taurus | 7696dc4cf76ec19ea14c00e31269a2caabc64c49e3c33e98ab14bb09783bc74e

General

Target

be689e507b251c23e0a5cb1b222f9f1f_JaffaCakes118.exe
Size

393KB
MD5

be689e507b251c23e0a5cb1b222f9f1f
SHA1

3c5725ccf1618c3e7fbd7eca4984f4ad2d7b4769
SHA256

7696dc4cf76ec19ea14c00e31269a2caabc64c49e3c33e98ab14bb09783bc74e
SHA512

d8f158152090c5b278abe8f85e151fdbcfe6ddd9d309df0d934b699e5693e32c1881fded7d784001cf416fab00d4d7565a0fb2db9bfc6679d698f0afcd1e1e89
SSDEEP

6144:KEFECJBkRcjlfzOVdo9kRj9+XZRq5xjg2lpyqkbxiTjV4H/L:3UYF2dAkRx+Xjq5xQFiV4fL

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 3 IoCs

resource	yara_rule
behavioral2/memory/4316-7-0x0000000000400000-0x0000000000465000-memory.dmp	family_taurus_stealer
behavioral2/memory/4316-11-0x0000000000400000-0x0000000000465000-memory.dmp	family_taurus_stealer
behavioral2/memory/4316-9-0x0000000000400000-0x0000000000466000-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	be689e507b251c23e0a5cb1b222f9f1f_JaffaCakes118.exe

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
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	be689e507b251c23e0a5cb1b222f9f1f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4472	cmd.exe
4092	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4092	PING.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 4472	4316	be689e507b251c23e0a5cb1b222f9f1f_JaffaCakes118.exe	98
PID 4316 wrote to memory of 4472	4316	be689e507b251c23e0a5cb1b222f9f1f_JaffaCakes118.exe	98
PID 4316 wrote to memory of 4472	4316	be689e507b251c23e0a5cb1b222f9f1f_JaffaCakes118.exe	98
PID 4472 wrote to memory of 4092	4472	cmd.exe	100
PID 4472 wrote to memory of 4092	4472	cmd.exe	100
PID 4472 wrote to memory of 4092	4472	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\be689e507b251c23e0a5cb1b222f9f1f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\be689e507b251c23e0a5cb1b222f9f1f_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c ping google.com && erase C:\Users\Admin\AppData\Local\Temp\be689e507b251c23e0a5cb1b222f9f1f_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4472
- - C:\Windows\SysWOW64\PING.EXE
    ping google.com
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4092

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

2

T1552

Credentials In Files

1

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Browser Information Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4316-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4316-1-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4316-2-0x00000000007A0000-0x0000000000805000-memory.dmp

Filesize
404KB

Download
memory/4316-3-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4316-4-0x00000000007A0000-0x0000000000805000-memory.dmp

Filesize
404KB

Download
memory/4316-7-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4316-11-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4316-10-0x00000000007A0000-0x0000000000805000-memory.dmp

Filesize
404KB

Download
memory/4316-9-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download

Analysis

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