72b5e76a8256cf479be8ab736165302405cc399be066f8b9d7eb1ba52520e3c1

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03/02/2024, 06:46

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Analysis

max time kernel
122s
max time network
130s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 06:46

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Report Analysis Logs

General

Target

RAM_Data/ScriptingAssemblies.json
Size

3KB
MD5

c4493529b0156b989b98a5a1e4b9bcea
SHA1

c5568c01a20e7464a89b42950612757d0e817278
SHA256

93946d270caa5b8b4d40bd92719ff26d1008f72d5df51f95567099b359c068bf
SHA512

7ad7642ba627520f0ab4c06893ead8f2f1edf7111bca3ef110a0493c895e252626b61a0b4c766b82545febbab42592917901fc283e55a83d50edbbdf98e1ef2c

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3028	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3028	AcroRd32.exe
3028	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 2788	2832	cmd.exe	29
PID 2832 wrote to memory of 2788	2832	cmd.exe	29
PID 2832 wrote to memory of 2788	2832	cmd.exe	29
PID 2788 wrote to memory of 3028	2788	rundll32.exe	30
PID 2788 wrote to memory of 3028	2788	rundll32.exe	30
PID 2788 wrote to memory of 3028	2788	rundll32.exe	30
PID 2788 wrote to memory of 3028	2788	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RAM_Data\ScriptingAssemblies.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2832
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RAM_Data\ScriptingAssemblies.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2788
- - 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\RAM_Data\ScriptingAssemblies.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3028

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\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
6befe549dc2499bb6fc963b610507f20

SHA1
c9c9b03cffa425a4d642250c08f913b28340830c

SHA256
294de39a71e42419c39d60582b3172e54e5af0dd2a59aed3fbd12e2df8c261a1

SHA512
35b13e075bccae48aff9ceeff63e5fa121087e3d3e6d90eabd2ad17aec01db8d12d1ac776d7dd170363a17e9faaf356ed4af5eaa9c7a46f3f909bd20354e3280

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