taurus | 566645b6d19bdcad55bd5ec6b6acb159aa6cd393caa2862755d39b3893d3537b

Analysis

max time kernel
127s
max time network
149s
platform
windows10_x64
resource
win10-en-20210920
submitted
18/10/2021, 10:00

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General

Target
8196ffe8b92dfbf7496200796578032f.exe
Size 392KB
Sample211018-l1vjpaddb2
SHA256 566645b6d19bdcad55bd5ec6b6acb159aa6cd393caa2862755d39b3893d3537b
MD5 8196ffe8b92dfbf7496200796578032f
SHA1 3ea009f2737daca52da5ab93c7f9e0f74590a06d
SHA512 51a73981455199e17e9712241346232c3d7f045bd66c614ddefec55fbc398f4356808288971a2bb061cf0d7eb74c88947dc0ad72f940ed60e65e33376f64c823
MD5 SHA1 SHA512

Score

10^/10

taurus discovery spyware stealer trojan

Malware Config

Signatures

Taurus Stealer
Taurus is an infostealer first seen in June 2020.
trojan stealer taurus

Taurus Stealer Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3472-116-0x00000000008B0000-0x00000000008E8000-memory.dmp	family_taurus_stealer
behavioral2/memory/3472-117-0x0000000000400000-0x000000000085B000-memory.dmp	family_taurus_stealer

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
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4472	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 4436	3472	8196ffe8b92dfbf7496200796578032f.exe	70
PID 3472 wrote to memory of 4436	3472	8196ffe8b92dfbf7496200796578032f.exe	70
PID 3472 wrote to memory of 4436	3472	8196ffe8b92dfbf7496200796578032f.exe	70
PID 4436 wrote to memory of 4472	4436	cmd.exe	72
PID 4436 wrote to memory of 4472	4436	cmd.exe	72
PID 4436 wrote to memory of 4472	4436	cmd.exe	72

C:\Users\Admin\AppData\Local\Temp\8196ffe8b92dfbf7496200796578032f.exe
"C:\Users\Admin\AppData\Local\Temp\8196ffe8b92dfbf7496200796578032f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\8196ffe8b92dfbf7496200796578032f.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4436
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:4472

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3472-116-0x00000000008B0000-0x00000000008E8000-memory.dmp

Download

memory/3472-117-0x0000000000400000-0x000000000085B000-memory.dmp