taurus | 7c776d7d4daa251c4a40fb3365645eefd53d4e35fcae7cff8f69b6b68910eae8

General

Target

c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
Size

927KB
MD5

c44e6d079cd330004ea0c04433cf40b5
SHA1

6fec949d132ed7dec67d62ec29914107411ecff8
SHA256

7c776d7d4daa251c4a40fb3365645eefd53d4e35fcae7cff8f69b6b68910eae8
SHA512

ab1c26ac4040d6e60f889d92cd5996809d8061ed3b22dbe0724794f677d672f9896612b4c167a39bd20085e9e274b026f6cf7bbc2620ecb45170230ea97e2ac7
SSDEEP

12288:RcWkKnT0xjSrqLSAsBiiMpQqY4uAqPKlwUoySwLIR2akcKJZiJb:SawjSjAsuGzcwUKv24

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

Processes:

resource	yara_rule
behavioral2/memory/2836-15-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral2/memory/2836-16-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral2/memory/2836-17-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral2/memory/2836-19-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral2/memory/2836-21-0x0000000000400000-0x0000000000437000-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

Suspicious use of SetThreadContext 1 IoCs

Processes:

c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe

description	pid	process	target process
PID 884 set thread context of 2836	884	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exec44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.execmd.exetimeout.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3656 timeout.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 884 c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe

pid	process
3656	timeout.exe

description	pid	process
Token: SeDebugPrivilege	884	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exec44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.execmd.exe

C:\Users\Admin\AppData\Local\Temp\c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:884
- C:\Users\Admin\AppData\Local\Temp\c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\SysWOW64\cmd.exe
    /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4556
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 3
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:3656

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

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Downloads

memory/884-10-0x00000000053A0000-0x00000000053A8000-memory.dmp

Filesize
32KB

Download
memory/884-4-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/884-0-0x000000007505E000-0x000000007505F000-memory.dmp

Filesize
4KB

Download
memory/884-12-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/884-11-0x000000007505E000-0x000000007505F000-memory.dmp

Filesize
4KB

Download
memory/884-5-0x0000000005040000-0x00000000050DC000-memory.dmp

Filesize
624KB

Download
memory/884-6-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/884-7-0x0000000004F30000-0x0000000004F3A000-memory.dmp

Filesize
40KB

Download
memory/884-8-0x0000000005A60000-0x0000000005DB4000-memory.dmp

Filesize
3.3MB

Download
memory/884-9-0x00000000062F0000-0x000000000681C000-memory.dmp

Filesize
5.2MB

Download
memory/884-2-0x00000000054B0000-0x0000000005A54000-memory.dmp

Filesize
5.6MB

Download
memory/884-1-0x0000000000440000-0x000000000052C000-memory.dmp

Filesize
944KB

Download
memory/884-3-0x0000000004FA0000-0x0000000005032000-memory.dmp

Filesize
584KB

Download
memory/884-13-0x0000000006F30000-0x0000000006F8C000-memory.dmp

Filesize
368KB

Download
memory/884-14-0x0000000007190000-0x00000000071CE000-memory.dmp

Filesize
248KB

Download
memory/884-20-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/2836-16-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2836-17-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2836-19-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2836-15-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2836-21-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download

description	pid	process	target process
PID 884 wrote to memory of 2836	884	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
PID 884 wrote to memory of 2836	884	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
PID 884 wrote to memory of 2836	884	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
PID 884 wrote to memory of 2836	884	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
PID 884 wrote to memory of 2836	884	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
PID 884 wrote to memory of 2836	884	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
PID 884 wrote to memory of 2836	884	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
PID 884 wrote to memory of 2836	884	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
PID 884 wrote to memory of 2836	884	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
PID 2836 wrote to memory of 4556	2836	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	cmd.exe
PID 2836 wrote to memory of 4556	2836	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	cmd.exe
PID 2836 wrote to memory of 4556	2836	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	cmd.exe
PID 4556 wrote to memory of 3656	4556	cmd.exe	timeout.exe
PID 4556 wrote to memory of 3656	4556	cmd.exe	timeout.exe
PID 4556 wrote to memory of 3656	4556	cmd.exe	timeout.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads