trickbot | c7186def2bb6152289700ba76f681460138d28885aaad97ad3fdb7023be57bdf

Analysis

max time kernel
135s
max time network
136s
platform
windows10_x64
resource
win10v20201028
submitted
26-02-2021 10:58

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General

Target

mon81.dll
Size

469KB
MD5

b01f4d6e58860cbfbad674024ae98af0
SHA1

93919c4013bb080986a298e589729437751c0514
SHA256

c7186def2bb6152289700ba76f681460138d28885aaad97ad3fdb7023be57bdf
SHA512

19530c658c87d45355019bcd3acbefce0864ece679a6c7fb964136f01cb42d252ee21501feb49a76dd6c09d868eeb3f1a220a88180412db51bb8bc57a3c0daf1

Score

10^/10

trickbot mon81 banker trojan

Malware Config

Extracted

Family

trickbot

Version

100012

Botnet

mon81

41.77.134.250:449

45.155.173.242:443

192.162.238.186:449

142.112.79.223:449

122.2.28.70:449

154.126.176.30:449

45.230.244.20:443

182.253.107.34:443

200.52.147.93:443

123.200.26.246:449

131.255.106.152:449

177.85.133.118:449

103.225.138.94:449

142.202.191.164:443

95.210.118.90:449

36.94.62.207:443

201.20.118.122:449

180.92.238.186:449

103.130.6.244:449

202.91.41.138:449

Attributes

autorun
Name:pwgrab

ecc_pubkey.base64

Signatures

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

Templ.dll packer 3 IoCs

Detects Templ.dll packer which usually loads Trickbot.

Processes:

resource	yara_rule
behavioral2/memory/1388-3-0x0000000004540000-0x0000000004579000-memory.dmp	templ_dll
behavioral2/memory/1388-4-0x0000000010000000-0x0000000010037000-memory.dmp	templ_dll
behavioral2/memory/1388-5-0x00000000041A0000-0x00000000041D6000-memory.dmp	templ_dll

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

968 1388 WerFault.exe regsvr32.exe

pid	pid_target	process	target process
968	1388	WerFault.exe	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
968	WerFault.exe
968	WerFault.exe
968	WerFault.exe
968	WerFault.exe
968	WerFault.exe
968	WerFault.exe
968	WerFault.exe
968	WerFault.exe
968	WerFault.exe
968	WerFault.exe
968	WerFault.exe
968	WerFault.exe
968	WerFault.exe
968	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 968 WerFault.exe
Token: SeBackupPrivilege 968 WerFault.exe
Token: SeDebugPrivilege 968 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	968	WerFault.exe
Token: SeBackupPrivilege	968	WerFault.exe
Token: SeDebugPrivilege	968	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 1036 wrote to memory of 1388	1036	regsvr32.exe	regsvr32.exe
PID 1036 wrote to memory of 1388	1036	regsvr32.exe	regsvr32.exe
PID 1036 wrote to memory of 1388	1036	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\mon81.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1036

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\mon81.dll
2⤵
PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 720
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:968

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/968-7-0x00000000044B0000-0x00000000044B1000-memory.dmp

Filesize
4KB

Download
memory/1388-2-0x0000000000000000-mapping.dmp

Download
memory/1388-3-0x0000000004540000-0x0000000004579000-memory.dmp

Filesize
228KB

Download
memory/1388-4-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

Download
memory/1388-5-0x00000000041A0000-0x00000000041D6000-memory.dmp

Filesize
216KB

Download
memory/1388-6-0x0000000004580000-0x00000000045C1000-memory.dmp

Filesize
260KB

Download