taurus | a47bd76b1a8fad38780fb7d983d6634d565c42c6da702eb630218fcab05a2e4a

General

Target

a47bd76b1a8fad38780fb7d983d6634d565c42c6da702eb630218fcab05a2e4a.exe
Size

340KB
MD5

2698acb7cbe77cc6fe1c91b9ae6a094a
SHA1

1b248628cd297083f9ba7a74f03aa62ed43d4bd1
SHA256

a47bd76b1a8fad38780fb7d983d6634d565c42c6da702eb630218fcab05a2e4a
SHA512

12ea18d4b8ad3853e5200c6bf552c5d45f2dc5678ed8fdf31ac99a56f9fd913068a0f5b9fd758a4452b2f11ba84283398f674028cb269e27536fef373c9b82d6

Score

10^/10

taurus discovery spyware stealer trojan upx

Malware Config

Signatures

Taurus Stealer
Taurus is an infostealer first seen in June 2020.
trojan stealer taurus

Taurus Stealer payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1912-56-0x0000000000290000-0x00000000002C6000-memory.dmp	family_taurus_stealer
behavioral1/memory/1912-57-0x0000000000400000-0x00000000047D9000-memory.dmp	family_taurus_stealer
behavioral1/memory/1912-61-0x0000000000400000-0x00000000047D9000-memory.dmp	family_taurus_stealer

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1912-55-0x0000000000400000-0x00000000047D9000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

560 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

1572 timeout.exe

pid	process
560	cmd.exe

pid	process
1572	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

a47bd76b1a8fad38780fb7d983d6634d565c42c6da702eb630218fcab05a2e4a.execmd.exe

description	pid	process	target process
PID 1912 wrote to memory of 560	1912	a47bd76b1a8fad38780fb7d983d6634d565c42c6da702eb630218fcab05a2e4a.exe	cmd.exe
PID 1912 wrote to memory of 560	1912	a47bd76b1a8fad38780fb7d983d6634d565c42c6da702eb630218fcab05a2e4a.exe	cmd.exe
PID 1912 wrote to memory of 560	1912	a47bd76b1a8fad38780fb7d983d6634d565c42c6da702eb630218fcab05a2e4a.exe	cmd.exe
PID 1912 wrote to memory of 560	1912	a47bd76b1a8fad38780fb7d983d6634d565c42c6da702eb630218fcab05a2e4a.exe	cmd.exe
PID 560 wrote to memory of 1572	560	cmd.exe	timeout.exe
PID 560 wrote to memory of 1572	560	cmd.exe	timeout.exe
PID 560 wrote to memory of 1572	560	cmd.exe	timeout.exe
PID 560 wrote to memory of 1572	560	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\a47bd76b1a8fad38780fb7d983d6634d565c42c6da702eb630218fcab05a2e4a.exe
"C:\Users\Admin\AppData\Local\Temp\a47bd76b1a8fad38780fb7d983d6634d565c42c6da702eb630218fcab05a2e4a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1912

C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\a47bd76b1a8fad38780fb7d983d6634d565c42c6da702eb630218fcab05a2e4a.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:560

C:\Windows\SysWOW64\timeout.exe
timeout /t 3
3⤵
- Delays execution with timeout.exe
PID:1572

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/560-59-0x0000000000000000-mapping.dmp

Download
memory/1572-60-0x0000000000000000-mapping.dmp

Download
memory/1912-54-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

Filesize
8KB

Download
memory/1912-55-0x0000000000400000-0x00000000047D9000-memory.dmp

Filesize
67.8MB

Download
memory/1912-56-0x0000000000290000-0x00000000002C6000-memory.dmp

Filesize
216KB

Download
memory/1912-57-0x0000000000400000-0x00000000047D9000-memory.dmp

Filesize
67.8MB

Download
memory/1912-58-0x0000000000220000-0x0000000000241000-memory.dmp

Filesize
132KB

Download
memory/1912-61-0x0000000000400000-0x00000000047D9000-memory.dmp

Filesize
67.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads