c5067403a8eddbfb4396e7bce5dbb929b841ae0f00622acd7063cbf4a38b9d8d

Analysis

max time kernel
140s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2023, 03:16

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General

Target
a690e057602d61188317fc887553870e.exe
Size 233KB
Sample230709-dsfrkaaf56
SHA256 c5067403a8eddbfb4396e7bce5dbb929b841ae0f00622acd7063cbf4a38b9d8d
MD5 a690e057602d61188317fc887553870e
SHA1 795bbd8e63ede2c3e589d8c24f25147fd0c18126
SHA512 52eb5b12e08cebc594a39724fd077638df3668af51d80a074dcfd14474a04c9db90f13473b773a000e319d0f64453d9ffa994f1f0031be2075e8427420ee514d
SSDEEP 3072:AT4If4ta31cxDHaOLOxycywWRfjccAx/4:lftEM6OLNcyRfjx
MD5 SHA1 SHA512 SSDEEP

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\{B2B6D670-9943-4A87-99C0-87B2D2A77719}.catalogItem	svchost.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
576	1136	WerFault.exe	81

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\~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

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\a690e057602d61188317fc887553870e.exe
"C:\Users\Admin\AppData\Local\Temp\a690e057602d61188317fc887553870e.exe"
1⤵
PID:1136
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1136 -s 1012
  2⤵
  - Program crash
  PID:576

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:1568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1136 -ip 1136
1⤵
PID:3932

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/1136-135-0x0000000003760000-0x000000000377B000-memory.dmp

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memory/1136-142-0x0000000000400000-0x0000000001B41000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads