trickbot | f48b5a16d06fa9329c226e3912759867cbfceb1d3d566eaf846f5e7695a6f59c

General

Target

GFT_1802927270_483949076.xls
Size

188KB
MD5

731d8925af3f5e5a16b455b852a4d5e7
SHA1

463bff469a9076bf8d2a303b2abdd764887509f1
SHA256

f48b5a16d06fa9329c226e3912759867cbfceb1d3d566eaf846f5e7695a6f59c
SHA512

1459334a822c9758e994e8f17fb51a92c3258bd45ea1fdc1ba6d3b5fb2db46d903038d7273cec2f3ddf6bf9aa13c02f5537f60d4e6bb2963239754f69df11773

Score

10^/10

trickbot rob70 banker trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://davidachim.com/wpold/document.php

Extracted

Family

trickbot

Version

100013

Botnet

rob70

C2

103.225.138.94:449

122.2.28.70:449

123.200.26.246:449

131.255.106.152:449

142.112.79.223:449

154.126.176.30:449

180.92.238.186:449

187.20.217.129:449

201.20.118.122:449

202.91.41.138:449

95.210.118.90:449

Attributes

autorun
Name:pwgrab

ecc_pubkey.base64

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1460	1152	rundll32.exe	EXCEL.EXE

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
behavioral1/memory/1460-10-0x0000000000290000-0x00000000002C9000-memory.dmp	templ_dll
behavioral1/memory/1460-11-0x0000000000330000-0x0000000000367000-memory.dmp	templ_dll
behavioral1/memory/1460-12-0x0000000000120000-0x0000000000156000-memory.dmp	templ_dll

Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

1460 rundll32.exe
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

11 ip.anysrc.net
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

pid	process
1460	rundll32.exe

flow	ioc
11	ip.anysrc.net

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1152 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 1812 wermgr.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1152 EXCEL.EXE
1152 EXCEL.EXE
1152 EXCEL.EXE

pid	process
1152	EXCEL.EXE

description	pid	process
Token: SeDebugPrivilege	1812	wermgr.exe

pid	process
1152	EXCEL.EXE
1152	EXCEL.EXE
1152	EXCEL.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

EXCEL.EXErundll32.exe

description	pid	process	target process
PID 1152 wrote to memory of 1460	1152	EXCEL.EXE	rundll32.exe
PID 1152 wrote to memory of 1460	1152	EXCEL.EXE	rundll32.exe
PID 1152 wrote to memory of 1460	1152	EXCEL.EXE	rundll32.exe
PID 1152 wrote to memory of 1460	1152	EXCEL.EXE	rundll32.exe
PID 1152 wrote to memory of 1460	1152	EXCEL.EXE	rundll32.exe
PID 1152 wrote to memory of 1460	1152	EXCEL.EXE	rundll32.exe
PID 1152 wrote to memory of 1460	1152	EXCEL.EXE	rundll32.exe
PID 1460 wrote to memory of 1648	1460	rundll32.exe	wermgr.exe
PID 1460 wrote to memory of 1648	1460	rundll32.exe	wermgr.exe
PID 1460 wrote to memory of 1648	1460	rundll32.exe	wermgr.exe
PID 1460 wrote to memory of 1648	1460	rundll32.exe	wermgr.exe
PID 1460 wrote to memory of 1812	1460	rundll32.exe	wermgr.exe
PID 1460 wrote to memory of 1812	1460	rundll32.exe	wermgr.exe
PID 1460 wrote to memory of 1812	1460	rundll32.exe	wermgr.exe
PID 1460 wrote to memory of 1812	1460	rundll32.exe	wermgr.exe
PID 1460 wrote to memory of 1812	1460	rundll32.exe	wermgr.exe
PID 1460 wrote to memory of 1812	1460	rundll32.exe	wermgr.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\GFT_1802927270_483949076.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1152

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Frost.bitte,DllRegisterServer1
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
PID:1648

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1812

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Frost.bitte
MD5
12415ac367fed2398dc236c7b0838f4a

SHA1
b8b82548d38ca7c4e3fe869c354c19a235c73a8b

SHA256
b1059d3901d7ddbd8bae644b5c5293579fa6f52eb67949d0f259f414ddb48881

SHA512
80ed2691c4812265389fa9b3e2794f8cf930f2d520aaf8a865e96fd7a8285b5091550e555f86a15515cdd1734cd4d61f215d538462d1ef9dea488c7f6031d194

Download Submit
\Users\Admin\Frost.bitte
MD5
12415ac367fed2398dc236c7b0838f4a

SHA1
b8b82548d38ca7c4e3fe869c354c19a235c73a8b

SHA256
b1059d3901d7ddbd8bae644b5c5293579fa6f52eb67949d0f259f414ddb48881

SHA512
80ed2691c4812265389fa9b3e2794f8cf930f2d520aaf8a865e96fd7a8285b5091550e555f86a15515cdd1734cd4d61f215d538462d1ef9dea488c7f6031d194

Download Submit
memory/1152-3-0x0000000071191000-0x0000000071193000-memory.dmp

Filesize
8KB

Download
memory/1152-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1152-2-0x000000002FDF1000-0x000000002FDF4000-memory.dmp

Filesize
12KB

Download
memory/1460-10-0x0000000000290000-0x00000000002C9000-memory.dmp

Filesize
228KB

Download
memory/1460-7-0x00000000760C1000-0x00000000760C3000-memory.dmp

Filesize
8KB

Download
memory/1460-6-0x0000000000000000-mapping.dmp

Download
memory/1460-11-0x0000000000330000-0x0000000000367000-memory.dmp

Filesize
220KB

Download
memory/1460-12-0x0000000000120000-0x0000000000156000-memory.dmp

Filesize
216KB

Download
memory/1460-14-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

Download
memory/1460-17-0x00000000002E1000-0x00000000002E3000-memory.dmp

Filesize
8KB

Download
memory/1460-16-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/1460-15-0x0000000000530000-0x0000000000573000-memory.dmp

Filesize
268KB

Download
memory/1812-13-0x0000000000000000-mapping.dmp

Download
memory/1812-19-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/1812-18-0x0000000000060000-0x0000000000088000-memory.dmp

Filesize
160KB

Download
memory/1964-5-0x000007FEF72E0000-0x000007FEF755A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads