14a3bed2f9d5bb9d0b903cdbe9e621951b810d2de98da758b1ff2dd496397ef9

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/01/2025, 09:02 UTC

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General

Target

JaffaCakes118_e267d44d777a895484903cf102497947.dll
Size

231KB
MD5

e267d44d777a895484903cf102497947
SHA1

8f0f2060345ab4c133f928d334e4d6efca1211c6
SHA256

14a3bed2f9d5bb9d0b903cdbe9e621951b810d2de98da758b1ff2dd496397ef9
SHA512

8b4b0287ebc10d6082da4075ce6da14ac3e751f3e34300d81410732a3ff617ee616e6e3f5ab1d38498863b236fa2b89e300b7a58a3a3217f167e3850a0a32209
SSDEEP

3072:zysX0WxnWd/IkmL+PViEbmzwtz/wk8YWbP:mskd/IkmuVfyWdMP

Score

10^/10

discovery persistence

Malware Config

Signatures

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

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\yczfo = "{ec5baf48-64d3-b928-75e4-64d327c05c8b}"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2140	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\txuaj.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\txuaj.dll	rundll32.exe
File created	C:\Windows\SysWOW64\lpmsb.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\lpmsb.dll	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

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ec5baf48-64d3-b928-75e4-64d327c05c8b}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ec5baf48-64d3-b928-75e4-64d327c05c8b}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ec5baf48-64d3-b928-75e4-64d327c05c8b}\InprocServer32\ = "C:\\Windows\\SysWow64\\txuaj.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ec5baf48-64d3-b928-75e4-64d327c05c8b}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ec5baf48-64d3-b928-75e4-64d327c05c8b}	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2140	rundll32.exe
2140	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2140	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 2140	1756	rundll32.exe	30
PID 1756 wrote to memory of 2140	1756	rundll32.exe	30
PID 1756 wrote to memory of 2140	1756	rundll32.exe	30
PID 1756 wrote to memory of 2140	1756	rundll32.exe	30
PID 1756 wrote to memory of 2140	1756	rundll32.exe	30
PID 1756 wrote to memory of 2140	1756	rundll32.exe	30
PID 1756 wrote to memory of 2140	1756	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e267d44d777a895484903cf102497947.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e267d44d777a895484903cf102497947.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2140

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

\Windows\SysWOW64\lpmsb.dll

Filesize
625KB

MD5
95e2376b3323f062eb562b8586d0f14a

SHA1
453d4c3bf4a489433b593420a37bbffb7749875a

SHA256
bd3fa8750123d00aa0967fba44372c46ea002681da9c9b77a4f9261553e26017

SHA512
b898603d07a49237e4dfc6872d5caa7616bae1258926f10e66c4d3f0d81cccefac1e844395b65bb1f308fbc022061b52e51f60658d0a546c04b365b3428cc87d

Download Submit
memory/2140-0-0x00000000001B0000-0x00000000001F3000-memory.dmp

Filesize
268KB

Download
memory/2140-1-0x00000000001B1000-0x00000000001B8000-memory.dmp

Filesize
28KB

Download
memory/2140-7-0x00000000001B0000-0x00000000001F3000-memory.dmp

Filesize
268KB

Download
memory/2140-10-0x00000000001B0000-0x00000000001F3000-memory.dmp

Filesize
268KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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