eb3a0dde867994262fd22df0f5011cda8f7152a43da08b9a52c25d7f24bc24c2

Analysis

max time kernel
237s
max time network
146s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11-10-2023 05:26

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General

Target

exe.win-amd64-3.11/lib/Cryptodome/Cipher/AES.pyc
Size

8KB
MD5

feacb7a61455be14be008e1074f849e9
SHA1

8ce9c63b8410a53a459e0388cc482f8b985e2342
SHA256

47dab4326f983b329e3bb7b91f6284c9644ca0d3e3c4d11ce59c4514bb2c32f7
SHA512

2c57a7445fcae606007958158c77fe084c5ad0feab027427057e2b7da39d26d305c86d934963dedd7decda4fe4ddfe4bcb9fa712515c9d3f749f291647b7b354
SSDEEP

192:8e65nM89EXW/NjsHXk/y+ItPdZ9QjLslFdgggy/o:8/9BVhGtPFQjLslFTo

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-1-5-21-3513876443-2771975297-1923446376-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_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
2984	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2984	AcroRd32.exe
2984	AcroRd32.exe
2984	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2788	2680	cmd.exe	29
PID 2680 wrote to memory of 2788	2680	cmd.exe	29
PID 2680 wrote to memory of 2788	2680	cmd.exe	29
PID 2788 wrote to memory of 2984	2788	rundll32.exe	30
PID 2788 wrote to memory of 2984	2788	rundll32.exe	30
PID 2788 wrote to memory of 2984	2788	rundll32.exe	30
PID 2788 wrote to memory of 2984	2788	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\exe.win-amd64-3.11\lib\Cryptodome\Cipher\AES.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\exe.win-amd64-3.11\lib\Cryptodome\Cipher\AES.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2788
- - 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\exe.win-amd64-3.11\lib\Cryptodome\Cipher\AES.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2984

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
d661b846001dbfe3d8dffd296c40dcf4

SHA1
b9d55c0c600d423ba2241671f73be5f35da6bfff

SHA256
11d86394e37214528dff8a230f040227a361ab2faef027ee3b18b8d56799ef02

SHA512
edccdf92df7ac1fa7b8e8802545c880c855d2c6e475090ddfa48fa1dc59c5c1a5b0f43d0f853d6f76199877f13135776ca12cf743b9e8a18e6e4f8e6d53a0f4c

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