taurus | 0530d87218253d7f3ddcaf0444dbcaa7b5e2e20be4c0b392e336d2646007bcf4

Analysis

max time kernel
141s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03-06-2024 12:38

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General

Target

91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe
Size

3.0MB
MD5

91d00c164f45e9e6bafc44817d84be8d
SHA1

40ede9a7accfda3764f41682315586a95dd75e8c
SHA256

0530d87218253d7f3ddcaf0444dbcaa7b5e2e20be4c0b392e336d2646007bcf4
SHA512

166d55b050ad9d638ccfd38a41bf4e0ad057ff1b2c9485886f1a032f832e26837697c1f66a94e48d97cdb2bb4ecec70f2afba436ecc47cfc12d33e2d3aa4dc76
SSDEEP

49152:yoTYFyxIT4/TKXCEGScWZu33UdgIXfp2wSZIWbTpUfL1UU6RogdGcR+Ty/slY1Re:RInTkTKyEGS7U33A1fMFTbTpUz1UaJG2

Score

10^/10

taurus discovery evasion spyware stealer trojan

Malware Config

Signatures

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

Taurus Stealer payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2124-3-0x0000000000F11000-0x0000000000F2D000-memory.dmp	family_taurus_stealer
behavioral2/memory/2124-4-0x0000000000F10000-0x00000000015B9000-memory.dmp	family_taurus_stealer
behavioral2/memory/2124-5-0x0000000000F10000-0x00000000015B9000-memory.dmp	family_taurus_stealer
behavioral2/memory/2124-7-0x0000000000F10000-0x00000000015B9000-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:

91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.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:

91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine	91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe

pid process

2124 91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe

pid process

2124 91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe
2124 91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe

pid	process
2124	91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe

pid	process
2124	91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe
2124	91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\91d00c164f45e9e6bafc44817d84be8d_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2124-0-0x0000000000F10000-0x00000000015B9000-memory.dmp

Filesize
6.7MB

Download
memory/2124-1-0x00000000778D4000-0x00000000778D6000-memory.dmp

Filesize
8KB

Download
memory/2124-3-0x0000000000F11000-0x0000000000F2D000-memory.dmp

Filesize
112KB

Download
memory/2124-2-0x0000000003730000-0x0000000003731000-memory.dmp

Filesize
4KB

Download
memory/2124-4-0x0000000000F10000-0x00000000015B9000-memory.dmp

Filesize
6.7MB

Download
memory/2124-5-0x0000000000F10000-0x00000000015B9000-memory.dmp

Filesize
6.7MB

Download
memory/2124-7-0x0000000000F10000-0x00000000015B9000-memory.dmp

Filesize
6.7MB

Download