trickbot | 3611be7ee60f1adb4a14f2d5d307d7375fb8a9013d0ae24af5e639bcc524a595

Analysis

max time kernel
136s
max time network
136s
platform
windows10_x64
resource
win10v200430
submitted
12-07-2020 17:57

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General

Target

CHIL65GHFR.dll
Size

360KB
MD5

2339e18e251bd2a064cf357761f3dd20
SHA1

8696b328a0b7c630848ffadd8d5bffa8ad476c84
SHA256

3611be7ee60f1adb4a14f2d5d307d7375fb8a9013d0ae24af5e639bcc524a595
SHA512

1b598343dad1094772c6cb3aa843b11da117fbd2ccbd9d2bb51a81a19f5bd3144ea06404ab8e7f7839e6a4838d9a86e0e701f0f9795f00e5f21390268d28994a

Score

10^/10

spyware trojan banker trickbot

Malware Config

Extracted

Family

trickbot

Version

1000512

Botnet

chil65

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2804 wrote to memory of 812	2804	rundll32.exe	rundll32.exe
PID 2804 wrote to memory of 812	2804	rundll32.exe	rundll32.exe
PID 2804 wrote to memory of 812	2804	rundll32.exe	rundll32.exe
PID 812 wrote to memory of 1420	812	rundll32.exe	wermgr.exe
PID 812 wrote to memory of 1420	812	rundll32.exe	wermgr.exe
PID 812 wrote to memory of 1420	812	rundll32.exe	wermgr.exe
PID 812 wrote to memory of 1420	812	rundll32.exe	wermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 1420 wermgr.exe
Token: SeDebugPrivilege 1420 wermgr.exe
Token: SeDebugPrivilege 1420 wermgr.exe

description	pid	process
Token: SeDebugPrivilege	1420	wermgr.exe
Token: SeDebugPrivilege	1420	wermgr.exe
Token: SeDebugPrivilege	1420	wermgr.exe

Templ.dll packer 2 IoCs

Detects Templ.dll packer which usually loads Trickbot.

Processes:

resource	yara_rule
behavioral2/memory/812-1-0x00000000045A0000-0x00000000045CE000-memory.dmp	templ_dll
behavioral2/memory/812-2-0x00000000045D0000-0x00000000045FD000-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
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

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

flow	ioc
10	ipecho.net

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CHIL65GHFR.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2804

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CHIL65GHFR.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:812

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1420

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/812-0-0x0000000000000000-mapping.dmp

Download
memory/812-1-0x00000000045A0000-0x00000000045CE000-memory.dmp

Filesize
184KB

Download
memory/812-2-0x00000000045D0000-0x00000000045FD000-memory.dmp

Filesize
180KB

Download
memory/1420-3-0x0000000000000000-mapping.dmp

Download