4c830922dcf52d16a65e30c87a0d291d9099731059bf87acb87cc45c69d13606

Analysis

max time kernel
140s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20-10-2022 00:32

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General

Target

4c830922dcf52d16a65e30c87a0d291d9099731059bf87acb87cc45c69d13606.exe
Size

77KB
MD5

a0eef63f9e91ccac0927319d5fdbcee0
SHA1

421c9b8152ce5737c9dad882731fe5e126c303fe
SHA256

4c830922dcf52d16a65e30c87a0d291d9099731059bf87acb87cc45c69d13606
SHA512

96fd6a060c4852291df03b1c12a1a9d4d21eda77ef2a26cf6f987fe9361de6ff56371aa69be53fd1a0ba4bd39ac40d33fba264c259a27a4396100f9df5f55143
SSDEEP

1536:TO+AZhCZFcsifjE0SJIB/6pCypfoe6WH/Rg0:TO3ZhHsio0tBGCzoRn

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{D7631313-6DC0-48B1-A4A6-0253383D8EED}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{5431364F-5199-461E-A778-F3F1C9D0C8EF}.catalogItem	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\kernel.dll	4c830922dcf52d16a65e30c87a0d291d9099731059bf87acb87cc45c69d13606.exe
File created	C:\Windows\kernel.dll	4c830922dcf52d16a65e30c87a0d291d9099731059bf87acb87cc45c69d13606.exe
File created	C:\Windows\svchost.exe	4c830922dcf52d16a65e30c87a0d291d9099731059bf87acb87cc45c69d13606.exe
File opened for modification	C:\Windows\svchost.exe	4c830922dcf52d16a65e30c87a0d291d9099731059bf87acb87cc45c69d13606.exe

Checks processor information in registry 2 TTPs 3 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	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2440	4c830922dcf52d16a65e30c87a0d291d9099731059bf87acb87cc45c69d13606.exe
2440	4c830922dcf52d16a65e30c87a0d291d9099731059bf87acb87cc45c69d13606.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 3004	2440	4c830922dcf52d16a65e30c87a0d291d9099731059bf87acb87cc45c69d13606.exe	25

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3004
- C:\Users\Admin\AppData\Local\Temp\4c830922dcf52d16a65e30c87a0d291d9099731059bf87acb87cc45c69d13606.exe
  "C:\Users\Admin\AppData\Local\Temp\4c830922dcf52d16a65e30c87a0d291d9099731059bf87acb87cc45c69d13606.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2440

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:5008

Network

MITRE ATT&CK Enterprise v6

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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