taurus | 043a02049af8d216edd5537d52ec91d3af2a74f72d16dfa28c055c05aae74590

Analysis

max time kernel
129s
max time network
157s
platform
windows10_x64
resource
win10-en-20211014
submitted
18/10/2021, 10:00

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General

Target
8a20a2a6f4a443975574f4da5a81d0e5.exe
Size 404KB
Sample211018-l1vjpaddb4
SHA256 043a02049af8d216edd5537d52ec91d3af2a74f72d16dfa28c055c05aae74590
MD5 8a20a2a6f4a443975574f4da5a81d0e5
SHA1 d1fb48705d59abd3cd9fa3f4758499d5c6ac2350
SHA512 3af73336f2dc3043efb94d2f6d17d0b598f1e285ed0a1be1c54c147ce3c2ed12e21053bb0395c2927536a82a787c9940f6108815feb4a4fdc1bacdf0f55f4e2a
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/4028-117-0x0000000000400000-0x000000000179E000-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
3692	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 3136	4028	8a20a2a6f4a443975574f4da5a81d0e5.exe	72
PID 4028 wrote to memory of 3136	4028	8a20a2a6f4a443975574f4da5a81d0e5.exe	72
PID 4028 wrote to memory of 3136	4028	8a20a2a6f4a443975574f4da5a81d0e5.exe	72
PID 3136 wrote to memory of 3692	3136	cmd.exe	74
PID 3136 wrote to memory of 3692	3136	cmd.exe	74
PID 3136 wrote to memory of 3692	3136	cmd.exe	74

C:\Users\Admin\AppData\Local\Temp\8a20a2a6f4a443975574f4da5a81d0e5.exe
"C:\Users\Admin\AppData\Local\Temp\8a20a2a6f4a443975574f4da5a81d0e5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4028
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\8a20a2a6f4a443975574f4da5a81d0e5.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3136
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:3692

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

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Downloads

memory/4028-115-0x0000000001A43000-0x0000000001A66000-memory.dmp

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memory/4028-116-0x00000000018D0000-0x0000000001A1A000-memory.dmp

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memory/4028-117-0x0000000000400000-0x000000000179E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads