33820d3ba04eee29714cba777976ae87dbfa7bd88504b95d435076d6d7d66795

Analysis

max time kernel
187s
max time network
209s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 08:44

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General

Target

33820d3ba04eee29714cba777976ae87dbfa7bd88504b95d435076d6d7d66795.exe
Size

244KB
MD5

3e020227d97d5342c0102c1ed82a45d6
SHA1

fb54056d5cf9f8c9a0ca84c153d40b243cf9226d
SHA256

33820d3ba04eee29714cba777976ae87dbfa7bd88504b95d435076d6d7d66795
SHA512

7af4377b8f6e813d38f560ab396bea20c3c76cd1efea35aa676c38fd4b3413dbce01e2a6c4bb13ce3ec941909dfdf096424740bfd28fb3b357bc07aa73005a7f
SSDEEP

6144:tM23S/s6DS1P5FNEWn3lEQTMgAhjcIDRX0CFpzSYD:tM26s62fFDn1EFgAhjFRX5rBD

Score

7^/10

persistence spyware stealer

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	33820d3ba04eee29714cba777976ae87dbfa7bd88504b95d435076d6d7d66795.exe

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

Adds Run key 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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\MSS = "C:\\Users\\Admin\\AppData\\Local\\Temp\\33820d3ba04eee29714cba777976ae87dbfa7bd88504b95d435076d6d7d66795.exe /cs:1 "	33820d3ba04eee29714cba777976ae87dbfa7bd88504b95d435076d6d7d66795.exe

Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery

T1063

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Eset\Nod\	33820d3ba04eee29714cba777976ae87dbfa7bd88504b95d435076d6d7d66795.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
396	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	396	taskkill.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4352 wrote to memory of 396	4352	33820d3ba04eee29714cba777976ae87dbfa7bd88504b95d435076d6d7d66795.exe	82
PID 4352 wrote to memory of 396	4352	33820d3ba04eee29714cba777976ae87dbfa7bd88504b95d435076d6d7d66795.exe	82
PID 4352 wrote to memory of 396	4352	33820d3ba04eee29714cba777976ae87dbfa7bd88504b95d435076d6d7d66795.exe	82

C:\Users\Admin\AppData\Local\Temp\33820d3ba04eee29714cba777976ae87dbfa7bd88504b95d435076d6d7d66795.exe
"C:\Users\Admin\AppData\Local\Temp\33820d3ba04eee29714cba777976ae87dbfa7bd88504b95d435076d6d7d66795.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Checks for any installed AV software in registry
- Suspicious use of WriteProcessMemory
PID:4352
- C:\Windows\SysWOW64\taskkill.exe
  "C:\Windows\System32\taskkill.exe" /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:396

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

Query Registry

T1012

Security Software Discovery

T1063

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4352-132-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4352-133-0x0000000002650000-0x0000000002656000-memory.dmp

Filesize
24KB

Download
memory/4352-134-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4352-136-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download