taurus | f20ff51110a2afc08e58fbfbb856043bc4a1510a95b46ccbf3770f7f8344214a

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
11-03-2024 21:50

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General

Target

c1b0a127dd1f69399a03c8653776df9c.exe
Size

235KB
MD5

c1b0a127dd1f69399a03c8653776df9c
SHA1

c66ab86b8bff31d74f077ec989887ba0aa186763
SHA256

f20ff51110a2afc08e58fbfbb856043bc4a1510a95b46ccbf3770f7f8344214a
SHA512

42583ed265820fd6c272e4513972314c4db0c401d939d932528320cfc78ceabccfb17b314a77657dcadf53843ce5316aa7f6a88f1700a0797b2caf45c1d4e93b
SSDEEP

6144:QRSe86YHbe3UuWmX8DVNC8zzt6+KXDJ1DKmB87vN2U5TUjr:UfuuNsDfxatTB870Njr

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 5 IoCs

resource	yara_rule
behavioral1/memory/2572-5-0x0000000000400000-0x000000000043A000-memory.dmp	family_taurus_stealer
behavioral1/memory/2572-7-0x0000000000400000-0x000000000043A000-memory.dmp	family_taurus_stealer
behavioral1/memory/2572-9-0x0000000000400000-0x000000000043A000-memory.dmp	family_taurus_stealer
behavioral1/memory/2572-10-0x0000000000400000-0x000000000043A000-memory.dmp	family_taurus_stealer
behavioral1/memory/2572-11-0x0000000000400000-0x000000000043A000-memory.dmp	family_taurus_stealer

Deletes itself 1 IoCs

pid	Process
1848	cmd.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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

description	pid	Process	procid_target
PID 1724 set thread context of 2572	1724	c1b0a127dd1f69399a03c8653776df9c.exe	31

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2092	timeout.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	c1b0a127dd1f69399a03c8653776df9c.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2504	1724	c1b0a127dd1f69399a03c8653776df9c.exe	28
PID 1724 wrote to memory of 2504	1724	c1b0a127dd1f69399a03c8653776df9c.exe	28
PID 1724 wrote to memory of 2504	1724	c1b0a127dd1f69399a03c8653776df9c.exe	28
PID 1724 wrote to memory of 2504	1724	c1b0a127dd1f69399a03c8653776df9c.exe	28
PID 1724 wrote to memory of 2504	1724	c1b0a127dd1f69399a03c8653776df9c.exe	28
PID 1724 wrote to memory of 2504	1724	c1b0a127dd1f69399a03c8653776df9c.exe	28
PID 1724 wrote to memory of 2504	1724	c1b0a127dd1f69399a03c8653776df9c.exe	28
PID 1724 wrote to memory of 2556	1724	c1b0a127dd1f69399a03c8653776df9c.exe	29
PID 1724 wrote to memory of 2556	1724	c1b0a127dd1f69399a03c8653776df9c.exe	29
PID 1724 wrote to memory of 2556	1724	c1b0a127dd1f69399a03c8653776df9c.exe	29
PID 1724 wrote to memory of 2556	1724	c1b0a127dd1f69399a03c8653776df9c.exe	29
PID 1724 wrote to memory of 2556	1724	c1b0a127dd1f69399a03c8653776df9c.exe	29
PID 1724 wrote to memory of 2556	1724	c1b0a127dd1f69399a03c8653776df9c.exe	29
PID 1724 wrote to memory of 2556	1724	c1b0a127dd1f69399a03c8653776df9c.exe	29
PID 1724 wrote to memory of 2560	1724	c1b0a127dd1f69399a03c8653776df9c.exe	30
PID 1724 wrote to memory of 2560	1724	c1b0a127dd1f69399a03c8653776df9c.exe	30
PID 1724 wrote to memory of 2560	1724	c1b0a127dd1f69399a03c8653776df9c.exe	30
PID 1724 wrote to memory of 2560	1724	c1b0a127dd1f69399a03c8653776df9c.exe	30
PID 1724 wrote to memory of 2560	1724	c1b0a127dd1f69399a03c8653776df9c.exe	30
PID 1724 wrote to memory of 2560	1724	c1b0a127dd1f69399a03c8653776df9c.exe	30
PID 1724 wrote to memory of 2560	1724	c1b0a127dd1f69399a03c8653776df9c.exe	30
PID 1724 wrote to memory of 2572	1724	c1b0a127dd1f69399a03c8653776df9c.exe	31
PID 1724 wrote to memory of 2572	1724	c1b0a127dd1f69399a03c8653776df9c.exe	31
PID 1724 wrote to memory of 2572	1724	c1b0a127dd1f69399a03c8653776df9c.exe	31
PID 1724 wrote to memory of 2572	1724	c1b0a127dd1f69399a03c8653776df9c.exe	31
PID 1724 wrote to memory of 2572	1724	c1b0a127dd1f69399a03c8653776df9c.exe	31
PID 1724 wrote to memory of 2572	1724	c1b0a127dd1f69399a03c8653776df9c.exe	31
PID 1724 wrote to memory of 2572	1724	c1b0a127dd1f69399a03c8653776df9c.exe	31
PID 1724 wrote to memory of 2572	1724	c1b0a127dd1f69399a03c8653776df9c.exe	31
PID 1724 wrote to memory of 2572	1724	c1b0a127dd1f69399a03c8653776df9c.exe	31
PID 1724 wrote to memory of 2572	1724	c1b0a127dd1f69399a03c8653776df9c.exe	31
PID 1724 wrote to memory of 2572	1724	c1b0a127dd1f69399a03c8653776df9c.exe	31
PID 1724 wrote to memory of 2572	1724	c1b0a127dd1f69399a03c8653776df9c.exe	31
PID 1724 wrote to memory of 2572	1724	c1b0a127dd1f69399a03c8653776df9c.exe	31
PID 2572 wrote to memory of 1848	2572	c1b0a127dd1f69399a03c8653776df9c.exe	39
PID 2572 wrote to memory of 1848	2572	c1b0a127dd1f69399a03c8653776df9c.exe	39
PID 2572 wrote to memory of 1848	2572	c1b0a127dd1f69399a03c8653776df9c.exe	39
PID 2572 wrote to memory of 1848	2572	c1b0a127dd1f69399a03c8653776df9c.exe	39
PID 1848 wrote to memory of 2092	1848	cmd.exe	41
PID 1848 wrote to memory of 2092	1848	cmd.exe	41
PID 1848 wrote to memory of 2092	1848	cmd.exe	41
PID 1848 wrote to memory of 2092	1848	cmd.exe	41

C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
"C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
  C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
  2⤵
  PID:2504
- C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
  C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
  2⤵
  PID:2556
- C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
  C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
  2⤵
  PID:2560
- C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
  C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\SysWOW64\cmd.exe
    /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
    3⤵
    - Deletes itself
    - Suspicious use of WriteProcessMemory
    PID:1848
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 3
      4⤵
      Delays execution with timeout.exe
      PID:2092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

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/1724-0-0x0000000000300000-0x000000000033E000-memory.dmp

Filesize
248KB

Download
memory/1724-1-0x0000000074930000-0x000000007501E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-2-0x00000000047B0000-0x00000000047F0000-memory.dmp

Filesize
256KB

Download
memory/1724-3-0x0000000001F30000-0x0000000001F5A000-memory.dmp

Filesize
168KB

Download
memory/1724-4-0x00000000006B0000-0x00000000006C2000-memory.dmp

Filesize
72KB

Download
memory/1724-8-0x0000000074930000-0x000000007501E000-memory.dmp

Filesize
6.9MB

Download
memory/2572-5-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2572-7-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2572-9-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2572-10-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2572-11-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download