taurus | c7685d2b519c5e3838daeeab473106345b4bd434e733ec8aa2b8a5b5ad8eb902

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04-03-2024 09:08

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General

Target

a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe
Size

339KB
MD5

85d26f599f100e876542f3977e8539c5
SHA1

82289e92aa61b145b7c966293acfd0cb9ab9d5db
SHA256

a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3
SHA512

322cd8ab595fa5b6dbfe5ce0b720f41d18d1a4917cd43e373b62669c51b41397d8aab811f577e325d0bf54474ca5db5cd1ea1979de9ddfabd0148ad081c32f4b
SSDEEP

6144:l98cADCn51AMvn52ReDSjYHXCCY+4umkxmHRjsz6:/n7AI5HQYHXCzVumGmxgz6

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 4 IoCs

resource	yara_rule
behavioral1/memory/2716-4-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2716-7-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2716-8-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2716-9-0x0000000000400000-0x0000000000437000-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

description	pid	Process	procid_target
PID 1328 set thread context of 2716	1328	a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1328	a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1328 wrote to memory of 2716	1328	a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe	28
PID 1328 wrote to memory of 2716	1328	a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe	28
PID 1328 wrote to memory of 2716	1328	a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe	28
PID 1328 wrote to memory of 2716	1328	a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe	28
PID 1328 wrote to memory of 2716	1328	a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe	28
PID 1328 wrote to memory of 2716	1328	a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe	28
PID 1328 wrote to memory of 2716	1328	a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe	28
PID 1328 wrote to memory of 2716	1328	a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe	28
PID 1328 wrote to memory of 2716	1328	a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe	28
PID 1328 wrote to memory of 2716	1328	a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe	28

C:\Users\Admin\AppData\Local\Temp\a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe
"C:\Users\Admin\AppData\Local\Temp\a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Users\Admin\AppData\Local\Temp\a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe
  C:\Users\Admin\AppData\Local\Temp\a1a258c9e2751e7d0906c64e27d5999ab380017639fc97d49dc1c0df3a2c3ea3.exe
  2⤵
  PID:2716

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

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Downloads

memory/1328-0-0x0000000001310000-0x0000000001368000-memory.dmp

Filesize
352KB

Download
memory/1328-1-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/1328-2-0x00000000003A0000-0x00000000003E0000-memory.dmp

Filesize
256KB

Download
memory/1328-3-0x0000000000380000-0x00000000003A2000-memory.dmp

Filesize
136KB

Download
memory/1328-6-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2716-4-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2716-7-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2716-8-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2716-9-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download