taurus | 70a99ba0d7f5480712d328df4fbee1b292785672ca182eb470cc24ee2aefa2e2

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-03-2024 20:10

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General

Target

dc834af94d4cba3391bcd4b6537b8b9f.exe
Size

939KB
MD5

dc834af94d4cba3391bcd4b6537b8b9f
SHA1

7b238266576ba6d7340f340f168d3695018e9658
SHA256

70a99ba0d7f5480712d328df4fbee1b292785672ca182eb470cc24ee2aefa2e2
SHA512

103eb5eaf0af283ccd0e8167dc7468386f3ec032d7420b6a63630ce0259b1282ddf2408a0aa744af7e39d3e05e050b47a8514c5504e0485dab3e431943b6ee27
SSDEEP

6144:D1f6vg7Sq49hmWdQ++WD+z91pC+MmA506FF1ZYN7EEpLdJF+UYELYGcJg65H0d9O:D1fzSzkq0z91p1MmAjPANbrMUF8Gxf

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 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2964-1-0x0000000000400000-0x00000000004EE000-memory.dmp	family_taurus_stealer
behavioral1/memory/2964-2-0x0000000000400000-0x00000000004EE000-memory.dmp	family_taurus_stealer

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2676 cmd.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
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2752 timeout.exe

pid	process
2676	cmd.exe

pid	process
2752	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

dc834af94d4cba3391bcd4b6537b8b9f.execmd.exe

description	pid	process	target process
PID 2964 wrote to memory of 2676	2964	dc834af94d4cba3391bcd4b6537b8b9f.exe	cmd.exe
PID 2964 wrote to memory of 2676	2964	dc834af94d4cba3391bcd4b6537b8b9f.exe	cmd.exe
PID 2964 wrote to memory of 2676	2964	dc834af94d4cba3391bcd4b6537b8b9f.exe	cmd.exe
PID 2964 wrote to memory of 2676	2964	dc834af94d4cba3391bcd4b6537b8b9f.exe	cmd.exe
PID 2676 wrote to memory of 2752	2676	cmd.exe	timeout.exe
PID 2676 wrote to memory of 2752	2676	cmd.exe	timeout.exe
PID 2676 wrote to memory of 2752	2676	cmd.exe	timeout.exe
PID 2676 wrote to memory of 2752	2676	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\dc834af94d4cba3391bcd4b6537b8b9f.exe
"C:\Users\Admin\AppData\Local\Temp\dc834af94d4cba3391bcd4b6537b8b9f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\dc834af94d4cba3391bcd4b6537b8b9f.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2964-0-0x0000000000560000-0x00000000005CE000-memory.dmp

Filesize
440KB

Download
memory/2964-1-0x0000000000400000-0x00000000004EE000-memory.dmp

Filesize
952KB

Download
memory/2964-2-0x0000000000400000-0x00000000004EE000-memory.dmp

Filesize
952KB

Download
memory/2964-3-0x0000000000560000-0x00000000005CE000-memory.dmp

Filesize
440KB

Download