Malware Analysis Report

2025-01-03 05:02

Sample ID 240106-ly1mxschbm
Target 5ec2c541a8a9480a6171083f7426d699.exe
SHA256 75c904276bfa29c610f17379679bc346d3cde985094c0fc3f088cbfcf9c05528
Tags
bitrat 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

75c904276bfa29c610f17379679bc346d3cde985094c0fc3f088cbfcf9c05528

Threat Level: Known bad

The file 5ec2c541a8a9480a6171083f7426d699.exe was found to be: Known bad.

Malicious Activity Summary

bitrat trojan upx

BitRAT

UPX packed file

Enumerates physical storage devices

Unsigned PE

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-06 09:57

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-06 09:57

Reported

2024-01-06 09:59

Platform

win7-20231129-en

Max time kernel

33s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe"

Signatures

BitRAT

trojan bitrat

UPX packed file

upx
Description Indicator Process Target
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Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe

"C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"{path}"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CHISoIz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp902F.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 cs50.publicvm.com udp
SG 139.99.66.103:5162 cs50.publicvm.com tcp
SG 139.99.66.103:5162 cs50.publicvm.com tcp
SG 139.99.66.103:5162 cs50.publicvm.com tcp
SG 139.99.66.103:5162 cs50.publicvm.com tcp

Files

memory/1216-1-0x0000000074680000-0x0000000074D6E000-memory.dmp

memory/1216-0-0x00000000012A0000-0x00000000014DA000-memory.dmp

memory/1216-2-0x0000000004E70000-0x0000000004EB0000-memory.dmp

memory/1216-3-0x00000000007D0000-0x00000000007D8000-memory.dmp

memory/1216-4-0x0000000074680000-0x0000000074D6E000-memory.dmp

memory/1216-5-0x0000000004E70000-0x0000000004EB0000-memory.dmp

memory/1216-6-0x0000000008A00000-0x0000000008C0C000-memory.dmp

memory/1216-7-0x000000000BC10000-0x000000000BDC4000-memory.dmp

memory/3048-11-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/3048-24-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/1216-23-0x0000000074680000-0x0000000074D6E000-memory.dmp

memory/3048-22-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-21-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-20-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-19-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-18-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-14-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-12-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-25-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-29-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-32-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-30-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-28-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-27-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-26-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-33-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-34-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-35-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-37-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-36-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-39-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3048-38-0x0000000000400000-0x00000000007E4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-06 09:57

Reported

2024-01-06 09:59

Platform

win10v2004-20231215-en

Max time kernel

33s

Max time network

63s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe"

Signatures

BitRAT

trojan bitrat

UPX packed file

upx
Description Indicator Process Target
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Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe

"C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"{path}"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CHISoIz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC719.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 23.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
SG 139.99.66.103:5162 tcp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
GB 88.221.135.211:80 tcp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
US 8.8.8.8:53 udp
N/A 51.124.78.146:443 tcp
N/A 51.124.78.146:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
GB 96.17.178.174:80 tcp

Files

memory/2792-1-0x0000000075170000-0x0000000075920000-memory.dmp

memory/2792-0-0x0000000000C30000-0x0000000000E6A000-memory.dmp

memory/2792-3-0x0000000005870000-0x0000000005902000-memory.dmp

memory/2792-4-0x0000000005A00000-0x0000000005A10000-memory.dmp

memory/2792-5-0x0000000005A10000-0x0000000005A1A000-memory.dmp

memory/2792-2-0x0000000005E20000-0x00000000063C4000-memory.dmp

memory/2792-7-0x0000000007ED0000-0x0000000007F6C000-memory.dmp

memory/2792-6-0x0000000005D00000-0x0000000005D08000-memory.dmp

memory/2792-8-0x0000000075170000-0x0000000075920000-memory.dmp

memory/2792-9-0x0000000005A00000-0x0000000005A10000-memory.dmp

memory/2792-10-0x0000000008C20000-0x0000000008E2C000-memory.dmp

memory/2792-11-0x000000000BE30000-0x000000000BFE4000-memory.dmp

memory/2792-21-0x0000000075170000-0x0000000075920000-memory.dmp

memory/4520-20-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-16-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-18-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-15-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-23-0x0000000075080000-0x00000000750B9000-memory.dmp

memory/4520-22-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-24-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-28-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-31-0x0000000075400000-0x0000000075439000-memory.dmp

memory/4520-30-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-29-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-27-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-26-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-25-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-32-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-34-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-35-0x0000000075400000-0x0000000075439000-memory.dmp

memory/4520-33-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-38-0x0000000075400000-0x0000000075439000-memory.dmp

memory/4520-37-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-36-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-41-0x0000000075400000-0x0000000075439000-memory.dmp

memory/4520-40-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/4520-39-0x0000000000400000-0x00000000007E4000-memory.dmp