Malware Analysis Report

2024-10-23 15:26

Sample ID 240831-ne8was1ane
Target ac1d4a51b8c1f7f98a1033e5bc2e1de7.zip
SHA256 7e6b1c3938e4d0a6968141b0d191e1a10f1f30f513d231048b731ccceec52156
Tags
trickbot leg1 banker discovery 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

7e6b1c3938e4d0a6968141b0d191e1a10f1f30f513d231048b731ccceec52156

Threat Level: Known bad

The file ac1d4a51b8c1f7f98a1033e5bc2e1de7.zip was found to be: Known bad.

Malicious Activity Summary

trickbot leg1 banker discovery trojan

Trickbot

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-31 11:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 11:19

Reported

2024-08-31 11:22

Platform

win7-20240704-en

Max time kernel

149s

Max time network

150s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7a297e62cd649ae1763acd89bcf2135eebf6b3a910ca60621d84e004b078beb7.dll

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:\Windows\SysWOW64\regsvr32.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 1676 wrote to memory of 2576 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1676 wrote to memory of 2576 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1676 wrote to memory of 2576 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1676 wrote to memory of 2576 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1676 wrote to memory of 2576 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1676 wrote to memory of 2576 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1676 wrote to memory of 2576 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2576 wrote to memory of 1156 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\cmd.exe
PID 2576 wrote to memory of 1156 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\cmd.exe
PID 2576 wrote to memory of 1156 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\cmd.exe
PID 2576 wrote to memory of 1156 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\cmd.exe
PID 2576 wrote to memory of 1524 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 2576 wrote to memory of 1524 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 2576 wrote to memory of 1524 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 2576 wrote to memory of 1524 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 2576 wrote to memory of 1524 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe
PID 2576 wrote to memory of 1524 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\system32\wermgr.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7a297e62cd649ae1763acd89bcf2135eebf6b3a910ca60621d84e004b078beb7.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\7a297e62cd649ae1763acd89bcf2135eebf6b3a910ca60621d84e004b078beb7.dll

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

Network

Country Destination Domain Proto
US 65.152.201.203:443 tcp
BR 179.189.229.254:443 tcp
MY 60.51.47.65:443 tcp
AL 46.99.188.223:443 tcp
AL 46.99.175.149:443 tcp
ID 103.105.254.17:443 tcp
US 45.36.99.184:443 tcp
BR 128.201.76.252:443 tcp

Files

memory/2576-1-0x0000000000260000-0x00000000002A5000-memory.dmp

memory/2576-0-0x0000000002320000-0x0000000002588000-memory.dmp

memory/2576-2-0x0000000010000000-0x0000000010003000-memory.dmp

memory/1524-3-0x0000000000060000-0x0000000000089000-memory.dmp

memory/1524-4-0x0000000000110000-0x0000000000111000-memory.dmp

memory/2576-5-0x0000000000260000-0x00000000002A5000-memory.dmp

memory/2576-6-0x0000000010000000-0x0000000010003000-memory.dmp

memory/1524-7-0x0000000000060000-0x0000000000089000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-31 11:19

Reported

2024-08-31 11:22

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7a297e62cd649ae1763acd89bcf2135eebf6b3a910ca60621d84e004b078beb7.dll

Signatures

Trickbot

trojan banker trickbot

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\regsvr32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7a297e62cd649ae1763acd89bcf2135eebf6b3a910ca60621d84e004b078beb7.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\7a297e62cd649ae1763acd89bcf2135eebf6b3a910ca60621d84e004b078beb7.dll

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 468 -ip 468

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 652

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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 65.152.201.203:443 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 34.56.20.217.in-addr.arpa udp
PL 185.56.175.122:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
ES 62.99.79.77:443 tcp
AL 46.99.188.223:443 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
BR 128.201.76.252:443 tcp
AL 46.99.175.217:443 tcp
US 216.166.148.187:443 tcp
US 8.8.8.8:53 67.112.168.52.in-addr.arpa udp

Files

memory/468-0-0x0000000002460000-0x00000000026C8000-memory.dmp

memory/468-1-0x0000000000C30000-0x0000000000C75000-memory.dmp

memory/468-3-0x0000000010000000-0x0000000010003000-memory.dmp

memory/468-2-0x0000000000C90000-0x0000000000C91000-memory.dmp

memory/2736-5-0x000001A0C4A60000-0x000001A0C4A89000-memory.dmp

memory/2736-4-0x000001A0C4BC0000-0x000001A0C4BC1000-memory.dmp

memory/468-6-0x0000000000C30000-0x0000000000C75000-memory.dmp