taurus | 9fb0bbfedfcc264a83a8968fce7e9a64df16000921602794f9a68ecb7e4f8783

Analysis

max time kernel
131s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
06-05-2024 11:04

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General

Target

1c30e5420d07219610e04bca768ced5e_JaffaCakes118.exe
Size

295KB
MD5

1c30e5420d07219610e04bca768ced5e
SHA1

4a15cc924dcbcf33f4ff4a74865128efbbf49883
SHA256

9fb0bbfedfcc264a83a8968fce7e9a64df16000921602794f9a68ecb7e4f8783
SHA512

7b42d1806a9d7b5c16f5d01eaa08074724de68bbe051152eb2650c6ad1b3eb8596579aecb50e351a6d727b90e12019a730b884a5888f3cfb426e7844a0ba0458
SSDEEP

3072:qdxNL9U7b6jLeizuRFr6FBkcw4s/EyN1OpbQPCSs8Afw6SIBIHQx0duXrSFhCemJ:6USjLeiKr6FBkpqdQk3SC0QUjbDchfV

Score

10^/10

taurus 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

Processes:

resource	yara_rule
behavioral2/memory/4236-2-0x00000000068D0000-0x0000000006905000-memory.dmp	family_taurus_stealer
behavioral2/memory/4236-3-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral2/memory/4236-5-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral2/memory/4236-4-0x0000000000400000-0x0000000004DC6000-memory.dmp	family_taurus_stealer

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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1624 4236 WerFault.exe 1c30e5420d07219610e04bca768ced5e_JaffaCakes118.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4036 timeout.exe

pid	pid_target	process	target process
1624	4236	WerFault.exe	1c30e5420d07219610e04bca768ced5e_JaffaCakes118.exe

pid	process
4036	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1c30e5420d07219610e04bca768ced5e_JaffaCakes118.execmd.exe

description	pid	process	target process
PID 4236 wrote to memory of 644	4236	1c30e5420d07219610e04bca768ced5e_JaffaCakes118.exe	cmd.exe
PID 4236 wrote to memory of 644	4236	1c30e5420d07219610e04bca768ced5e_JaffaCakes118.exe	cmd.exe
PID 4236 wrote to memory of 644	4236	1c30e5420d07219610e04bca768ced5e_JaffaCakes118.exe	cmd.exe
PID 644 wrote to memory of 4036	644	cmd.exe	timeout.exe
PID 644 wrote to memory of 4036	644	cmd.exe	timeout.exe
PID 644 wrote to memory of 4036	644	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\1c30e5420d07219610e04bca768ced5e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1c30e5420d07219610e04bca768ced5e_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4236

C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\1c30e5420d07219610e04bca768ced5e_JaffaCakes118.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\SysWOW64\timeout.exe
timeout /t 3
3⤵
- Delays execution with timeout.exe
PID:4036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4236 -s 1276
2⤵
- Program crash
PID:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4236 -ip 4236
1⤵
PID:2272

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4236-2-0x00000000068D0000-0x0000000006905000-memory.dmp

Filesize
212KB

Download
memory/4236-3-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4236-1-0x0000000004E60000-0x0000000004F60000-memory.dmp

Filesize
1024KB

Download
memory/4236-5-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4236-4-0x0000000000400000-0x0000000004DC6000-memory.dmp

Filesize
73.8MB

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