ae7215f849ff70a563174c591113f27904d41ba4ca612a840a87b2fe3bb2aead

Analysis

max time kernel
167s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24/11/2022, 03:18

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General

Target

cardGamea/cardGameb.class
Size

14KB
MD5

cbc8317e6e353173077bc853099ac89d
SHA1

92a64abf9a1b7a3d5cdf715ef6a9079e6a99f1cb
SHA256

30b5bc3a2faec721f6da8373c884ac587654b9a3b1416b30ec0195841e65614f
SHA512

7d8509a2ca4d0a40988db28a76a1fbcce9c4ac08aa00cd2b95f73c7a434d8e391b33f3156cdd3092b9b3367484a91a47ee053293b71ebe062b3783ad63195b88
SSDEEP

192:iHBOwXM5QfmGf8/efn0Wd8hqEmUX9c7PzqtMnG6aNU9mYIdMnXkWCeMW2UKPU:FwXTfDEGfn0WdpmA2tx09mYIkxCeThK8

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\class_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\class_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\class_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\class_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\class_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.class	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.class\ = "class_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\class_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
520	AcroRd32.exe
520	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 304 wrote to memory of 1084	304	cmd.exe	28
PID 304 wrote to memory of 1084	304	cmd.exe	28
PID 304 wrote to memory of 1084	304	cmd.exe	28
PID 1084 wrote to memory of 520	1084	rundll32.exe	29
PID 1084 wrote to memory of 520	1084	rundll32.exe	29
PID 1084 wrote to memory of 520	1084	rundll32.exe	29
PID 1084 wrote to memory of 520	1084	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\cardGamea\cardGameb.class
1⤵
- Suspicious use of WriteProcessMemory
PID:304
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\cardGamea\cardGameb.class
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1084
- - 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\cardGamea\cardGameb.class"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:520

Network

MITRE ATT&CK Enterprise v6

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

memory/304-54-0x000007FEFBD81000-0x000007FEFBD83000-memory.dmp

Filesize
8KB

Download
memory/520-82-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

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