2cd91ceff31309f8dbdef3e2ef66cd20a6df6d910f9a4c98b3d7a9e67aada436

Analysis

max time kernel
6s
max time network
10s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
28-06-2024 04:30

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Reason

Machine shutdown

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General

Target

18c7e5fbfb5b0bdd09279e3bd8bd17f0_JaffaCakes118.dll
Size

1.7MB
MD5

18c7e5fbfb5b0bdd09279e3bd8bd17f0
SHA1

15b80b8a4b263f8a4b902dc1f6af01b923032e0e
SHA256

2cd91ceff31309f8dbdef3e2ef66cd20a6df6d910f9a4c98b3d7a9e67aada436
SHA512

29efa3df1eb2046e8662e29ef409cb6e7b6e7e3590aa9e9ee2d844e7faad3dd7302bd0c1627d4512faffccf53b446c3e82eb49b15ee14cc0a46fff8fdda1aaa6
SSDEEP

49152:W3T+vr7klhTd2UJA0MfsPGrBnY0Llmh71Is9M:8yv/klR2fsPG1nDl271G

Score

9^/10

bootkit evasion persistence trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rundll32.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Wine	rundll32.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

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.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2416	shutdown.exe
Token: SeRemoteShutdownPrivilege	2416	shutdown.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 2920	1784	rundll32.exe	28
PID 1784 wrote to memory of 2920	1784	rundll32.exe	28
PID 1784 wrote to memory of 2920	1784	rundll32.exe	28
PID 1784 wrote to memory of 2920	1784	rundll32.exe	28
PID 1784 wrote to memory of 2920	1784	rundll32.exe	28
PID 1784 wrote to memory of 2920	1784	rundll32.exe	28
PID 1784 wrote to memory of 2920	1784	rundll32.exe	28
PID 2920 wrote to memory of 2416	2920	rundll32.exe	29
PID 2920 wrote to memory of 2416	2920	rundll32.exe	29
PID 2920 wrote to memory of 2416	2920	rundll32.exe	29
PID 2920 wrote to memory of 2416	2920	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\18c7e5fbfb5b0bdd09279e3bd8bd17f0_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\18c7e5fbfb5b0bdd09279e3bd8bd17f0_JaffaCakes118.dll,#1
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Identifies Wine through registry keys
  - Checks whether UAC is enabled
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\SysWOW64\shutdown.exe
    "C:\Windows\System32\shutdown.exe" -s -t 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2416

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2664

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2664-3-0x00000000029C0000-0x00000000029C1000-memory.dmp

Filesize
4KB

Download
memory/2920-1-0x0000000001EA0000-0x00000000020B4000-memory.dmp

Filesize
2.1MB

Download
memory/2920-0-0x0000000001EA0000-0x00000000020B4000-memory.dmp

Filesize
2.1MB

Download
memory/2920-2-0x0000000001EA1000-0x0000000001EE3000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads