trickbot | e1b67bd8b15bcd422fcbc74fa3b691c40c527ffedc951a6bb8e67ca257240d16

Analysis

max time kernel
69s
max time network
139s
platform
windows10_x64
resource
win10v20201028
submitted
17/02/2021, 17:42

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General

Target
supportdoc.xxls.dll
Size 682KB
Sample210217-7jtrvf5mcn
SHA256 e1b67bd8b15bcd422fcbc74fa3b691c40c527ffedc951a6bb8e67ca257240d16
MD5 5ed8ba344e7e14a158994bccc1d96882
SHA1 97161441a9e2eb5b740ba25aea3b002b196baa13
SHA512 8950b81cf9fbff9c3ea3e6b30ca098238045f8d111fef58cd9b3ea51d3962b1228a344ab0837a8b96e40870f6e5205c0389b4e0c974d8ac7eecf447ed56318c3
MD5 SHA1 SHA512

Score

10^/10

trickbot rob13 banker trojan

Malware Config

Extracted

Family

trickbot

Version

2000025

Botnet

rob13

134.119.186.200:443
45.14.226.115:443
85.204.116.134:443
45.89.127.240:443
195.123.241.195:443
188.34.142.248:443
185.234.72.84:443
108.170.20.72:443
94.158.245.54:443
134.119.186.201:443
45.83.129.224:443
85.93.159.98:449
92.242.214.203:449
202.21.103.194:449
169.239.45.42:449
45.234.248.66:449
103.91.244.102:449
118.67.216.238:449
117.212.193.62:449
201.184.190.59:449
103.29.185.138:449
79.122.166.236:449
37.143.150.186:449
179.191.108.58:449
85.159.214.61:443
149.56.80.31:443

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 1 IoCs

Detects Templ.dll packer which usually loads Trickbot.

resource	yara_rule
behavioral2/memory/1188-3-0x00000000042E0000-0x0000000004317000-memory.dmp	templ_dll

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
21	ident.me
22	ident.me

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3888	wermgr.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 1188	1036	rundll32.exe	44
PID 1036 wrote to memory of 1188	1036	rundll32.exe	44
PID 1036 wrote to memory of 1188	1036	rundll32.exe	44
PID 1188 wrote to memory of 3888	1188	rundll32.exe	79
PID 1188 wrote to memory of 3888	1188	rundll32.exe	79
PID 1188 wrote to memory of 3888	1188	rundll32.exe	79
PID 1188 wrote to memory of 3888	1188	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\supportdoc.xxls.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\supportdoc.xxls.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1188
- - C:\Windows\system32\wermgr.exe
    C:\Windows\system32\wermgr.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3888

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1188-3-0x00000000042E0000-0x0000000004317000-memory.dmp

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memory/1188-6-0x0000000002A20000-0x0000000002A21000-memory.dmp

Download

memory/1188-5-0x0000000004330000-0x0000000004371000-memory.dmp

Download

memory/1188-7-0x0000000010001000-0x0000000010003000-memory.dmp

Download

memory/3888-8-0x0000025140D60000-0x0000025140D87000-memory.dmp

Download

memory/3888-9-0x0000025140E70000-0x0000025140E71000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads