taurus | 84f6fd5103bfa97b8479af5a6db82100149167690502bb0231e6832fc463af13

General

Target

6ece85df70b719e572aa076519be6d92_JaffaCakes118.exe
Size

271KB
MD5

6ece85df70b719e572aa076519be6d92
SHA1

d89a7bd8b0d43f2c6046e1754d3bcab4ac821b4f
SHA256

84f6fd5103bfa97b8479af5a6db82100149167690502bb0231e6832fc463af13
SHA512

1a1ad7acddae67ab79c2b3f66b8cbe95b9da11b1e32909d36ec5d052e1a60d7d1da69cd8951b2652954c9f783e803209ebc0670e9aaea4e1aab7e1a5a98f4bee
SSDEEP

3072:YMwFHbXSNziyqoIx+atQHatf7v32oyx8H/wAgmGPVFnelfw40QadDc5D0bn2XwbR:vUSziF37tNba+dgxV9ep70bdDcllBY

Score

10^/10

taurus credential_access discovery spyware stealer trojan

Malware Config

Signatures

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

Taurus Stealer payload 5 IoCs

resource	yara_rule
behavioral2/memory/2364-3-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral2/memory/2364-2-0x0000000007D50000-0x0000000007D85000-memory.dmp	family_taurus_stealer
behavioral2/memory/2364-10-0x0000000000400000-0x0000000005FE6000-memory.dmp	family_taurus_stealer
behavioral2/memory/2364-12-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral2/memory/2364-11-0x0000000000400000-0x0000000005FE6000-memory.dmp	family_taurus_stealer

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4816	2364	WerFault.exe	80

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ece85df70b719e572aa076519be6d92_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2216	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 4584	2364	6ece85df70b719e572aa076519be6d92_JaffaCakes118.exe	84
PID 2364 wrote to memory of 4584	2364	6ece85df70b719e572aa076519be6d92_JaffaCakes118.exe	84
PID 2364 wrote to memory of 4584	2364	6ece85df70b719e572aa076519be6d92_JaffaCakes118.exe	84
PID 4584 wrote to memory of 2216	4584	cmd.exe	87
PID 4584 wrote to memory of 2216	4584	cmd.exe	87
PID 4584 wrote to memory of 2216	4584	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\6ece85df70b719e572aa076519be6d92_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6ece85df70b719e572aa076519be6d92_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\6ece85df70b719e572aa076519be6d92_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4584
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 1808
  2⤵
  - Program crash
  PID:4816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2364 -ip 2364
1⤵
PID:3600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

3

T1552

Credentials In Files

2

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Browser Information Discovery

Query Registry

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2364-1-0x00000000060F0000-0x00000000061F0000-memory.dmp

Filesize
1024KB

Download
memory/2364-3-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2364-2-0x0000000007D50000-0x0000000007D85000-memory.dmp

Filesize
212KB

Download
memory/2364-10-0x0000000000400000-0x0000000005FE6000-memory.dmp

Filesize
91.9MB

Download
memory/2364-12-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2364-11-0x0000000000400000-0x0000000005FE6000-memory.dmp

Filesize
91.9MB

Download

Analysis

Sharing