ace56fea4b7af878e92fa3caa903c1dd21e0b3b43c96ba114e682afa1c2413ed

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 22:18

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General

Target

Blank-Grabber-main/changelog.md
Size

1KB
MD5

69b5d5379cc6ac58537fb1d83d148b05
SHA1

00cad544ac33a7adf5cf84ee80705584d6115ff1
SHA256

e1eb49bc87856e201d6d080237f82a6cb4c9bdc5e870c238113a4afb0bda7917
SHA512

7a4aeed9b1df82dd31e0df0517da7f0ae6ecc4db5691335c260a8312e7f0c8418f952741888829830252c3b27a86496955691b5282d86af32f4c96696f0ac6a6

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-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\md_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\md_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.md	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\md_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1740	AcroRd32.exe
1740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2756	2204	cmd.exe	29
PID 2204 wrote to memory of 2756	2204	cmd.exe	29
PID 2204 wrote to memory of 2756	2204	cmd.exe	29
PID 2756 wrote to memory of 1740	2756	rundll32.exe	30
PID 2756 wrote to memory of 1740	2756	rundll32.exe	30
PID 2756 wrote to memory of 1740	2756	rundll32.exe	30
PID 2756 wrote to memory of 1740	2756	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Blank-Grabber-main\changelog.md
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Blank-Grabber-main\changelog.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2756
- - 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\Blank-Grabber-main\changelog.md"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1740

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
6b78ec92ef7f6c12962d40bf5152b0fc

SHA1
2478e64f703b8c6ce3033cbf8846325dc7a0c7eb

SHA256
cac8023350990556b2caefb518dcc766c5b740658c08a058261a018748b324b7

SHA512
467c467c83fc5d5721f401980f6cddb78979129167151b371915ad39fbb7c10f7e770e8fb48996d3d16773f2128b3e36f9c6030477617ecf84437cb6a240a074

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