taurus | 35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06

General

Target

35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe
Size

2.4MB
MD5

8a5b6d081faf535311f38068373e2e3a
SHA1

e98d578d20a2c371a50fc5e59791539e045df035
SHA256

35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06
SHA512

b6fa8990153459f8549670e7e1d7d520a296a704dca909dc64a359da3958fcd460dce7a0b0ddd80aa0dab9e4c23a9aa0e5dcbc40790ac801b71b686ab0b2a7b1

Score

10^/10

taurus discovery evasion spyware stealer themida trojan

Malware Config

Signatures

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

Taurus Stealer payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/904-56-0x0000000000DC0000-0x00000000013B9000-memory.dmp	family_taurus_stealer
behavioral1/memory/904-57-0x0000000000DC0000-0x00000000013B9000-memory.dmp	family_taurus_stealer
behavioral1/memory/904-58-0x0000000000DC0000-0x00000000013B9000-memory.dmp	family_taurus_stealer
behavioral1/memory/904-59-0x0000000000DC0000-0x00000000013B9000-memory.dmp	family_taurus_stealer
behavioral1/memory/904-60-0x0000000000DC0000-0x00000000013B9000-memory.dmp	family_taurus_stealer
behavioral1/memory/904-62-0x0000000000DC0000-0x00000000013B9000-memory.dmp	family_taurus_stealer
behavioral1/memory/904-66-0x0000000000DC0000-0x00000000013B9000-memory.dmp	family_taurus_stealer

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1416 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

pid	process
1416	cmd.exe

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/904-55-0x0000000000DC0000-0x00000000013B9000-memory.dmp	themida
behavioral1/memory/904-56-0x0000000000DC0000-0x00000000013B9000-memory.dmp	themida
behavioral1/memory/904-57-0x0000000000DC0000-0x00000000013B9000-memory.dmp	themida
behavioral1/memory/904-58-0x0000000000DC0000-0x00000000013B9000-memory.dmp	themida
behavioral1/memory/904-59-0x0000000000DC0000-0x00000000013B9000-memory.dmp	themida
behavioral1/memory/904-60-0x0000000000DC0000-0x00000000013B9000-memory.dmp	themida
behavioral1/memory/904-62-0x0000000000DC0000-0x00000000013B9000-memory.dmp	themida
behavioral1/memory/904-66-0x0000000000DC0000-0x00000000013B9000-memory.dmp	themida

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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe

pid process

904 35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

268 timeout.exe

pid	process
904	35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe

pid	process
268	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.execmd.exe

description	pid	process	target process
PID 904 wrote to memory of 1416	904	35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe	cmd.exe
PID 904 wrote to memory of 1416	904	35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe	cmd.exe
PID 904 wrote to memory of 1416	904	35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe	cmd.exe
PID 904 wrote to memory of 1416	904	35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe	cmd.exe
PID 1416 wrote to memory of 268	1416	cmd.exe	timeout.exe
PID 1416 wrote to memory of 268	1416	cmd.exe	timeout.exe
PID 1416 wrote to memory of 268	1416	cmd.exe	timeout.exe
PID 1416 wrote to memory of 268	1416	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe
"C:\Users\Admin\AppData\Local\Temp\35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:904

C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\35b05a0938064d3be3acd398c6e07750e94eeea80449ee713a7fdc0442f59f06.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1416

C:\Windows\SysWOW64\timeout.exe
timeout /t 3
3⤵
- Delays execution with timeout.exe
PID:268

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

3

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/268-65-0x0000000000000000-mapping.dmp

Download
memory/904-60-0x0000000000DC0000-0x00000000013B9000-memory.dmp

Filesize
6.0MB

Download
memory/904-56-0x0000000000DC0000-0x00000000013B9000-memory.dmp

Filesize
6.0MB

Download
memory/904-57-0x0000000000DC0000-0x00000000013B9000-memory.dmp

Filesize
6.0MB

Download
memory/904-58-0x0000000000DC0000-0x00000000013B9000-memory.dmp

Filesize
6.0MB

Download
memory/904-59-0x0000000000DC0000-0x00000000013B9000-memory.dmp

Filesize
6.0MB

Download
memory/904-54-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/904-61-0x0000000076F70000-0x00000000770F0000-memory.dmp

Filesize
1.5MB

Download
memory/904-62-0x0000000000DC0000-0x00000000013B9000-memory.dmp

Filesize
6.0MB

Download
memory/904-63-0x0000000076F70000-0x00000000770F0000-memory.dmp

Filesize
1.5MB

Download
memory/904-66-0x0000000000DC0000-0x00000000013B9000-memory.dmp

Filesize
6.0MB

Download
memory/904-55-0x0000000000DC0000-0x00000000013B9000-memory.dmp

Filesize
6.0MB

Download
memory/904-67-0x0000000076F70000-0x00000000770F0000-memory.dmp

Filesize
1.5MB

Download
memory/1416-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads