a5236b3142e898d26bf6f106029a3dafc72960eb4949b1ebb59cac601364fd61

Analysis

max time kernel
41s
max time network
18s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
10-06-2024 18:11

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General

Target

KRNLWRD.rar
Size

6.8MB
MD5

0543fb19e06332230138146e743561d1
SHA1

eda5c083624948c1388ba73c33447c97ddea7f41
SHA256

a5236b3142e898d26bf6f106029a3dafc72960eb4949b1ebb59cac601364fd61
SHA512

e7d934d87b730b484c578f3db648224cc192f292a1f9434a655719015da440b4d15458348a85c2f88d0b6808ae032a3f082f12d1b53fb0a7405425d95f7a358e
SSDEEP

196608:MplB+dQH+kpC8eMpApf9aBHjHEhp5vKtMtSuJ1414:AlByWp2fglr2DVF

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2576	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 2576	1484	cmd.exe	29
PID 1484 wrote to memory of 2576	1484	cmd.exe	29
PID 1484 wrote to memory of 2576	1484	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\KRNLWRD.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\KRNLWRD.rar
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2576

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads