x000000000230F000-memory.dmp

    Filesize

    60KB

  • memory/712-0-0x0000000002290000-0x0000000002291000-memory.dmp

    Filesize

    4KB

  • memory/712-2-0x0000000002300000-0x000000000230F000-memory.dmp

    Filesize

    60KB

  • memory/712-3-0x0000000002470000-0x0000000002471000-memory.dmp

    Filesize

    4KB

  • memory/748-58-0x0000000000400000-0x00000000004FB000-memory.dmp

    Filesize

    1004KB

  • memory/1700-4-0x0000000001100000-0x0000000001101000-memory.dmp

    Filesize

    4KB