Malware Analysis Report

2024-10-23 17:13

Sample ID 210518-mz4sjfcyhe
Target 11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe
SHA256 11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7
Tags
taurus spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7

Threat Level: Known bad

The file 11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe was found to be: Known bad.

Malicious Activity Summary

taurus spyware stealer trojan

Taurus Stealer

Taurus Stealer Payload

Accesses 2FA software files, possible credential harvesting

Suspicious use of SetThreadContext

Delays execution with timeout.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-05-18 00:01

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-05-18 00:01

Reported

2021-05-18 00:04

Platform

win7v20210410

Max time kernel

56s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe"

Signatures

Taurus Stealer

trojan stealer taurus

Taurus Stealer Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Accesses 2FA software files, possible credential harvesting

spyware stealer

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 452 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 452 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 452 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 452 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 452 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 452 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 452 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 452 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 452 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 452 wrote to memory of 1352 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1352 wrote to memory of 296 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe C:\Windows\SysWOW64\cmd.exe
PID 1352 wrote to memory of 296 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe C:\Windows\SysWOW64\cmd.exe
PID 1352 wrote to memory of 296 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe C:\Windows\SysWOW64\cmd.exe
PID 1352 wrote to memory of 296 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe C:\Windows\SysWOW64\cmd.exe
PID 296 wrote to memory of 540 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 296 wrote to memory of 540 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 296 wrote to memory of 540 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 296 wrote to memory of 540 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe

"C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

C:\Windows\SysWOW64\cmd.exe

/c timeout /t 3 & del /f /q C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

C:\Windows\SysWOW64\timeout.exe

timeout /t 3

Network

Country Destination Domain Proto
N/A 95.181.152.81:80 95.181.152.81 tcp
N/A 95.181.152.81:443 tcp
N/A 8.8.8.8:53 x1.c.lencr.org udp
N/A 23.222.18.107:80 x1.c.lencr.org tcp
N/A 95.181.152.81:443 tcp
N/A 95.181.152.81:443 tcp
N/A 95.181.152.81:443 tcp
N/A 95.181.152.81:443 tcp
N/A 95.181.152.81:443 tcp
N/A 95.181.152.81:443 tcp
N/A 95.181.152.81:443 tcp
N/A 95.181.152.81:443 tcp
N/A 95.181.152.81:443 tcp
N/A 95.181.152.81:443 tcp
N/A 95.181.152.81:443 tcp

Files

memory/452-60-0x0000000000F10000-0x0000000000F11000-memory.dmp

memory/452-62-0x0000000000480000-0x0000000000481000-memory.dmp

memory/452-63-0x0000000000A70000-0x0000000000A83000-memory.dmp

memory/1352-65-0x000000000041EB40-mapping.dmp

memory/1352-64-0x0000000000400000-0x000000000043A000-memory.dmp

memory/1352-66-0x00000000753E1000-0x00000000753E3000-memory.dmp

memory/1352-67-0x0000000000400000-0x000000000043A000-memory.dmp

memory/296-68-0x0000000000000000-mapping.dmp

memory/540-69-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-05-18 00:01

Reported

2021-05-18 00:04

Platform

win10v20210408

Max time kernel

139s

Max time network

162s

Command Line

"C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe"

Signatures

Taurus Stealer

trojan stealer taurus

Taurus Stealer Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Accesses 2FA software files, possible credential harvesting

spyware stealer

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 636 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 636 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 636 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 636 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 636 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 636 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 636 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 636 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 636 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 636 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 636 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 636 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe

"C:\Users\Admin\AppData\Local\Temp\11c493b1c2a4f8f2c9c61786ee882b63466fcb07126b0d98a2ed2a3836ba36e7.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

Network

Country Destination Domain Proto
N/A 95.181.152.81:80 tcp
N/A 95.181.152.81:80 tcp
N/A 95.181.152.81:80 tcp
N/A 95.181.152.81:80 tcp
N/A 95.181.152.81:80 tcp

Files

memory/636-114-0x0000000000A30000-0x0000000000A31000-memory.dmp

memory/636-116-0x0000000005970000-0x0000000005971000-memory.dmp

memory/636-117-0x0000000005510000-0x0000000005511000-memory.dmp

memory/636-118-0x0000000005470000-0x000000000596E000-memory.dmp

memory/636-119-0x0000000005470000-0x0000000005471000-memory.dmp

memory/636-120-0x00000000054F0000-0x0000000005503000-memory.dmp

memory/2668-121-0x0000000000400000-0x000000000043A000-memory.dmp

memory/2668-122-0x000000000041EB40-mapping.dmp

memory/2668-123-0x0000000000400000-0x000000000043A000-memory.dmp