trickbot | 36a3edc08009fefa694124a1b09f45657496f8a1e6c0c009093f134632c27e98 | Triage

Analysis

max time kernel
25s
max time network
110s
platform
windows10_x64
resource
win10v20201028
submitted
27-02-2021 08:55

Sharing

Report Analysis Logs

General

Target

m87.dll
Size

901KB
MD5

d48404abfb5c8a7bac7f9f619da899e9
SHA1

05acc14a076af1e2696faa5fa4e32778e55ec27f
SHA256

36a3edc08009fefa694124a1b09f45657496f8a1e6c0c009093f134632c27e98
SHA512

aad2610a41f7293133ecccc6b25a2c020c5def3356e09634e1cec77581496befb997fd8d9e6e0e37db8b9177a4542bfbfcdda9e2c30ec215f5cb50da0dcdd6ce

Score

10^/10

trickbot banker trojan

Malware Config

Signatures

Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot

Templ.dll packer 1 IoCs

Detects Templ.dll packer which usually loads Trickbot.

Processes:

resource	yara_rule
behavioral2/memory/1892-3-0x00000000004D0000-0x0000000000507000-memory.dmp	templ_dll

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2144 1892 WerFault.exe regsvr32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe
2144	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2144 WerFault.exe
Token: SeBackupPrivilege 2144 WerFault.exe
Token: SeDebugPrivilege 2144 WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 540 wrote to memory of 1892	540	regsvr32.exe	regsvr32.exe
PID 540 wrote to memory of 1892	540	regsvr32.exe	regsvr32.exe
PID 540 wrote to memory of 1892	540	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\m87.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:540

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\m87.dll
2⤵
PID:1892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1892 -s 620
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2144

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1892-2-0x0000000000000000-mapping.dmp

Download
memory/1892-3-0x00000000004D0000-0x0000000000507000-memory.dmp

Filesize
220KB

Download
memory/1892-5-0x0000000000510000-0x0000000000553000-memory.dmp

Filesize
268KB

Download
memory/2144-4-0x0000000004990000-0x0000000004991000-memory.dmp

Filesize
4KB

Download
memory/2144-6-0x0000000004D90000-0x0000000004D91000-memory.dmp

Filesize
4KB

Download