1072efad667d604f609fd850a13e54507e23b5ad33b836436267144a4cbd28e2

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 20:12

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General

Target

Blank-Grabber-main/Blank Grabber/Components/stub.py
Size

99KB
MD5

6dc9bbb14ef14c45d4d5d4128dbeb5ef
SHA1

22b444a2d21707449ee8f5cde4cd87bbd63e255f
SHA256

7602997372de338fbe45cb16f6bfe6d0c5bb57634ac7cf64e098a709c939d22c
SHA512

cff7bab1052443397a26aa28395d6cb139d2f270def1c0f811d2e92488e7a71daf460461cec8ea79a2f2fcaf3840b8827e9cf2c6f453fa715ff48e997eeabc3e
SSDEEP

3072:G+RNbizH0U+ma2KJpUrRiwDL0a+P4HmrHnRn:VRNC+UrFq4Kn

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-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\py_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
2808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2808	AcroRd32.exe
2808	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2684	2692	cmd.exe	29
PID 2692 wrote to memory of 2684	2692	cmd.exe	29
PID 2692 wrote to memory of 2684	2692	cmd.exe	29
PID 2684 wrote to memory of 2808	2684	rundll32.exe	30
PID 2684 wrote to memory of 2808	2684	rundll32.exe	30
PID 2684 wrote to memory of 2808	2684	rundll32.exe	30
PID 2684 wrote to memory of 2808	2684	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Blank-Grabber-main\Blank Grabber\Components\stub.py"
1⤵
- Suspicious use of WriteProcessMemory
PID:2692
- 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\Blank Grabber\Components\stub.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2684
- - 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\Blank Grabber\Components\stub.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2808

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

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Downloads

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

Filesize
3KB

MD5
32351a969984bb1d1c85c68eea12dbdc

SHA1
02a49d19ffa784256b9a79d4ebc67545d2abc04b

SHA256
3faf05e21f85570cbf6f5bcdfc7e10b19e6820a2ac4f64c0a448c1b806994cb5

SHA512
f050c6f78f4d0b965fd78c8c442f8c4458daa13e928318ef6e49a36cd0ba2c1915101b5af1004c908d8132c45b54489635c1fca2cba3d5d3f376deebeabc497e

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