taurus | bdff9dad187f35a29841bf3640584a07cdad2a8f72a908bc29ea99fba549befd

Analysis

max time kernel
24s
max time network
32s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
10-07-2023 02:57

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General

Target

FilmoraPromоtiоnVidео.scr
Size

690.5MB
MD5

396e65b6305c12f93342ec94e9dbd7b0
SHA1

462ec73a270961e773357222a57540f77c446013
SHA256

92d11ab454c85909e43c2d970b2b19101efd5deb16b5d56957a7eacce2c2052d
SHA512

b51d93a64d43cd5e9f9965cf6ac152df265150f32a22d02deb4085c905ce7baa8796d98dfd9d20768ab0c5ce63def624cde98a8f74b0c4d9b3efdf5c2ef04510
SSDEEP

6144:tK/fF/coWpbk9kwiY7PQHTPy/hHnzhAWNIvZhaj7zMh9gmxY5r:tK/fCfykkEiHzeWNIvZA7IhOmxY5r

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/1676-54-0x0000000000400000-0x000000000047C000-memory.dmp	family_taurus_stealer
behavioral1/memory/1676-56-0x0000000000400000-0x000000000047C000-memory.dmp	family_taurus_stealer

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2108 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
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
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1328 timeout.exe

pid	process
2108	cmd.exe

pid	process
1328	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

FilmoraPromоtiоnVidео.scrcmd.exe

description	pid	process	target process
PID 1676 wrote to memory of 2108	1676	FilmoraPromоtiоnVidео.scr	cmd.exe
PID 1676 wrote to memory of 2108	1676	FilmoraPromоtiоnVidео.scr	cmd.exe
PID 1676 wrote to memory of 2108	1676	FilmoraPromоtiоnVidео.scr	cmd.exe
PID 1676 wrote to memory of 2108	1676	FilmoraPromоtiоnVidео.scr	cmd.exe
PID 2108 wrote to memory of 1328	2108	cmd.exe	timeout.exe
PID 2108 wrote to memory of 1328	2108	cmd.exe	timeout.exe
PID 2108 wrote to memory of 1328	2108	cmd.exe	timeout.exe
PID 2108 wrote to memory of 1328	2108	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\FilmoraPromоtiоnVidео.scr
"C:\Users\Admin\AppData\Local\Temp\FilmoraPromоtiоnVidео.scr" /S
1⤵
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\FilmoraProm?ti?nVid??.scr
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2108
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:1328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

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/1676-54-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1676-55-0x0000000000230000-0x000000000029A000-memory.dmp

Filesize
424KB

Download
memory/1676-56-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download