Analysis

  • max time kernel
    142s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 03:39

General

  • Target

    65e165d12355c000afa0d8e76cf82d6f_JaffaCakes118.exe

  • Size

    7.7MB

  • MD5

    65e165d12355c000afa0d8e76cf82d6f

  • SHA1

    729b37eb3fad99f462fae08226e7bda3c45a98ee

  • SHA256

    afd362ba35b8a9866adeac14236015416c7e87cd713bfa0bf9b82392e49e3e29

  • SHA512

    25893609410699ee86fb87fc3ef9cb0961a2fa9b2829768563d188264423402abc495ce0e62348a4a25f406faf10b0212fc3a3376c25a9d21cfc75d936b6b16d

  • SSDEEP

    196608:VrsQU0PaMvb2Rc56Y7+T9NGqhOwIudYGs:dsQU0PfvbwU6dbAuG

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Loads dropped DLL 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65e165d12355c000afa0d8e76cf82d6f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\65e165d12355c000afa0d8e76cf82d6f_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 852
      2⤵
      • Program crash
      PID:2624

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\3c1115d470574142be723df19173df0f\DiagCode.dll
    Filesize

    78KB

    MD5

    79a02ba612f40388cdd1fff88089c922

    SHA1

    a786ba0669458dc0542fc9b93f09b4bcbf85d045

    SHA256

    43c0b420e78e01fa576b5209794be289f895cc7050206129dd653697c826a76e

    SHA512

    087b05f73e40b19386cc559bd3a86c6b0e0c73d1efbc1199ef6c1095a4180f0cc8fa3161279876f8588d6ab2b270b6aebe58751e8554fc5083817c98dbafb900

  • \Users\Admin\AppData\Local\Temp\65f095ba7310473baabe589bed18ec8d\FTChipID.dll
    Filesize

    60KB

    MD5

    db2e9f3c2f704cd41bdbfcfb47b81108

    SHA1

    49e9192aefee6080c3795a8df592425e6351f56c

    SHA256

    d63d9ec2f0557184aba3d4156d755767cd234fc4b108f4209abbf28c064936c6

    SHA512

    203df4ab2c065923f6ae3f101d8046f300506e77c74a4864eaceca47e427928ab31da37374794efd24b475e8cca4abba8baed768860715076f2a708c2c7c9493

  • \Users\Admin\AppData\Local\Temp\fe5907293ebf46dba7c0396b91f9497e\sense4.dll
    Filesize

    152KB

    MD5

    2cc4f1fa5b4a50a0fadc732678db94dc

    SHA1

    696f39720b09d030403f751cd6f3de3fdd7df29a

    SHA256

    5be725eace8521c03b2167c4a27ae78cec9b838478bc4342e90afc47be3c6876

    SHA512

    57fbbdd8c282ce396af5db58669d6bb2e5d5e0313175f1dd4441cc82d0a194e2564db3a8eb44b50abc54f1e221daa9826e77d22ae16ae1b56279f44eac907b34

  • memory/2156-12-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-54-0x0000000000F10000-0x0000000001DDC000-memory.dmp
    Filesize

    14.8MB

  • memory/2156-9-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-7-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-20-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-25-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-24-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-23-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-22-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-21-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-19-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-18-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-17-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-16-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-15-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-14-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-13-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-0-0x0000000000F10000-0x0000000001DDC000-memory.dmp
    Filesize

    14.8MB

  • memory/2156-8-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-10-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-3-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-4-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-2-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-31-0x0000000000F10000-0x0000000001DDC000-memory.dmp
    Filesize

    14.8MB

  • memory/2156-32-0x0000000000F10000-0x0000000001DDC000-memory.dmp
    Filesize

    14.8MB

  • memory/2156-11-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-5-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-46-0x0000000000250000-0x000000000025C000-memory.dmp
    Filesize

    48KB

  • memory/2156-1-0x0000000074D44000-0x0000000074D45000-memory.dmp
    Filesize

    4KB

  • memory/2156-47-0x00000000003A0000-0x00000000003C8000-memory.dmp
    Filesize

    160KB

  • memory/2156-48-0x00000000004C0000-0x00000000004D6000-memory.dmp
    Filesize

    88KB

  • memory/2156-49-0x0000000006AF0000-0x0000000006BBE000-memory.dmp
    Filesize

    824KB

  • memory/2156-50-0x0000000006BC0000-0x0000000006F0A000-memory.dmp
    Filesize

    3.3MB

  • memory/2156-51-0x00000000034B0000-0x00000000034F6000-memory.dmp
    Filesize

    280KB

  • memory/2156-52-0x0000000003600000-0x0000000003608000-memory.dmp
    Filesize

    32KB

  • memory/2156-6-0x0000000074D30000-0x0000000074E40000-memory.dmp
    Filesize

    1.1MB

  • memory/2156-55-0x0000000074D44000-0x0000000074D45000-memory.dmp
    Filesize

    4KB