taurus | f20ff51110a2afc08e58fbfbb856043bc4a1510a95b46ccbf3770f7f8344214a

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

Processes:

resource	yara_rule
behavioral2/memory/4016-12-0x0000000000400000-0x000000000043A000-memory.dmp	family_taurus_stealer
behavioral2/memory/4016-13-0x0000000000400000-0x000000000043A000-memory.dmp	family_taurus_stealer
behavioral2/memory/4016-14-0x0000000000400000-0x000000000043A000-memory.dmp	family_taurus_stealer
behavioral2/memory/4016-16-0x0000000000400000-0x000000000043A000-memory.dmp	family_taurus_stealer
behavioral2/memory/4016-18-0x0000000000400000-0x000000000043A000-memory.dmp	family_taurus_stealer

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

Processes:

c1b0a127dd1f69399a03c8653776df9c.exe

description pid process target process

PID 3528 set thread context of 4016 3528 c1b0a127dd1f69399a03c8653776df9c.exe c1b0a127dd1f69399a03c8653776df9c.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3248 timeout.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c1b0a127dd1f69399a03c8653776df9c.exe

description pid process

Token: SeDebugPrivilege 3528 c1b0a127dd1f69399a03c8653776df9c.exe

description	pid	process	target process
PID 3528 set thread context of 4016	3528	c1b0a127dd1f69399a03c8653776df9c.exe	c1b0a127dd1f69399a03c8653776df9c.exe

pid	process
3248	timeout.exe

description	pid	process
Token: SeDebugPrivilege	3528	c1b0a127dd1f69399a03c8653776df9c.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

c1b0a127dd1f69399a03c8653776df9c.exec1b0a127dd1f69399a03c8653776df9c.execmd.exe

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:3528

C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4016

C:\Windows\SysWOW64\cmd.exe
/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\c1b0a127dd1f69399a03c8653776df9c.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:4464

C:\Windows\SysWOW64\timeout.exe
timeout /t 3
4⤵
- Delays execution with timeout.exe
PID:3248

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1348 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
1⤵
PID:4220

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

2

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3528-8-0x00000000071A0000-0x0000000007216000-memory.dmp

Filesize
472KB

Download
memory/3528-2-0x0000000006080000-0x0000000006624000-memory.dmp

Filesize
5.6MB

Download
memory/3528-9-0x0000000005DD0000-0x0000000005DEE000-memory.dmp

Filesize
120KB

Download
memory/3528-10-0x0000000005D90000-0x0000000005DA2000-memory.dmp

Filesize
72KB

Download
memory/3528-4-0x0000000005BA0000-0x0000000005BB0000-memory.dmp

Filesize
64KB

Download
memory/3528-5-0x00000000059B0000-0x00000000059BA000-memory.dmp

Filesize
40KB

Download
memory/3528-6-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/3528-7-0x0000000005B60000-0x0000000005B8A000-memory.dmp

Filesize
168KB

Download
memory/3528-0-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/3528-1-0x0000000000F80000-0x0000000000FBE000-memory.dmp

Filesize
248KB

Download
memory/3528-3-0x00000000059D0000-0x0000000005A62000-memory.dmp

Filesize
584KB

Download
memory/3528-11-0x0000000005BA0000-0x0000000005BB0000-memory.dmp

Filesize
64KB

Download
memory/3528-17-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/4016-13-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4016-14-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4016-16-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4016-12-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4016-18-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download

description	pid	process	target process
PID 3528 wrote to memory of 4016	3528	c1b0a127dd1f69399a03c8653776df9c.exe	c1b0a127dd1f69399a03c8653776df9c.exe
PID 3528 wrote to memory of 4016	3528	c1b0a127dd1f69399a03c8653776df9c.exe	c1b0a127dd1f69399a03c8653776df9c.exe
PID 3528 wrote to memory of 4016	3528	c1b0a127dd1f69399a03c8653776df9c.exe	c1b0a127dd1f69399a03c8653776df9c.exe
PID 3528 wrote to memory of 4016	3528	c1b0a127dd1f69399a03c8653776df9c.exe	c1b0a127dd1f69399a03c8653776df9c.exe
PID 3528 wrote to memory of 4016	3528	c1b0a127dd1f69399a03c8653776df9c.exe	c1b0a127dd1f69399a03c8653776df9c.exe
PID 3528 wrote to memory of 4016	3528	c1b0a127dd1f69399a03c8653776df9c.exe	c1b0a127dd1f69399a03c8653776df9c.exe
PID 3528 wrote to memory of 4016	3528	c1b0a127dd1f69399a03c8653776df9c.exe	c1b0a127dd1f69399a03c8653776df9c.exe
PID 3528 wrote to memory of 4016	3528	c1b0a127dd1f69399a03c8653776df9c.exe	c1b0a127dd1f69399a03c8653776df9c.exe
PID 3528 wrote to memory of 4016	3528	c1b0a127dd1f69399a03c8653776df9c.exe	c1b0a127dd1f69399a03c8653776df9c.exe
PID 4016 wrote to memory of 4464	4016	c1b0a127dd1f69399a03c8653776df9c.exe	cmd.exe
PID 4016 wrote to memory of 4464	4016	c1b0a127dd1f69399a03c8653776df9c.exe	cmd.exe
PID 4016 wrote to memory of 4464	4016	c1b0a127dd1f69399a03c8653776df9c.exe	cmd.exe
PID 4464 wrote to memory of 3248	4464	cmd.exe	timeout.exe
PID 4464 wrote to memory of 3248	4464	cmd.exe	timeout.exe
PID 4464 wrote to memory of 3248	4464	cmd.exe	timeout.exe

Analysis

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