Malware Analysis Report

2024-10-23 15:26

Sample ID 240831-nlsgws1cnn
Target 37e7681cd2f34d90c17bbb7ab5800620e7ff99eba507db117a801a6e151f0bca
SHA256 37e7681cd2f34d90c17bbb7ab5800620e7ff99eba507db117a801a6e151f0bca
Tags
trickbot top138 banker discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

37e7681cd2f34d90c17bbb7ab5800620e7ff99eba507db117a801a6e151f0bca

Threat Level: Known bad

The file 37e7681cd2f34d90c17bbb7ab5800620e7ff99eba507db117a801a6e151f0bca was found to be: Known bad.

Malicious Activity Summary

trickbot top138 banker discovery trojan

Trickbot

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-31 11:29

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-31 11:29

Reported

2024-08-31 11:32

Platform

win10v2004-20240802-en

Max time kernel

150s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe"

Signatures

Trickbot

trojan banker trickbot

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\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\system32\wermgr.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe

"C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe"

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1148 -ip 1148

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 580

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 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
AL 46.99.175.149:443 tcp
BR 179.189.229.254:443 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.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
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
MY 60.51.47.65:443 tcp
BR 128.201.76.252:443 tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 65.152.201.203:443 tcp
ID 103.105.254.17:443 tcp
US 45.36.99.184:443 tcp
N/A 62.99.79.77:443 tcp

Files

memory/1148-1-0x0000000002640000-0x0000000002680000-memory.dmp

memory/1148-4-0x0000000002500000-0x000000000253D000-memory.dmp

memory/1148-5-0x0000000002680000-0x00000000026BB000-memory.dmp

memory/1148-6-0x0000000002680000-0x00000000026BB000-memory.dmp

memory/1148-8-0x0000000010000000-0x0000000010003000-memory.dmp

memory/1148-7-0x00000000026C0000-0x00000000026C1000-memory.dmp

memory/3856-10-0x000002138BCF0000-0x000002138BCF1000-memory.dmp

memory/3856-9-0x000002138BB60000-0x000002138BB89000-memory.dmp

memory/1148-11-0x0000000002230000-0x0000000002241000-memory.dmp

memory/1148-12-0x0000000002680000-0x00000000026BB000-memory.dmp

memory/3856-13-0x000002138BB60000-0x000002138BB89000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 11:29

Reported

2024-08-31 11:32

Platform

win7-20240704-en

Max time kernel

145s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe"

Signatures

Trickbot

trojan banker trickbot

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\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\system32\wermgr.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1604 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe C:\Windows\system32\wermgr.exe
PID 1604 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe C:\Windows\system32\wermgr.exe
PID 1604 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe C:\Windows\system32\wermgr.exe
PID 1604 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe C:\Windows\system32\wermgr.exe
PID 1604 wrote to memory of 1824 N/A C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe C:\Windows\system32\cmd.exe
PID 1604 wrote to memory of 1824 N/A C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe C:\Windows\system32\cmd.exe
PID 1604 wrote to memory of 1824 N/A C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe C:\Windows\system32\cmd.exe
PID 1604 wrote to memory of 1824 N/A C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe C:\Windows\system32\cmd.exe
PID 1604 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe C:\Windows\system32\wermgr.exe
PID 1604 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe C:\Windows\system32\wermgr.exe

Processes

C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe

"C:\Users\Admin\AppData\Local\Temp\37e081b75c073fbcfad7f5cd4238a12985a07a01f4b9d000ee7a74bda6456e0c.exe"

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe

Network

Country Destination Domain Proto
BR 179.189.229.254:443 tcp
PL 185.56.175.122:443 tcp
MY 60.51.47.65:443 tcp
BR 128.201.76.252:443 tcp
AL 46.99.175.217:443 tcp
ES 82.159.149.52:443 tcp
US 45.36.99.184:443 tcp
AL 46.99.188.223:443 tcp

Files

memory/1604-2-0x00000000003C0000-0x0000000000400000-memory.dmp

memory/1604-0-0x0000000000380000-0x00000000003BD000-memory.dmp

memory/1604-8-0x00000000005A0000-0x00000000005DB000-memory.dmp

memory/1604-7-0x0000000000380000-0x00000000003BD000-memory.dmp

memory/1604-6-0x00000000005A0000-0x00000000005DB000-memory.dmp

memory/1604-9-0x00000000005E0000-0x00000000005E1000-memory.dmp

memory/1604-10-0x0000000010000000-0x0000000010003000-memory.dmp

memory/2396-11-0x00000000000F0000-0x0000000000119000-memory.dmp

memory/2396-12-0x0000000000290000-0x0000000000291000-memory.dmp

memory/1604-13-0x00000000005A0000-0x00000000005DB000-memory.dmp

memory/2396-14-0x00000000000F0000-0x0000000000119000-memory.dmp