46768d8005c4e403343ce50560191ab58ba45e36e5d84be5a3fe2014f1ad9ee4

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
01/07/2024, 17:40

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General

Target

1be9bd0e5b9b2a1d7e337b981784b62e_JaffaCakes118.dll
Size

1.3MB
MD5

1be9bd0e5b9b2a1d7e337b981784b62e
SHA1

4753bf06e2270b13696c2fb2ee7d875327d29e1e
SHA256

46768d8005c4e403343ce50560191ab58ba45e36e5d84be5a3fe2014f1ad9ee4
SHA512

e87d9d24496e911ff0c69431b0dfc9ba3cf9ef650a1ad91e1799535adb27a4a55998cb306d60cffaa34e3a0f31d34cc083fac4ca464a12fecdd150ba4fdb6470
SSDEEP

24576:bvj+a/9B2CJkup7qsHkiIiMgrgKynenXNDbEcm0eS/ho+7QTx:ua/9B2CJkeYqyenicpo+7Q

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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Wine	rundll32.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1884-0-0x0000000010000000-0x000000001029C000-memory.dmp	themida
behavioral1/memory/1884-1-0x0000000010000000-0x000000001029C000-memory.dmp	themida
behavioral1/memory/1884-2-0x0000000010000000-0x000000001029C000-memory.dmp	themida
behavioral1/memory/1884-5-0x0000000010000000-0x000000001029C000-memory.dmp	themida

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1884	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 1884	1752	rundll32.exe	28
PID 1752 wrote to memory of 1884	1752	rundll32.exe	28
PID 1752 wrote to memory of 1884	1752	rundll32.exe	28
PID 1752 wrote to memory of 1884	1752	rundll32.exe	28
PID 1752 wrote to memory of 1884	1752	rundll32.exe	28
PID 1752 wrote to memory of 1884	1752	rundll32.exe	28
PID 1752 wrote to memory of 1884	1752	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1be9bd0e5b9b2a1d7e337b981784b62e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1be9bd0e5b9b2a1d7e337b981784b62e_JaffaCakes118.dll,#1
  2⤵
  - Identifies Wine through registry keys
  - Suspicious behavior: EnumeratesProcesses
  PID:1884

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/1884-0-0x0000000010000000-0x000000001029C000-memory.dmp

Filesize
2.6MB

Download
memory/1884-1-0x0000000010000000-0x000000001029C000-memory.dmp

Filesize
2.6MB

Download
memory/1884-3-0x00000000002B0000-0x00000000002BE000-memory.dmp

Filesize
56KB

Download
memory/1884-2-0x0000000010000000-0x000000001029C000-memory.dmp

Filesize
2.6MB

Download
memory/1884-4-0x0000000010000000-0x000000001029C000-memory.dmp

Filesize
2.6MB

Download
memory/1884-5-0x0000000010000000-0x000000001029C000-memory.dmp

Filesize
2.6MB

Download