taurus | c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df

General

Target

c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe
Size

2.0MB
MD5

7e2bae3ece76b669fdc4c63cc675dc41
SHA1

4d229e583a2e9887388992de8898a7be60e13fc5
SHA256

c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df
SHA512

36bc6b0af2270c4dd4c8fe3d06fe56edba504fa9e7ee6afde22d2b8ebd82b29f0734d1fe520b771383f1752108311b2ac39ef0fe30e99e017010debb9da5de26

Score

10^/10

taurus discovery evasion spyware stealer themida trojan

Malware Config

Signatures

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

Taurus Stealer payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1016-55-0x0000000000BC0000-0x0000000001150000-memory.dmp	family_taurus_stealer
behavioral1/memory/1016-57-0x0000000000BC0000-0x0000000001150000-memory.dmp	family_taurus_stealer
behavioral1/memory/1016-59-0x0000000000BC0000-0x0000000001150000-memory.dmp	family_taurus_stealer
behavioral1/memory/1016-60-0x0000000000BC0000-0x0000000001150000-memory.dmp	family_taurus_stealer
behavioral1/memory/1016-61-0x0000000000BC0000-0x0000000001150000-memory.dmp	family_taurus_stealer
behavioral1/memory/1016-62-0x0000000000BC0000-0x0000000001150000-memory.dmp	family_taurus_stealer
behavioral1/memory/1016-64-0x0000000000BC0000-0x0000000001150000-memory.dmp	family_taurus_stealer

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1508 cmd.exe
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

pid	process
1508	cmd.exe

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1016-55-0x0000000000BC0000-0x0000000001150000-memory.dmp	themida
behavioral1/memory/1016-56-0x0000000000BC0000-0x0000000001150000-memory.dmp	themida
behavioral1/memory/1016-57-0x0000000000BC0000-0x0000000001150000-memory.dmp	themida
behavioral1/memory/1016-59-0x0000000000BC0000-0x0000000001150000-memory.dmp	themida
behavioral1/memory/1016-60-0x0000000000BC0000-0x0000000001150000-memory.dmp	themida
behavioral1/memory/1016-61-0x0000000000BC0000-0x0000000001150000-memory.dmp	themida
behavioral1/memory/1016-62-0x0000000000BC0000-0x0000000001150000-memory.dmp	themida
behavioral1/memory/1016-64-0x0000000000BC0000-0x0000000001150000-memory.dmp	themida

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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe

pid process

1016 c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1524 timeout.exe

pid	process
1016	c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe

pid	process
1524	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.execmd.exe

description	pid	process	target process
PID 1016 wrote to memory of 1508	1016	c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe	cmd.exe
PID 1016 wrote to memory of 1508	1016	c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe	cmd.exe
PID 1016 wrote to memory of 1508	1016	c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe	cmd.exe
PID 1016 wrote to memory of 1508	1016	c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe	cmd.exe
PID 1508 wrote to memory of 1524	1508	cmd.exe	timeout.exe
PID 1508 wrote to memory of 1524	1508	cmd.exe	timeout.exe
PID 1508 wrote to memory of 1524	1508	cmd.exe	timeout.exe
PID 1508 wrote to memory of 1524	1508	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe
"C:\Users\Admin\AppData\Local\Temp\c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\c3cc0a27f51e73dd02f3edf4aa7ca9e51598917c4f667cb1c28784e9d71832df.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1508
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - Delays execution with timeout.exe
    PID:1524

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1016-60-0x0000000000BC0000-0x0000000001150000-memory.dmp

Filesize
5.6MB

Download
memory/1016-55-0x0000000000BC0000-0x0000000001150000-memory.dmp

Filesize
5.6MB

Download
memory/1016-56-0x0000000000BC0000-0x0000000001150000-memory.dmp

Filesize
5.6MB

Download
memory/1016-57-0x0000000000BC0000-0x0000000001150000-memory.dmp

Filesize
5.6MB

Download
memory/1016-58-0x00000000778B0000-0x0000000077A30000-memory.dmp

Filesize
1.5MB

Download
memory/1016-59-0x0000000000BC0000-0x0000000001150000-memory.dmp

Filesize
5.6MB

Download
memory/1016-54-0x0000000075F61000-0x0000000075F63000-memory.dmp

Filesize
8KB

Download
memory/1016-61-0x0000000000BC0000-0x0000000001150000-memory.dmp

Filesize
5.6MB

Download
memory/1016-62-0x0000000000BC0000-0x0000000001150000-memory.dmp

Filesize
5.6MB

Download
memory/1016-64-0x0000000000BC0000-0x0000000001150000-memory.dmp

Filesize
5.6MB

Download
memory/1016-66-0x00000000778B0000-0x0000000077A30000-memory.dmp

Filesize
1.5MB

Download
memory/1508-63-0x0000000000000000-mapping.dmp

Download
memory/1524-65-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads