Malware Analysis Report

2025-01-03 05:10

Sample ID 230801-zryrmscb8s
Target BITnoStart.exe
SHA256 5f218a535ed51ebbc6821dc6c3777f375c2ea18ed1f9e52ca1198630b7527ae1
Tags
upx bitrat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

5f218a535ed51ebbc6821dc6c3777f375c2ea18ed1f9e52ca1198630b7527ae1

Threat Level: Known bad

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

Malicious Activity Summary

upx bitrat trojan

Bitrat family

BitRAT

UPX packed file

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-08-01 20:57

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

2023-08-01 20:57

Reported

2023-08-01 21:00

Platform

win7-20230712-en

Max time kernel

144s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\BITnoStart.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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\BITnoStart.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
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 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/2300-53-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2300-54-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2300-56-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2300-57-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2300-59-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2300-61-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2300-62-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2300-64-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2300-65-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2300-67-0x0000000000400000-0x00000000007E4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-01 20:57

Reported

2023-08-01 21:00

Platform

win10v2004-20230703-en

Max time kernel

145s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\BITnoStart.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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 160.252.72.23.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 8.8.8.8:53 254.109.26.67.in-addr.arpa udp
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 63.13.109.52.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
US 8.8.8.8:53 backu4734.duckdns.org udp
US 8.8.8.8:53 4.173.189.20.in-addr.arpa udp
DE 167.235.75.225:7904 backu4734.duckdns.org tcp

Files

memory/4288-133-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4288-134-0x0000000074630000-0x0000000074669000-memory.dmp

memory/4288-135-0x00000000749B0000-0x00000000749E9000-memory.dmp

memory/4288-136-0x00000000749B0000-0x00000000749E9000-memory.dmp

memory/4288-137-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4288-138-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4288-140-0x00000000749B0000-0x00000000749E9000-memory.dmp

memory/4288-141-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4288-143-0x00000000749B0000-0x00000000749E9000-memory.dmp

memory/4288-144-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4288-145-0x00000000749B0000-0x00000000749E9000-memory.dmp

memory/4288-146-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4288-148-0x00000000749B0000-0x00000000749E9000-memory.dmp

memory/4288-149-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4288-150-0x0000000074630000-0x0000000074669000-memory.dmp

memory/4288-151-0x00000000749B0000-0x00000000749E9000-memory.dmp

memory/4288-153-0x00000000749B0000-0x00000000749E9000-memory.dmp

memory/4288-154-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4288-155-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4288-161-0x00000000749B0000-0x00000000749E9000-memory.dmp

memory/4288-163-0x00000000749B0000-0x00000000749E9000-memory.dmp

memory/4288-164-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4288-165-0x00000000749B0000-0x00000000749E9000-memory.dmp

memory/4288-167-0x00000000749B0000-0x00000000749E9000-memory.dmp