d6622cd29917ff7bc000570627ae2249871991374dcb31547fd8ed66619f7809

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
04/07/2023, 13:54

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General

Target

d6622cd29917ff7bc00057062.dll
Size

708KB
MD5

c342148a7cdb82421ffbf9a03463b60f
SHA1

2dfdb9e80dd20e915c33141f121e59e7f9b72207
SHA256

d6622cd29917ff7bc000570627ae2249871991374dcb31547fd8ed66619f7809
SHA512

dc9f5f92ff89062c798eac9601f3d02c726a2c232846d1dce91f10b0abc0c54f3539e3dda5c7b9b57bcedd35bc3d8c7e38b7f101ffdf328edb8c553b0baa37d1
SSDEEP

12288:iemwWlnXHTZac40hZZcJBfsPdKedHllhlLAMM4M6TgUF:iemwWlnXHK0dc7fsPbFNcRt8

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{C596F982-FCA6-4785-B931-1099830DA8D2}.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 behavior: EnumeratesProcesses 4 IoCs

pid	Process
2756	rundll32.exe
2756	rundll32.exe
2756	rundll32.exe
2756	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 2756	2752	rundll32.exe	81
PID 2752 wrote to memory of 2756	2752	rundll32.exe	81
PID 2752 wrote to memory of 2756	2752	rundll32.exe	81

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d6622cd29917ff7bc00057062.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d6622cd29917ff7bc00057062.dll,#1
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2756

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:4580

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

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads