taurus | 8523a03188911d6b07fd467ae4a6df79a139c746345031941a8b4a6da369275f

General

Target

971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe
Size

720KB
MD5

971c48d6dc3f593485bf2577266d2da7
SHA1

a9d1b83dd950414be286ec41365ac9b6bfe1bcbf
SHA256

8523a03188911d6b07fd467ae4a6df79a139c746345031941a8b4a6da369275f
SHA512

89229a9e4fb51ef1e7aba83703bd08677a59c416136cb6d5c5df0804e4481c48d655bbc394295eb1858a2de0994e63b3daf67ed9678bc948be4aa6b159606819
SSDEEP

12288:/A/0RfgflKmr0vUL38evxpPhbxaC4DmYiG3L:Ixf0GLPfEiGb

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/3352-12-0x0000000000400000-0x0000000000431000-memory.dmp	family_taurus_stealer
behavioral2/memory/3352-14-0x0000000000400000-0x0000000000431000-memory.dmp	family_taurus_stealer
behavioral2/memory/3352-13-0x0000000000400000-0x0000000000431000-memory.dmp	family_taurus_stealer
behavioral2/memory/3352-16-0x0000000000400000-0x0000000000431000-memory.dmp	family_taurus_stealer
behavioral2/memory/3352-20-0x0000000000400000-0x0000000000431000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3788 set thread context of 3352	3788	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe	98

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1368	3352	WerFault.exe	98
1048	3352	WerFault.exe	98

System Location Discovery: System Language Discovery 1 TTPs 2 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	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3788	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe
3788	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe
3788	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3788	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3788 wrote to memory of 3352	3788	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe	98
PID 3788 wrote to memory of 3352	3788	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe	98
PID 3788 wrote to memory of 3352	3788	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe	98
PID 3788 wrote to memory of 3352	3788	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe	98
PID 3788 wrote to memory of 3352	3788	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe	98
PID 3788 wrote to memory of 3352	3788	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe	98
PID 3788 wrote to memory of 3352	3788	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe	98
PID 3788 wrote to memory of 3352	3788	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe	98
PID 3788 wrote to memory of 3352	3788	971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3788
- C:\Users\Admin\AppData\Local\Temp\971c48d6dc3f593485bf2577266d2da7_JaffaCakes118.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3352 -s 1852
    3⤵
    - Program crash
    PID:1368
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3352 -s 1804
    3⤵
    - Program crash
    PID:1048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3352 -ip 3352
1⤵
PID:2272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3352 -ip 3352
1⤵
PID:4532

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

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3352-12-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3352-20-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3352-16-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3352-13-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3352-14-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3788-4-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/3788-6-0x00000000066F0000-0x000000000678C000-memory.dmp

Filesize
624KB

Download
memory/3788-7-0x00000000053D0000-0x00000000053DA000-memory.dmp

Filesize
40KB

Download
memory/3788-8-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

Filesize
4KB

Download
memory/3788-9-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/3788-10-0x0000000007EA0000-0x0000000007F04000-memory.dmp

Filesize
400KB

Download
memory/3788-11-0x000000000A5B0000-0x000000000A5EE000-memory.dmp

Filesize
248KB

Download
memory/3788-5-0x0000000005190000-0x000000000519A000-memory.dmp

Filesize
40KB

Download
memory/3788-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

Filesize
4KB

Download
memory/3788-3-0x0000000004FD0000-0x0000000005062000-memory.dmp

Filesize
584KB

Download
memory/3788-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

Filesize
5.6MB

Download
memory/3788-17-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/3788-1-0x0000000000580000-0x000000000063A000-memory.dmp

Filesize
744KB

Download

Analysis

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