24f69eb0093de89288a7ef20b84d2b531a26925f91a961c3ddc8d5ac2cb869c1

Analysis

max time kernel
150s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 14:53

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General

Target

dc759a955ba5c2a98701dcbb4517b471_JaffaCakes118.dll
Size

30KB
MD5

dc759a955ba5c2a98701dcbb4517b471
SHA1

1d094494192dcf9cdfa6068131fafdc3840b9dc5
SHA256

24f69eb0093de89288a7ef20b84d2b531a26925f91a961c3ddc8d5ac2cb869c1
SHA512

112d54e59f4a4f08149f0fbfb66895abc9b0b511abede926ab0dc53f3456f3a871b62fd72b86b230a3a83046216d04f8923d07136d220bc30639e6bc8540237f
SSDEEP

768:6ZpeZ76Wg8hd/d/14DHJx5EsFHBsDqOVo7OwnL:ZZgAd/dSFOU7OwnL

Score

7^/10

defense_evasion discovery privilege_escalation

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3992	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\msvcp8.dll	rundll32.exe
File opened for modification	C:\Windows\msvcp8.dll	rundll32.exe

Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs

defense_evasion privilege_escalation

Create Process with Token

T1134.002

pid	Process
3992	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "dc759a955ba5c2a98701dcbb4517b471_JaffaCakes118.dll,1288253614,1794070839,-352895392"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe
3992	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 4688	5048	rundll32.exe	83
PID 5048 wrote to memory of 4688	5048	rundll32.exe	83
PID 5048 wrote to memory of 4688	5048	rundll32.exe	83
PID 4688 wrote to memory of 3992	4688	rundll32.exe	87
PID 4688 wrote to memory of 3992	4688	rundll32.exe	87
PID 4688 wrote to memory of 3992	4688	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc759a955ba5c2a98701dcbb4517b471_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc759a955ba5c2a98701dcbb4517b471_JaffaCakes118.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4688
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32 "C:\Windows\msvcp8.dll",_RunAs@16
    3⤵
    - Loads dropped DLL
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Access Token Manipulation: Create Process with Token
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:3992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Access Token Manipulation

T1134

Create Process with Token

T1134.002

Defense Evasion

Access Token Manipulation

T1134

Create Process with Token

T1134.002

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:\Windows\msvcp8.dll

Filesize
30KB

MD5
dc759a955ba5c2a98701dcbb4517b471

SHA1
1d094494192dcf9cdfa6068131fafdc3840b9dc5

SHA256
24f69eb0093de89288a7ef20b84d2b531a26925f91a961c3ddc8d5ac2cb869c1

SHA512
112d54e59f4a4f08149f0fbfb66895abc9b0b511abede926ab0dc53f3456f3a871b62fd72b86b230a3a83046216d04f8923d07136d220bc30639e6bc8540237f

Download Submit
memory/3992-5-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/3992-7-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/4688-0-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/4688-6-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download