912da36a390c31b210347583dba6b401d8528413e363ff340037c77f6b250622

Analysis

max time kernel
139s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/08/2024, 08:39

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General

Target

8e0f1fb07d779b5a67b1e34762cd4f58_JaffaCakes118.dll
Size

130KB
MD5

8e0f1fb07d779b5a67b1e34762cd4f58
SHA1

c0f4dd3068660be297acbbe3d2023e008e4b70f0
SHA256

912da36a390c31b210347583dba6b401d8528413e363ff340037c77f6b250622
SHA512

91a7434e76f23b3514c12d0c8de0d5ef6044602d58b615208a4cdaa0e410f391195e650591963d1475b69aa4c58f577fa31c7cb9c731067b4d20c6bc389e658b
SSDEEP

3072:fybGSUNWyeClTFRqe9TxFHcwyKqbbGV4geib:fybG1U7Cxnqe9FqwFqbbG

Score

8^/10

discovery persistence

Malware Config

Signatures

Blocklisted process makes network request 5 IoCs

flow	pid	Process
31	2884	rundll32.exe
32	2884	rundll32.exe
33	2884	rundll32.exe
37	2884	rundll32.exe
42	2884	rundll32.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\U1m9gM79.sys\imagepath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\U1m9gM79.sys"	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2916	2884	WerFault.exe	84

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

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2884	rundll32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2884	rundll32.exe
Token: SeTakeOwnershipPrivilege	2884	rundll32.exe
Token: SeImpersonatePrivilege	2884	rundll32.exe
Token: SeAssignPrimaryTokenPrivilege	2884	rundll32.exe
Token: SeLoadDriverPrivilege	2884	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 2884	4836	rundll32.exe	84
PID 4836 wrote to memory of 2884	4836	rundll32.exe	84
PID 4836 wrote to memory of 2884	4836	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e0f1fb07d779b5a67b1e34762cd4f58_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e0f1fb07d779b5a67b1e34762cd4f58_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Sets service image path in registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2884
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 1976
    3⤵
    - Program crash
    PID:2916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2884 -ip 2884
1⤵
PID:2468

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

memory/2884-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2884-1-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2884-6-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads