taurus | 127eb8375f47b7e81c5260280d02016fb38d45e127223a9d85ec68c3a9d4726a

Analysis

max time kernel
140s
max time network
166s
platform
windows10_x64
resource
win10-en-20210920
submitted
18/10/2021, 10:00

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General

Target
9757a9a165106a0a7929e81caf67eb21.exe
Size 433KB
Sample211018-l1vvfsecfk
SHA256 127eb8375f47b7e81c5260280d02016fb38d45e127223a9d85ec68c3a9d4726a
MD5 9757a9a165106a0a7929e81caf67eb21
SHA1 ee9f898f693424dea31105ec062c11b3cbc358ed
SHA512 978ee01fa2c95af682b99eb3478ae021c20a79c9d43d2366496e8faa8415418a7c4fd996f734f82c47d68ff0bdade68e0bb8aa48c81672c8d4f9d6c9b32e3d93
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/2072-118-0x0000000000400000-0x0000000000865000-memory.dmp	family_taurus_stealer
behavioral2/memory/2072-117-0x0000000002490000-0x00000000024C8000-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
1112	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 3916	2072	9757a9a165106a0a7929e81caf67eb21.exe	70
PID 2072 wrote to memory of 3916	2072	9757a9a165106a0a7929e81caf67eb21.exe	70
PID 2072 wrote to memory of 3916	2072	9757a9a165106a0a7929e81caf67eb21.exe	70
PID 3916 wrote to memory of 1112	3916	cmd.exe	72
PID 3916 wrote to memory of 1112	3916	cmd.exe	72
PID 3916 wrote to memory of 1112	3916	cmd.exe	72

C:\Users\Admin\AppData\Local\Temp\9757a9a165106a0a7929e81caf67eb21.exe
"C:\Users\Admin\AppData\Local\Temp\9757a9a165106a0a7929e81caf67eb21.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\9757a9a165106a0a7929e81caf67eb21.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3916
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:1112

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/2072-118-0x0000000000400000-0x0000000000865000-memory.dmp

Download

memory/2072-117-0x0000000002490000-0x00000000024C8000-memory.dmp