taurus | 2261ef303b8bab85d0c6a6de87cf92efb5dece4c92cf057a6fbfc68b06d4c3f7

Analysis

max time kernel
38s
max time network
44s
platform
windows7_x64
resource
win7-20220414-en
submitted
03-05-2022 00:37

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General

Target

2261ef303b8bab85d0c6a6de87cf92efb5dece4c92cf057a6fbfc68b06d4c3f7.exe
Size

259KB
MD5

97b5d890ffc4e058d87db11a50e359f1
SHA1

9730784de28963a6ae52620281c9ab141668bdd9
SHA256

2261ef303b8bab85d0c6a6de87cf92efb5dece4c92cf057a6fbfc68b06d4c3f7
SHA512

583e6475ce0775e7f463a32f7a1b6bf91827740f5884f375aa7e4727db39205a7c2a64a09d76ffabcbe25e54f4576398af67b94784e42c417b971ad504fc3448

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/2024-55-0x0000000000220000-0x0000000000256000-memory.dmp	family_taurus_stealer
behavioral1/memory/2024-57-0x0000000000400000-0x0000000005168000-memory.dmp	family_taurus_stealer

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1140 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

428 timeout.exe

pid	process
1140	cmd.exe

pid	process
428	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2261ef303b8bab85d0c6a6de87cf92efb5dece4c92cf057a6fbfc68b06d4c3f7.execmd.exe

description	pid	process	target process
PID 2024 wrote to memory of 1140	2024	2261ef303b8bab85d0c6a6de87cf92efb5dece4c92cf057a6fbfc68b06d4c3f7.exe	cmd.exe
PID 2024 wrote to memory of 1140	2024	2261ef303b8bab85d0c6a6de87cf92efb5dece4c92cf057a6fbfc68b06d4c3f7.exe	cmd.exe
PID 2024 wrote to memory of 1140	2024	2261ef303b8bab85d0c6a6de87cf92efb5dece4c92cf057a6fbfc68b06d4c3f7.exe	cmd.exe
PID 2024 wrote to memory of 1140	2024	2261ef303b8bab85d0c6a6de87cf92efb5dece4c92cf057a6fbfc68b06d4c3f7.exe	cmd.exe
PID 1140 wrote to memory of 428	1140	cmd.exe	timeout.exe
PID 1140 wrote to memory of 428	1140	cmd.exe	timeout.exe
PID 1140 wrote to memory of 428	1140	cmd.exe	timeout.exe
PID 1140 wrote to memory of 428	1140	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\2261ef303b8bab85d0c6a6de87cf92efb5dece4c92cf057a6fbfc68b06d4c3f7.exe
"C:\Users\Admin\AppData\Local\Temp\2261ef303b8bab85d0c6a6de87cf92efb5dece4c92cf057a6fbfc68b06d4c3f7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\2261ef303b8bab85d0c6a6de87cf92efb5dece4c92cf057a6fbfc68b06d4c3f7.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1140

C:\Windows\SysWOW64\timeout.exe
timeout /t 3
3⤵
- Delays execution with timeout.exe
PID:428

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/428-59-0x0000000000000000-mapping.dmp

Download
memory/1140-58-0x0000000000000000-mapping.dmp

Download
memory/2024-55-0x0000000000220000-0x0000000000256000-memory.dmp

Filesize
216KB

Download
memory/2024-54-0x000000000532A000-0x000000000534B000-memory.dmp

Filesize
132KB

Download
memory/2024-56-0x0000000074DD1000-0x0000000074DD3000-memory.dmp

Filesize
8KB

Download
memory/2024-57-0x0000000000400000-0x0000000005168000-memory.dmp

Filesize
77.4MB

Download