Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 04:08

General

  • Target

    045786107260b79f118f73ad58f68bc4_JaffaCakes118.exe

  • Size

    25.5MB

  • MD5

    045786107260b79f118f73ad58f68bc4

  • SHA1

    ed93910aa6872d69df361d90b5baa0a6405f900c

  • SHA256

    262637f0d632fb2cbb247377a1fbbdeb5fa94f2708155efb3ed9dcd060510cca

  • SHA512

    7fb9c7f4d4cde73daa3faa55a61973a41f8eb685b0090de523039e111c35b192f78d08562d101702f9cce86c2d6e228c959ed189d381fef001b63e856a61bae8

  • SSDEEP

    393216:dFgRav6cD534K8vhdFgRav6cD534K8vh:zv6cDqKChzv6cDqKCh

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 2 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • xmrig

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

  • XMRig Miner payload 17 IoCs
  • Sets file execution options in registry 2 TTPs 12 IoCs
  • 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.

  • 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).

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\045786107260b79f118f73ad58f68bc4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\045786107260b79f118f73ad58f68bc4_JaffaCakes118.exe"
    1⤵
    • UAC bypass
    • Sets file execution options in registry
    • 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
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1712
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2648

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\7-Zip\7z.exe
    Filesize

    26.0MB

    MD5

    406ab2792e575fbf27e9a920a05ede93

    SHA1

    a37ea4e240d24785c3d4fa309f36c96f7b872426

    SHA256

    52847976b6b8f93bca7062d016a26cc7edc3c66cbb94b887eb62976ae49683dc

    SHA512

    c2e434832bdaf80a33bf3a73e777071ac4e3df26d6af03caf1c63efe1c32c2fc8d605b002e124174a1196c85e05d6dc32e1e509ff6eb16c597a35ec2c6a80393

  • 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

  • memory/1712-0-0x0000000000400000-0x0000000000613000-memory.dmp
    Filesize

    2.1MB

  • memory/2648-227-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/2648-318-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/2648-152-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/2648-190-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/2648-53-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/2648-257-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/2648-283-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/2648-105-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/2648-349-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/2648-350-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/2648-351-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/2648-352-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/2648-353-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB

  • memory/2648-370-0x0000000000400000-0x00000000004DA000-memory.dmp
    Filesize

    872KB