934f3267f0cfc4968eb6433ec1b16aea16042f1a20514378cefe640a8007d327

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21/07/2024, 12:02

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General

Target

608230e66a83f41de8c2e4979fae12ba_JaffaCakes118.dll
Size

622KB
MD5

608230e66a83f41de8c2e4979fae12ba
SHA1

ad01bfd8a55a725c6782b494eee115126fde858a
SHA256

934f3267f0cfc4968eb6433ec1b16aea16042f1a20514378cefe640a8007d327
SHA512

a51eba2fa9027df048d126d6254886a6f6c3043209035a411b8a66bd38a7eb1b145d8dc4527f52fd2aeef6b52662e927a59fc82cf39498c95a8ebb2fa4dd3b3a
SSDEEP

12288:c6ataOeDRI7+auIg6mJIwVoWDgX8PPf0xeqHsE5x8l:c6fOeDRMbIoWDgX8/0xJsm8

Score

7^/10

evasion themida

Malware Config

Signatures

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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Wine	rundll32.exe

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2956-1-0x0000000075120000-0x000000007528B000-memory.dmp	themida

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2956	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2956	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2956	2028	rundll32.exe	30
PID 2028 wrote to memory of 2956	2028	rundll32.exe	30
PID 2028 wrote to memory of 2956	2028	rundll32.exe	30
PID 2028 wrote to memory of 2956	2028	rundll32.exe	30
PID 2028 wrote to memory of 2956	2028	rundll32.exe	30
PID 2028 wrote to memory of 2956	2028	rundll32.exe	30
PID 2028 wrote to memory of 2956	2028	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\608230e66a83f41de8c2e4979fae12ba_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\608230e66a83f41de8c2e4979fae12ba_JaffaCakes118.dll,#1
  2⤵
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:2956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2956-0-0x0000000075290000-0x00000000753FB000-memory.dmp

Filesize
1.4MB

Download
memory/2956-1-0x0000000075120000-0x000000007528B000-memory.dmp

Filesize
1.4MB

Download