taurus | d26a98d84423d1b79e2f01fe69e09c3fe65841ceb59c1c36b12b84aaafcb77e9

Analysis

max time kernel
10s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
18-04-2021 23:01

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General

Target

6b37d35716224640ab1970852d0dc7d7.exe
Size

357KB
MD5

6b37d35716224640ab1970852d0dc7d7
SHA1

8835646873e64ff3a6b3e4177b7ed75d8f840762
SHA256

d26a98d84423d1b79e2f01fe69e09c3fe65841ceb59c1c36b12b84aaafcb77e9
SHA512

afbdb041f9bfadd80050a2fc92cff7c99639b22acb290d97f0bf37d018123d26edf1cb2976bda72785f36da8024772318685ba8ecf95340fddc67ed6a48b0453

Score

10^/10

taurus discovery spyware stealer trojan

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 2720 created 4060 2720 WerFault.exe 6b37d35716224640ab1970852d0dc7d7.exe
Taurus Stealer
Taurus is an infostealer first seen in June 2020.
trojan stealer taurus

description	pid	process	target process
PID 2720 created 4060	2720	WerFault.exe	6b37d35716224640ab1970852d0dc7d7.exe

Taurus Stealer Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4060-115-0x0000000000400000-0x0000000000486000-memory.dmp	family_taurus_stealer
behavioral2/memory/4060-114-0x00000000001C0000-0x00000000001F8000-memory.dmp	family_taurus_stealer

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
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

2720 4060 WerFault.exe 6b37d35716224640ab1970852d0dc7d7.exe

pid	pid_target	process	target process
2720	4060	WerFault.exe	6b37d35716224640ab1970852d0dc7d7.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

WerFault.exe

pid	process
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe
2720	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2720 WerFault.exe
Token: SeBackupPrivilege 2720 WerFault.exe
Token: SeDebugPrivilege 2720 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2720	WerFault.exe
Token: SeBackupPrivilege	2720	WerFault.exe
Token: SeDebugPrivilege	2720	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\6b37d35716224640ab1970852d0dc7d7.exe
"C:\Users\Admin\AppData\Local\Temp\6b37d35716224640ab1970852d0dc7d7.exe"
1⤵
PID:4060
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 1104
  2⤵
  - Suspicious use of NtCreateProcessExOtherParentProcess
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2720

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4060-115-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/4060-114-0x00000000001C0000-0x00000000001F8000-memory.dmp

Filesize
224KB

Download