f1dcf8e489bf9e5b892de0aefc52f30a6df0a97f6887a341472ddf1da680dbe9

Analysis

max time kernel
150s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 05:47

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General

Target

04945d241f5e4eb62c3590f47f9056e1_JaffaCakes118.dll
Size

30KB
MD5

04945d241f5e4eb62c3590f47f9056e1
SHA1

f71d3744bed8315a008f5efb07b1810f646cea59
SHA256

f1dcf8e489bf9e5b892de0aefc52f30a6df0a97f6887a341472ddf1da680dbe9
SHA512

e970f1a642cf0fc2dbc1d9695c82ae014a237bc704fe9b8efb728a5e1f01638c35bd8df95052ea2d3de13712a1499138605e096ec555b74822d3254ec355445e
SSDEEP

768:Zkxpv1LcjZ3XPKdEX7jtES1xOCIqvw074L:Mv1O1XPEYrOCqL

Score

7^/10

defense_evasion discovery privilege_escalation

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3316	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
3316	rundll32.exe
3316	rundll32.exe
3316	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
3316	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\{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} = "04945d241f5e4eb62c3590f47f9056e1_JaffaCakes118.dll,1287653629,71617371,-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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe
3316	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 3240	3300	rundll32.exe	82
PID 3300 wrote to memory of 3240	3300	rundll32.exe	82
PID 3300 wrote to memory of 3240	3300	rundll32.exe	82
PID 3240 wrote to memory of 3316	3240	rundll32.exe	83
PID 3240 wrote to memory of 3316	3240	rundll32.exe	83
PID 3240 wrote to memory of 3316	3240	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\04945d241f5e4eb62c3590f47f9056e1_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3300
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\04945d241f5e4eb62c3590f47f9056e1_JaffaCakes118.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3240
- - 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:3316

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
04945d241f5e4eb62c3590f47f9056e1

SHA1
f71d3744bed8315a008f5efb07b1810f646cea59

SHA256
f1dcf8e489bf9e5b892de0aefc52f30a6df0a97f6887a341472ddf1da680dbe9

SHA512
e970f1a642cf0fc2dbc1d9695c82ae014a237bc704fe9b8efb728a5e1f01638c35bd8df95052ea2d3de13712a1499138605e096ec555b74822d3254ec355445e

Download Submit
memory/3240-0-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/3240-6-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/3316-5-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/3316-7-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download