taurus | 77d58783013a7d18f57937c53e5ac21840df059a8119b47c5c68dbc3a4809013

Analysis

max time kernel
14s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
18-04-2021 22:10

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General

Target

60580df56a0acf9033a460559bd5330b.exe
Size

357KB
MD5

60580df56a0acf9033a460559bd5330b
SHA1

5414b1e9da7a8009afaf982b94c5c044a508646d
SHA256

77d58783013a7d18f57937c53e5ac21840df059a8119b47c5c68dbc3a4809013
SHA512

11441237d7536ed0ceaa4ff4457410973261b12d2bcdee70228918b01d97c960f2507a6dcf3e17ae3ab31a0cd3aa421925063818d7a3195ecf9859863ff25600

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 1104 created 2208 1104 WerFault.exe 60580df56a0acf9033a460559bd5330b.exe
Taurus Stealer
Taurus is an infostealer first seen in June 2020.
trojan stealer taurus

description	pid	process	target process
PID 1104 created 2208	1104	WerFault.exe	60580df56a0acf9033a460559bd5330b.exe

Taurus Stealer Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2208-114-0x00000000001C0000-0x00000000001F8000-memory.dmp	family_taurus_stealer
behavioral2/memory/2208-115-0x0000000000400000-0x0000000000486000-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

1104 2208 WerFault.exe 60580df56a0acf9033a460559bd5330b.exe

pid	pid_target	process	target process
1104	2208	WerFault.exe	60580df56a0acf9033a460559bd5330b.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

WerFault.exe

pid	process
1104	WerFault.exe
1104	WerFault.exe
1104	WerFault.exe
1104	WerFault.exe
1104	WerFault.exe
1104	WerFault.exe
1104	WerFault.exe
1104	WerFault.exe
1104	WerFault.exe
1104	WerFault.exe
1104	WerFault.exe
1104	WerFault.exe
1104	WerFault.exe
1104	WerFault.exe
1104	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1104 WerFault.exe
Token: SeBackupPrivilege 1104 WerFault.exe
Token: SeDebugPrivilege 1104 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1104	WerFault.exe
Token: SeBackupPrivilege	1104	WerFault.exe
Token: SeDebugPrivilege	1104	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\60580df56a0acf9033a460559bd5330b.exe
"C:\Users\Admin\AppData\Local\Temp\60580df56a0acf9033a460559bd5330b.exe"
1⤵
PID:2208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 1076
2⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1104

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2208-114-0x00000000001C0000-0x00000000001F8000-memory.dmp

Filesize
224KB

Download
memory/2208-115-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download