853061126fa579a72a3c5143aee134c3ea624b6e740797fe256f6a0bc26f0fae

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2024 18:37

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General

Target

ee32b7676fcf484d6c3d817a0a533227_JaffaCakes118.dll
Size

124KB
MD5

ee32b7676fcf484d6c3d817a0a533227
SHA1

aaa3bd3a20071809383e0f0df588219761cc0190
SHA256

853061126fa579a72a3c5143aee134c3ea624b6e740797fe256f6a0bc26f0fae
SHA512

e1e5bfb0431e24185ede64751ed712e6d1fbb189e8213e7299ef1c634872f3c2e1f3869b663cf7dfbd9958469f3e46e560dafbc540b056d701567a83a80eaac9
SSDEEP

3072:yfpIaHG+JehEj637/7pbIJmFIz2qwqFmsaIUdcw:zaHG2s4637NbIU2Nee

Score

10^/10

discovery 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\DirectMusicScript = "{45baac20-98b3-4cd5-b433-bae8519d95a5}"	regsvr32.exe

Loads dropped DLL 2 IoCs

pid	Process
3144	regsvr32.exe
3144	regsvr32.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\DirectMusic\DirectMusicScript.dll	regsvr32.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	regsvr32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45baac20-98b3-4cd5-b433-bae8519d95a5}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\DirectMusic\\DirectMusicScript.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45baac20-98b3-4cd5-b433-bae8519d95a5}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45baac20-98b3-4cd5-b433-bae8519d95a5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45baac20-98b3-4cd5-b433-bae8519d95a5}\InprocServer32	regsvr32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3144	regsvr32.exe
3144	regsvr32.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
3144	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3144	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3624 wrote to memory of 3144	3624	regsvr32.exe	82
PID 3624 wrote to memory of 3144	3624	regsvr32.exe	82
PID 3624 wrote to memory of 3144	3624	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ee32b7676fcf484d6c3d817a0a533227_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3624
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ee32b7676fcf484d6c3d817a0a533227_JaffaCakes118.dll
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:3144

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Common Files\DirectMusic\DirectMusicScript.dll

Filesize
124KB

MD5
ee32b7676fcf484d6c3d817a0a533227

SHA1
aaa3bd3a20071809383e0f0df588219761cc0190

SHA256
853061126fa579a72a3c5143aee134c3ea624b6e740797fe256f6a0bc26f0fae

SHA512
e1e5bfb0431e24185ede64751ed712e6d1fbb189e8213e7299ef1c634872f3c2e1f3869b663cf7dfbd9958469f3e46e560dafbc540b056d701567a83a80eaac9

Download Submit
memory/3144-5-0x0000000002BF0000-0x0000000002C0F000-memory.dmp

Filesize
124KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads