f84179c224653f4338b5f9a09fc55db0b53a3f470e20ec02f7ba8052df35d2ab

General

Target

282ef8704418a1fd2279dc2496078d5a_JaffaCakes118.dll
Size

127KB
MD5

282ef8704418a1fd2279dc2496078d5a
SHA1

f039545e2612e0e8f5014b758be8a32170046b9f
SHA256

f84179c224653f4338b5f9a09fc55db0b53a3f470e20ec02f7ba8052df35d2ab
SHA512

6d57d721c43793f7bddbbbdb3a99dd752277fb05385278cc6b0946d3ebac59801711987bec4e5d30d623f19587f19d4ce039cb133da8fecdd8a7fd857ff33e17
SSDEEP

3072:UUkxO1cO5JJL7KWk/iWNZ55YLB2xND3OL5PFn0wcccccccc:6xSvlL7Nk6WV5IB2xND30PFn0wcccccI

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
2	2056	rundll32.exe
3	2712	rundll32.exe

Loads dropped DLL 4 IoCs

pid	Process
2712	rundll32.exe
2712	rundll32.exe
2712	rundll32.exe
2712	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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\{0EC22056-5CA0-4289-9565-B77F5E12B868} = "rundll32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\{0EC22056-5CA0-4289-9565-B77F5E12B868}\\ad5.dll\",DllGetClassObject secret 24312"	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
2056	rundll32.exe
2712	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 2056	2864	rundll32.exe	30
PID 2864 wrote to memory of 2056	2864	rundll32.exe	30
PID 2864 wrote to memory of 2056	2864	rundll32.exe	30
PID 2864 wrote to memory of 2056	2864	rundll32.exe	30
PID 2864 wrote to memory of 2056	2864	rundll32.exe	30
PID 2864 wrote to memory of 2056	2864	rundll32.exe	30
PID 2864 wrote to memory of 2056	2864	rundll32.exe	30
PID 2056 wrote to memory of 2712	2056	rundll32.exe	31
PID 2056 wrote to memory of 2712	2056	rundll32.exe	31
PID 2056 wrote to memory of 2712	2056	rundll32.exe	31
PID 2056 wrote to memory of 2712	2056	rundll32.exe	31
PID 2056 wrote to memory of 2712	2056	rundll32.exe	31
PID 2056 wrote to memory of 2712	2056	rundll32.exe	31
PID 2056 wrote to memory of 2712	2056	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\282ef8704418a1fd2279dc2496078d5a_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\282ef8704418a1fd2279dc2496078d5a_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:2056
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\{0EC22056-5CA0-4289-9565-B77F5E12B868}\ad5.dll",DllGetClassObject secret 24312
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:2712

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\{0EC22056-5CA0-4289-9565-B77F5E12B868}\ad5.dll

Filesize
127KB

MD5
282ef8704418a1fd2279dc2496078d5a

SHA1
f039545e2612e0e8f5014b758be8a32170046b9f

SHA256
f84179c224653f4338b5f9a09fc55db0b53a3f470e20ec02f7ba8052df35d2ab

SHA512
6d57d721c43793f7bddbbbdb3a99dd752277fb05385278cc6b0946d3ebac59801711987bec4e5d30d623f19587f19d4ce039cb133da8fecdd8a7fd857ff33e17

Download Submit
memory/2056-0-0x0000000074E20000-0x0000000074E4B000-memory.dmp

Filesize
172KB

Download
memory/2056-2-0x0000000000690000-0x0000000000790000-memory.dmp

Filesize
1024KB

Download
memory/2056-3-0x0000000074E20000-0x0000000074E4B000-memory.dmp

Filesize
172KB

Download
memory/2056-5-0x0000000074E20000-0x0000000074E4B000-memory.dmp

Filesize
172KB

Download
memory/2056-13-0x0000000000690000-0x0000000000790000-memory.dmp

Filesize
1024KB

Download
memory/2712-11-0x0000000073F60000-0x0000000073F8B000-memory.dmp

Filesize
172KB

Download
memory/2712-14-0x00000000008C0000-0x00000000009C0000-memory.dmp

Filesize
1024KB

Download
memory/2712-16-0x0000000073F60000-0x0000000073F8B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads