Malware Analysis Report

2024-10-23 17:13

Sample ID 210515-ghxj34k8dn
Target 7a9c574a3ef86ab174cc3a48f6b000d1.exe
SHA256 24b335b5bb52f65a242f90c1f10fe171a1a4b38214a192c387529aa69280ab60
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

24b335b5bb52f65a242f90c1f10fe171a1a4b38214a192c387529aa69280ab60

Threat Level: Known bad

The file 7a9c574a3ef86ab174cc3a48f6b000d1.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

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-05-15 01:02

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-05-15 01:02

Reported

2021-05-15 01:04

Platform

win7v20210410

Max time kernel

122s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.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 SetThreadContext

Description Indicator Process Target
PID 1640 set thread context of 596 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1640 wrote to memory of 596 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1640 wrote to memory of 596 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1640 wrote to memory of 596 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1640 wrote to memory of 596 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1640 wrote to memory of 596 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1640 wrote to memory of 596 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1640 wrote to memory of 596 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1640 wrote to memory of 596 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1640 wrote to memory of 596 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1640 wrote to memory of 596 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1640 wrote to memory of 596 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1640 wrote to memory of 596 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1640 wrote to memory of 596 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe

"C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe"

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

"{path}"

Network

Country Destination Domain Proto
N/A 51.195.70.170:80 51.195.70.170 tcp

Files

memory/1640-59-0x00000000000B0000-0x00000000000B1000-memory.dmp

memory/1640-61-0x0000000004120000-0x0000000004121000-memory.dmp

memory/1640-62-0x0000000001E80000-0x0000000001E8E000-memory.dmp

memory/1640-63-0x0000000007F60000-0x0000000007FF0000-memory.dmp

memory/1640-64-0x0000000004530000-0x0000000004578000-memory.dmp

memory/596-66-0x000000000041EC63-mapping.dmp

memory/596-65-0x0000000000400000-0x000000000043A000-memory.dmp

memory/596-67-0x0000000075631000-0x0000000075633000-memory.dmp

memory/596-68-0x0000000000400000-0x000000000043A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-05-15 01:02

Reported

2021-05-15 01:05

Platform

win10v20210410

Max time kernel

40s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.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 SetThreadContext

Description Indicator Process Target
PID 1832 set thread context of 1168 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\WerFault.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\WerFault.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WerFault.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1832 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1832 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1832 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1832 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1832 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1832 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1832 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1832 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1832 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe

"C:\Users\Admin\AppData\Local\Temp\7a9c574a3ef86ab174cc3a48f6b000d1.exe"

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

"{path}"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1168 -s 1076

Network

Country Destination Domain Proto
N/A 51.195.70.170:80 51.195.70.170 tcp

Files

memory/1832-114-0x0000000000B20000-0x0000000000B21000-memory.dmp

memory/1832-116-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

memory/1832-117-0x00000000054D0000-0x00000000054D1000-memory.dmp

memory/1832-118-0x00000000054B0000-0x00000000054B1000-memory.dmp

memory/1832-119-0x00000000055E0000-0x0000000005ADE000-memory.dmp

memory/1832-120-0x0000000007160000-0x0000000007161000-memory.dmp

memory/1832-121-0x0000000005A10000-0x0000000005A1E000-memory.dmp

memory/1832-122-0x0000000008D40000-0x0000000008DD0000-memory.dmp

memory/1832-123-0x000000000B500000-0x000000000B548000-memory.dmp

memory/1168-124-0x0000000000400000-0x000000000043A000-memory.dmp

memory/1168-125-0x000000000041EC63-mapping.dmp

memory/1168-126-0x0000000000400000-0x000000000043A000-memory.dmp