d982401b64ae312363fafadcfdedabdd7c13ad89651767c5c6bc0fef03f63fb4

Analysis

max time kernel
149s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
01/06/2023, 18:20

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General

Target

d982401b64ae312363fafadcfdedabdd7c13ad89651767c5c6bc0fef03f63fb4.dll
Size

1.5MB
MD5

d1fec50e1630401e8096fde9e6f31482
SHA1

6a0efbdd337131d7fb21babf281f892fadb83807
SHA256

d982401b64ae312363fafadcfdedabdd7c13ad89651767c5c6bc0fef03f63fb4
SHA512

fadaa128ed2b6aebd26cbcbbbb60a074db102bb3fd04ae5c5a1241cb569f1c313a9a1dc5bb57afa381e0b1b491705697cc1e789605b1a8d47fdc87e2895043c8
SSDEEP

24576:M1GQMGTeTAKhCIn0N+zIJkPmoDh5qni0jX31r:jQMPTAKDn0NQIJU/k31r

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\{7008D79A-DF8A-4599-85EC-E9B554A9FD7D}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{61B033B4-1DF7-4B2B-A918-81FD193E95B5}.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 1900	4460	rundll32.exe	80
PID 4460 wrote to memory of 1900	4460	rundll32.exe	80
PID 4460 wrote to memory of 1900	4460	rundll32.exe	80

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\d982401b64ae312363fafadcfdedabdd7c13ad89651767c5c6bc0fef03f63fb4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d982401b64ae312363fafadcfdedabdd7c13ad89651767c5c6bc0fef03f63fb4.dll,#1
  2⤵
  PID:1900

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:3888

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

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Downloads

memory/1900-133-0x0000000002430000-0x0000000002505000-memory.dmp

Filesize
852KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads