f6787d31ffd66853f1c15c4b7de175a76e02b6fe36523ebf97e3622cf3111dc7

Resubmissions

15-03-2024 16:58

240315-vg366ade8s 10

14-03-2024 21:29

240314-1bxebafg2y 10

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14-03-2024 21:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

creal.pyc
Size

32KB
MD5

686377a51e2d22fc749548894f57830e
SHA1

6c182815705ce635827e3c61a475743c8bb255c0
SHA256

e22abb31b07bf5fc19806087f3c921738fba5a9ce7c0ec190f83e5f3d77bfd79
SHA512

5710d83f8715d6e262e9352e8e8d25b719f01481c56a5017940936d7c5040cb05a5d73b7f56d849abb3164bf840317d6e5908742eeed601ac3a82788bf5fca85
SSDEEP

768:L8DnrjC2VsfNEiyAuAfKFMrRtfqtvEwS7bnjerAroaHjsIAvN8YC06X:IjrjQe3aKFcfDwS7fuPviYD6X

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_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
2600	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2600	AcroRd32.exe
2600	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2684	2744	cmd.exe	29
PID 2744 wrote to memory of 2684	2744	cmd.exe	29
PID 2744 wrote to memory of 2684	2744	cmd.exe	29
PID 2684 wrote to memory of 2600	2684	rundll32.exe	30
PID 2684 wrote to memory of 2600	2684	rundll32.exe	30
PID 2684 wrote to memory of 2600	2684	rundll32.exe	30
PID 2684 wrote to memory of 2600	2684	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\creal.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\creal.pyc
  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\creal.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2600

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
e18363bebc4f83202b85820c0301842b

SHA1
4a6b4307df67035ea3633fa5ed159976f05ba4d3

SHA256
b14456dfc6216135d14e2fe8ff9f6f295acc72141e1cfc49c5f076e16313c74d

SHA512
d1a214de00a8104c3a10ba56ac8eecf3dcb35d0c9938ac112d61bab17d9ec554f13d81b4fd3f8f7b20bb962def1e47848eb8220badc6e2a7c92a53cae8ec158e

Download Submit