8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144

Analysis

max time kernel
123s
max time network
93s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 21:22

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General

Target

8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe
Size

167KB
MD5

61c9388477b5bd43f2f493b25c1cf9e3
SHA1

d3ba8c6da3dc27434bd8f965a7b80ece8cf87449
SHA256

8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144
SHA512

31ba19ff11607e72a3aaf4e880e315da74175dd2e28dca87bd2c80b8a81f173bcfce0491a06e3de872fb26c1e9c80d9b251401d81208a8a5eb82e4edfb9adc60
SSDEEP

3072:HHB9L4T9LTcDF31I2UmkQITipYypHAS1QpOUiGJ276hpu:HTW9vcDFFRUYxHzQUU/u

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\4ACFD\\04E0F.exe"	8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1252-56-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/1120-61-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/1252-62-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/608-67-0x0000000000400000-0x0000000000490000-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 8 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 1120	1252	8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe	28
PID 1252 wrote to memory of 1120	1252	8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe	28
PID 1252 wrote to memory of 1120	1252	8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe	28
PID 1252 wrote to memory of 1120	1252	8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe	28
PID 1252 wrote to memory of 608	1252	8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe	30
PID 1252 wrote to memory of 608	1252	8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe	30
PID 1252 wrote to memory of 608	1252	8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe	30
PID 1252 wrote to memory of 608	1252	8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe	30

C:\Users\Admin\AppData\Local\Temp\8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe
"C:\Users\Admin\AppData\Local\Temp\8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Users\Admin\AppData\Local\Temp\8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe
  C:\Users\Admin\AppData\Local\Temp\8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe startC:\Program Files (x86)\LP\0FC4\4A8.exe%C:\Program Files (x86)\LP\0FC4
  2⤵
  PID:1120
- C:\Users\Admin\AppData\Local\Temp\8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe
  C:\Users\Admin\AppData\Local\Temp\8dc9ff7e22d6919c24086a1dbbf278772a70e60be34cf1b30bd0cb3f386f3144.exe startC:\Program Files (x86)\FD574\lvvm.exe%C:\Program Files (x86)\FD574
  2⤵
  PID:608

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

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Downloads

memory/608-66-0x000000000056A000-0x00000000005E4000-memory.dmp

Filesize
488KB

Download
memory/608-67-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1120-60-0x000000000068A000-0x0000000000704000-memory.dmp

Filesize
488KB

Download
memory/1120-61-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1252-54-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/1252-55-0x000000000095A000-0x00000000009D4000-memory.dmp

Filesize
488KB

Download
memory/1252-56-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1252-57-0x000000000095A000-0x00000000009D4000-memory.dmp

Filesize
488KB

Download
memory/1252-62-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1252-63-0x000000000095A000-0x00000000009D4000-memory.dmp

Filesize
488KB

Download