taurus | 52d0fdb41312a46d599e5d9bd68659e657003ca80967e18e7a11e2757af52bb3

General

Target

e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe
Size

1.0MB
MD5

e0a2cb336eb4ac91b1a7063197141dad
SHA1

f342999fef91b90c1e12cf036b86e1a6ed0c04fe
SHA256

52d0fdb41312a46d599e5d9bd68659e657003ca80967e18e7a11e2757af52bb3
SHA512

0f81bf6b4abf2f6f074273ee23cb7aecce158615a85ee9e56ca12296b1052251e464af30a5f8c332d66d4860d135e90daca6b0a2edbba0ac5a55e0a1e4796093
SSDEEP

12288:3Gw80d8HVJJVfqWq/iXt5XeK9POudm5+R6rIhqkIHq0dp4ZDTsnDqaSftffBWkro:3Gw80d8LXqu5XeqPOEjLdTIuthA

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 4 IoCs

resource	yara_rule
behavioral1/memory/2980-6-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2980-8-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2980-9-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2980-11-0x0000000000400000-0x0000000000437000-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 2380 set thread context of 2980	2380	e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe	31

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	e0a2cb336eb4ac91b1a7063197141dad_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
2640	timeout.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2980	2380	e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe	31
PID 2380 wrote to memory of 2980	2380	e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe	31
PID 2380 wrote to memory of 2980	2380	e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe	31
PID 2380 wrote to memory of 2980	2380	e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe	31
PID 2380 wrote to memory of 2980	2380	e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe	31
PID 2380 wrote to memory of 2980	2380	e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe	31
PID 2380 wrote to memory of 2980	2380	e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe	31
PID 2380 wrote to memory of 2980	2380	e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe	31
PID 2380 wrote to memory of 2980	2380	e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe	31
PID 2380 wrote to memory of 2980	2380	e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2652	2980	AddInProcess32.exe	33
PID 2980 wrote to memory of 2652	2980	AddInProcess32.exe	33
PID 2980 wrote to memory of 2652	2980	AddInProcess32.exe	33
PID 2980 wrote to memory of 2652	2980	AddInProcess32.exe	33
PID 2652 wrote to memory of 2640	2652	cmd.exe	35
PID 2652 wrote to memory of 2640	2652	cmd.exe	35
PID 2652 wrote to memory of 2640	2652	cmd.exe	35
PID 2652 wrote to memory of 2640	2652	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e0a2cb336eb4ac91b1a7063197141dad_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380
- 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:2980
- - 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:2652
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 3
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2640

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

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Downloads

memory/2380-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/2380-1-0x0000000000940000-0x0000000000A4C000-memory.dmp

Filesize
1.0MB

Download
memory/2380-2-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-3-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/2380-4-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-5-0x00000000005B0000-0x00000000005CA000-memory.dmp

Filesize
104KB

Download
memory/2380-10-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-6-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2980-8-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2980-9-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2980-11-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download

Analysis

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