a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a

Analysis

max time kernel
152s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2022, 14:53

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General

Target

a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a.exe
Size

13KB
MD5

844b82b29d53a71dcd2c95188a3c5403
SHA1

2932e849be5c1a2c10e8f6001d4f938ee65adb36
SHA256

a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a
SHA512

956f8cc0132b1b8a2e2106ef6f680eee2dee9e678e1a008338c1aaab2680c0e48601d39bd4367b9fbfc643249f10883a88e3c3b93a87ce6e71606aec4107efd9
SSDEEP

192:kyEh4bJlnNdEIv1J/b9i7s4pwrARgZd1SrMksXgUdBOvAUPuDtwFWx3f/:J04Vfdj9JT9uxRgZGz0glhPuDWWx3f

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\30265 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mspusnoj.scr"	svchost.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\mspusnoj.scr	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1752	a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a.exe
1752	a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1752	a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 720	1752	a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a.exe	83
PID 1752 wrote to memory of 720	1752	a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a.exe	83
PID 1752 wrote to memory of 720	1752	a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a.exe	83

C:\Users\Admin\AppData\Local\Temp\a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a.exe
"C:\Users\Admin\AppData\Local\Temp\a3553a5a9078563d72bb5363120b2047d020e17e31c4906a9ae76bcdc4b7992a.exe"
1⤵
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\syswow64\svchost.exe
  2⤵
  - Adds policy Run key to start application
  - Drops file in Program Files directory
  PID:720

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/720-135-0x0000000000920000-0x000000000092D000-memory.dmp

Filesize
52KB

Download
memory/720-136-0x0000000000840000-0x0000000000845000-memory.dmp

Filesize
20KB

Download
memory/720-137-0x0000000000840000-0x0000000000845000-memory.dmp

Filesize
20KB

Download
memory/1752-132-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1752-134-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download