Malware Analysis Report

2025-01-03 05:02

Sample ID 231226-j3v7wshab4
Target 5ec2c541a8a9480a6171083f7426d699
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 was found to be: Known bad.

Malicious Activity Summary

bitrat trojan upx

BitRAT

UPX packed file

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-26 08:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-26 08:12

Reported

2024-01-06 05:45

Platform

win7-20231215-en

Max time kernel

40s

Max time network

151s

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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Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2500 set thread context of 2752 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Enumerates physical storage devices

Creates scheduled task(s)

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2500 wrote to memory of 2616 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\SysWOW64\schtasks.exe
PID 2500 wrote to memory of 2616 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\SysWOW64\schtasks.exe
PID 2500 wrote to memory of 2616 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\SysWOW64\schtasks.exe
PID 2500 wrote to memory of 2616 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\SysWOW64\schtasks.exe
PID 2500 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2500 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2500 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2500 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2500 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2500 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2500 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2500 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2500 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2500 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2500 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\5ec2c541a8a9480a6171083f7426d699.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

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

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

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CHISoIz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC810.tmp"

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

"{path}"

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/2500-0-0x00000000747B0000-0x0000000074E9E000-memory.dmp

memory/2500-1-0x0000000001090000-0x00000000012CA000-memory.dmp

memory/2500-2-0x0000000000FE0000-0x0000000001020000-memory.dmp

memory/2500-3-0x00000000004B0000-0x00000000004B8000-memory.dmp

memory/2500-4-0x00000000747B0000-0x0000000074E9E000-memory.dmp

memory/2500-5-0x0000000000FE0000-0x0000000001020000-memory.dmp

memory/2500-6-0x0000000008860000-0x0000000008A6C000-memory.dmp

memory/2500-7-0x0000000008450000-0x0000000008604000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpC810.tmp

MD5 720e07905de0068e79190f4355f36d43
SHA1 7ffc989b102f9ba1fc93e305bf548590e44914a0
SHA256 abad2790d7fa388488d7b2971082038d14fbc971617461d327d41f2bd9a714ef
SHA512 e77f76ae16d6d2aac10bcd4a5a8beee25f544d45debd0aaa2fa339b48f219c9bf6d15c1a491bb7320f9620c0698eef49d54ab77c10648c46c3043e5d2e7f0bbc

memory/2752-11-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2752-19-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-21-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2500-23-0x00000000747B0000-0x0000000074E9E000-memory.dmp

memory/2752-22-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-20-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-18-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-14-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-13-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-24-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-26-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-27-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-29-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-31-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-30-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-25-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-33-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-32-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-35-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-34-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-36-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2752-37-0x0000000000400000-0x00000000007E4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-26 08:12

Reported

2024-01-06 05:42

Platform

win10v2004-20231222-en

Max time kernel

33s

Max time network

77s

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\tmpC776.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.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 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 cs50.publicvm.com udp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
SG 139.99.66.103:5162 cs50.publicvm.com tcp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
SG 139.99.66.103:5162 cs50.publicvm.com tcp

Files

memory/2084-1-0x00000000750D0000-0x0000000075880000-memory.dmp

memory/2084-2-0x0000000005820000-0x0000000005DC4000-memory.dmp

memory/2084-3-0x0000000005270000-0x0000000005302000-memory.dmp

memory/2084-4-0x0000000005430000-0x0000000005440000-memory.dmp

memory/2084-5-0x0000000005210000-0x000000000521A000-memory.dmp

memory/2084-0-0x00000000005E0000-0x000000000081A000-memory.dmp

memory/2084-7-0x0000000006570000-0x000000000660C000-memory.dmp

memory/2084-6-0x00000000057C0000-0x00000000057C8000-memory.dmp

memory/2084-8-0x00000000750D0000-0x0000000075880000-memory.dmp

memory/2084-9-0x0000000005430000-0x0000000005440000-memory.dmp

memory/2084-10-0x0000000008610000-0x000000000881C000-memory.dmp

memory/2084-11-0x0000000008440000-0x00000000085F4000-memory.dmp

memory/2060-16-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2084-21-0x00000000750D0000-0x0000000075880000-memory.dmp

memory/2060-20-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-19-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-18-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-15-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-22-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-23-0x0000000074FE0000-0x0000000075019000-memory.dmp

memory/2060-24-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-28-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-30-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-31-0x0000000075380000-0x00000000753B9000-memory.dmp

memory/2060-29-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-26-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-27-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-25-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-32-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-34-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-35-0x0000000075380000-0x00000000753B9000-memory.dmp

memory/2060-33-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-37-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-38-0x0000000075380000-0x00000000753B9000-memory.dmp

memory/2060-36-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-39-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2060-41-0x0000000075380000-0x00000000753B9000-memory.dmp

memory/2060-40-0x0000000000400000-0x00000000007E4000-memory.dmp