taurus | c9237f48fc92a85c6e5bb1820b41d940d2cd9237fe7812d4902c4e9ee7a1ec41

Analysis

max time kernel
155s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
08-05-2022 07:26

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General

Target

c9237f48fc92a85c6e5bb1820b41d940d2cd9237fe7812d4902c4e9ee7a1ec41.exe
Size

364KB
MD5

dcaaf7e60681293bfff9b059201e4199
SHA1

44756b74511fb39fa32a90a0e7981f254ed576c8
SHA256

c9237f48fc92a85c6e5bb1820b41d940d2cd9237fe7812d4902c4e9ee7a1ec41
SHA512

4ab6987a27f21cea6e776741831fc3100c365d8f919647094e53f4925eeed05d5f6838f61ff5da29f33c6b89d939c7a4a1b29f8e4d30bc2ebc888d3ba2763aa9

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
behavioral2/memory/1724-132-0x00000000020F0000-0x0000000002125000-memory.dmp	family_taurus_stealer
behavioral2/memory/1724-133-0x0000000000400000-0x00000000004FF000-memory.dmp	family_taurus_stealer

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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4588 1724 WerFault.exe c9237f48fc92a85c6e5bb1820b41d940d2cd9237fe7812d4902c4e9ee7a1ec41.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4856 timeout.exe

pid	pid_target	process	target process
4588	1724	WerFault.exe	c9237f48fc92a85c6e5bb1820b41d940d2cd9237fe7812d4902c4e9ee7a1ec41.exe

pid	process
4856	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c9237f48fc92a85c6e5bb1820b41d940d2cd9237fe7812d4902c4e9ee7a1ec41.execmd.exe

description	pid	process	target process
PID 1724 wrote to memory of 2668	1724	c9237f48fc92a85c6e5bb1820b41d940d2cd9237fe7812d4902c4e9ee7a1ec41.exe	cmd.exe
PID 1724 wrote to memory of 2668	1724	c9237f48fc92a85c6e5bb1820b41d940d2cd9237fe7812d4902c4e9ee7a1ec41.exe	cmd.exe
PID 1724 wrote to memory of 2668	1724	c9237f48fc92a85c6e5bb1820b41d940d2cd9237fe7812d4902c4e9ee7a1ec41.exe	cmd.exe
PID 2668 wrote to memory of 4856	2668	cmd.exe	timeout.exe
PID 2668 wrote to memory of 4856	2668	cmd.exe	timeout.exe
PID 2668 wrote to memory of 4856	2668	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\c9237f48fc92a85c6e5bb1820b41d940d2cd9237fe7812d4902c4e9ee7a1ec41.exe
"C:\Users\Admin\AppData\Local\Temp\c9237f48fc92a85c6e5bb1820b41d940d2cd9237fe7812d4902c4e9ee7a1ec41.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\c9237f48fc92a85c6e5bb1820b41d940d2cd9237fe7812d4902c4e9ee7a1ec41.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2668

C:\Windows\SysWOW64\timeout.exe
timeout /t 3
3⤵
- Delays execution with timeout.exe
PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 1328
2⤵
- Program crash
PID:4588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1724 -ip 1724
1⤵
PID:4488

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1724-131-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/1724-132-0x00000000020F0000-0x0000000002125000-memory.dmp

Filesize
212KB

Download
memory/1724-133-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2668-134-0x0000000000000000-mapping.dmp

Download
memory/4856-135-0x0000000000000000-mapping.dmp

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