trickbot | 93e1baebf82c1625c485ed10d8ecc12624ef48765132e6c9ddb1ae0557e61585

General

Target

details.07.21.doc
Size

87KB
MD5

7bffd29ad113d483f6d761e669e6bcf3
SHA1

7ab23606fcd7ebb6e8b6b114c2364fe13cf69c99
SHA256

93e1baebf82c1625c485ed10d8ecc12624ef48765132e6c9ddb1ae0557e61585
SHA512

2a7461404023519b1d412f2b18f320c7f107374662b0f3be9cf312c70250825ebb58fab1173b0249c35cfc327d1d18801d4b6b2f2b82541c96622b2c3ee2dcb4

Score

10^/10

trickbot zev1 banker trojan

Malware Config

Extracted

Family

trickbot

Version

2000031

Botnet

zev1

C2

14.232.161.45:443

118.173.233.64:443

41.57.156.203:443

45.239.234.2:443

45.201.136.3:443

177.10.90.29:443

185.17.105.236:443

91.237.161.87:443

185.189.55.207:443

186.225.119.170:443

143.0.208.20:443

222.124.16.74:443

220.82.64.198:443

200.236.218.62:443

178.216.28.59:443

45.239.233.131:443

196.216.59.174:443

119.202.8.249:443

82.159.149.37:443

49.248.217.170:443

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:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process	336	2040	cmd.exe	WINWORD.EXE

Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot
Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

6 800 mshta.exe
Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

1392 regsvr32.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

13 icanhazip.com
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Office loads VBA resources, possible macro or embedded object present

flow	pid	process
6	800	mshta.exe

pid	process
1392	regsvr32.exe

flow	ioc
13	icanhazip.com

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

Modifies Internet Explorer settings 1 TTPs 10 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXEmshta.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.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"	WINWORD.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"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.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"	WINWORD.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"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2040 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wermgr.exe

description pid process

Token: SeDebugPrivilege 1068 wermgr.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2040 WINWORD.EXE
2040 WINWORD.EXE

pid	process
2040	WINWORD.EXE

description	pid	process
Token: SeDebugPrivilege	1068	wermgr.exe

pid	process
2040	WINWORD.EXE
2040	WINWORD.EXE

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

WINWORD.EXEcmd.exemshta.exeregsvr32.exe

description	pid	process	target process
PID 2040 wrote to memory of 336	2040	WINWORD.EXE	cmd.exe
PID 2040 wrote to memory of 336	2040	WINWORD.EXE	cmd.exe
PID 2040 wrote to memory of 336	2040	WINWORD.EXE	cmd.exe
PID 2040 wrote to memory of 336	2040	WINWORD.EXE	cmd.exe
PID 336 wrote to memory of 800	336	cmd.exe	mshta.exe
PID 336 wrote to memory of 800	336	cmd.exe	mshta.exe
PID 336 wrote to memory of 800	336	cmd.exe	mshta.exe
PID 336 wrote to memory of 800	336	cmd.exe	mshta.exe
PID 800 wrote to memory of 1392	800	mshta.exe	regsvr32.exe
PID 800 wrote to memory of 1392	800	mshta.exe	regsvr32.exe
PID 800 wrote to memory of 1392	800	mshta.exe	regsvr32.exe
PID 800 wrote to memory of 1392	800	mshta.exe	regsvr32.exe
PID 800 wrote to memory of 1392	800	mshta.exe	regsvr32.exe
PID 800 wrote to memory of 1392	800	mshta.exe	regsvr32.exe
PID 800 wrote to memory of 1392	800	mshta.exe	regsvr32.exe
PID 1392 wrote to memory of 1068	1392	regsvr32.exe	wermgr.exe
PID 1392 wrote to memory of 1068	1392	regsvr32.exe	wermgr.exe
PID 1392 wrote to memory of 1068	1392	regsvr32.exe	wermgr.exe
PID 1392 wrote to memory of 1068	1392	regsvr32.exe	wermgr.exe
PID 1392 wrote to memory of 1068	1392	regsvr32.exe	wermgr.exe
PID 1392 wrote to memory of 1068	1392	regsvr32.exe	wermgr.exe
PID 2040 wrote to memory of 1712	2040	WINWORD.EXE	splwow64.exe
PID 2040 wrote to memory of 1712	2040	WINWORD.EXE	splwow64.exe
PID 2040 wrote to memory of 1712	2040	WINWORD.EXE	splwow64.exe
PID 2040 wrote to memory of 1712	2040	WINWORD.EXE	splwow64.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\details.07.21.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\cmd.exe
cmd /c c:\programdata\optFunctionL.hta
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:336

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\programdata\optFunctionL.hta"
3⤵
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:800

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" c:\users\public\optFunctionL.jpg
4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1392

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1068

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1712

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\programdata\optFunctionL.hta
MD5
7e4c08c67d6976e8fd018030f37b9b85

SHA1
49ab332d2555d82525c3436380dccaf1c00df6cb

SHA256
73e7584e37081c6779565700d662c885d0e708c6ab235b57e7e4a78fad223a83

SHA512
e48c65afc331390a8c7c37b2886a555aeb047f556c40c3bee1cd933f7097ce615962ef20730e5c6bdad2b6b591ccad8cc72e3a36e03cd9e69f8de44900bede38

Download Submit
\??\c:\users\public\optFunctionL.jpg
MD5
c69312ce1e278c8699a98ff0af026aa8

SHA1
c0b30f3d610df9d204079be4a9d10a0dfb42d008

SHA256
4290a6015acdf219e14973592774e8771bd231e1561f3c400081fb9a8f8d5047

SHA512
9dd7478252e763f62e9b3960bde10f691a18008db4cea73dd7efe3ea82e240677fc566b75c61743cc0d9f4bfeaedc4bddeb266a48bff99b611aeee8594d90f15

Download Submit
\Users\Public\optFunctionL.jpg
MD5
c69312ce1e278c8699a98ff0af026aa8

SHA1
c0b30f3d610df9d204079be4a9d10a0dfb42d008

SHA256
4290a6015acdf219e14973592774e8771bd231e1561f3c400081fb9a8f8d5047

SHA512
9dd7478252e763f62e9b3960bde10f691a18008db4cea73dd7efe3ea82e240677fc566b75c61743cc0d9f4bfeaedc4bddeb266a48bff99b611aeee8594d90f15

Download Submit
memory/336-63-0x0000000000000000-mapping.dmp

Download
memory/800-66-0x0000000000000000-mapping.dmp

Download
memory/1068-84-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/1068-83-0x0000000000060000-0x0000000000088000-memory.dmp

Filesize
160KB

Download
memory/1068-82-0x0000000000000000-mapping.dmp

Download
memory/1392-71-0x0000000000710000-0x000000000074B000-memory.dmp

Filesize
236KB

Download
memory/1392-79-0x0000000000AF0000-0x0000000000B33000-memory.dmp

Filesize
268KB

Download
memory/1392-81-0x0000000000211000-0x0000000000213000-memory.dmp

Filesize
8KB

Download
memory/1392-74-0x0000000000A50000-0x0000000000A89000-memory.dmp

Filesize
228KB

Download
memory/1392-76-0x0000000000AB0000-0x0000000000AE7000-memory.dmp

Filesize
220KB

Download
memory/1392-78-0x00000000001A0000-0x00000000001D8000-memory.dmp

Filesize
224KB

Download
memory/1392-80-0x0000000000750000-0x0000000000761000-memory.dmp

Filesize
68KB

Download
memory/1392-67-0x0000000000000000-mapping.dmp

Download
memory/1712-85-0x0000000000000000-mapping.dmp

Download
memory/1712-86-0x000007FEFB931000-0x000007FEFB933000-memory.dmp

Filesize
8KB

Download
memory/2040-59-0x0000000072291000-0x0000000072294000-memory.dmp

Filesize
12KB

Download
memory/2040-62-0x0000000075D41000-0x0000000075D43000-memory.dmp

Filesize
8KB

Download
memory/2040-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2040-60-0x000000006FD11000-0x000000006FD13000-memory.dmp

Filesize
8KB

Download
memory/2040-87-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads