d34b14b9abbc0dcb5fb4ca9475699a0c39f90351793dbcede2993ad633817a75

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
07-07-2023 12:23

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General

Target

4844e3252cea0bexeexeexeex.exe
Size

335KB
MD5

4844e3252cea0bbad442b72e8ba34b7b
SHA1

d9335d4006028e7e48b5ecfbad5eb8917ec630a7
SHA256

d34b14b9abbc0dcb5fb4ca9475699a0c39f90351793dbcede2993ad633817a75
SHA512

4280ae1ba51f3d2fd2d58970352143cde9b7a57f02a7ea753f224c4fa34bd7aa16312e28d92740d1e3a53f6fe16c6e227373d6f20744b0e3a077c9898c67ed04
SSDEEP

6144:qtUGfUWOeEBUEhLkXj3zRG6yLQ/UNP4H2CiTTS10qhh43Ajrt:qtUGfVwUFzRG6EQ0POfiTTa0qSAjrt

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{EF9164DF-5C86-47D6-8BCD-4B3AB3EEF85A}.catalogItem	svchost.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1848 816 WerFault.exe 4844e3252cea0bexeexeexeex.exe

pid	pid_target	process	target process
1848	816	WerFault.exe	4844e3252cea0bexeexeexeex.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

Processes:

svchost.exe

description	ioc	process
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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

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

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:\Users\Admin\AppData\Local\Temp\4844e3252cea0bexeexeexeex.exe
"C:\Users\Admin\AppData\Local\Temp\4844e3252cea0bexeexeexeex.exe"
1⤵
PID:816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 816 -s 376
2⤵
- Program crash
PID:1848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 816 -ip 816
1⤵
PID:3728

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:3876

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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