Malware Analysis Report

2025-01-18 12:24

Sample ID 240829-1bwg1stgqn
Target SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe
SHA256 f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c
Tags
formbook b48n discovery rat spyware stealer trojan
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

f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c

Threat Level: Known bad

The file SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe was found to be: Known bad.

Malicious Activity Summary

formbook b48n discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-29 21:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-29 21:29

Reported

2024-08-29 21:31

Platform

win7-20240708-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1812 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe
PID 1812 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe
PID 1812 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe
PID 1812 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe
PID 1812 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe
PID 1812 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe
PID 1812 wrote to memory of 2180 N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe

Processes

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe"

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe"

Network

N/A

Files

memory/1812-0-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

memory/1812-1-0x0000000001250000-0x00000000012F2000-memory.dmp

memory/1812-2-0x0000000073EC0000-0x00000000745AE000-memory.dmp

memory/1812-3-0x00000000005A0000-0x00000000005B8000-memory.dmp

memory/1812-4-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

memory/1812-5-0x0000000073EC0000-0x00000000745AE000-memory.dmp

memory/1812-6-0x0000000004ED0000-0x0000000004F46000-memory.dmp

memory/2180-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2180-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2180-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2180-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1812-15-0x0000000073EC0000-0x00000000745AE000-memory.dmp

memory/2180-16-0x0000000000880000-0x0000000000B83000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-29 21:29

Reported

2024-08-29 21:31

Platform

win10v2004-20240802-en

Max time kernel

134s

Max time network

102s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe"

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.8040.32506.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/4880-0-0x00000000753BE000-0x00000000753BF000-memory.dmp

memory/4880-1-0x00000000008A0000-0x0000000000942000-memory.dmp

memory/4880-2-0x0000000005960000-0x0000000005F04000-memory.dmp

memory/4880-3-0x00000000053B0000-0x0000000005442000-memory.dmp

memory/4880-4-0x0000000005310000-0x000000000531A000-memory.dmp

memory/4880-5-0x00000000753B0000-0x0000000075B60000-memory.dmp

memory/4880-6-0x00000000054A0000-0x00000000054B8000-memory.dmp

memory/4880-7-0x00000000753BE000-0x00000000753BF000-memory.dmp

memory/4880-8-0x00000000753B0000-0x0000000075B60000-memory.dmp

memory/4880-9-0x0000000006510000-0x0000000006586000-memory.dmp

memory/4880-10-0x0000000006760000-0x00000000067FC000-memory.dmp

memory/680-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4880-13-0x00000000753B0000-0x0000000075B60000-memory.dmp

memory/680-14-0x00000000018D0000-0x0000000001C1A000-memory.dmp