d311715788711fba67a34f9a192c79dd5856980f2c51ad9a1d4f6068094ff0c5

Analysis

max time kernel
150s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
12/03/2023, 03:14

Target

checksum.md5
Size

976B
MD5

3a358162338d119abacb04f793c9d6ea
SHA1

4632e350cb16b52a5004bdfea2634c29967d46bf
SHA256

68338580c8fa91a8ea188ec035c6a966419afdb748a7f84a8ead02910c9f932e
SHA512

69178433c3a6085a22a2f59fbf1de5b653aecc2a445f8cb7e86e400da737e3b8c6c853e4ae5096eebc6b80a9d34cf70471412c9cbd24f3ed22757a8de86c3d1c

Score

3^/10

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-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.md5	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\md5_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\md5_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\md5_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\md5_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.md5\ = "md5_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\md5_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\md5_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 1856	1676	cmd.exe	29
PID 1676 wrote to memory of 1856	1676	cmd.exe	29
PID 1676 wrote to memory of 1856	1676	cmd.exe	29
PID 1856 wrote to memory of 780	1856	rundll32.exe	30
PID 1856 wrote to memory of 780	1856	rundll32.exe	30
PID 1856 wrote to memory of 780	1856	rundll32.exe	30
PID 1856 wrote to memory of 780	1856	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\checksum.md5
1⤵
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\checksum.md5
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1856
- - 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\checksum.md5"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:780

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact