Malware Analysis Report

2024-12-07 20:29

Sample ID 240224-x75tsadc61
Target a292a15e18ebb542a36509dc86e2b294
SHA256 8462d608d04b29277d73c4df5bacc1baddc852ffabded6e70535ac89f8a5c620
Tags
themida cybergate vítima persistence stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8462d608d04b29277d73c4df5bacc1baddc852ffabded6e70535ac89f8a5c620

Threat Level: Known bad

The file a292a15e18ebb542a36509dc86e2b294 was found to be: Known bad.

Malicious Activity Summary

themida cybergate vítima persistence stealer trojan

CyberGate, Rebhip

Modifies Installed Components in the registry

Adds policy Run key to start application

Themida packer

Adds Run key to start application

Drops file in System32 directory

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-24 19:30

Signatures

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-24 19:30

Reported

2024-02-24 19:33

Platform

win7-20240221-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe"

Signatures

CyberGate, Rebhip

trojan stealer cybergate

Adds policy Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\Microsoft\\Windows.exe" C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\Microsoft\\Windows.exe" C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe N/A

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{KM166N0U-Y5LX-6O7N-VY42-N6MT808LUR3T} C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{KM166N0U-Y5LX-6O7N-VY42-N6MT808LUR3T}\StubPath = "C:\\Windows\\system32\\Microsoft\\Windows.exe Restart" C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe N/A

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Windows\\system32\\Microsoft\\Windows.exe" C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Windows\\system32\\Microsoft\\Windows.exe" C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\Microsoft\Windows.exe C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe N/A
File opened for modification C:\Windows\SysWOW64\Microsoft\Windows.exe C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe

"C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe"

Network

N/A

Files

memory/2152-1-0x00000000006C0000-0x00000000007A6000-memory.dmp

memory/2152-0-0x0000000000260000-0x0000000000261000-memory.dmp

memory/2152-2-0x0000000000400000-0x00000000006B2000-memory.dmp

memory/2152-8-0x00000000043E0000-0x00000000043E1000-memory.dmp

memory/2152-7-0x00000000043B0000-0x00000000043B1000-memory.dmp

memory/2152-9-0x0000000004390000-0x0000000004391000-memory.dmp

memory/2152-6-0x00000000043C0000-0x00000000043C1000-memory.dmp

memory/2152-5-0x0000000002280000-0x0000000002281000-memory.dmp

memory/2152-4-0x0000000004360000-0x0000000004361000-memory.dmp

memory/2152-3-0x0000000004140000-0x0000000004141000-memory.dmp

memory/2152-13-0x00000000043A0000-0x00000000043A1000-memory.dmp

memory/2152-15-0x0000000000400000-0x00000000006B2000-memory.dmp

memory/2152-14-0x0000000004350000-0x0000000004351000-memory.dmp

memory/2152-16-0x0000000004350000-0x0000000004351000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-24 19:30

Reported

2024-02-24 19:33

Platform

win10v2004-20240221-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe

"C:\Users\Admin\AppData\Local\Temp\a292a15e18ebb542a36509dc86e2b294.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 208.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 198.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 122.10.44.20.in-addr.arpa udp

Files

memory/2264-0-0x0000000002310000-0x0000000002311000-memory.dmp

memory/2264-1-0x0000000002360000-0x0000000002446000-memory.dmp

memory/2264-2-0x0000000002310000-0x0000000002311000-memory.dmp