e5beefef06176fb3e55d48b5acd73fa75221d0a4b5d6c8f182034f208a29c622

Analysis

max time kernel
104s
max time network
69s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/03/2024, 19:00

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General

Target

IA-1.0-pc/renpy/curry.pyo
Size

2KB
MD5

7d9c449b312214e3c7067c655764e295
SHA1

045d97aa69cb21ebc0906ac245cf09befa7ac000
SHA256

c6aa0debeaf3653d5bce9bcce6c2d96433be1780a6123b8993240cc71aefb5f5
SHA512

5d00084cffd007462bd063ec301384cb5cbd45b6b2ea1339e23bfd552060e8a443d4474835025af7179c29b90f5b18647572ace1109016d6a34385e5f89b18ca

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
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyo_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyo_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyo_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyo_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyo_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyo_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyo	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyo\ = "pyo_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2396	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2396	AcroRd32.exe
2396	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2660	2552	cmd.exe	31
PID 2552 wrote to memory of 2660	2552	cmd.exe	31
PID 2552 wrote to memory of 2660	2552	cmd.exe	31
PID 2660 wrote to memory of 2396	2660	rundll32.exe	32
PID 2660 wrote to memory of 2396	2660	rundll32.exe	32
PID 2660 wrote to memory of 2396	2660	rundll32.exe	32
PID 2660 wrote to memory of 2396	2660	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\IA-1.0-pc\renpy\curry.pyo
1⤵
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\IA-1.0-pc\renpy\curry.pyo
  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\IA-1.0-pc\renpy\curry.pyo"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2396

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
f44be0ae2894a7791a5e50d19abce75c

SHA1
749d8f288ac2de9b571397cdd00e1e63be180cab

SHA256
8e136210e25af34463d97535ba4e9fff862517f806ee7db9729375805d2b7118

SHA512
b27aee4efef1587a6c058e47bfa16035c574f47db0800c70487b8008b915267a343c870a864fbc34f3ac24e932723648eef31bb8e819dfdc1e4c49e5a79dfbbf

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