b0534b9267e19764f277eb082fea0a10a3788a885c701585e64b9ee0d40b8432

General

Target

0fdc30140bc0bc502bf7b64baa7160dc_JaffaCakes118.dll
Size

129KB
MD5

0fdc30140bc0bc502bf7b64baa7160dc
SHA1

0de530195c992741d986a7e41ca899bb0dd33d43
SHA256

b0534b9267e19764f277eb082fea0a10a3788a885c701585e64b9ee0d40b8432
SHA512

256d0969b3e3db80a600ad49c9cbc1ab4b49f308bb4708f2fb1cfc6d7bbb0441c186e7ec60f359200398ce7de523c40c8b8cbe043b4d420de879bcad22b1260c
SSDEEP

3072:6aoJIvXFc9JZR+1z4aeW7M6noa9HOL5PFn0wcccccccc:teaeI1zperAoa9H0PFn0wcccccccc

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
2	1184	rundll32.exe
3	2612	rundll32.exe

Loads dropped DLL 4 IoCs

pid	Process
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	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-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\{4F3158A8-F484-438C-B676-5F136CAA2E87} = "rundll32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\{4F3158A8-F484-438C-B676-5F136CAA2E87}\\4a2.dll\",DllGetClassObject secret 29352"	rundll32.exe

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

System Information Discovery
T1082

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
1184	rundll32.exe
2612	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 1184	2428	rundll32.exe	28
PID 2428 wrote to memory of 1184	2428	rundll32.exe	28
PID 2428 wrote to memory of 1184	2428	rundll32.exe	28
PID 2428 wrote to memory of 1184	2428	rundll32.exe	28
PID 2428 wrote to memory of 1184	2428	rundll32.exe	28
PID 2428 wrote to memory of 1184	2428	rundll32.exe	28
PID 2428 wrote to memory of 1184	2428	rundll32.exe	28
PID 1184 wrote to memory of 2612	1184	rundll32.exe	29
PID 1184 wrote to memory of 2612	1184	rundll32.exe	29
PID 1184 wrote to memory of 2612	1184	rundll32.exe	29
PID 1184 wrote to memory of 2612	1184	rundll32.exe	29
PID 1184 wrote to memory of 2612	1184	rundll32.exe	29
PID 1184 wrote to memory of 2612	1184	rundll32.exe	29
PID 1184 wrote to memory of 2612	1184	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0fdc30140bc0bc502bf7b64baa7160dc_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0fdc30140bc0bc502bf7b64baa7160dc_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Adds Run key to start application
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1184
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\{4F3158A8-F484-438C-B676-5F136CAA2E87}\4a2.dll",DllGetClassObject secret 29352
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:2612

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\{4F3158A8-F484-438C-B676-5F136CAA2E87}\4a2.dll

Filesize
129KB

MD5
0fdc30140bc0bc502bf7b64baa7160dc

SHA1
0de530195c992741d986a7e41ca899bb0dd33d43

SHA256
b0534b9267e19764f277eb082fea0a10a3788a885c701585e64b9ee0d40b8432

SHA512
256d0969b3e3db80a600ad49c9cbc1ab4b49f308bb4708f2fb1cfc6d7bbb0441c186e7ec60f359200398ce7de523c40c8b8cbe043b4d420de879bcad22b1260c

Download Submit
memory/1184-0-0x0000000074D60000-0x0000000074D8C000-memory.dmp

Filesize
176KB

Download
memory/1184-2-0x00000000006D0000-0x00000000007D0000-memory.dmp

Filesize
1024KB

Download
memory/1184-3-0x0000000074D60000-0x0000000074D8C000-memory.dmp

Filesize
176KB

Download
memory/1184-13-0x00000000006D0000-0x00000000007D0000-memory.dmp

Filesize
1024KB

Download
memory/1184-14-0x0000000074D60000-0x0000000074D8C000-memory.dmp

Filesize
176KB

Download
memory/2612-11-0x0000000074970000-0x000000007499C000-memory.dmp

Filesize
176KB

Download
memory/2612-15-0x0000000074970000-0x000000007499C000-memory.dmp

Filesize
176KB

Download
memory/2612-17-0x0000000074970000-0x000000007499C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads