taurus_stealer | 847fa8413751c698b7cb1f258a4365d8e50915e4811fa916308f6b0e18cbc17d

General

Target

DOCUMENT FILE.exe
Size

360KB
MD5

fbe426a8d46b433667c3a30f38c703ab
SHA1

bed53dc755559ecc8ed6a84f7efbe877937324de
SHA256

847fa8413751c698b7cb1f258a4365d8e50915e4811fa916308f6b0e18cbc17d
SHA512

8c22771d773da05bb36d0f4285c25b61157ad42c044d6029f98103b755b5567b2964d225fd18d9d0295bb25a002ba8c9dec9a9567862822ced0ea108f26c8956

Score

10^/10

taurus_stealer discovery spyware stealer trojan

Malware Config

Signatures

Taurus Stealer
Taurus is an infostealer first seen in June 2020.
trojan stealer taurus_stealer
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

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
Suspicious use of SetThreadContext 1 IoCs

Processes:

DOCUMENT FILE.exe

description pid process target process

PID 1056 set thread context of 2040 1056 DOCUMENT FILE.exe DOCUMENT FILE.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1172 timeout.exe

description	pid	process	target process
PID 1056 set thread context of 2040	1056	DOCUMENT FILE.exe	DOCUMENT FILE.exe

pid	process
1172	timeout.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

DOCUMENT FILE.exeDOCUMENT FILE.execmd.exe

description	pid	process	target process
PID 1056 wrote to memory of 2040	1056	DOCUMENT FILE.exe	DOCUMENT FILE.exe
PID 1056 wrote to memory of 2040	1056	DOCUMENT FILE.exe	DOCUMENT FILE.exe
PID 1056 wrote to memory of 2040	1056	DOCUMENT FILE.exe	DOCUMENT FILE.exe
PID 1056 wrote to memory of 2040	1056	DOCUMENT FILE.exe	DOCUMENT FILE.exe
PID 1056 wrote to memory of 2040	1056	DOCUMENT FILE.exe	DOCUMENT FILE.exe
PID 1056 wrote to memory of 2040	1056	DOCUMENT FILE.exe	DOCUMENT FILE.exe
PID 1056 wrote to memory of 2040	1056	DOCUMENT FILE.exe	DOCUMENT FILE.exe
PID 1056 wrote to memory of 2040	1056	DOCUMENT FILE.exe	DOCUMENT FILE.exe
PID 1056 wrote to memory of 2040	1056	DOCUMENT FILE.exe	DOCUMENT FILE.exe
PID 1056 wrote to memory of 2040	1056	DOCUMENT FILE.exe	DOCUMENT FILE.exe
PID 2040 wrote to memory of 1348	2040	DOCUMENT FILE.exe	cmd.exe
PID 2040 wrote to memory of 1348	2040	DOCUMENT FILE.exe	cmd.exe
PID 2040 wrote to memory of 1348	2040	DOCUMENT FILE.exe	cmd.exe
PID 2040 wrote to memory of 1348	2040	DOCUMENT FILE.exe	cmd.exe
PID 1348 wrote to memory of 1172	1348	cmd.exe	timeout.exe
PID 1348 wrote to memory of 1172	1348	cmd.exe	timeout.exe
PID 1348 wrote to memory of 1172	1348	cmd.exe	timeout.exe
PID 1348 wrote to memory of 1172	1348	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\DOCUMENT FILE.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUMENT FILE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1056

C:\Users\Admin\AppData\Local\Temp\DOCUMENT FILE.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUMENT FILE.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\DOCUMENT FILE.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:1348

C:\Windows\SysWOW64\timeout.exe
timeout /t 3
4⤵
- Delays execution with timeout.exe
PID:1172

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1056-2-0x0000000004940000-0x0000000004951000-memory.dmp

Filesize
68KB

Download
memory/1056-7-0x0000000000290000-0x00000000002C9000-memory.dmp

Filesize
228KB

Download
memory/1056-6-0x00000000001B0000-0x00000000001D3000-memory.dmp

Filesize
140KB

Download
memory/1172-11-0x0000000000000000-mapping.dmp

Download
memory/1300-9-0x000007FEF71F0000-0x000007FEF746A000-memory.dmp

Filesize
2.5MB

Download
memory/1348-10-0x0000000000000000-mapping.dmp

Download
memory/2040-4-0x000000000041EA5D-mapping.dmp

Download
memory/2040-3-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2040-5-0x0000000075A61000-0x0000000075A63000-memory.dmp

Filesize
8KB

Download
memory/2040-8-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download

Analysis

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