taurus | 6112ed9e811ec04b376014bd027f66d89b7378bc69e2c343478b84844d33af0a

Analysis

max time kernel
120s
max time network
125s
platform
windows10_x64
resource
win10-en-20210920
submitted
18/10/2021, 10:00

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General

Target
51c3737fba1bf86b3065ef4d11da43d9.exe
Size 387KB
Sample211018-l1s1vsdda3
SHA256 6112ed9e811ec04b376014bd027f66d89b7378bc69e2c343478b84844d33af0a
MD5 51c3737fba1bf86b3065ef4d11da43d9
SHA1 65f1edc1d765fa06bb13caf127d3b57776424c66
SHA512 3041a856ba08efb32d36abd6fd967956d69e22a445c7bbe12f9e908f665869cc376f148d345aebce64560b534cc73d1268626c83b880857ab42aee9dc9d7cd62
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/3524-117-0x0000000000400000-0x0000000003DC2000-memory.dmp	family_taurus_stealer
behavioral2/memory/3524-116-0x00000000059A0000-0x00000000059D8000-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
2516	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3524 wrote to memory of 3976	3524	51c3737fba1bf86b3065ef4d11da43d9.exe	71
PID 3524 wrote to memory of 3976	3524	51c3737fba1bf86b3065ef4d11da43d9.exe	71
PID 3524 wrote to memory of 3976	3524	51c3737fba1bf86b3065ef4d11da43d9.exe	71
PID 3976 wrote to memory of 2516	3976	cmd.exe	73
PID 3976 wrote to memory of 2516	3976	cmd.exe	73
PID 3976 wrote to memory of 2516	3976	cmd.exe	73

C:\Users\Admin\AppData\Local\Temp\51c3737fba1bf86b3065ef4d11da43d9.exe
"C:\Users\Admin\AppData\Local\Temp\51c3737fba1bf86b3065ef4d11da43d9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3524
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\51c3737fba1bf86b3065ef4d11da43d9.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3976
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:2516

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/3524-117-0x0000000000400000-0x0000000003DC2000-memory.dmp

Download

memory/3524-116-0x00000000059A0000-0x00000000059D8000-memory.dmp