104467eabb4d0c5ba5ea2d6ae8d01ac864e4d253380fa3fc9125d4d3e5fa2c4e

General

Target

0f65af85eda35e31c87c2574405ee38e_JaffaCakes118.dll
Size

129KB
MD5

0f65af85eda35e31c87c2574405ee38e
SHA1

f786502e014f0a8c340da84a9639d5eddbd04aa9
SHA256

104467eabb4d0c5ba5ea2d6ae8d01ac864e4d253380fa3fc9125d4d3e5fa2c4e
SHA512

8379f7ba297f0b04b2ba32034e93997700b4a189d94a8d37a2402cc65819fb76b3d345d18311b44a53c630049bebf316130d398b580a9bd6095d605e0e5fc519
SSDEEP

3072:FlH4/zrJb+zBZuCnU4OrwFyGfbY2ZBro29HOL5PFn0wcccccccc:FlH4/zJY7bnGqrjroAH0PFn0wccccccz

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
2	2236	rundll32.exe
3	2592	rundll32.exe

Loads dropped DLL 4 IoCs

pid	Process
2592	rundll32.exe
2592	rundll32.exe
2592	rundll32.exe
2592	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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\{825F41A4-1329-4426-BC78-B07AB6D01A88} = "rundll32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\{825F41A4-1329-4426-BC78-B07AB6D01A88}\\5dfa.dll\",DllGetClassObject secret 10326"	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
2236	rundll32.exe
2592	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2236	2844	rundll32.exe	28
PID 2844 wrote to memory of 2236	2844	rundll32.exe	28
PID 2844 wrote to memory of 2236	2844	rundll32.exe	28
PID 2844 wrote to memory of 2236	2844	rundll32.exe	28
PID 2844 wrote to memory of 2236	2844	rundll32.exe	28
PID 2844 wrote to memory of 2236	2844	rundll32.exe	28
PID 2844 wrote to memory of 2236	2844	rundll32.exe	28
PID 2236 wrote to memory of 2592	2236	rundll32.exe	29
PID 2236 wrote to memory of 2592	2236	rundll32.exe	29
PID 2236 wrote to memory of 2592	2236	rundll32.exe	29
PID 2236 wrote to memory of 2592	2236	rundll32.exe	29
PID 2236 wrote to memory of 2592	2236	rundll32.exe	29
PID 2236 wrote to memory of 2592	2236	rundll32.exe	29
PID 2236 wrote to memory of 2592	2236	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f65af85eda35e31c87c2574405ee38e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f65af85eda35e31c87c2574405ee38e_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:2236
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\{825F41A4-1329-4426-BC78-B07AB6D01A88}\5dfa.dll",DllGetClassObject secret 10326
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:2592

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\{825F41A4-1329-4426-BC78-B07AB6D01A88}\5dfa.dll

Filesize
129KB

MD5
0f65af85eda35e31c87c2574405ee38e

SHA1
f786502e014f0a8c340da84a9639d5eddbd04aa9

SHA256
104467eabb4d0c5ba5ea2d6ae8d01ac864e4d253380fa3fc9125d4d3e5fa2c4e

SHA512
8379f7ba297f0b04b2ba32034e93997700b4a189d94a8d37a2402cc65819fb76b3d345d18311b44a53c630049bebf316130d398b580a9bd6095d605e0e5fc519

Download Submit
memory/2236-2-0x0000000002330000-0x0000000002430000-memory.dmp

Filesize
1024KB

Download
memory/2236-0-0x0000000074F40000-0x0000000074F6C000-memory.dmp

Filesize
176KB

Download
memory/2236-3-0x0000000074F40000-0x0000000074F6C000-memory.dmp

Filesize
176KB

Download
memory/2236-14-0x0000000074F40000-0x0000000074F6C000-memory.dmp

Filesize
176KB

Download
memory/2592-11-0x0000000074A70000-0x0000000074A9C000-memory.dmp

Filesize
176KB

Download
memory/2592-13-0x0000000000730000-0x0000000000830000-memory.dmp

Filesize
1024KB

Download
memory/2592-15-0x0000000074A70000-0x0000000074A9C000-memory.dmp

Filesize
176KB

Download
memory/2592-19-0x0000000000730000-0x0000000000830000-memory.dmp

Filesize
1024KB

Download
memory/2592-20-0x0000000074A70000-0x0000000074A9C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads