cc58635de4a9d9843ee909fbb89cc061347dd63fa9e48b19716794238178cc22

Resubmissions

21/02/2024, 14:47

240221-r547kshc7v 3

21/02/2024, 14:26

240221-rrz1pshe46 3

21/02/2024, 14:23

240221-rqhd9shd98 3

Analysis

max time kernel
147s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21/02/2024, 14:47

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General

Target

app.py
Size

2KB
MD5

befa40113608c40a268e7963ee682aee
SHA1

08baa05d0394fc8f7dd0221b0f6b9c4e257cdc4e
SHA256

cc58635de4a9d9843ee909fbb89cc061347dd63fa9e48b19716794238178cc22
SHA512

65c3e75d1264dfa791b7613e315dc332496de1150aeca04501d96b32b0cac85edcaaa28f839c1f2ac4a93cb3b2de278855b8654d60ba91c2a3208fb133b8ccf4

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-1-5-21-1268429524-3929314613-1992311491-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 2820	1648	cmd.exe	29
PID 1648 wrote to memory of 2820	1648	cmd.exe	29
PID 1648 wrote to memory of 2820	1648	cmd.exe	29
PID 2820 wrote to memory of 2740	2820	rundll32.exe	30
PID 2820 wrote to memory of 2740	2820	rundll32.exe	30
PID 2820 wrote to memory of 2740	2820	rundll32.exe	30
PID 2820 wrote to memory of 2740	2820	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\app.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\app.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2820
- - 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\app.py"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2740

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:268

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2276

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
6818d8bfc237ac74633c0ce7e9026ea3

SHA1
5deb8ad2eaed69ad9bcb6c715a6ed6313eec4e56

SHA256
8e7254bfda55700fef948d9d434c3597f09f10cd5555b90fcb6de72206e51040

SHA512
46d6a0ecbf9e59f90d7abb3bad992e08a246993dd06c244f1457b821821d5bf1c38757812b4c67f5103a4ae931af14b225a4b549501e482c8d2cb0cb64fb7ed1

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