Malware Analysis Report

2025-01-03 05:10

Sample ID 230805-3p9mxage9t
Target Bitwithstart.exe
SHA256 692933bda23e175d356d9dedffd90865a650a23cf86bf119a1276c16fc63ae8f
Tags
bitrat persistence trojan upx
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

692933bda23e175d356d9dedffd90865a650a23cf86bf119a1276c16fc63ae8f

Threat Level: Known bad

The file Bitwithstart.exe was found to be: Known bad.

Malicious Activity Summary

bitrat persistence trojan upx

BitRAT

Bitrat family

UPX packed file

Adds Run key to start application

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-08-05 23:42

Signatures

Bitrat family

bitrat

UPX packed file

upx
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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-05 23:42

Reported

2023-08-05 23:45

Platform

win7-20230712-en

Max time kernel

149s

Max time network

148s

Command Line

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

Signatures

BitRAT

trojan bitrat

UPX packed file

upx
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\USER\S-1-5-21-3408354897-1169622894-3874090110-1000\Software\Microsoft\Windows\CurrentVersion\Run\jdfh = "C:\\Users\\Admin\\AppData\\Local\\ndjej\\jdfh.exe" C:\Users\Admin\AppData\Local\Temp\Bitwithstart.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious behavior: RenamesItself

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Bitwithstart.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Bitwithstart.exe N/A

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 backu4734.duckdns.org udp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
US 8.8.8.8:53 backu4734.duckdns.org udp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
US 8.8.8.8:53 backu4734.duckdns.org udp
US 8.8.8.8:53 backu4734.duckdns.org udp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
US 8.8.8.8:53 backu4734.duckdns.org udp

Files

memory/2584-54-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2584-55-0x0000000000400000-0x00000000007E4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-05 23:42

Reported

2023-08-05 23:45

Platform

win10v2004-20230703-en

Max time kernel

150s

Max time network

156s

Command Line

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

Signatures

BitRAT

trojan bitrat

UPX packed file

upx
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\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jdfh = "C:\\Users\\Admin\\AppData\\Local\\ndjej\\jdfh.exeĀ" C:\Users\Admin\AppData\Local\Temp\Bitwithstart.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jdfh = "C:\\Users\\Admin\\AppData\\Local\\ndjej\\jdfh.exe" C:\Users\Admin\AppData\Local\Temp\Bitwithstart.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jdfh = "C:\\Users\\Admin\\AppData\\Local\\ndjej\\jdfh.exe먀" C:\Users\Admin\AppData\Local\Temp\Bitwithstart.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jdfh = "C:\\Users\\Admin\\AppData\\Local\\ndjej\\jdfh.exeԀ" C:\Users\Admin\AppData\Local\Temp\Bitwithstart.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jdfh = "C:\\Users\\Admin\\AppData\\Local\\ndjej\\jdfh.exeЀ" C:\Users\Admin\AppData\Local\Temp\Bitwithstart.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious behavior: RenamesItself

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 254.23.238.8.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 backu4734.duckdns.org udp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
US 8.8.8.8:53 backu4734.duckdns.org udp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
US 8.8.8.8:53 backu4734.duckdns.org udp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp

Files

memory/4196-133-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4196-134-0x0000000074970000-0x00000000749A9000-memory.dmp

memory/4196-135-0x0000000074630000-0x0000000074669000-memory.dmp

memory/4196-136-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4196-137-0x0000000074630000-0x0000000074669000-memory.dmp

memory/4196-138-0x0000000074630000-0x0000000074669000-memory.dmp

memory/4196-139-0x0000000074630000-0x0000000074669000-memory.dmp

memory/4196-140-0x0000000074630000-0x0000000074669000-memory.dmp

memory/4196-141-0x0000000074630000-0x0000000074669000-memory.dmp

memory/4196-142-0x0000000074970000-0x00000000749A9000-memory.dmp

memory/4196-143-0x0000000074630000-0x0000000074669000-memory.dmp

memory/4196-144-0x0000000074630000-0x0000000074669000-memory.dmp

memory/4196-145-0x0000000074630000-0x0000000074669000-memory.dmp

memory/4196-146-0x0000000074630000-0x0000000074669000-memory.dmp

memory/4196-147-0x0000000074630000-0x0000000074669000-memory.dmp

memory/4196-148-0x0000000074630000-0x0000000074669000-memory.dmp

memory/4196-149-0x0000000074630000-0x0000000074669000-memory.dmp