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 8 IoCs

resource	yara_rule
behavioral1/memory/2936-18-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2936-21-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2936-20-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2936-15-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2936-13-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2936-14-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2936-23-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2936-24-0x0000000000400000-0x0000000000437000-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

Deletes itself 1 IoCs

pid	Process
2668	cmd.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
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

description	pid	Process	procid_target
PID 2540 set thread context of 2936	2540	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	30

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

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

pid	Process
1464	timeout.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2936	2540	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	30
PID 2540 wrote to memory of 2936	2540	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	30
PID 2540 wrote to memory of 2936	2540	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	30
PID 2540 wrote to memory of 2936	2540	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	30
PID 2540 wrote to memory of 2936	2540	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	30
PID 2540 wrote to memory of 2936	2540	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	30
PID 2540 wrote to memory of 2936	2540	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	30
PID 2540 wrote to memory of 2936	2540	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	30
PID 2540 wrote to memory of 2936	2540	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	30
PID 2540 wrote to memory of 2936	2540	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	30
PID 2936 wrote to memory of 2668	2936	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	35
PID 2936 wrote to memory of 2668	2936	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	35
PID 2936 wrote to memory of 2668	2936	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	35
PID 2936 wrote to memory of 2668	2936	c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe	35
PID 2668 wrote to memory of 1464	2668	cmd.exe	37
PID 2668 wrote to memory of 1464	2668	cmd.exe	37
PID 2668 wrote to memory of 1464	2668	cmd.exe	37
PID 2668 wrote to memory of 1464	2668	cmd.exe	37

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:2540
- 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:2936
- - C:\Windows\SysWOW64\cmd.exe
    /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\c44e6d079cd330004ea0c04433cf40b5_JaffaCakes118.exe
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2668
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 3
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:1464

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/2540-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/2540-1-0x0000000000B30000-0x0000000000C1C000-memory.dmp

Filesize
944KB

Download
memory/2540-2-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/2540-3-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/2540-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2540-5-0x00000000743DE000-0x00000000743DF000-memory.dmp

Filesize
4KB

Download
memory/2540-6-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/2540-7-0x0000000005250000-0x00000000052AC000-memory.dmp

Filesize
368KB

Download
memory/2540-8-0x0000000000900000-0x000000000093E000-memory.dmp

Filesize
248KB

Download
memory/2540-22-0x00000000743D0000-0x0000000074ABE000-memory.dmp

Filesize
6.9MB

Download
memory/2936-18-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2936-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2936-21-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2936-20-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2936-15-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2936-13-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2936-11-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2936-14-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2936-10-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2936-23-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2936-24-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download

Analysis

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