653130a53cfa35d8018d8aab764b8965d78961459ed319649e4f847b03cb822a

Analysis

max time kernel
150s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
05-12-2022 17:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

almost_evil_2.sh
Size

25B
MD5

e227330687f8bf5eec4165a9cd232471
SHA1

2583bab0a298af17150189b63a84031fff189d8b
SHA256

653130a53cfa35d8018d8aab764b8965d78961459ed319649e4f847b03cb822a
SHA512

62c538e744b063bf71f3e160e8b50fbd2fdde4662c7f3dc39eb4f164cbe0aafee78e0ac4819be218015de6e3078fd1c203cb02c83d969854ffeaf4a1c45351ff

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
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\sh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.sh	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1808	AcroRd32.exe
1808	AcroRd32.exe
1808	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1788	1672	cmd.exe	28
PID 1672 wrote to memory of 1788	1672	cmd.exe	28
PID 1672 wrote to memory of 1788	1672	cmd.exe	28
PID 1788 wrote to memory of 1808	1788	rundll32.exe	29
PID 1788 wrote to memory of 1808	1788	rundll32.exe	29
PID 1788 wrote to memory of 1808	1788	rundll32.exe	29
PID 1788 wrote to memory of 1808	1788	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\almost_evil_2.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\almost_evil_2.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1788
- - 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\almost_evil_2.sh"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1808

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

Loading Replay Monitor...

Downloads

memory/1672-54-0x000007FEFBC01000-0x000007FEFBC03000-memory.dmp

Filesize
8KB

Download
memory/1788-76-0x0000000000000000-mapping.dmp

Download
memory/1808-81-0x0000000000000000-mapping.dmp

Download
memory/1808-82-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download