9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359

Analysis

max time kernel
201s
max time network
221s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 21:44

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General

Target

9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe
Size

168KB
MD5

54a8b6e5eed6b5a2ee6464d68b976268
SHA1

1767ffdfaf2aedb258b02cda08df4aff84f0388a
SHA256

9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359
SHA512

5e53f78441c33d84c11552c11a892c4e3d11927344b9d21cc05e052e2c3b1f09f0a1464185b0436e55bd4ab9c33d3a3142df796313eac35145d4f9f92a0d4795
SSDEEP

3072:kfn0AFE98VbOROy3M0cc+qJoxvPVHiTcw6406cBdkTjF5uO/X05s:k8Ay98MIy3M0cc+qmxvNHiTcw67dkO8+

Score

10^/10

persistence spyware stealer upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\8FA7F\\4A40B.exe"	9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3320-133-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/3320-135-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/4848-139-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/1320-142-0x0000000000400000-0x0000000000490000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe

description	pid	process	target process
PID 3320 wrote to memory of 4848	3320	9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe	9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe
PID 3320 wrote to memory of 4848	3320	9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe	9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe
PID 3320 wrote to memory of 4848	3320	9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe	9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe
PID 3320 wrote to memory of 1320	3320	9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe	9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe
PID 3320 wrote to memory of 1320	3320	9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe	9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe
PID 3320 wrote to memory of 1320	3320	9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe	9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe

C:\Users\Admin\AppData\Local\Temp\9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe
"C:\Users\Admin\AppData\Local\Temp\9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of WriteProcessMemory
PID:3320

C:\Users\Admin\AppData\Local\Temp\9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe
C:\Users\Admin\AppData\Local\Temp\9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe startC:\Program Files (x86)\LP\0BE8\71B.exe%C:\Program Files (x86)\LP\0BE8
2⤵
PID:4848

C:\Users\Admin\AppData\Local\Temp\9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe
C:\Users\Admin\AppData\Local\Temp\9b626de147f4db561d384c405819c48111ee6dbd45c6bcd7edcb842069b50359.exe startC:\Program Files (x86)\7F632\lvvm.exe%C:\Program Files (x86)\7F632
2⤵
PID:1320

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1320-140-0x0000000000000000-mapping.dmp

Download
memory/1320-141-0x00000000005D2000-0x000000000064D000-memory.dmp

Filesize
492KB

Download
memory/1320-142-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3320-132-0x000000000059C000-0x0000000000617000-memory.dmp

Filesize
492KB

Download
memory/3320-133-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3320-134-0x000000000059C000-0x0000000000617000-memory.dmp

Filesize
492KB

Download
memory/3320-135-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3320-136-0x000000000059C000-0x0000000000617000-memory.dmp

Filesize
492KB

Download
memory/4848-137-0x0000000000000000-mapping.dmp

Download
memory/4848-138-0x0000000000552000-0x00000000005CD000-memory.dmp

Filesize
492KB

Download
memory/4848-139-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download