taurus | 149086b769a7a0ce4e5d1b00ab4b7e6e9ba25196df2c1915b9ed0dcc8801bda0

Analysis

max time kernel
86s
max time network
167s
platform
windows10_x64
resource
win10-en-20210920
submitted
18/10/2021, 10:00

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General

Target
86ac9440a641fc8136e21efce5e6c12f.exe
Size 401KB
Sample211018-l1vjpaddb3
SHA256 149086b769a7a0ce4e5d1b00ab4b7e6e9ba25196df2c1915b9ed0dcc8801bda0
MD5 86ac9440a641fc8136e21efce5e6c12f
SHA1 ec3a1fc26de9828932487ac55e0406fdae435851
SHA512 0fb626ba236edf11e3ff7a3ad0739abbd40e0df017763608bf16164b9869e67a76ef6993e4e7d470869c1c67c3399fbd89f4d5e7efda77eea140524c00115558
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/1820-116-0x0000000001C10000-0x0000000001C48000-memory.dmp	family_taurus_stealer
behavioral2/memory/1820-117-0x0000000000400000-0x000000000179F000-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
3604	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 3076	1820	86ac9440a641fc8136e21efce5e6c12f.exe	72
PID 1820 wrote to memory of 3076	1820	86ac9440a641fc8136e21efce5e6c12f.exe	72
PID 1820 wrote to memory of 3076	1820	86ac9440a641fc8136e21efce5e6c12f.exe	72
PID 3076 wrote to memory of 3604	3076	cmd.exe	74
PID 3076 wrote to memory of 3604	3076	cmd.exe	74
PID 3076 wrote to memory of 3604	3076	cmd.exe	74

C:\Users\Admin\AppData\Local\Temp\86ac9440a641fc8136e21efce5e6c12f.exe
"C:\Users\Admin\AppData\Local\Temp\86ac9440a641fc8136e21efce5e6c12f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\86ac9440a641fc8136e21efce5e6c12f.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3076
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:3604

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/1820-116-0x0000000001C10000-0x0000000001C48000-memory.dmp

Download

memory/1820-117-0x0000000000400000-0x000000000179F000-memory.dmp