8a581dba18ce5bc9819c559a8d9fec2591f6417fb563d630d71c23b8a99118bc | Triage

Analysis

max time kernel
34s
max time network
37s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
05-02-2022 13:13

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General

Target

8a581dba18ce5bc9819c559a8d9fec2591f6417fb563d630d71c23b8a99118bc.dll
Size

561KB
MD5

d824c870aa2a02eec9791f97ef1adac9
SHA1

4fbe8ad5dfc4281f2bc78789f6e01aa02a0367bc
SHA256

8a581dba18ce5bc9819c559a8d9fec2591f6417fb563d630d71c23b8a99118bc
SHA512

0c65ba3396b404485c108a1d5a378ebeb36efd77fabac2ad23aa5cd07d2ff48b5cddc691c671955fcff618bf77bf70fae371a50f6e145fe4a4fe69e3ba381722

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeShutdownPrivilege	2164	svchost.exe
Token: SeCreatePagefilePrivilege	2164	svchost.exe
Token: SeShutdownPrivilege	2164	svchost.exe
Token: SeCreatePagefilePrivilege	2164	svchost.exe
Token: SeShutdownPrivilege	2164	svchost.exe
Token: SeCreatePagefilePrivilege	2164	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3448 wrote to memory of 3804	3448	rundll32.exe	rundll32.exe
PID 3448 wrote to memory of 3804	3448	rundll32.exe	rundll32.exe
PID 3448 wrote to memory of 3804	3448	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a581dba18ce5bc9819c559a8d9fec2591f6417fb563d630d71c23b8a99118bc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3448

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a581dba18ce5bc9819c559a8d9fec2591f6417fb563d630d71c23b8a99118bc.dll,#1
2⤵
PID:3804

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2164

Network

MITRE ATT&CK Matrix

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Downloads

memory/2164-130-0x000001C07A790000-0x000001C07A7A0000-memory.dmp

Filesize
64KB

Download
memory/2164-137-0x000001C07D410000-0x000001C07D414000-memory.dmp

Filesize
16KB

Download