trickbot | 468cd4b5d89425cd29bb028696804ed339eb2c0c37b010b62442fbb5a8f778ba

General

Target

c527325d_by_Libranalysis.xls
Size

277KB
MD5

c527325d4d0b51734637b5344a3df760
SHA1

f71b0baa85537ec1709701f39e8e9fd95f9b3d62
SHA256

468cd4b5d89425cd29bb028696804ed339eb2c0c37b010b62442fbb5a8f778ba
SHA512

074cfe3ecc88e982a704e979a3d63a7c286a30c8656dc71cf528336c7862090cdd134ebf641d336b0b7b6092838b007649bead23fe4cc1039a0a5611dc61f18c

Score

10^/10

trickbot net15 banker trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://koneckotechnology.com/netmons.dll

Extracted

Family

trickbot

Version

2000029

Botnet

net15

C2

103.66.72.217:443

117.252.68.211:443

103.124.173.35:443

115.73.211.230:443

117.54.250.246:443

131.0.112.122:443

102.176.221.78:443

181.176.161.143:443

154.79.251.172:443

103.111.199.76:443

103.54.41.193:443

154.79.244.182:443

154.79.245.158:443

139.255.116.42:443

178.254.161.250:443

178.134.47.166:443

158.181.179.229:443

103.90.197.33:443

109.207.165.40:443

178.72.192.20:443

Attributes

autorun
Name:pwgrabb
Name:pwgrabc

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	572	484	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/572-66-0x0000000000280000-0x00000000002B9000-memory.dmp	templ_dll
behavioral1/memory/572-69-0x00000000003B0000-0x00000000003E7000-memory.dmp	templ_dll
behavioral1/memory/572-71-0x0000000000150000-0x0000000000186000-memory.dmp	templ_dll

Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

572 rundll32.exe
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
572	rundll32.exe

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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

484 EXCEL.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

EXCEL.EXE

pid process

484 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 432 wermgr.exe
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

EXCEL.EXE

pid process

484 EXCEL.EXE
484 EXCEL.EXE
484 EXCEL.EXE
484 EXCEL.EXE
484 EXCEL.EXE
484 EXCEL.EXE
484 EXCEL.EXE
484 EXCEL.EXE
484 EXCEL.EXE

pid	process
484	EXCEL.EXE

pid	process
484	EXCEL.EXE

description	pid	process
Token: SeDebugPrivilege	432	wermgr.exe

pid	process
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE
484	EXCEL.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

EXCEL.EXErundll32.exe

description	pid	process	target process
PID 484 wrote to memory of 572	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 572	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 572	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 572	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 572	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 572	484	EXCEL.EXE	rundll32.exe
PID 484 wrote to memory of 572	484	EXCEL.EXE	rundll32.exe
PID 572 wrote to memory of 432	572	rundll32.exe	wermgr.exe
PID 572 wrote to memory of 432	572	rundll32.exe	wermgr.exe
PID 572 wrote to memory of 432	572	rundll32.exe	wermgr.exe
PID 572 wrote to memory of 432	572	rundll32.exe	wermgr.exe
PID 572 wrote to memory of 432	572	rundll32.exe	wermgr.exe
PID 572 wrote to memory of 432	572	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\c527325d_by_Libranalysis.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:484

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\hsdksksk.iem,StartW
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:572

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:432

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\hsdksksk.iem
MD5
3bb9fe6b7e6b4d9c3a3c83de6aacd952

SHA1
57c343ae5e95fe702b759737522e85fe9e97fe5e

SHA256
697dea4b154178e8de096c66167b539aa4465155d294b11765f1a1886eb7c56d

SHA512
1e98417c6c48e0bf405ae5feda4193c91a3b385f387f33d79fba3dc6f7aa7571444885e6628b7ca6075887bfbec3bd17e0782c11a1c45a7d4b1a139849ca4df0

Download Submit
\Users\Admin\hsdksksk.iem
MD5
3bb9fe6b7e6b4d9c3a3c83de6aacd952

SHA1
57c343ae5e95fe702b759737522e85fe9e97fe5e

SHA256
697dea4b154178e8de096c66167b539aa4465155d294b11765f1a1886eb7c56d

SHA512
1e98417c6c48e0bf405ae5feda4193c91a3b385f387f33d79fba3dc6f7aa7571444885e6628b7ca6075887bfbec3bd17e0782c11a1c45a7d4b1a139849ca4df0

Download Submit
memory/432-72-0x0000000000000000-mapping.dmp

Download
memory/432-77-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download
memory/432-76-0x0000000000060000-0x0000000000088000-memory.dmp

Filesize
160KB

Download
memory/484-60-0x0000000071521000-0x0000000071523000-memory.dmp

Filesize
8KB

Download
memory/484-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/484-59-0x000000002F101000-0x000000002F104000-memory.dmp

Filesize
12KB

Download
memory/572-63-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/572-71-0x0000000000150000-0x0000000000186000-memory.dmp

Filesize
216KB

Download
memory/572-69-0x00000000003B0000-0x00000000003E7000-memory.dmp

Filesize
220KB

Download
memory/572-73-0x0000000000B90000-0x0000000000BD3000-memory.dmp

Filesize
268KB

Download
memory/572-66-0x0000000000280000-0x00000000002B9000-memory.dmp

Filesize
228KB

Download
memory/572-75-0x0000000000221000-0x0000000000223000-memory.dmp

Filesize
8KB

Download
memory/572-62-0x0000000000000000-mapping.dmp

Download
memory/572-74-0x00000000002C0000-0x00000000002D1000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads