taurus | b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb

Analysis

max time kernel
162s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
08-05-2022 07:26

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General

Target

b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe
Size

423KB
MD5

1529a6e5ba1a853ea750b9fd1981ba5a
SHA1

33e2de0a85e6212c774cc04f9c0a49a1c9d769e3
SHA256

b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb
SHA512

7d40e8986a8feaff0b6c55f23347074b96b4b555fb7e6f890fbd6165e7e83b290b020ab96596715f743a5b7793de02118c1558b984744f86f2752e47bc1cce0e

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/2988-131-0x00000000011F0000-0x0000000001225000-memory.dmp	family_taurus_stealer
behavioral2/memory/2988-132-0x0000000000400000-0x0000000000C45000-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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4860	2988	WerFault.exe	80

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4852	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 3484	2988	b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe	82
PID 2988 wrote to memory of 3484	2988	b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe	82
PID 2988 wrote to memory of 3484	2988	b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe	82
PID 3484 wrote to memory of 4852	3484	cmd.exe	86
PID 3484 wrote to memory of 4852	3484	cmd.exe	86
PID 3484 wrote to memory of 4852	3484	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe
"C:\Users\Admin\AppData\Local\Temp\b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\b105f80b6a96c445686712dc719c1b779a28903ac8477fdcf67c8cb82f398efb.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3484
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:4852
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 1348
  2⤵
  - Program crash
  PID:4860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2988 -ip 2988
1⤵
PID:3492

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/2988-130-0x0000000000CDB000-0x0000000000CFC000-memory.dmp

Filesize
132KB

Download
memory/2988-131-0x00000000011F0000-0x0000000001225000-memory.dmp

Filesize
212KB

Download
memory/2988-132-0x0000000000400000-0x0000000000C45000-memory.dmp

Filesize
8.3MB

Download