4d63caee8d2c5e50ebb220e6aa593fe852a516e209006ba0a16507907125f46c

Analysis

max time kernel
155s
max time network
149s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
16/11/2023, 09:02 UTC

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General

Target

data.unity3d
Size

79.3MB
MD5

4b1a0297095b510598eee52a46aad239
SHA1

afc9b07a06f7ae61b03a0af9166055106644219e
SHA256

54bcfb17f1e1d1c57f00deda8a4a54b0ba9b461a939b35227cf8c97bd13f06d5
SHA512

a1088ba92b6986ba2612042e6cdeb689aa9c83bc92f120d1a90baa329283f75fb42e4db1b1f54e90bb2ae8fc25e85416126f54b921a3c54bea4fa350d75a0099
SSDEEP

1572864:ixkfst5mxqxiGEcP+M/EN3boVlQmwvdidKvOhmlktA40:ckfqgGEcP+Me3EVl8mKvemlkq40

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-1-5-21-1154728922-3261336865-3456416385-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\unity3d_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\unity3d_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\unity3d_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\unity3d_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.unity3d	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.unity3d\ = "unity3d_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\unity3d_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\unity3d_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2104	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2104	AcroRd32.exe
2104	AcroRd32.exe
2104	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2796	2120	cmd.exe	29
PID 2120 wrote to memory of 2796	2120	cmd.exe	29
PID 2120 wrote to memory of 2796	2120	cmd.exe	29
PID 2796 wrote to memory of 2104	2796	rundll32.exe	30
PID 2796 wrote to memory of 2104	2796	rundll32.exe	30
PID 2796 wrote to memory of 2104	2796	rundll32.exe	30
PID 2796 wrote to memory of 2104	2796	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data.unity3d
1⤵
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\data.unity3d
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2796
- - 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\data.unity3d"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2104

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
4ab1f75c1f6d97d758a40396586663c0

SHA1
27d31afb7a907922cced57b5bc38eaf89d87ef46

SHA256
03435bd898842dbe486c730ae4977c3fb02d60eea37996ab56b070348a6bacec

SHA512
30c167f9fe185c483bdbd386075ec7d661d30e40576ff87c3efc654ce41dca337dcb1edb2535cb2d9c842a1c00ced6cd111fe597cfea3b18f85b14e10aeb75d1

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