taurus | bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673

Analysis

max time kernel
96s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
08/05/2022, 15:51

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General

Target
bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe
Size 324KB
Sample220508-tawm3abcb7
SHA256 bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673
MD5 8518c709d0e64df3e63585cfcd33babf
SHA1 dc16e4941ce319e715ccc2f2d24289288f8f1596
SHA512 26d8ce100a421a1b644db72025a7b974d2e22d775200e213a4ed28892e2c968d704f07df343316850c5d358720b25583733b2c72e8b2bef5e84c303944bbe34a
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/2136-130-0x0000000000F00000-0x0000000000F37000-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
4880	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 4400	2136	bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe	82
PID 2136 wrote to memory of 4400	2136	bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe	82
PID 2136 wrote to memory of 4400	2136	bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe	82
PID 4400 wrote to memory of 4880	4400	cmd.exe	84
PID 4400 wrote to memory of 4880	4400	cmd.exe	84
PID 4400 wrote to memory of 4880	4400	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe
"C:\Users\Admin\AppData\Local\Temp\bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4400
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:4880

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/2136-130-0x0000000000F00000-0x0000000000F37000-memory.dmp

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