trickbot | 25078d9e4b0f4b5aedc10cb63e943089c57154da08b1e8684c9b3eef54774b70

General

Target

question_07.08.2021.doc
Size

55KB
MD5

e5e32451730716ed5b0bf3f4d797a262
SHA1

17f6668019bc20bfab048d6167ee0efb75db2984
SHA256

25078d9e4b0f4b5aedc10cb63e943089c57154da08b1e8684c9b3eef54774b70
SHA512

11c42bbd3153312a489a63e1dd53fcd0f67430976dda7fc64ce69c161fae680911475e379bbbb444b44d591ddb8f82e66f5dd7cb8fa7a03b07cda3f161cccf4b

Score

10^/10

trickbot zev1 banker spyware stealer 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:

scriptrunner.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	3996	992	scriptrunner.exe	WINWORD.EXE

Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot
Blocklisted process makes network request 5 IoCs

Processes:

WScript.execmd.execmd.exe

flow pid process

16 1684 WScript.exe
50 2344 cmd.exe
51 2344 cmd.exe
52 2344 cmd.exe
56 3884 cmd.exe
Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

1996 regsvr32.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

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

33 ipinfo.io
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	pid	process
16	1684	WScript.exe
50	2344	cmd.exe
51	2344	cmd.exe
52	2344	cmd.exe
56	3884	cmd.exe

pid	process
1996	regsvr32.exe

flow	ioc
33	ipinfo.io

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE

Discovers systems in the same network 1 TTPs 2 IoCs
discovery

Remote System Discovery
T1018

Processes:

net.exenet.exe

pid process

2648 net.exe
2836 net.exe

pid	process
2648	net.exe
2836	net.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

2228 ipconfig.exe
Modifies registry class 1 IoCs

Processes:

scriptrunner.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings scriptrunner.exe
Runs net.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

992 WINWORD.EXE
992 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

cmd.execmd.execmd.exe

pid process

2344 cmd.exe
2344 cmd.exe
856 cmd.exe
856 cmd.exe
3884 cmd.exe
856 cmd.exe
3884 cmd.exe
856 cmd.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

wermgr.execmd.execmd.exe

description pid process

Token: SeDebugPrivilege 2112 wermgr.exe
Token: SeDebugPrivilege 2344 cmd.exe
Token: SeDebugPrivilege 856 cmd.exe

pid	process
2228	ipconfig.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings	scriptrunner.exe

pid	process
2344	cmd.exe
2344	cmd.exe
856	cmd.exe
856	cmd.exe
3884	cmd.exe
856	cmd.exe
3884	cmd.exe
856	cmd.exe

description	pid	process
Token: SeDebugPrivilege	2112	wermgr.exe
Token: SeDebugPrivilege	2344	cmd.exe
Token: SeDebugPrivilege	856	cmd.exe

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

WINWORD.EXE

pid	process
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE
992	WINWORD.EXE

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

WINWORD.EXEscriptrunner.exeWScript.exeregsvr32.exeregsvr32.exewermgr.exe

description	pid	process	target process
PID 992 wrote to memory of 3996	992	WINWORD.EXE	scriptrunner.exe
PID 992 wrote to memory of 3996	992	WINWORD.EXE	scriptrunner.exe
PID 3996 wrote to memory of 1684	3996	scriptrunner.exe	WScript.exe
PID 3996 wrote to memory of 1684	3996	scriptrunner.exe	WScript.exe
PID 1684 wrote to memory of 2164	1684	WScript.exe	regsvr32.exe
PID 1684 wrote to memory of 2164	1684	WScript.exe	regsvr32.exe
PID 2164 wrote to memory of 1996	2164	regsvr32.exe	regsvr32.exe
PID 2164 wrote to memory of 1996	2164	regsvr32.exe	regsvr32.exe
PID 2164 wrote to memory of 1996	2164	regsvr32.exe	regsvr32.exe
PID 1996 wrote to memory of 2112	1996	regsvr32.exe	wermgr.exe
PID 1996 wrote to memory of 2112	1996	regsvr32.exe	wermgr.exe
PID 1996 wrote to memory of 2112	1996	regsvr32.exe	wermgr.exe
PID 1996 wrote to memory of 2112	1996	regsvr32.exe	wermgr.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe
PID 2112 wrote to memory of 2344	2112	wermgr.exe	cmd.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\question_07.08.2021.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:992

C:\Windows\SYSTEM32\scriptrunner.exe
scriptrunner.exe -appvscript c:\programdata\memRequest.wsf
2⤵
- Process spawned unexpected child process
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3996

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\programdata\memRequest.wsf"
3⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" c:\\users\\public\\memRequest.jpg
4⤵
- Suspicious use of WriteProcessMemory
PID:2164

C:\Windows\SysWOW64\regsvr32.exe
c:\\users\\public\\memRequest.jpg
5⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
6⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe
7⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2344

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe
7⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:856

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe
7⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:3884

C:\Windows\system32\ipconfig.exe
ipconfig /all
8⤵
- Gathers network information
PID:2228

C:\Windows\system32\net.exe
net config workstation
8⤵
PID:1300

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 config workstation
9⤵
PID:3468

C:\Windows\system32\net.exe
net view /all
8⤵
- Discovers systems in the same network
PID:2648

C:\Windows\system32\net.exe
net view /all /domain
8⤵
- Discovers systems in the same network
PID:2836

C:\Windows\system32\nltest.exe
nltest /domain_trusts
8⤵
PID:2304

C:\Windows\system32\nltest.exe
nltest /domain_trusts /all_trusts
8⤵
PID:992

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

4

T1082

Query Registry

2

T1012

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\programdata\memRequest.wsf
MD5
8f0adb8f4ff8ff93d17cab7fb1fef199

SHA1
e5a5a2e841a8f53cd0bacfb29e7ceb79462bcd30

SHA256
9014323d283ed73e9a88a3a2c101487c14ff86d796b310a507f4729901db0031

SHA512
7e02351cfc4d48a0efae18823b82ded6d77664c0664eb72f98950829d4138f4fb84a40986bc6038730b21df8c205ff2d4775dd8961c2d2ddafc87ee68cc1a64b

Download Submit
\??\c:\users\public\memRequest.jpg
MD5
4ddb9bf2c122c2d1d10c08d33636dccd

SHA1
921c4c891bc526f6548dcb0cf818751b620f2cc6

SHA256
2f441265ad5fd12b84d79f46e46dd14a78e7bba11d290ff58c7e5bf8e9dab17a

SHA512
d67e55748e1720ed656e4ba80abe6bf4aaf2b9427d16e86440b8a49d8d28e2d13ce6c770ff5e00cb993d93d155c3d37cf171201420022ca92a21c06294199e96

Download Submit
\Users\Public\memRequest.jpg
MD5
4ddb9bf2c122c2d1d10c08d33636dccd

SHA1
921c4c891bc526f6548dcb0cf818751b620f2cc6

SHA256
2f441265ad5fd12b84d79f46e46dd14a78e7bba11d290ff58c7e5bf8e9dab17a

SHA512
d67e55748e1720ed656e4ba80abe6bf4aaf2b9427d16e86440b8a49d8d28e2d13ce6c770ff5e00cb993d93d155c3d37cf171201420022ca92a21c06294199e96

Download Submit
memory/856-195-0x0000000000000000-mapping.dmp

Download
memory/992-117-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/992-118-0x00007FFED49C0000-0x00007FFED74E3000-memory.dmp

Filesize
43.1MB

Download
memory/992-122-0x00007FFED0020000-0x00007FFED110E000-memory.dmp

Filesize
16.9MB

Download
memory/992-123-0x00007FFECD690000-0x00007FFECF585000-memory.dmp

Filesize
31.0MB

Download
memory/992-205-0x0000000000000000-mapping.dmp

Download
memory/992-119-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/992-114-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/992-116-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/992-115-0x00007FFEB3A10000-0x00007FFEB3A20000-memory.dmp

Filesize
64KB

Download
memory/1300-200-0x0000000000000000-mapping.dmp

Download
memory/1684-181-0x0000000000000000-mapping.dmp

Download
memory/1996-188-0x0000000004420000-0x0000000004421000-memory.dmp

Filesize
4KB

Download
memory/1996-189-0x0000000004401000-0x0000000004403000-memory.dmp

Filesize
8KB

Download
memory/1996-187-0x0000000004290000-0x00000000042D3000-memory.dmp

Filesize
268KB

Download
memory/1996-186-0x0000000000B50000-0x0000000000B88000-memory.dmp

Filesize
224KB

Download
memory/1996-184-0x0000000000000000-mapping.dmp

Download
memory/2112-191-0x0000022394930000-0x0000022394958000-memory.dmp

Filesize
160KB

Download
memory/2112-192-0x0000022394A40000-0x0000022394A41000-memory.dmp

Filesize
4KB

Download
memory/2112-190-0x0000000000000000-mapping.dmp

Download
memory/2164-182-0x0000000000000000-mapping.dmp

Download
memory/2228-199-0x0000000000000000-mapping.dmp

Download
memory/2304-204-0x0000000000000000-mapping.dmp

Download
memory/2344-193-0x0000000000000000-mapping.dmp

Download
memory/2344-194-0x0000024493DD0000-0x0000024493DD1000-memory.dmp

Filesize
4KB

Download
memory/2648-202-0x0000000000000000-mapping.dmp

Download
memory/2836-203-0x0000000000000000-mapping.dmp

Download
memory/3468-201-0x0000000000000000-mapping.dmp

Download
memory/3884-197-0x0000000000000000-mapping.dmp

Download
memory/3996-179-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads