3cc45938cb4a968e922e32353d98bbfb5184d214f462dbfd34f4c1455e58fcb7

Analysis

max time kernel
1799s
max time network
1569s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
10-10-2023 10:22

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General

Target

2nd calculator.py
Size

1KB
MD5

7f222adf14e769558ef67ee5028335d7
SHA1

34db71a1801ff9f4bb6c9ce477695715db854cb0
SHA256

3cc45938cb4a968e922e32353d98bbfb5184d214f462dbfd34f4c1455e58fcb7
SHA512

60e847ecd5381ca89f864270da46ad379770fe426f6336a9335d4fbfb9f1abde4a2f9627de6b0df0a6ad0f438fc9ecee5e23f0f8ec400166ccc2235b4089102a

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-1-5-21-3849525425-30183055-657688904-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3032	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2660	1856	cmd.exe	29
PID 1856 wrote to memory of 2660	1856	cmd.exe	29
PID 1856 wrote to memory of 2660	1856	cmd.exe	29
PID 2660 wrote to memory of 3032	2660	rundll32.exe	30
PID 2660 wrote to memory of 3032	2660	rundll32.exe	30
PID 2660 wrote to memory of 3032	2660	rundll32.exe	30
PID 2660 wrote to memory of 3032	2660	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\2nd calculator.py"
1⤵
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\2nd calculator.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2660
- - 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\2nd calculator.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3032

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
12d7a88d1e359af8d62cff869804472a

SHA1
d4f41abf62b0cb45d8f15141758fac6e13744082

SHA256
0ed784410d528624715f27200c31b1fcccfe06796e5624421d314358f404e2a1

SHA512
a3f62538eb1ccc9c1a54fc3acf8219ce1858687d44bd33a71b76b4ef4d43dd8c614121ef2fbf8c18bdeb72b9e54e2c4616846f8af4a785adb0321bd96b50c9a6

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