4f6a14fdfe1ed27721d7e8d09e9524240f912b85a29bc6ba76f6c60508b1e09c

Resubmissions

21-09-2024 10:19

240921-mcrnkaxbpa 3

21-09-2024 10:18

240921-mb4azaxble 3

21-09-2024 09:56

240921-lytjlsweka 10

Analysis

max time kernel
37s
max time network
41s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 10:19

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Report Analysis Logs

General

Target

ef8bef7d1a8ae3ba7e8eb587d183c880_JaffaCakes118.eml
Size

407KB
MD5

ef8bef7d1a8ae3ba7e8eb587d183c880
SHA1

2dc7f3f967fd5616b866f7659cc5f748668a62cd
SHA256

4f6a14fdfe1ed27721d7e8d09e9524240f912b85a29bc6ba76f6c60508b1e09c
SHA512

5d8c5ed789c58699e7bcde0b8234193b733a415bc2a9bea7419239f120446303f969f4f08efcf8f814bbab000a9d9a542bf3d0ce8c10924d450344de5dbc4670
SSDEEP

6144:x8I0ys1egkLahZpu7LpOSQvHPFrC+2F7h+D6/OuA5qR5E6KSpb6odrF9skA8r+R:x8I0ysYdLahIlavHN+57QC53+kA68

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings	OpenWith.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\ef8bef7d1a8ae3ba7e8eb587d183c880_JaffaCakes118.eml:OECustomProperty	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3160	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1116	OpenWith.exe

Suspicious use of SetWindowsHookEx 21 IoCs

pid	Process
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe
1116	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 3160	1116	OpenWith.exe	89
PID 1116 wrote to memory of 3160	1116	OpenWith.exe	89

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ef8bef7d1a8ae3ba7e8eb587d183c880_JaffaCakes118.eml
1⤵
- Modifies registry class
- NTFS ADS
PID:2736

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\ef8bef7d1a8ae3ba7e8eb587d183c880_JaffaCakes118.eml
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ef8bef7d1a8ae3ba7e8eb587d183c880_JaffaCakes118.eml

Filesize
407KB

MD5
ef8bef7d1a8ae3ba7e8eb587d183c880

SHA1
2dc7f3f967fd5616b866f7659cc5f748668a62cd

SHA256
4f6a14fdfe1ed27721d7e8d09e9524240f912b85a29bc6ba76f6c60508b1e09c

SHA512
5d8c5ed789c58699e7bcde0b8234193b733a415bc2a9bea7419239f120446303f969f4f08efcf8f814bbab000a9d9a542bf3d0ce8c10924d450344de5dbc4670

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