0bf30e9e9446bb909d3459669312f5982f6af0a3dd1d61eb141c386785b52331

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 11:22

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General

Target

R B X 1 2 5/cacert.pem
Size

2KB
MD5

39f89143815797c4a41c62f30f137094
SHA1

39a602c37ee958e5a5779c167ea095a56f0218e4
SHA256

5513aa54afe134569e08b27aa61e60e888ab31d9e112f8c5881adbaecc817678
SHA512

02cfee4a3fdc728e63e5a63797c58c5a6fbd805f6f6e5c0ab4e5dbf1d1701636a6aefc94095096b627b7475e731327d620c519ddc1a65b3ee49dd41b4d219d6d

Score

3^/10

discovery

Malware Config

Signatures

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 1 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	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.pem	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.pem\ = "pem_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pem_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pem_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pem_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pem_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pem_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pem_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2924	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2924	AcroRd32.exe
2924	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 876	2096	cmd.exe	32
PID 2096 wrote to memory of 876	2096	cmd.exe	32
PID 2096 wrote to memory of 876	2096	cmd.exe	32
PID 876 wrote to memory of 2924	876	rundll32.exe	33
PID 876 wrote to memory of 2924	876	rundll32.exe	33
PID 876 wrote to memory of 2924	876	rundll32.exe	33
PID 876 wrote to memory of 2924	876	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\R B X 1 2 5\cacert.pem"
1⤵
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\R B X 1 2 5\cacert.pem
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:876
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\R B X 1 2 5\cacert.pem"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
d8c718743fb0d0043c5d25d109391761

SHA1
37c6dc60d505d805cab84b2b3d72426a240ca29c

SHA256
1c93d7668b4e86674a07887d28985434df4fdc752d58849ba6b5fd6166bfe3fc

SHA512
6a33a71da3b2699dead8fe176d7bc8afcc23ee5cae0c05f35366ed462139c26eea8838771ad8343b6f090a57ace9f73b16c4b23e8bcf323c83b80add7f24a450

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