taurus | 60227c61219bfba2a397ff898e998e41bea302741edf2e6b68a5a389302c43ef

Analysis

max time kernel
137s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
16-05-2024 16:20

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General

Target

4bf758a65fe7dc8f879571f9bf5faf1b_JaffaCakes118.exe
Size

201KB
MD5

4bf758a65fe7dc8f879571f9bf5faf1b
SHA1

dc8898166de5788b9573833378af95c774f66dc6
SHA256

60227c61219bfba2a397ff898e998e41bea302741edf2e6b68a5a389302c43ef
SHA512

60872aacc14b5ea6bbdcc10039e9b016aa82cedd844d7c39c61ec4e4c2d07e36dfb6b0ab9ea619da3ba0c4cc141adac62a85d83a46b44e68d942ba10774bb4d5
SSDEEP

6144:jXwU1iLEG7znkvOc009BbnUBah3nafO80Ha1:L1OEhOUBbn7Y1

Score

10^/10

taurus discovery 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/3864-3-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral2/memory/3864-2-0x00000000001C0000-0x00000000001F5000-memory.dmp	family_taurus_stealer
behavioral2/memory/3864-5-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral2/memory/3864-4-0x0000000000400000-0x0000000000F8F000-memory.dmp	family_taurus_stealer

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
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3396 timeout.exe

pid	process
3396	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

4bf758a65fe7dc8f879571f9bf5faf1b_JaffaCakes118.execmd.exe

description	pid	process	target process
PID 3864 wrote to memory of 1332	3864	4bf758a65fe7dc8f879571f9bf5faf1b_JaffaCakes118.exe	cmd.exe
PID 3864 wrote to memory of 1332	3864	4bf758a65fe7dc8f879571f9bf5faf1b_JaffaCakes118.exe	cmd.exe
PID 3864 wrote to memory of 1332	3864	4bf758a65fe7dc8f879571f9bf5faf1b_JaffaCakes118.exe	cmd.exe
PID 1332 wrote to memory of 3396	1332	cmd.exe	timeout.exe
PID 1332 wrote to memory of 3396	1332	cmd.exe	timeout.exe
PID 1332 wrote to memory of 3396	1332	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\4bf758a65fe7dc8f879571f9bf5faf1b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4bf758a65fe7dc8f879571f9bf5faf1b_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3864

C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\4bf758a65fe7dc8f879571f9bf5faf1b_JaffaCakes118.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1332

C:\Windows\SysWOW64\timeout.exe
timeout /t 3
3⤵
- Delays execution with timeout.exe
PID:3396

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3864-1-0x0000000000FE0000-0x00000000010E0000-memory.dmp

Filesize
1024KB

Download
memory/3864-3-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3864-2-0x00000000001C0000-0x00000000001F5000-memory.dmp

Filesize
212KB

Download
memory/3864-5-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3864-4-0x0000000000400000-0x0000000000F8F000-memory.dmp

Filesize
11.6MB

Download