eb4a7d75e1661dc1d9e158317a788eaf1c280da115c0c78662d0cba514b1e59b

Analysis

max time kernel
149s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
04/02/2023, 21:09

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General

Target

Setup.7z
Size

6.7MB
MD5

fcedea00be689e2af3ae1043242e5077
SHA1

db509baceeb7610c165b4d5042bb7ea562eb1620
SHA256

eb4a7d75e1661dc1d9e158317a788eaf1c280da115c0c78662d0cba514b1e59b
SHA512

3d4578cb24e5abc9959c2579c3b405358e7e7a664d418ccd844fce7af8a6f1bbd6cfd9cce69a0e43c0513e7cfc2c8f545a1545ea425595377534dae840b13656
SSDEEP

196608:PYWdEDom53foHJix3r7ZVVwkNynwYWdElomWmfoH39ZVdwkx:PYXv1f+ox3rVjRDYXl5f+3zrRx

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-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.7z\ = "7z_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\7z_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\7z_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\7z_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\7z_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\7z_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.7z	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\7z_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 1488	1196	cmd.exe	28
PID 1196 wrote to memory of 1488	1196	cmd.exe	28
PID 1196 wrote to memory of 1488	1196	cmd.exe	28
PID 1488 wrote to memory of 1064	1488	rundll32.exe	29
PID 1488 wrote to memory of 1064	1488	rundll32.exe	29
PID 1488 wrote to memory of 1064	1488	rundll32.exe	29
PID 1488 wrote to memory of 1064	1488	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Setup.7z
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Setup.7z
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1488
- - 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\Setup.7z"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1064

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/1064-82-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

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memory/1196-54-0x000007FEFBC31000-0x000007FEFBC33000-memory.dmp

Filesize
8KB

Download