2f91e671c859faadc4bfabbfc6a66c7cc32a04616704fa22f3bdefc18a9e772b

Analysis

max time kernel
126s
max time network
139s
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 14:40

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General

Target

2f91e671c859faadc4bfabbfc6a66c7cc32a04616704fa22f3bdefc18a9e772b.exe
Size

532KB
MD5

b9fdd003492d30ae0736adea4868171a
SHA1

5c4fa584a95532b0d6432c1e6dedfb1938b01886
SHA256

2f91e671c859faadc4bfabbfc6a66c7cc32a04616704fa22f3bdefc18a9e772b
SHA512

cda3c2972b8038b5410cee69e0b5d1fc0b825786ffb44b69f75cd094e6ecd6bbe22aed378cf8481e26dd676098e7e70a80c6ce9f3b1ff6be625dd8622ee895ce
SSDEEP

12288:/tFGZwXe1OEPYDfnKrQvIPh2RIbWcoIFFEgB9nP1K1C:/t/Xe1KDfKrwIp0IbWcoIFagbP01

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\{5F7813EA-AD1B-437D-8CAE-21D2EA506968}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{0E8296EA-20FC-452D-ABBF-9F59B6C4E6B3}.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 3 IoCs

Processes:

2f91e671c859faadc4bfabbfc6a66c7cc32a04616704fa22f3bdefc18a9e772b.exe

description	pid	process	target process
PID 2228 wrote to memory of 2036	2228	2f91e671c859faadc4bfabbfc6a66c7cc32a04616704fa22f3bdefc18a9e772b.exe	2f91e671c859faadc4bfabbfc6a66c7cc32a04616704fa22f3bdefc18a9e772b.exe
PID 2228 wrote to memory of 2036	2228	2f91e671c859faadc4bfabbfc6a66c7cc32a04616704fa22f3bdefc18a9e772b.exe	2f91e671c859faadc4bfabbfc6a66c7cc32a04616704fa22f3bdefc18a9e772b.exe
PID 2228 wrote to memory of 2036	2228	2f91e671c859faadc4bfabbfc6a66c7cc32a04616704fa22f3bdefc18a9e772b.exe	2f91e671c859faadc4bfabbfc6a66c7cc32a04616704fa22f3bdefc18a9e772b.exe

C:\Users\Admin\AppData\Local\Temp\2f91e671c859faadc4bfabbfc6a66c7cc32a04616704fa22f3bdefc18a9e772b.exe
"C:\Users\Admin\AppData\Local\Temp\2f91e671c859faadc4bfabbfc6a66c7cc32a04616704fa22f3bdefc18a9e772b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2228

C:\Users\Admin\AppData\Local\Temp\2f91e671c859faadc4bfabbfc6a66c7cc32a04616704fa22f3bdefc18a9e772b.exe
tear
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:968

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

Replay Monitor

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Downloads

memory/2036-132-0x0000000000000000-mapping.dmp

Download
memory/2036-134-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2036-135-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2036-136-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2228-133-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download