75a3295f8c688359fcb7555b80e3f71ee42c5ac1d4525a39b2571107acf06a45

Analysis

max time kernel
121s
max time network
128s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01/06/2024, 12:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

config.json
Size

3KB
MD5

3bea77ef233e2e32636ba889ceb489e3
SHA1

6a0a6be2e24cd5497fbf0298e244234716f5419a
SHA256

a8732f591cbed2b2ab923236d22948f10cb7c4011d6a1018be2fe3c8e8fbf5f2
SHA512

c924567c6c683b90b6dd31af7e976a8222d164c99137b38149ef79d4a1222b35c8bdfef155ee071e66c38b1601f3868c22c30d477fbc5f2dcd7599cd7f4be707

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2352	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2352	AcroRd32.exe
2352	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 1532	2236	cmd.exe	31
PID 2236 wrote to memory of 1532	2236	cmd.exe	31
PID 2236 wrote to memory of 1532	2236	cmd.exe	31
PID 1532 wrote to memory of 2352	1532	rundll32.exe	32
PID 1532 wrote to memory of 2352	1532	rundll32.exe	32
PID 1532 wrote to memory of 2352	1532	rundll32.exe	32
PID 1532 wrote to memory of 2352	1532	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\config.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\config.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1532
- - 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\config.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2352

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

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
32cb301ef3d48eadf0b0cf4daef31a83

SHA1
10cd73b16c648d7a3c2f24ea1b2b3cbe2d235e77

SHA256
e71750459aa8fb1eda4b39af384a65b864acb1a3adb14add00f4c23574696b1d

SHA512
18dcb7f139bea86157a876227664a799ad6915b1181d1b1dd91495785be049fec060f2c912e115506c1ac337d22428126435914befb7027b5f46c15fab7fda42

Download Submit