taurus_stealer | 579303b7a0f24a0ec6510f2a1037b25eb1e18ba69b3997a788eb8f5641d7d8f4

General

Target

frank_2021-02-22_02-03.exe
Size

347KB
MD5

5ae9b47fd2a505049a7f6f405f6f512c
SHA1

fe53ef52e27877450865d074ef2f3e67e2af2ca3
SHA256

708c8e26689e83a82460bfcf611f78eaf39ee6e77e12c23ea012489deb57e72c
SHA512

677ea2876ddf6ba738e7eee769c100264b4eaf850ffbf92dba531d1b0351b43ac235c70500bacea8ddd502aefc133ffa0330e855ca3a9eeb35cac300dfca4ec5

Score

10^/10

taurus_stealer discovery spyware stealer trojan

Malware Config

Signatures

Taurus Stealer
Taurus is an infostealer first seen in June 2020.
trojan stealer taurus_stealer

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
700	cmd.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

frank_2021-02-22_02-03.exe

description	pid	Process	procid_target
PID 296 set thread context of 2028	296	frank_2021-02-22_02-03.exe	26

Delays execution with timeout.exe 1 IoCs

evasion

Processes:

timeout.exe

pid	Process
328	timeout.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

frank_2021-02-22_02-03.exefrank_2021-02-22_02-03.execmd.exe

description	pid	Process	procid_target
PID 296 wrote to memory of 2028	296	frank_2021-02-22_02-03.exe	26
PID 296 wrote to memory of 2028	296	frank_2021-02-22_02-03.exe	26
PID 296 wrote to memory of 2028	296	frank_2021-02-22_02-03.exe	26
PID 296 wrote to memory of 2028	296	frank_2021-02-22_02-03.exe	26
PID 296 wrote to memory of 2028	296	frank_2021-02-22_02-03.exe	26
PID 296 wrote to memory of 2028	296	frank_2021-02-22_02-03.exe	26
PID 296 wrote to memory of 2028	296	frank_2021-02-22_02-03.exe	26
PID 296 wrote to memory of 2028	296	frank_2021-02-22_02-03.exe	26
PID 296 wrote to memory of 2028	296	frank_2021-02-22_02-03.exe	26
PID 296 wrote to memory of 2028	296	frank_2021-02-22_02-03.exe	26
PID 2028 wrote to memory of 700	2028	frank_2021-02-22_02-03.exe	32
PID 2028 wrote to memory of 700	2028	frank_2021-02-22_02-03.exe	32
PID 2028 wrote to memory of 700	2028	frank_2021-02-22_02-03.exe	32
PID 2028 wrote to memory of 700	2028	frank_2021-02-22_02-03.exe	32
PID 700 wrote to memory of 328	700	cmd.exe	34
PID 700 wrote to memory of 328	700	cmd.exe	34
PID 700 wrote to memory of 328	700	cmd.exe	34
PID 700 wrote to memory of 328	700	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\frank_2021-02-22_02-03.exe
"C:\Users\Admin\AppData\Local\Temp\frank_2021-02-22_02-03.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:296
- C:\Users\Admin\AppData\Local\Temp\frank_2021-02-22_02-03.exe
  "C:\Users\Admin\AppData\Local\Temp\frank_2021-02-22_02-03.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2028
- - C:\Windows\SysWOW64\cmd.exe
    /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\frank_2021-02-22_02-03.exe
    3⤵
    - Deletes itself
    - Suspicious use of WriteProcessMemory
    PID:700
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 3
      4⤵
      Delays execution with timeout.exe
      PID:328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/296-2-0x0000000002190000-0x00000000021A1000-memory.dmp

Filesize
68KB

Download
memory/296-3-0x0000000002190000-0x00000000021A1000-memory.dmp

Filesize
68KB

Download
memory/296-8-0x00000000003A0000-0x00000000003D9000-memory.dmp

Filesize
228KB

Download
memory/328-11-0x0000000000000000-mapping.dmp

Download
memory/700-10-0x0000000000000000-mapping.dmp

Download
memory/1788-7-0x000007FEF6460000-0x000007FEF66DA000-memory.dmp

Filesize
2.5MB

Download
memory/2028-4-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2028-5-0x000000000041EA5D-mapping.dmp

Download
memory/2028-6-0x0000000076381000-0x0000000076383000-memory.dmp

Filesize
8KB

Download
memory/2028-9-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads