040d9fb3e529cd3ce1169261e30c45fd1773987ed4a28696772cb67e39a730bb

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
18-12-2023 15:25

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General

Target

Noru.py
Size

42KB
MD5

89c1b770039b4f897f2cb1cd06e75938
SHA1

96d9a792bc615342d1a2d4a4b42965f0e3dc01d1
SHA256

040d9fb3e529cd3ce1169261e30c45fd1773987ed4a28696772cb67e39a730bb
SHA512

04e529b559bc032ab411f6ad6d62585aad49ea808b66dbc962f90a329c157a36b4ae72deaa301afcf747bb31810d0be258450dfbf301a9fd5c9c77641d53ec9c
SSDEEP

768:Q1DAWRmnXeihOCSlqLCxzAj6VppDPi7WR:Q1kWRmnhhFSQLhmVpoWR

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-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_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
2612	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2612	AcroRd32.exe
2612	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 2584	2164	cmd.exe	29
PID 2164 wrote to memory of 2584	2164	cmd.exe	29
PID 2164 wrote to memory of 2584	2164	cmd.exe	29
PID 2584 wrote to memory of 2612	2584	rundll32.exe	30
PID 2584 wrote to memory of 2612	2584	rundll32.exe	30
PID 2584 wrote to memory of 2612	2584	rundll32.exe	30
PID 2584 wrote to memory of 2612	2584	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Noru.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Noru.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2584
- - 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\Noru.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2612

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
1d0c8d039a6bab48673decb4e5f9086c

SHA1
c3e81e93099c12da752425675c89ce55d1896b15

SHA256
ac5e534c45293cad6810dffb85a87f53469c132d30796ee8299e8c7ba1b6a33a

SHA512
f3673b8ed9e5492e97e6d54793af37e9edd6f2abf4a4a9fd16d88d194caa62a4cd0296766061dceb64bb7b5112136fea943cf1621c3917eba3ba4e12949a80d8

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