taurus | d9f20308b4f19062b4b73567b68cb04986abced7d4b8243015011d8ceee7d6e8

General

Target
d9f20308b4f19062b4b73567b68cb04986abced7d4b8243015011d8ceee7d6e8.exe
Size 323KB
Sample220418-md7q6seff5
SHA256 d9f20308b4f19062b4b73567b68cb04986abced7d4b8243015011d8ceee7d6e8
MD5 f82176b48181def83690201573f9d5fc
SHA1 5370cbe56b5d37981ef76b91d2f67937bd5bc47d
SHA512 de603dbfee7542de5f29a5eb986a511268bfe3a2951bacb8f335967dcfbc679566b0a0181a33709173372ac050c5dc448b8fb884f0b489bc7be62b6819b34385
MD5 SHA1 SHA512

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

resource	yara_rule
behavioral2/memory/1284-131-0x0000000002960000-0x0000000002996000-memory.dmp	family_taurus_stealer
behavioral2/memory/1284-132-0x0000000000400000-0x0000000000C2A000-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 10 IoCs

pid	pid_target	Process	procid_target
1928	1284	WerFault.exe	80
1280	1284	WerFault.exe	80
396	1284	WerFault.exe	80
2692	1284	WerFault.exe	80
1756	1284	WerFault.exe	80
560	1284	WerFault.exe	80
220	1284	WerFault.exe	80
4924	1284	WerFault.exe	80
4120	1284	WerFault.exe	80
2124	1284	WerFault.exe	80

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3232	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 4144	1284	d9f20308b4f19062b4b73567b68cb04986abced7d4b8243015011d8ceee7d6e8.exe	100
PID 1284 wrote to memory of 4144	1284	d9f20308b4f19062b4b73567b68cb04986abced7d4b8243015011d8ceee7d6e8.exe	100
PID 1284 wrote to memory of 4144	1284	d9f20308b4f19062b4b73567b68cb04986abced7d4b8243015011d8ceee7d6e8.exe	100
PID 4144 wrote to memory of 3232	4144	cmd.exe	104
PID 4144 wrote to memory of 3232	4144	cmd.exe	104
PID 4144 wrote to memory of 3232	4144	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\d9f20308b4f19062b4b73567b68cb04986abced7d4b8243015011d8ceee7d6e8.exe
"C:\Users\Admin\AppData\Local\Temp\d9f20308b4f19062b4b73567b68cb04986abced7d4b8243015011d8ceee7d6e8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 688
  2⤵
  - Program crash
  PID:1928
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 728
  2⤵
  - Program crash
  PID:1280
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 728
  2⤵
  - Program crash
  PID:396
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 776
  2⤵
  - Program crash
  PID:2692
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 716
  2⤵
  - Program crash
  PID:1756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 728
  2⤵
  - Program crash
  PID:560
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 980
  2⤵
  - Program crash
  PID:220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 1208
  2⤵
  - Program crash
  PID:4924
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 1248
  2⤵
  - Program crash
  PID:4120
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\d9f20308b4f19062b4b73567b68cb04986abced7d4b8243015011d8ceee7d6e8.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4144
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:3232
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 1248
  2⤵
  - Program crash
  PID:2124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 1284 -ip 1284
1⤵
PID:4316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1284 -ip 1284
1⤵
PID:1296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1284 -ip 1284
1⤵
PID:3400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1284 -ip 1284
1⤵
PID:1992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1284 -ip 1284
1⤵
PID:3548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1284 -ip 1284
1⤵
PID:2408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 1284 -ip 1284
1⤵
PID:32

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1284 -ip 1284
1⤵
PID:2224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 1284 -ip 1284
1⤵
PID:812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1284 -ip 1284
1⤵
PID:3616

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/1284-130-0x0000000000CD8000-0x0000000000CFA000-memory.dmp

Download

memory/1284-131-0x0000000002960000-0x0000000002996000-memory.dmp

Download

memory/1284-132-0x0000000000400000-0x0000000000C2A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads