taurus | 5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07

General

Target

5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07.exe
Size

331KB
MD5

61353e0ab916788ac8343dc97b773c92
SHA1

b81bad475d327b60b80228c9f41b2c4b2abab81f
SHA256

5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07
SHA512

9e9403f711739960afc048e45a8b234be149dd50df74912b5f3c89af2c775a4b9c1f0efb59794baefc1c5d738bda0569d1f2fb12094766968fce951a0983f249

Score

10^/10

taurus discovery spyware stealer trojan upx

Malware Config

Signatures

Taurus Stealer
Taurus is an infostealer first seen in June 2020.
trojan stealer taurus

Taurus Stealer payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3124-131-0x00000000001C0000-0x00000000001F6000-memory.dmp	family_taurus_stealer
behavioral2/memory/3124-132-0x0000000000400000-0x0000000004DB8000-memory.dmp	family_taurus_stealer
behavioral2/memory/3124-137-0x0000000000400000-0x0000000004DB8000-memory.dmp	family_taurus_stealer

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3124-130-0x0000000000400000-0x0000000004DB8000-memory.dmp	upx

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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4364 3124 WerFault.exe 5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4312 timeout.exe

pid	pid_target	process	target process
4364	3124	WerFault.exe	5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07.exe

pid	process
4312	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07.execmd.exe

description	pid	process	target process
PID 3124 wrote to memory of 5060	3124	5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07.exe	cmd.exe
PID 3124 wrote to memory of 5060	3124	5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07.exe	cmd.exe
PID 3124 wrote to memory of 5060	3124	5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07.exe	cmd.exe
PID 5060 wrote to memory of 4312	5060	cmd.exe	timeout.exe
PID 5060 wrote to memory of 4312	5060	cmd.exe	timeout.exe
PID 5060 wrote to memory of 4312	5060	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07.exe
"C:\Users\Admin\AppData\Local\Temp\5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3124
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\5b4a80afd50b793ceb6058b9e1595b3835b660fbce20299a878a4bd19b276e07.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5060
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:4312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 1304
  2⤵
  - Program crash
  PID:4364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3124 -ip 3124
1⤵
PID:1840

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/3124-130-0x0000000000400000-0x0000000004DB8000-memory.dmp

Filesize
73.7MB

Download
memory/3124-131-0x00000000001C0000-0x00000000001F6000-memory.dmp

Filesize
216KB

Download
memory/3124-132-0x0000000000400000-0x0000000004DB8000-memory.dmp

Filesize
73.7MB

Download
memory/3124-133-0x0000000004E42000-0x0000000004E63000-memory.dmp

Filesize
132KB

Download
memory/3124-136-0x0000000004E42000-0x0000000004E63000-memory.dmp

Filesize
132KB

Download
memory/3124-137-0x0000000000400000-0x0000000004DB8000-memory.dmp

Filesize
73.7MB

Download
memory/4312-135-0x0000000000000000-mapping.dmp

Download
memory/5060-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads