8b45549c13883db389406324f8dac21d07a153289e050e0fb675e3433b8df193

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 06:59

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General

Target

eaceb176735608b0f53fe230c51e0ef4_JaffaCakes118.dll
Size

589KB
MD5

eaceb176735608b0f53fe230c51e0ef4
SHA1

7d80adf1406cd299b1d5196c57d058c9686e3e17
SHA256

8b45549c13883db389406324f8dac21d07a153289e050e0fb675e3433b8df193
SHA512

e9f868214e505df03a9bec4c4b433e68841ace0a0297f666af1afb3eb31382069293b2ab924e3adcc92a382d235b42ad30dc8cfb15fdb325d50ffe5a43cee3a7
SSDEEP

12288:YX7N1wqc7z7EcLIRytWvqT6/xtZZq3PIbah4H1BGnyGD7fhph0WLC3WTiN+7kqKj:YZSqq4RRR3SgblVkyorhPk3yiNCk9G7u

Score

7^/10

discovery 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-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	rundll32.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2064-2-0x0000000074E30000-0x0000000074F92000-memory.dmp	themida
behavioral1/memory/2064-4-0x0000000074E30000-0x0000000074F92000-memory.dmp	themida

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2064	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2064	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2064	2816	rundll32.exe	31
PID 2816 wrote to memory of 2064	2816	rundll32.exe	31
PID 2816 wrote to memory of 2064	2816	rundll32.exe	31
PID 2816 wrote to memory of 2064	2816	rundll32.exe	31
PID 2816 wrote to memory of 2064	2816	rundll32.exe	31
PID 2816 wrote to memory of 2064	2816	rundll32.exe	31
PID 2816 wrote to memory of 2064	2816	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eaceb176735608b0f53fe230c51e0ef4_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\eaceb176735608b0f53fe230c51e0ef4_JaffaCakes118.dll,#1
  2⤵
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2064

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 Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2064-0-0x0000000074FB0000-0x0000000075112000-memory.dmp

Filesize
1.4MB

Download
memory/2064-1-0x0000000074E20000-0x0000000074F82000-memory.dmp

Filesize
1.4MB

Download
memory/2064-2-0x0000000074E30000-0x0000000074F92000-memory.dmp

Filesize
1.4MB

Download
memory/2064-3-0x0000000074FA0000-0x0000000075102000-memory.dmp

Filesize
1.4MB

Download
memory/2064-4-0x0000000074E30000-0x0000000074F92000-memory.dmp

Filesize
1.4MB

Download
memory/2064-5-0x0000000074FA0000-0x0000000074FB3000-memory.dmp

Filesize
76KB

Download