taurus | 00a4647a53a0366092f6ee9571244ca44546e8b92998e654c4168ff1cccb439b

Analysis

max time kernel
119s
max time network
121s
platform
windows10_x64
resource
win10v20210410
submitted
18-04-2021 21:35

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General

Target

211b48c0312c2395ab4f4d248016f6d4.exe
Size

357KB
MD5

211b48c0312c2395ab4f4d248016f6d4
SHA1

5380d7078eaa9a6ebbc592f2f0f9525bbae6a9e3
SHA256

00a4647a53a0366092f6ee9571244ca44546e8b92998e654c4168ff1cccb439b
SHA512

64ab86886140d92ed7c4524dc0eb3f39d2c65e75789ff555eb01675fe3895caedd8159002c1d16570775b18ef5a885173c25c3d4f24df0c049dcb4adefc28467

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 3836 created 4448 3836 WerFault.exe 211b48c0312c2395ab4f4d248016f6d4.exe
Taurus Stealer
Taurus is an infostealer first seen in June 2020.
trojan stealer taurus

description	pid	process	target process
PID 3836 created 4448	3836	WerFault.exe	211b48c0312c2395ab4f4d248016f6d4.exe

Taurus Stealer Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4448-114-0x00000000001C0000-0x00000000001F8000-memory.dmp	family_taurus_stealer
behavioral2/memory/4448-115-0x0000000000400000-0x0000000000486000-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

3836 4448 WerFault.exe 211b48c0312c2395ab4f4d248016f6d4.exe

pid	pid_target	process	target process
3836	4448	WerFault.exe	211b48c0312c2395ab4f4d248016f6d4.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

WerFault.exe

pid	process
3836	WerFault.exe
3836	WerFault.exe
3836	WerFault.exe
3836	WerFault.exe
3836	WerFault.exe
3836	WerFault.exe
3836	WerFault.exe
3836	WerFault.exe
3836	WerFault.exe
3836	WerFault.exe
3836	WerFault.exe
3836	WerFault.exe
3836	WerFault.exe
3836	WerFault.exe
3836	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3836 WerFault.exe
Token: SeBackupPrivilege 3836 WerFault.exe
Token: SeDebugPrivilege 3836 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3836	WerFault.exe
Token: SeBackupPrivilege	3836	WerFault.exe
Token: SeDebugPrivilege	3836	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\211b48c0312c2395ab4f4d248016f6d4.exe
"C:\Users\Admin\AppData\Local\Temp\211b48c0312c2395ab4f4d248016f6d4.exe"
1⤵
PID:4448
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 1128
  2⤵
  - Suspicious use of NtCreateProcessExOtherParentProcess
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3836

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/4448-114-0x00000000001C0000-0x00000000001F8000-memory.dmp

Filesize
224KB

Download
memory/4448-115-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download