ea078d0a89934a255c580b8c1397422b40c0909244b7422374540f699fe61bce

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 11:34

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General

Target

f5eb915746f5f8b0bda6f53a0044f444_JaffaCakes118.dll
Size

108KB
MD5

f5eb915746f5f8b0bda6f53a0044f444
SHA1

c644ef3c5f4ba03400fc8d20897bdaadfe709bc4
SHA256

ea078d0a89934a255c580b8c1397422b40c0909244b7422374540f699fe61bce
SHA512

24d26148d5597fa347837a5c4b2ae51d11e58a08d612a43ce1632e69a928a8a812bee0d5ab9f32f07ee8954ec314933ec74e3c4c7875dc34b61cecea42c7d957
SSDEEP

1536:oxVKEUABdbUE0NK7e+8PeWK8zd3uquGdEjEve9AGxDtznKS6xxhbdG:oxYicK7e+8PjbzdeJGqjoe9vtznKBxG

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\MSShellUI = "{e8521b61-9fd2-497e-9753-b28192700df4}"	regsvr32.exe

Loads dropped DLL 1 IoCs

pid	Process
2788	regsvr32.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\MS\MSShellUI.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e8521b61-9fd2-497e-9753-b28192700df4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e8521b61-9fd2-497e-9753-b28192700df4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e8521b61-9fd2-497e-9753-b28192700df4}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\MS\\MSShellUI.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e8521b61-9fd2-497e-9753-b28192700df4}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2788	regsvr32.exe
2788	regsvr32.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2788	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2788	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2788	2736	regsvr32.exe	30
PID 2736 wrote to memory of 2788	2736	regsvr32.exe	30
PID 2736 wrote to memory of 2788	2736	regsvr32.exe	30
PID 2736 wrote to memory of 2788	2736	regsvr32.exe	30
PID 2736 wrote to memory of 2788	2736	regsvr32.exe	30
PID 2736 wrote to memory of 2788	2736	regsvr32.exe	30
PID 2736 wrote to memory of 2788	2736	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f5eb915746f5f8b0bda6f53a0044f444_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f5eb915746f5f8b0bda6f53a0044f444_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:2788

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

\Program Files (x86)\Common Files\MS\MSShellUI.dll

Filesize
108KB

MD5
f5eb915746f5f8b0bda6f53a0044f444

SHA1
c644ef3c5f4ba03400fc8d20897bdaadfe709bc4

SHA256
ea078d0a89934a255c580b8c1397422b40c0909244b7422374540f699fe61bce

SHA512
24d26148d5597fa347837a5c4b2ae51d11e58a08d612a43ce1632e69a928a8a812bee0d5ab9f32f07ee8954ec314933ec74e3c4c7875dc34b61cecea42c7d957

Download Submit
memory/2788-3-0x00000000001B0000-0x00000000001CC000-memory.dmp

Filesize
112KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads