taurus | a8aa93e10eebd3253affaeb1527b5436cbf81b755ce3686061e67c848a17ab87

Analysis

max time kernel
90s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
15/04/2022, 15:13

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General

Target
a8aa93e10eebd3253affaeb1527b5436cbf81b755ce3686061e67c848a17ab87.exe
Size 423KB
Sample220415-sly2wsfcbp
SHA256 a8aa93e10eebd3253affaeb1527b5436cbf81b755ce3686061e67c848a17ab87
MD5 60a5023605b7911c5ce1e9226cb0eeaf
SHA1 f4252e06a2bed05751f5f2000b7d165d65d438eb
SHA512 5cc0ab8fc554bc533efc49f4a5fbdd3beb1c3cf719a5de9b5bfce21664f7184ef480135d22cc32f75bb40a0aecf8d1d810dc9aa87ac36a82d530c4cbc65d53c4
MD5 SHA1 SHA512

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 2 IoCs

resource	yara_rule
behavioral2/memory/3536-131-0x00000000005D0000-0x0000000000606000-memory.dmp	family_taurus_stealer
behavioral2/memory/3536-132-0x0000000000400000-0x00000000004FA000-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

pid	pid_target	Process	procid_target
3560	3536	WerFault.exe	77

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3040	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3536 wrote to memory of 2596	3536	a8aa93e10eebd3253affaeb1527b5436cbf81b755ce3686061e67c848a17ab87.exe	78
PID 3536 wrote to memory of 2596	3536	a8aa93e10eebd3253affaeb1527b5436cbf81b755ce3686061e67c848a17ab87.exe	78
PID 3536 wrote to memory of 2596	3536	a8aa93e10eebd3253affaeb1527b5436cbf81b755ce3686061e67c848a17ab87.exe	78
PID 2596 wrote to memory of 3040	2596	cmd.exe	81
PID 2596 wrote to memory of 3040	2596	cmd.exe	81
PID 2596 wrote to memory of 3040	2596	cmd.exe	81

C:\Users\Admin\AppData\Local\Temp\a8aa93e10eebd3253affaeb1527b5436cbf81b755ce3686061e67c848a17ab87.exe
"C:\Users\Admin\AppData\Local\Temp\a8aa93e10eebd3253affaeb1527b5436cbf81b755ce3686061e67c848a17ab87.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3536
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\a8aa93e10eebd3253affaeb1527b5436cbf81b755ce3686061e67c848a17ab87.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:3040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 1276
  2⤵
  - Program crash
  PID:3560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3536 -ip 3536
1⤵
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

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Downloads

memory/3536-130-0x00000000001E0000-0x0000000000200000-memory.dmp

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memory/3536-131-0x00000000005D0000-0x0000000000606000-memory.dmp

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memory/3536-132-0x0000000000400000-0x00000000004FA000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads