Malware Analysis Report

2025-01-03 05:03

Sample ID 240106-hsm8vsafhn
Target 4594a8618274c5732c58bcb6f246919a
SHA256 93dd445822c1c5b30270fc5552a71a02eab536a80ba51e345632d2be18aded49
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

93dd445822c1c5b30270fc5552a71a02eab536a80ba51e345632d2be18aded49

Threat Level: Known bad

The file 4594a8618274c5732c58bcb6f246919a was found to be: Known bad.

Malicious Activity Summary

bitrat persistence trojan upx

BitRAT

UPX packed file

Adds Run key to start application

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-06 07:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-06 07:00

Reported

2024-01-06 07:03

Platform

win7-20231215-en

Max time kernel

147s

Max time network

177s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe"

Signatures

BitRAT

trojan bitrat

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogomwindefender = "C:\\Users\\Admin\\AppData\\Local\\winlogomwindefenders\\winlogomwindefender.exe" C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2140 set thread context of 2608 N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe
PID 2140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe
PID 2140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe
PID 2140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe
PID 2140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe
PID 2140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe
PID 2140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe
PID 2140 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe

"C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe"

C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe

"C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 jairoandresotalvarorend.linkpc.net udp
SG 139.99.66.103:9083 jairoandresotalvarorend.linkpc.net tcp
SG 139.99.66.103:9083 jairoandresotalvarorend.linkpc.net tcp
SG 139.99.66.103:9083 jairoandresotalvarorend.linkpc.net tcp
SG 139.99.66.103:9083 jairoandresotalvarorend.linkpc.net tcp

Files

memory/2140-0-0x0000000074B90000-0x000000007527E000-memory.dmp

memory/2140-1-0x0000000001020000-0x000000000123A000-memory.dmp

memory/2140-2-0x0000000004DF0000-0x0000000004E30000-memory.dmp

memory/2140-3-0x0000000000280000-0x0000000000296000-memory.dmp

memory/2140-4-0x0000000074B90000-0x000000007527E000-memory.dmp

memory/2140-5-0x0000000004DF0000-0x0000000004E30000-memory.dmp

memory/2140-6-0x0000000005C90000-0x0000000005E80000-memory.dmp

memory/2140-7-0x000000000B360000-0x000000000B4D8000-memory.dmp

memory/2608-9-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-11-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-15-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-17-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-16-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-19-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-20-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-18-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2608-8-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2140-21-0x0000000074B90000-0x000000007527E000-memory.dmp

memory/2608-22-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-24-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-25-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-26-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-27-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-28-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-23-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-29-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-30-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-32-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-31-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-33-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-34-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-36-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2608-35-0x0000000000400000-0x00000000007E4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-06 07:00

Reported

2024-01-06 07:02

Platform

win10v2004-20231215-en

Max time kernel

147s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe

"C:\Users\Admin\AppData\Local\Temp\4594a8618274c5732c58bcb6f246919a.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 18.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 6.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/2648-0-0x00000000744C0000-0x0000000074C70000-memory.dmp

memory/2648-1-0x0000000000EA0000-0x00000000010BA000-memory.dmp

memory/2648-2-0x00000000060E0000-0x0000000006684000-memory.dmp

memory/2648-3-0x0000000005B30000-0x0000000005BC2000-memory.dmp

memory/2648-4-0x0000000005BD0000-0x0000000005C6C000-memory.dmp

memory/2648-5-0x00000000744C0000-0x0000000074C70000-memory.dmp

memory/2648-6-0x0000000005FD0000-0x0000000005FE0000-memory.dmp

memory/2648-7-0x0000000005E70000-0x0000000005E7A000-memory.dmp

memory/2648-8-0x0000000005FD0000-0x0000000005FE0000-memory.dmp

memory/2648-9-0x0000000001190000-0x00000000011A6000-memory.dmp