c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43

Analysis

max time kernel
145s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2023, 05:25

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General

Target

c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe
Size

192KB
MD5

712178dd39c6381a5c36c23658dcaad4
SHA1

e00af9b1f82cf038b2596e3e35171b6cb5393e59
SHA256

c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43
SHA512

9e7ad4d633c665b831ed7619bcad95a04debec4d05f31bcb3136f31474b802113b10306c2b4be3427eef0e9542b60fef58c7c3d5c25d0bc13cbac0d29f7147f7
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOY:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXR

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation	c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe

Executes dropped EXE 1 IoCs

pid	Process
3216	nkmhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\nkmhost.exe	c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe
File opened for modification	C:\Windows\Debug\nkmhost.exe	c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	nkmhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	nkmhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4820	c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 3132	4820	c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe	87
PID 4820 wrote to memory of 3132	4820	c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe	87
PID 4820 wrote to memory of 3132	4820	c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe	87

C:\Users\Admin\AppData\Local\Temp\c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe
"C:\Users\Admin\AppData\Local\Temp\c3cd752cc8c2a83189d4f05cd0bdeef6b8252fb7b2223336af6296dacbacee43.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4820
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\C3CD75~1.EXE > nul
  2⤵
  PID:3132

C:\Windows\Debug\nkmhost.exe
C:\Windows\Debug\nkmhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:3216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Debug\nkmhost.exe

Filesize
192KB

MD5
ebdf6d9d2932e9fa30cab77ac2d5b4c3

SHA1
285f94be965b03086991b19522569ec488cbf147

SHA256
0061ce496e76bd1e398cf6ed3e60d591aabd093cebc100307061260b1437b94e

SHA512
9ffd3d3fdd84e550697b85a4b7a09050f04c8e8fb86acdd911235024d67fb4652d485be3d086ac086642ad97034a400fc0d5f0a7ef31772631e8f4cb8c722ce1

Download Submit
C:\Windows\debug\nkmhost.exe

Filesize
192KB

MD5
ebdf6d9d2932e9fa30cab77ac2d5b4c3

SHA1
285f94be965b03086991b19522569ec488cbf147

SHA256
0061ce496e76bd1e398cf6ed3e60d591aabd093cebc100307061260b1437b94e

SHA512
9ffd3d3fdd84e550697b85a4b7a09050f04c8e8fb86acdd911235024d67fb4652d485be3d086ac086642ad97034a400fc0d5f0a7ef31772631e8f4cb8c722ce1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads