trickbot | 852df49eddcced4bfeb403ef5705c9c559e72999f0830447e7c9d51d8437a4e0

Analysis

max time kernel
146s
max time network
149s
platform
windows10_x64
resource
win10v200430
submitted
09-07-2020 19:01

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General

Target

update.dll
Size

687KB
MD5

83fb9b3ce69bb443ba223dd6618e62a0
SHA1

d67dade16a6302c02845c750d570716dd887dac3
SHA256

852df49eddcced4bfeb403ef5705c9c559e72999f0830447e7c9d51d8437a4e0
SHA512

6b3678905438e8ac48d632ad905e3e1600ed3441f9df1910202ee4a148edd19860880de87cc9065d41261cffee1fee5d6a49f03e65549f6be94daef33e80f14b

Score

10^/10

spyware trojan banker trickbot

Malware Config

Extracted

Family

trickbot

Version

1000512

Botnet

chil63

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

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 1628 wrote to memory of 1720	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 1720	1628	rundll32.exe	rundll32.exe
PID 1628 wrote to memory of 1720	1628	rundll32.exe	rundll32.exe
PID 1720 wrote to memory of 1980	1720	rundll32.exe	wermgr.exe
PID 1720 wrote to memory of 1980	1720	rundll32.exe	wermgr.exe
PID 1720 wrote to memory of 1980	1720	rundll32.exe	wermgr.exe
PID 1720 wrote to memory of 1980	1720	rundll32.exe	wermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 1980 wermgr.exe
Token: SeDebugPrivilege 1980 wermgr.exe
Token: SeDebugPrivilege 1980 wermgr.exe

description	pid	process
Token: SeDebugPrivilege	1980	wermgr.exe
Token: SeDebugPrivilege	1980	wermgr.exe
Token: SeDebugPrivilege	1980	wermgr.exe

Templ.dll packer 2 IoCs

Detects Templ.dll packer which usually loads Trickbot.

Processes:

resource	yara_rule
behavioral2/memory/1720-1-0x0000000000C30000-0x0000000000C5E000-memory.dmp	templ_dll
behavioral2/memory/1720-2-0x0000000010000000-0x000000001002D000-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

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\update.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1628

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\update.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1720

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1980

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1720-0-0x0000000000000000-mapping.dmp

Download
memory/1720-1-0x0000000000C30000-0x0000000000C5E000-memory.dmp

Filesize
184KB

Download
memory/1720-2-0x0000000010000000-0x000000001002D000-memory.dmp

Filesize
180KB

Download
memory/1980-3-0x0000000000000000-mapping.dmp

Download