taurus | bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673

General

Target

bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe
Size

324KB
MD5

8518c709d0e64df3e63585cfcd33babf
SHA1

dc16e4941ce319e715ccc2f2d24289288f8f1596
SHA256

bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673
SHA512

26d8ce100a421a1b644db72025a7b974d2e22d775200e213a4ed28892e2c968d704f07df343316850c5d358720b25583733b2c72e8b2bef5e84c303944bbe34a

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 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1236-54-0x0000000000160000-0x0000000000197000-memory.dmp	family_taurus_stealer

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

280 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

1856 timeout.exe

pid	process
280	cmd.exe

pid	process
1856	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.execmd.exe

description	pid	process	target process
PID 1236 wrote to memory of 280	1236	bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe	cmd.exe
PID 1236 wrote to memory of 280	1236	bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe	cmd.exe
PID 1236 wrote to memory of 280	1236	bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe	cmd.exe
PID 1236 wrote to memory of 280	1236	bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe	cmd.exe
PID 280 wrote to memory of 1856	280	cmd.exe	timeout.exe
PID 280 wrote to memory of 1856	280	cmd.exe	timeout.exe
PID 280 wrote to memory of 1856	280	cmd.exe	timeout.exe
PID 280 wrote to memory of 1856	280	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe
"C:\Users\Admin\AppData\Local\Temp\bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1236

C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\bcc1140c693034f8d9683d4cb0943b72566985b89c4f080c4f953317a9f79673.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:280

C:\Windows\SysWOW64\timeout.exe
timeout /t 3
3⤵
- Delays execution with timeout.exe
PID:1856

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

Replay Monitor

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Downloads

memory/280-60-0x0000000000000000-mapping.dmp

Download
memory/1236-54-0x0000000000160000-0x0000000000197000-memory.dmp

Filesize
220KB

Download
memory/1236-59-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1856-61-0x0000000000000000-mapping.dmp

Download

Analysis

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