74b1596432f4075f25dd7c132471e6b65b4b252c342460109b3f0d9e64df8af1

Analysis

max time kernel
144s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 04:26

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General

Target

74b1596432f4075f25dd7c132471e6b65b4b252c342460109b3f0d9e64df8af1.dll
Size

244KB
MD5

20eaf5662616e5cc2c1cb96f633bfa30
SHA1

aa1a8ee028a605bb81179946920bc0e6284f79f8
SHA256

74b1596432f4075f25dd7c132471e6b65b4b252c342460109b3f0d9e64df8af1
SHA512

c14a49ef7bbf9ea6f2236c5fad6e8f584509d0195a74f1323873b842cd73e052a07104a26c4499581b4a16d6171a85cdcd292085a98af5ec6c59fb472c82b4b7
SSDEEP

768:kiVSPiFnFaRvuHQY1orkv6C+AqPo7F2szijPBBQARQkolWklp:pS4aEHQax2szijPBBQARUl

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\{7581927D-D4CC-4F04-AAAD-0BFB04AE9907}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{3BAEA6D0-9421-4E3A-9455-078ECB29A0D3}.catalogItem	svchost.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 use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 1564	1152	rundll32.exe	75
PID 1152 wrote to memory of 1564	1152	rundll32.exe	75
PID 1152 wrote to memory of 1564	1152	rundll32.exe	75

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\74b1596432f4075f25dd7c132471e6b65b4b252c342460109b3f0d9e64df8af1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\74b1596432f4075f25dd7c132471e6b65b4b252c342460109b3f0d9e64df8af1.dll,#1
  2⤵
  PID:1564

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:3108

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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