taurus | 828286a465b64587f2cfdb7b10319fca29c9a6b8c6903edc26044edca78e69ed

Analysis

max time kernel
14s
max time network
10s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 13:36

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General

Target

046d664c5ed7f8bab938bc3709e328c3.exe
Size

346KB
MD5

046d664c5ed7f8bab938bc3709e328c3
SHA1

76b7226474b83973c8104ead1743ee9240e42e3d
SHA256

828286a465b64587f2cfdb7b10319fca29c9a6b8c6903edc26044edca78e69ed
SHA512

5629b784bc51695d40f5af3bb0270e601a2692fdeee973841dfbdf14ab28245caba3848d36947dbfbb45e391e5fac0d862a751658e9fae5e7084c0bd48bfaa5c

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

Processes:

resource	yara_rule
behavioral1/memory/1652-60-0x00000000002E0000-0x0000000000318000-memory.dmp	family_taurus_stealer
behavioral1/memory/1652-61-0x0000000000400000-0x0000000002BC7000-memory.dmp	family_taurus_stealer

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1120 cmd.exe
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

Processes:

timeout.exe

pid process

1640 timeout.exe

pid	process
1120	cmd.exe

pid	process
1640	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

046d664c5ed7f8bab938bc3709e328c3.execmd.exe

description	pid	process	target process
PID 1652 wrote to memory of 1120	1652	046d664c5ed7f8bab938bc3709e328c3.exe	cmd.exe
PID 1652 wrote to memory of 1120	1652	046d664c5ed7f8bab938bc3709e328c3.exe	cmd.exe
PID 1652 wrote to memory of 1120	1652	046d664c5ed7f8bab938bc3709e328c3.exe	cmd.exe
PID 1652 wrote to memory of 1120	1652	046d664c5ed7f8bab938bc3709e328c3.exe	cmd.exe
PID 1120 wrote to memory of 1640	1120	cmd.exe	timeout.exe
PID 1120 wrote to memory of 1640	1120	cmd.exe	timeout.exe
PID 1120 wrote to memory of 1640	1120	cmd.exe	timeout.exe
PID 1120 wrote to memory of 1640	1120	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\046d664c5ed7f8bab938bc3709e328c3.exe
"C:\Users\Admin\AppData\Local\Temp\046d664c5ed7f8bab938bc3709e328c3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\046d664c5ed7f8bab938bc3709e328c3.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1120

C:\Windows\SysWOW64\timeout.exe
timeout /t 3
3⤵
- Delays execution with timeout.exe
PID:1640

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1120-63-0x0000000000000000-mapping.dmp

Download
memory/1640-64-0x0000000000000000-mapping.dmp

Download
memory/1652-60-0x00000000002E0000-0x0000000000318000-memory.dmp

Filesize
224KB

Download
memory/1652-62-0x00000000754F1000-0x00000000754F3000-memory.dmp

Filesize
8KB

Download
memory/1652-61-0x0000000000400000-0x0000000002BC7000-memory.dmp

Filesize
39.8MB

Download