taurus | 737bb2dd4e3ccc9e6e2408eaabfc89edd8e5a141db1fb0b81a2122d78c80d910

Analysis

max time kernel
49s
max time network
183s
platform
windows10-2004_x64
resource
win10v2004-20220331-en
submitted
27/03/2022, 20:07

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General

Target
737bb2dd4e3ccc9e6e2408eaabfc89edd8e5a141db1fb0b81a2122d78c80d910.exe
Size 398KB
Sample220327-yvx4vaggdn
SHA256 737bb2dd4e3ccc9e6e2408eaabfc89edd8e5a141db1fb0b81a2122d78c80d910
MD5 c4b25c86eeebb75b8bae0779e87bef0b
SHA1 b605edb8236d9852e393d952408c99107bf0a76c
SHA512 cbd0920e1f3effe68d7283b2e9f5ab51d7efac205053eab8e1ce2bd3534d6e9a0b4d3b1a9ef8b6694a6b59fe2d729fb4da6f1456dbe3be062d91f11b31254226
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 1 IoCs

resource	yara_rule
behavioral2/memory/4180-125-0x0000000000400000-0x0000000000467000-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
4232	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4180 wrote to memory of 4700	4180	737bb2dd4e3ccc9e6e2408eaabfc89edd8e5a141db1fb0b81a2122d78c80d910.exe	76
PID 4180 wrote to memory of 4700	4180	737bb2dd4e3ccc9e6e2408eaabfc89edd8e5a141db1fb0b81a2122d78c80d910.exe	76
PID 4180 wrote to memory of 4700	4180	737bb2dd4e3ccc9e6e2408eaabfc89edd8e5a141db1fb0b81a2122d78c80d910.exe	76
PID 4700 wrote to memory of 4232	4700	cmd.exe	78
PID 4700 wrote to memory of 4232	4700	cmd.exe	78
PID 4700 wrote to memory of 4232	4700	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\737bb2dd4e3ccc9e6e2408eaabfc89edd8e5a141db1fb0b81a2122d78c80d910.exe
"C:\Users\Admin\AppData\Local\Temp\737bb2dd4e3ccc9e6e2408eaabfc89edd8e5a141db1fb0b81a2122d78c80d910.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4180
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\737bb2dd4e3ccc9e6e2408eaabfc89edd8e5a141db1fb0b81a2122d78c80d910.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4700
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:4232

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/4180-124-0x0000000002240000-0x00000000022A4000-memory.dmp

Download

memory/4180-125-0x0000000000400000-0x0000000000467000-memory.dmp