bd5245797081af851275f7e67e21cff2384f2a205be86cdbfa93dc27677638d2

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 08:02

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General

Target

0d4e6276dbf5ddc7ff90ad5b229edc11_JaffaCakes118.dll
Size

332KB
MD5

0d4e6276dbf5ddc7ff90ad5b229edc11
SHA1

9ee56ae3811bf99c9b4a9ec2ad6fd3bf50068181
SHA256

bd5245797081af851275f7e67e21cff2384f2a205be86cdbfa93dc27677638d2
SHA512

4c4fdcb85641d39eb51ea7e7a3d7e0f80d4922ff3dbecbcbd40d1797c5c15d30bb46bb0f0408fd5e26d908695eef4d7f186b56e868606e55d6734edb1afa6576
SSDEEP

6144:fswYJuCVHUnM4nX3oI8lQsYGDArNk8q5SHN:puLEoRlQ7/7qQ

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\btrklfr = "{572A36E0-D4DB-455D-8F83-CBE1373846AB}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{572A36E0-D4DB-455D-8F83-CBE1373846AB}\InProcServer32\ = "C:\\Windows\\btrklfr.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{572A36E0-D4DB-455D-8F83-CBE1373846AB}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{572A36E0-D4DB-455D-8F83-CBE1373846AB}	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2488	1688	rundll32.exe	28
PID 1688 wrote to memory of 2488	1688	rundll32.exe	28
PID 1688 wrote to memory of 2488	1688	rundll32.exe	28
PID 1688 wrote to memory of 2488	1688	rundll32.exe	28
PID 1688 wrote to memory of 2488	1688	rundll32.exe	28
PID 1688 wrote to memory of 2488	1688	rundll32.exe	28
PID 1688 wrote to memory of 2488	1688	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d4e6276dbf5ddc7ff90ad5b229edc11_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d4e6276dbf5ddc7ff90ad5b229edc11_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:2488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads