268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 12:20

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General

Target

268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe
Size

518KB
MD5

70306ca416a2cf99c635cea4d76b57a9
SHA1

bff72a0adaf3d0d2fe4761b88387d1be19821024
SHA256

268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e
SHA512

a268a321b0bf5454a5aa84511ada6f580ea887889291861a230fded0e7220e8dac132e51dea1d1fd447f7b306b080e2a29f39b756d7d585bde2efdb971d18b23
SSDEEP

12288:ypstoqa06kEkQ1r9gql8LwYYlLPt5oKnWq3pb:yRCGr5tlLPt5/Wk

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{BD57B3DC-BE8D-45F9-AC1B-125D560B07FE}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{E44ACA2F-0C54-432E-BA20-100C11A68588}.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

Processes:

svchost.exe

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

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

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe

description	pid	process	target process
PID 1152 wrote to memory of 1868	1152	268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe	268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe
PID 1152 wrote to memory of 1868	1152	268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe	268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe
PID 1152 wrote to memory of 1868	1152	268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe	268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe
PID 1152 wrote to memory of 2036	1152	268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe	268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe
PID 1152 wrote to memory of 2036	1152	268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe	268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe
PID 1152 wrote to memory of 2036	1152	268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe	268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe

C:\Users\Admin\AppData\Local\Temp\268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe
"C:\Users\Admin\AppData\Local\Temp\268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1152

C:\Users\Admin\AppData\Local\Temp\268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe
start
2⤵
PID:1868

C:\Users\Admin\AppData\Local\Temp\268621a0f12dcc15cd4f990ab183c3828cb78a9e1836e0d3f3e55a34340c5f5e.exe
watch
2⤵
PID:2036

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:4968

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

Replay Monitor

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Downloads

memory/1152-132-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/1152-135-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/1868-134-0x0000000000000000-mapping.dmp

Download
memory/1868-137-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/1868-139-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/1868-140-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/2036-133-0x0000000000000000-mapping.dmp

Download
memory/2036-136-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/2036-138-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/2036-141-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download