3b568fde29d1ade3d0ec6f2cb9a71fe366daffabbb2f8df87ea3624f70c8b646

General

Target

ff16df632b875f798221b8e973b35d05_JaffaCakes118.dll
Size

129KB
MD5

ff16df632b875f798221b8e973b35d05
SHA1

2f8d5996394eb2e268b3d3a7348d35de9a8d2da2
SHA256

3b568fde29d1ade3d0ec6f2cb9a71fe366daffabbb2f8df87ea3624f70c8b646
SHA512

af853515f2e42e138be98489cd01602960db1a30bb6e32161e5ff8e87576e059abf46a66e3be7a803ade34609edad00d30e367d13156c1bfa7593573aaa6b906
SSDEEP

3072:M0kfnKdJFxKfs+hUAcCprcH6JEgdzsHOL5PFn0wcccccccc:MJKmfs44aVzsH0PFn0wcccccccc

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
2	3012	rundll32.exe
3	2172	rundll32.exe

Loads dropped DLL 4 IoCs

pid	Process
2172	rundll32.exe
2172	rundll32.exe
2172	rundll32.exe
2172	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\{78C32E8E-3422-49C1-A175-28CC89820DFA} = "rundll32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\{78C32E8E-3422-49C1-A175-28CC89820DFA}\\2b75.dll\",DllGetClassObject secret 30336"	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3012	rundll32.exe
2172	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 3012	2372	rundll32.exe	30
PID 2372 wrote to memory of 3012	2372	rundll32.exe	30
PID 2372 wrote to memory of 3012	2372	rundll32.exe	30
PID 2372 wrote to memory of 3012	2372	rundll32.exe	30
PID 2372 wrote to memory of 3012	2372	rundll32.exe	30
PID 2372 wrote to memory of 3012	2372	rundll32.exe	30
PID 2372 wrote to memory of 3012	2372	rundll32.exe	30
PID 3012 wrote to memory of 2172	3012	rundll32.exe	32
PID 3012 wrote to memory of 2172	3012	rundll32.exe	32
PID 3012 wrote to memory of 2172	3012	rundll32.exe	32
PID 3012 wrote to memory of 2172	3012	rundll32.exe	32
PID 3012 wrote to memory of 2172	3012	rundll32.exe	32
PID 3012 wrote to memory of 2172	3012	rundll32.exe	32
PID 3012 wrote to memory of 2172	3012	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff16df632b875f798221b8e973b35d05_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff16df632b875f798221b8e973b35d05_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\{78C32E8E-3422-49C1-A175-28CC89820DFA}\2b75.dll",DllGetClassObject secret 30336
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:2172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\{78C32E8E-3422-49C1-A175-28CC89820DFA}\2b75.dll

Filesize
129KB

MD5
ff16df632b875f798221b8e973b35d05

SHA1
2f8d5996394eb2e268b3d3a7348d35de9a8d2da2

SHA256
3b568fde29d1ade3d0ec6f2cb9a71fe366daffabbb2f8df87ea3624f70c8b646

SHA512
af853515f2e42e138be98489cd01602960db1a30bb6e32161e5ff8e87576e059abf46a66e3be7a803ade34609edad00d30e367d13156c1bfa7593573aaa6b906

Download Submit
memory/2172-14-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2172-12-0x0000000074340000-0x000000007436C000-memory.dmp

Filesize
176KB

Download
memory/2172-16-0x0000000074340000-0x000000007436C000-memory.dmp

Filesize
176KB

Download
memory/2172-17-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2172-21-0x0000000074340000-0x000000007436C000-memory.dmp

Filesize
176KB

Download
memory/3012-0-0x00000000003F0000-0x00000000004F0000-memory.dmp

Filesize
1024KB

Download
memory/3012-2-0x00000000751F0000-0x000000007521C000-memory.dmp

Filesize
176KB

Download
memory/3012-3-0x00000000751F0000-0x000000007521C000-memory.dmp

Filesize
176KB

Download
memory/3012-4-0x00000000003F0000-0x00000000004F0000-memory.dmp

Filesize
1024KB

Download
memory/3012-15-0x00000000751F0000-0x000000007521C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads