98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c

Analysis

max time kernel
277s
max time network
363s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 11:43

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe
Size 40KB
Sample221204-nvtrbaeg75
SHA256 98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c
MD5 8dcc79dec16dfc5d7a8e6228aa7f2b60
SHA1 89acfcfd85df44173e68fd6d19b1ed8b9429c607
SHA512 ce2fbfef9f65d72070f8dbfe12a595405c36d0d34325d99bad7ea4d047e497524d24ab53f1441144d642e859d952fd2c5834f8aad72c8e0cd430610ea6c58e84
SSDEEP 768:t6DI8CHd533yujgXDVrQE/fjCjDE3LOWw/PjZoVGKBa:0D0PSuUXJQFDbWw/rZoVGGa
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe

Adds 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\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSN CST Manager = "mancstmgr.exe"	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\mancstmgr.exe	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe
File created	C:\Windows\SysWOW64\mancstmgr.exe	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4640 set thread context of 4868	4640	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe	81

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 4868	4640	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe	81
PID 4640 wrote to memory of 4868	4640	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe	81
PID 4640 wrote to memory of 4868	4640	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe	81
PID 4640 wrote to memory of 4868	4640	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe	81
PID 4640 wrote to memory of 4868	4640	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe	81
PID 4640 wrote to memory of 4868	4640	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe	81
PID 4640 wrote to memory of 4868	4640	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe	81
PID 4640 wrote to memory of 4868	4640	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe	81
PID 4640 wrote to memory of 4868	4640	98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe	81

C:\Users\Admin\AppData\Local\Temp\98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe
"C:\Users\Admin\AppData\Local\Temp\98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4640
- C:\Users\Admin\AppData\Local\Temp\98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe
  "C:\Users\Admin\AppData\Local\Temp\98b3db6d099a8d6cab0797e1c98e7fe22d18f7cfacf883c4232880f6b094d56c.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Drops file in System32 directory
  - Modifies registry class
  PID:4868

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4640-132-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/4640-139-0x0000000000400000-0x000000000041A000-memory.dmp

Download

memory/4868-134-0x0000000000400000-0x000000000040A000-memory.dmp

Download

memory/4868-135-0x0000000000400000-0x000000000040A000-memory.dmp

Download

memory/4868-136-0x0000000000400000-0x000000000040A000-memory.dmp

Download

memory/4868-137-0x0000000000400000-0x000000000040A000-memory.dmp

Download

memory/4868-140-0x0000000000400000-0x000000000040A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads