a73f041afa6413f0fd67e9672bc4b956c9be1ca2f4de3bcf6455d5e0d3c67b89

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11-05-2024 13:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cryptic tool/util/23_WebHRemover/webhremover.py
Size

737B
MD5

1789276671392f39bcf0463383fdb54b
SHA1

75bcb0d93808e494514fe872a6711ddbde4bce6f
SHA256

6d845feee54a7b354ea19c67ff46ce2e58eadfbaf257bbfa9e75f4e2b6e375fe
SHA512

3a48f505ad617032f914f581f808ff8d0d2a0daa356a126f85d9733678993bc3283fbd00c22352924021b52b2233c41ffde07c10d0f8068bea5510abbc3aeed5

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-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2976	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2976	AcroRd32.exe
2976	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 2652	808	cmd.exe	29
PID 808 wrote to memory of 2652	808	cmd.exe	29
PID 808 wrote to memory of 2652	808	cmd.exe	29
PID 2652 wrote to memory of 2976	2652	rundll32.exe	30
PID 2652 wrote to memory of 2976	2652	rundll32.exe	30
PID 2652 wrote to memory of 2976	2652	rundll32.exe	30
PID 2652 wrote to memory of 2976	2652	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\cryptic tool\util\23_WebHRemover\webhremover.py"
1⤵
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\cryptic tool\util\23_WebHRemover\webhremover.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2652
- - 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\cryptic tool\util\23_WebHRemover\webhremover.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2976

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

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
c40bb7403a2551da9ba32a8e6c32976d

SHA1
2ea25292e15a03668d8110824ff41da2387c9477

SHA256
90d1edbcd7c1a0be13a08c757020e46d1897cd3ff999e94b795ee10a808fd22d

SHA512
9ddc4cf6c9201e4448f1901869dfb9320080260bb196c9ddd635ebe343bde9c79d9fc093957f50be4dfb24696d099862833b886ae65aa87748cdeb52180b22d5

Download Submit