d8c486b2f0ff5b9a848eaea13f484cbb6db5f38fe8241ac205c676234b7bc39a

Analysis

max time kernel
150s
max time network
31s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
16/04/2023, 06:37

Target

GWYF_Fix_Repair_Steam_V6_Generic/OnlineFix.json
Size

65B
MD5

bfde3a4f64569a837a692e68b87e8987
SHA1

ec9c3b3639ff0fd097c45d07347c9982c695543b
SHA256

427d4d459e53c6c734081fc97b2d7e0f86668c6fe0a978ea7c35abd7bf811954
SHA512

3c5e94bcbbcd0095da5f65e705087f0560af1781ab4ea030bd5b1b87fb111d3e91d237283d6cc50ba279ecc50b36fed0d9c70cb088b514241115fa7c2197a0f4

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\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_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\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 672	1304	cmd.exe	29
PID 1304 wrote to memory of 672	1304	cmd.exe	29
PID 1304 wrote to memory of 672	1304	cmd.exe	29
PID 672 wrote to memory of 564	672	rundll32.exe	30
PID 672 wrote to memory of 564	672	rundll32.exe	30
PID 672 wrote to memory of 564	672	rundll32.exe	30
PID 672 wrote to memory of 564	672	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\GWYF_Fix_Repair_Steam_V6_Generic\OnlineFix.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\GWYF_Fix_Repair_Steam_V6_Generic\OnlineFix.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:672
- - 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\GWYF_Fix_Repair_Steam_V6_Generic\OnlineFix.json"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:564

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact