taurus | 954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45

General

Target

954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe
Size

4.7MB
MD5

f1bb608fc3469071c9e53176a8ed4b1c
SHA1

ce2566f17c0122c98aeb641cee58be6aa1713bf9
SHA256

954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45
SHA512

d2c848e16bb5654a429918bf2ac3f4703beed3593e53be2b1e0b397fe8a1772245ff7dce7faedb9d23fe8d84d152f1aa91dcfcf5f8fd9323d7f8a9683608cf04
SSDEEP

98304:Hziv6BKfqznyVk+y4LxwpYizyk1VuXNR2lD9tDoe1NGdWrzrzmYrK:mv6B7VYDk1VuTm9xoe+on

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 6 IoCs

resource	yara_rule
behavioral1/memory/1304-60-0x0000000000040000-0x00000000009E2000-memory.dmp	family_taurus_stealer
behavioral1/memory/1304-61-0x0000000000040000-0x00000000009E2000-memory.dmp	family_taurus_stealer
behavioral1/memory/1304-64-0x0000000000040000-0x00000000009E2000-memory.dmp	family_taurus_stealer
behavioral1/memory/1304-63-0x0000000000040000-0x00000000009E2000-memory.dmp	family_taurus_stealer
behavioral1/memory/1304-65-0x0000000000040000-0x00000000009E2000-memory.dmp	family_taurus_stealer
behavioral1/memory/1304-69-0x0000000000040000-0x00000000009E2000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe

Deletes itself 1 IoCs

pid	Process
1832	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

Themida packer 7 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1304-54-0x0000000000040000-0x00000000009E2000-memory.dmp	themida
behavioral1/memory/1304-60-0x0000000000040000-0x00000000009E2000-memory.dmp	themida
behavioral1/memory/1304-61-0x0000000000040000-0x00000000009E2000-memory.dmp	themida
behavioral1/memory/1304-64-0x0000000000040000-0x00000000009E2000-memory.dmp	themida
behavioral1/memory/1304-63-0x0000000000040000-0x00000000009E2000-memory.dmp	themida
behavioral1/memory/1304-65-0x0000000000040000-0x00000000009E2000-memory.dmp	themida
behavioral1/memory/1304-69-0x0000000000040000-0x00000000009E2000-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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1304	954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1956	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 1832	1304	954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe	32
PID 1304 wrote to memory of 1832	1304	954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe	32
PID 1304 wrote to memory of 1832	1304	954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe	32
PID 1304 wrote to memory of 1832	1304	954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe	32
PID 1832 wrote to memory of 1956	1832	cmd.exe	34
PID 1832 wrote to memory of 1956	1832	cmd.exe	34
PID 1832 wrote to memory of 1956	1832	cmd.exe	34
PID 1832 wrote to memory of 1956	1832	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe
"C:\Users\Admin\AppData\Local\Temp\954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.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:1304
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1832
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:1956

Network

MITRE ATT&CK Enterprise 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

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1304-63-0x0000000000040000-0x00000000009E2000-memory.dmp

Filesize
9.6MB

Download
memory/1304-59-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

Download
memory/1304-60-0x0000000000040000-0x00000000009E2000-memory.dmp

Filesize
9.6MB

Download
memory/1304-61-0x0000000000040000-0x00000000009E2000-memory.dmp

Filesize
9.6MB

Download
memory/1304-62-0x0000000077B70000-0x0000000077CF0000-memory.dmp

Filesize
1.5MB

Download
memory/1304-64-0x0000000000040000-0x00000000009E2000-memory.dmp

Filesize
9.6MB

Download
memory/1304-54-0x0000000000040000-0x00000000009E2000-memory.dmp

Filesize
9.6MB

Download
memory/1304-65-0x0000000000040000-0x00000000009E2000-memory.dmp

Filesize
9.6MB

Download
memory/1304-66-0x0000000077B70000-0x0000000077CF0000-memory.dmp

Filesize
1.5MB

Download
memory/1304-69-0x0000000000040000-0x00000000009E2000-memory.dmp

Filesize
9.6MB

Download
memory/1304-70-0x0000000077B70000-0x0000000077CF0000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads