taurus | 06ad6118b7be37ff6f2ec22381098bbb11ec2eddfb7c6e0f8c24449a3b1b98fc

General

Target

c28072106a3941932130c8db2a135555_JaffaCakes118.exe
Size

1.4MB
MD5

c28072106a3941932130c8db2a135555
SHA1

cc2aaeafa62ea06e5b07808f15a5263e04906e53
SHA256

06ad6118b7be37ff6f2ec22381098bbb11ec2eddfb7c6e0f8c24449a3b1b98fc
SHA512

0c3083f190c8a0d82340f6a3d0f64f76eb938e93d3070cf7ccd75aa501b58040b5b26ba57e1e5a5bd5d69bff07558733f68dfc00c50473842bdda9f9f7281b56
SSDEEP

12288:6Zzp1NI5x7k3+rcAT8U6x+3JYU82+/IvIh/QnviN9VzdvYhvb:6Zzp1YdkoUU82+Qwh/Qn89Vx

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/1304-4-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral2/memory/1304-6-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral2/memory/1304-5-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral2/memory/1304-8-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral2/memory/1304-10-0x0000000000400000-0x0000000000437000-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
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2164 set thread context of 1304	2164	c28072106a3941932130c8db2a135555_JaffaCakes118.exe	87

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	c28072106a3941932130c8db2a135555_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.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
2124	timeout.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2164	c28072106a3941932130c8db2a135555_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 1304	2164	c28072106a3941932130c8db2a135555_JaffaCakes118.exe	87
PID 2164 wrote to memory of 1304	2164	c28072106a3941932130c8db2a135555_JaffaCakes118.exe	87
PID 2164 wrote to memory of 1304	2164	c28072106a3941932130c8db2a135555_JaffaCakes118.exe	87
PID 2164 wrote to memory of 1304	2164	c28072106a3941932130c8db2a135555_JaffaCakes118.exe	87
PID 2164 wrote to memory of 1304	2164	c28072106a3941932130c8db2a135555_JaffaCakes118.exe	87
PID 2164 wrote to memory of 1304	2164	c28072106a3941932130c8db2a135555_JaffaCakes118.exe	87
PID 2164 wrote to memory of 1304	2164	c28072106a3941932130c8db2a135555_JaffaCakes118.exe	87
PID 2164 wrote to memory of 1304	2164	c28072106a3941932130c8db2a135555_JaffaCakes118.exe	87
PID 2164 wrote to memory of 1304	2164	c28072106a3941932130c8db2a135555_JaffaCakes118.exe	87
PID 1304 wrote to memory of 4364	1304	AddInProcess32.exe	88
PID 1304 wrote to memory of 4364	1304	AddInProcess32.exe	88
PID 1304 wrote to memory of 4364	1304	AddInProcess32.exe	88
PID 4364 wrote to memory of 2124	4364	cmd.exe	90
PID 4364 wrote to memory of 2124	4364	cmd.exe	90
PID 4364 wrote to memory of 2124	4364	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\c28072106a3941932130c8db2a135555_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c28072106a3941932130c8db2a135555_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1304
- - C:\Windows\SysWOW64\cmd.exe
    /c timeout /t 3 & del /f /q C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4364
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 3
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2124

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

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1304-4-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1304-6-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1304-5-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1304-8-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1304-10-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2164-0-0x000000007528E000-0x000000007528F000-memory.dmp

Filesize
4KB

Download
memory/2164-1-0x0000000000F70000-0x00000000010E4000-memory.dmp

Filesize
1.5MB

Download
memory/2164-2-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/2164-3-0x0000000005A10000-0x0000000005A2C000-memory.dmp

Filesize
112KB

Download
memory/2164-9-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing