taurus | d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1

General

Target

d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe
Size

300KB
MD5

5b2a632e53f1a8dc2c9211232b9d38fa
SHA1

35aad39a9b23286492f29e73ff3c52ef2e16ac23
SHA256

d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1
SHA512

62129b43724e0f19413bf5b1f9a6503e1d1a055c6270f9e00428c09c0127f6582268e061e659643523124cc247c96b6cc51c52b2c86f80f3b0c4643d3a998ff8

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
behavioral2/memory/3768-131-0x0000000004DB0000-0x0000000004DE6000-memory.dmp	family_taurus_stealer
behavioral2/memory/3768-132-0x0000000000400000-0x00000000047D4000-memory.dmp	family_taurus_stealer
behavioral2/memory/3768-136-0x0000000000400000-0x00000000047D4000-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
behavioral2/memory/3768-130-0x0000000000400000-0x00000000047D4000-memory.dmp	upx

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

608 3768 WerFault.exe d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4584 timeout.exe

pid	pid_target	process	target process
608	3768	WerFault.exe	d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe

pid	process
4584	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.execmd.exe

description	pid	process	target process
PID 3768 wrote to memory of 4364	3768	d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe	cmd.exe
PID 3768 wrote to memory of 4364	3768	d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe	cmd.exe
PID 3768 wrote to memory of 4364	3768	d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe	cmd.exe
PID 4364 wrote to memory of 4584	4364	cmd.exe	timeout.exe
PID 4364 wrote to memory of 4584	4364	cmd.exe	timeout.exe
PID 4364 wrote to memory of 4584	4364	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe
"C:\Users\Admin\AppData\Local\Temp\d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3768

C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\d54021cfbb9b4555a56c44b67840144135b7f48db309b9d742ccf2ab905a9ea1.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4364

C:\Windows\SysWOW64\timeout.exe
timeout /t 3
3⤵
- Delays execution with timeout.exe
PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3768 -s 1328
2⤵
- Program crash
PID:608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3768 -ip 3768
1⤵
PID:4560

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

Loading Replay Monitor...

Downloads

memory/3768-130-0x0000000000400000-0x00000000047D4000-memory.dmp

Filesize
67.8MB

Download
memory/3768-131-0x0000000004DB0000-0x0000000004DE6000-memory.dmp

Filesize
216KB

Download
memory/3768-132-0x0000000000400000-0x00000000047D4000-memory.dmp

Filesize
67.8MB

Download
memory/3768-133-0x0000000004D80000-0x0000000004DA1000-memory.dmp

Filesize
132KB

Download
memory/3768-136-0x0000000000400000-0x00000000047D4000-memory.dmp

Filesize
67.8MB

Download
memory/4364-134-0x0000000000000000-mapping.dmp

Download
memory/4584-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads