54121c9dd36d52b71a8fae8703d496f747f65c21c19446087328747ebfe576a5

Analysis

max time kernel
146s
max time network
85s
platform
windows10_x64
resource
win10v200430
submitted
09-07-2020 18:21

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General

Target

pwininilogs.exe
Size

906KB
MD5

a6d1fc86bf6a7b4b7eb6a01ed59e8447
SHA1

d890abdf1a97d66dfcf4d1567d44c29136bc4d7a
SHA256

54121c9dd36d52b71a8fae8703d496f747f65c21c19446087328747ebfe576a5
SHA512

b6fd5f306a4a2fdfb9d4a58461b17a819e2d5bfbde6c57645e2a368740d327f65daed977d1f555a7ed00142b100ea44e523d5761dc1097c408b72899578136dc

Score

7^/10

persistence spyware

Malware Config

Signatures

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 1632	3756	pwininilogs.exe	71
PID 3756 wrote to memory of 1632	3756	pwininilogs.exe	71
PID 3756 wrote to memory of 1632	3756	pwininilogs.exe	71
PID 3756 wrote to memory of 1632	3756	pwininilogs.exe	71
PID 3756 wrote to memory of 1632	3756	pwininilogs.exe	71
PID 3756 wrote to memory of 1632	3756	pwininilogs.exe	71
PID 3756 wrote to memory of 1632	3756	pwininilogs.exe	71
PID 3756 wrote to memory of 1632	3756	pwininilogs.exe	71

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3756 set thread context of 1632	3756	pwininilogs.exe	71

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1632	pwininilogs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1632	pwininilogs.exe
1632	pwininilogs.exe

Adds Run entry to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\nVTlJn = "C:\\Users\\Admin\\AppData\\Roaming\\nVTlJn\\nVTlJn.exe"	pwininilogs.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1632	pwininilogs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1632	pwininilogs.exe

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

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081

C:\Users\Admin\AppData\Local\Temp\pwininilogs.exe
"C:\Users\Admin\AppData\Local\Temp\pwininilogs.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:3756
- C:\Users\Admin\AppData\Local\Temp\pwininilogs.exe
  "{path}"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: EnumeratesProcesses
  - Adds Run entry to start application
  - Suspicious behavior: RenamesItself
  - Suspicious use of SetWindowsHookEx
  PID:1632

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

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/1632-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

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