db94645b4cf673883f965c745b900084266dfd03e1a59e71d449e540cf450a32

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10/07/2024, 15:30

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

35518ddb6d8f9c1c3b07dbea4ac1b7ae_JaffaCakes118.dll
Size

349KB
MD5

35518ddb6d8f9c1c3b07dbea4ac1b7ae
SHA1

f1721e0c6ddd45efcbd040d441ea387ca44772b4
SHA256

db94645b4cf673883f965c745b900084266dfd03e1a59e71d449e540cf450a32
SHA512

f3abfe0e1bd0fecc106ebbb0e1c4f7a894c6ab3b79b608c24c2f606a36f1487b3faf186ea872abd39a36a03f8e1f87d943ebd40e39a0e6b239a914c49fec584b
SSDEEP

6144:GEusy1h7qKJUZ4N1qq1vpVZehWhuh5CcQu98dPcTKRwPoYLjKyYSdWwm4Mk:c1h7HC41fN8h+08uPDjGxwm4

Score

7^/10

evasion themida

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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-1-5-21-940600906-3464502421-4240639183-1000\Software\Wine	rundll32.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2988-0-0x0000000010000000-0x00000000100D9000-memory.dmp	themida
behavioral1/memory/2988-1-0x0000000010000000-0x00000000100D9000-memory.dmp	themida
behavioral1/memory/2988-2-0x0000000010000000-0x00000000100D9000-memory.dmp	themida
behavioral1/memory/2988-4-0x0000000010000000-0x00000000100D9000-memory.dmp	themida

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2988	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2988	2328	rundll32.exe	30
PID 2328 wrote to memory of 2988	2328	rundll32.exe	30
PID 2328 wrote to memory of 2988	2328	rundll32.exe	30
PID 2328 wrote to memory of 2988	2328	rundll32.exe	30
PID 2328 wrote to memory of 2988	2328	rundll32.exe	30
PID 2328 wrote to memory of 2988	2328	rundll32.exe	30
PID 2328 wrote to memory of 2988	2328	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\35518ddb6d8f9c1c3b07dbea4ac1b7ae_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\35518ddb6d8f9c1c3b07dbea4ac1b7ae_JaffaCakes118.dll,#1
  2⤵
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Suspicious use of SetWindowsHookEx
  PID:2988

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

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2988-0-0x0000000010000000-0x00000000100D9000-memory.dmp

Filesize
868KB

Download
memory/2988-1-0x0000000010000000-0x00000000100D9000-memory.dmp

Filesize
868KB

Download
memory/2988-2-0x0000000010000000-0x00000000100D9000-memory.dmp

Filesize
868KB

Download
memory/2988-4-0x0000000010000000-0x00000000100D9000-memory.dmp

Filesize
868KB

Download
memory/2988-3-0x0000000000780000-0x000000000078E000-memory.dmp

Filesize
56KB

Download
memory/2988-5-0x0000000010000000-0x00000000100D9000-memory.dmp

Filesize
868KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads