56920efe7a4fb47c09c0f63a8b29253f5e546ad59405f037ed4deea884b36d2d

Analysis

max time kernel
90s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/04/2024, 23:07

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General

Target

ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe
Size

82KB
MD5

ec2f7a848784b8637ee6fb13002790f5
SHA1

cda368ce8f5511bc7afcdaa6b09456c3cd7eccf8
SHA256

56920efe7a4fb47c09c0f63a8b29253f5e546ad59405f037ed4deea884b36d2d
SHA512

3d2f8bcaa5dd7afaf4d971333dec587e7d878bb724aa3cf85a23a605f75e7df4443d064f12158561726902d3add0074d2e215820615eaaf3f4c392315f7cb4b4
SSDEEP

1536:OifRUsHlDV+zeUkuVmOF5WROK6AHUdWo0sJIltIMrpVdB7uBN9ZFfa:OiJUg+zeEWROK6OUdWo0sStpVoDFfa

Score

7^/10

persistence

Malware Config

Signatures

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Java Update = "C:\\Users\\Admin\\AppData\\Roaming\\L3G!T-Labs\\jdvs\\0.0.0.0\\Java Update.exe"	ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\rundll32.exe"	ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1180 set thread context of 4736	1180	ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe	85

Checks processor information in registry 2 TTPs 3 IoCs

Processor 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\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	4324	dw20.exe
Token: SeBackupPrivilege	4324	dw20.exe
Token: SeBackupPrivilege	4324	dw20.exe
Token: SeBackupPrivilege	4324	dw20.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 4736	1180	ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe	85
PID 1180 wrote to memory of 4736	1180	ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe	85
PID 1180 wrote to memory of 4736	1180	ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe	85
PID 1180 wrote to memory of 4736	1180	ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe	85
PID 1180 wrote to memory of 4736	1180	ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe	85
PID 1180 wrote to memory of 4736	1180	ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe	85
PID 1180 wrote to memory of 4736	1180	ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe	85
PID 1180 wrote to memory of 4736	1180	ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe	85
PID 4736 wrote to memory of 4324	4736	vbc.exe	86
PID 4736 wrote to memory of 4324	4736	vbc.exe	86
PID 4736 wrote to memory of 4324	4736	vbc.exe	86

C:\Users\Admin\AppData\Local\Temp\ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec2f7a848784b8637ee6fb13002790f5_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1180
- C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4736
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 760
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:4324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1180-0-0x0000000074A10000-0x0000000074FC1000-memory.dmp

Filesize
5.7MB

Download
memory/1180-1-0x0000000074A10000-0x0000000074FC1000-memory.dmp

Filesize
5.7MB

Download
memory/1180-2-0x0000000000CA0000-0x0000000000CB0000-memory.dmp

Filesize
64KB

Download
memory/1180-8-0x0000000074A10000-0x0000000074FC1000-memory.dmp

Filesize
5.7MB

Download
memory/4736-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4736-7-0x0000000074A10000-0x0000000074FC1000-memory.dmp

Filesize
5.7MB

Download
memory/4736-15-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4736-16-0x0000000074A10000-0x0000000074FC1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads