Analysis

  • max time kernel
    136s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/04/2024, 14:43

General

  • Target

    01003527028bdf9d87d447327ecf749d_JaffaCakes118.exe

  • Size

    26.6MB

  • MD5

    01003527028bdf9d87d447327ecf749d

  • SHA1

    68c68cf5e143ebae04485baf216d0ee2d6731b88

  • SHA256

    ecc04492a7bba9e83a9b0bd70bed889c5f1528ab8582ad06223b7350eb219e61

  • SHA512

    b2356f0141d0ab44032763bd1f1e987a99ecada2947fcbadf5ee2bdd558e880d0b2bde9e02bae1b84b6b92baacd8a20fe30384f1a76caa7bbc5a666f3bd0c9c1

  • SSDEEP

    196608:Ta9+6Y7SOEibgRPghvuhoGBfW5ZPzmGP8xr23vr23Na9+6Y7SOEibgRPghvuhoGZ:TFgRavuhRWmG+FgRavuhRWmGI

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 4 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • xmrig

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

  • XMRig Miner payload 19 IoCs
  • Sets file execution options in registry 2 TTPs 12 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 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 4 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01003527028bdf9d87d447327ecf749d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\01003527028bdf9d87d447327ecf749d_JaffaCakes118.exe"
    1⤵
    • UAC bypass
    • Sets file execution options in registry
    • Checks computer location settings
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3252
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe

    Filesize

    28.7MB

    MD5

    d033508194f8f82e6bc32a1e78291d0d

    SHA1

    8d8f7cfaead2580576fc245089a70508125749ea

    SHA256

    0275744f4e90c5aa113a9cb4e48e8cff9e5969c9fba6564d9b579ec2df8219e0

    SHA512

    07496ccfb501be34abfd251cf20d4a951efff41d2d79b48e89919ab1a745c3bf4ae8a6651cd6d2b453c9e4fc26e9bdc2f6220d923954623075cb41858ca35a16

  • C:\Windows\config.json

    Filesize

    1KB

    MD5

    88c5c5706d2e237422eda18490dc6a59

    SHA1

    bb8d12375f6b995301e756de2ef4fa3a3f6efd39

    SHA256

    4756a234ed3d61fe187d9b6140792e54e7b757545edff82df594a507e528ed8e

    SHA512

    a417270a0d46de5bb06a621c0383c893042a506524713f89ba55567df6e5c3ac8b198bce5a0300ec6e716897bb53fd3e8289a51240157dc743004517673d4ab7

  • C:\Windows\svchost.exe

    Filesize

    833KB

    MD5

    4a87a4d6677558706db4afaeeeb58d20

    SHA1

    7738dc6a459f8415f0265d36c626b48202cd6764

    SHA256

    08b55f9b7dafc53dfc43f7f70cdd7048d231767745b76dc4474370fb323d7ae7

    SHA512

    bedd8ed4975df3fcd4a0f575d6f38e3841e7a4b771baac4f72033102a070818b8539eb101c50563d89d4f3454899a1cedb33047b02e421256dedf9aaf258b594

  • C:\vcredist2010_x86.log.html

    Filesize

    81KB

    MD5

    60c8bf05fad4df10062adb7d499b7239

    SHA1

    698189480e1c47947e87441a0f9882720e7067b4

    SHA256

    df4afce96a66bcf8f12cbc1986c6f1532195acc0ec69cd096f3c831918ca25a7

    SHA512

    69c149bf1c709c46cd1d418a994827e9d763caa32fd50753e41e183a4d9b0909543e2335f1b985f6d37b035b0f8ed6fb5a3bf0865dd97303a2839e9fc5760002

  • memory/3252-0-0x0000000000400000-0x0000000000619000-memory.dmp

    Filesize

    2.1MB

  • memory/3252-539-0x0000000000400000-0x0000000000619000-memory.dmp

    Filesize

    2.1MB

  • memory/3252-356-0x0000000000400000-0x0000000000619000-memory.dmp

    Filesize

    2.1MB

  • memory/3852-400-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/3852-422-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/3852-397-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/3852-394-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/3852-401-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/3852-403-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/3852-421-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/3852-395-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/3852-423-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/3852-432-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/3852-433-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/3852-337-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/3852-538-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/3852-227-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB