trickbot | f6e6dd99805f5762245b3730297962b52fe32370ed6a60ddf8b7b661cc881764

Analysis

max time kernel
141s
max time network
149s
platform
windows10_x64
resource
win10v200430
submitted
29-06-2020 18:23

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General

Target

update.dll
Size

548KB
MD5

772e8bc6862c8320e9bcd0d66422aa9a
SHA1

8aff0e99443e525beda2ee24ee1cedd3e2d31abb
SHA256

f6e6dd99805f5762245b3730297962b52fe32370ed6a60ddf8b7b661cc881764
SHA512

181cc8a5c104999aedaa0596daa137306828fc83f1605775688b2be1cf3505da4ae7f95d858c8c585f92c740df9e803dab44454ed5d8b2455291fe3baf55c100

Score

10^/10

spyware trojan banker trickbot

Malware Config

Extracted

Family

trickbot

Version

1000512

Botnet

chil50

95.171.16.42:443

185.90.61.9:443

5.1.81.68:443

185.99.2.65:443

134.119.191.11:443

85.204.116.100:443

78.108.216.47:443

51.81.112.144:443

194.5.250.121:443

185.14.31.104:443

185.99.2.66:443

107.175.72.141:443

192.3.247.123:443

134.119.191.21:443

85.204.116.216:443

91.235.129.20:443

181.129.104.139:449

181.112.157.42:449

181.129.134.18:449

131.161.253.190:449

Attributes

autorun
Name:pwgrab

ecc_pubkey.base64

Signatures

Templ.dll packer 2 IoCs

Detects Templ.dll packer which usually loads Trickbot.

Processes:

resource	yara_rule
behavioral2/memory/1712-1-0x0000000000C90000-0x0000000000CBE000-memory.dmp	templ_dll
behavioral2/memory/1712-2-0x0000000000CC0000-0x0000000000CED000-memory.dmp	templ_dll

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1632 wrote to memory of 1712	1632	rundll32.exe	rundll32.exe
PID 1632 wrote to memory of 1712	1632	rundll32.exe	rundll32.exe
PID 1632 wrote to memory of 1712	1632	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 952	1712	rundll32.exe	wermgr.exe
PID 1712 wrote to memory of 952	1712	rundll32.exe	wermgr.exe
PID 1712 wrote to memory of 952	1712	rundll32.exe	wermgr.exe
PID 1712 wrote to memory of 952	1712	rundll32.exe	wermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 952 wermgr.exe
Token: SeDebugPrivilege 952 wermgr.exe
Token: SeDebugPrivilege 952 wermgr.exe

description	pid	process
Token: SeDebugPrivilege	952	wermgr.exe
Token: SeDebugPrivilege	952	wermgr.exe
Token: SeDebugPrivilege	952	wermgr.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\update.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\update.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1712

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:952

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/952-3-0x0000000000000000-mapping.dmp

Download
memory/1712-0-0x0000000000000000-mapping.dmp

Download
memory/1712-1-0x0000000000C90000-0x0000000000CBE000-memory.dmp

Filesize
184KB

Download
memory/1712-2-0x0000000000CC0000-0x0000000000CED000-memory.dmp

Filesize
180KB

Download