formbook | 9599dc775b23d35f7e7603411551e0dad99126791b18982ac2e88584c607e214

General

Target

3.exe
Size

807KB
MD5

b31db6d4d0fcb0a462723b7237afe716
SHA1

144d72ac115c4dc41323c9be5851edf7092f9781
SHA256

9599dc775b23d35f7e7603411551e0dad99126791b18982ac2e88584c607e214
SHA512

fc7b49b2c875600efc6fad2cb48237c58ec702bc0cca9e8a93baa43453fc53d5c10094408e5d2c9ec06a5278dac856dd677234dacff7f9974faf24ec38e06db9

Score

10^/10

formbook 3nop rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

C2

http://www.jakesplacebarbers.com/3nop/

Decoy

videohm.com

panache-rose.com

alnooncars-kw.com

trueblue2u.com

brussels-cafe.com

ip2c.net

influenzerr.com

rbcoq.com

zzful.com

drainthe.com

sumaholesson.com

cursosaprovados.com

genotecinc.com

dbrulhart.com

theapiarystudios.com

kensyu-kan.com

dkku88.com

tikhyper.com

aztecnort.com

homebrim.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3356-119-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/3356-121-0x0000000010410000-0x000000001043E000-memory.dmp	formbook
behavioral2/memory/3728-128-0x0000000000670000-0x000000000069E000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

mshta.exeipconfig.exe

description	pid	process	target process
PID 3356 set thread context of 3056	3356	mshta.exe	Explorer.EXE
PID 3728 set thread context of 3056	3728	ipconfig.exe	Explorer.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

3728 ipconfig.exe

pid	process
3728	ipconfig.exe

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

mshta.exeipconfig.exe

pid	process
3356	mshta.exe
3356	mshta.exe
3356	mshta.exe
3356	mshta.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe
3728	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3056 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

mshta.exeipconfig.exe

pid process

3356 mshta.exe
3356 mshta.exe
3356 mshta.exe
3728 ipconfig.exe
3728 ipconfig.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

mshta.exeipconfig.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3356	mshta.exe
Token: SeDebugPrivilege	3728	ipconfig.exe
Token: SeShutdownPrivilege	3056	Explorer.EXE
Token: SeCreatePagefilePrivilege	3056	Explorer.EXE
Token: SeShutdownPrivilege	3056	Explorer.EXE
Token: SeCreatePagefilePrivilege	3056	Explorer.EXE

Suspicious use of FindShellTrayWindow 9 IoCs

Processes:

Explorer.EXE

pid	process
3056	Explorer.EXE
3056	Explorer.EXE
3056	Explorer.EXE
3056	Explorer.EXE
3056	Explorer.EXE
3056	Explorer.EXE
3056	Explorer.EXE
3056	Explorer.EXE
3056	Explorer.EXE

Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Explorer.EXE

pid process

3056 Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

3.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 4020 wrote to memory of 3356	4020	3.exe	mshta.exe
PID 4020 wrote to memory of 3356	4020	3.exe	mshta.exe
PID 4020 wrote to memory of 3356	4020	3.exe	mshta.exe
PID 4020 wrote to memory of 3356	4020	3.exe	mshta.exe
PID 4020 wrote to memory of 3356	4020	3.exe	mshta.exe
PID 4020 wrote to memory of 3356	4020	3.exe	mshta.exe
PID 3056 wrote to memory of 3728	3056	Explorer.EXE	ipconfig.exe
PID 3056 wrote to memory of 3728	3056	Explorer.EXE	ipconfig.exe
PID 3056 wrote to memory of 3728	3056	Explorer.EXE	ipconfig.exe
PID 3728 wrote to memory of 3360	3728	ipconfig.exe	cmd.exe
PID 3728 wrote to memory of 3360	3728	ipconfig.exe	cmd.exe
PID 3728 wrote to memory of 3360	3728	ipconfig.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3056

C:\Users\Admin\AppData\Local\Temp\3.exe
"C:\Users\Admin\AppData\Local\Temp\3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4020

C:\Windows\SysWOW64\mshta.exe
C:\Windows\System32\mshta.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3356

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3728

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\mshta.exe"
3⤵
PID:3360

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/3056-124-0x0000000003080000-0x000000000313C000-memory.dmp

Filesize
752KB

Download
memory/3056-131-0x0000000001010000-0x0000000001119000-memory.dmp

Filesize
1.0MB

Download
memory/3356-121-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/3356-123-0x0000000002C90000-0x0000000002CA4000-memory.dmp

Filesize
80KB

Download
memory/3356-122-0x0000000003040000-0x0000000003360000-memory.dmp

Filesize
3.1MB

Download
memory/3356-120-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/3356-119-0x0000000000000000-mapping.dmp

Download
memory/3360-126-0x0000000000000000-mapping.dmp

Download
memory/3728-125-0x0000000000000000-mapping.dmp

Download
memory/3728-127-0x0000000001170000-0x000000000117B000-memory.dmp

Filesize
44KB

Download
memory/3728-128-0x0000000000670000-0x000000000069E000-memory.dmp

Filesize
184KB

Download
memory/3728-129-0x0000000000D90000-0x00000000010B0000-memory.dmp

Filesize
3.1MB

Download
memory/3728-130-0x0000000000BF0000-0x0000000000C83000-memory.dmp

Filesize
588KB

Download
memory/4020-115-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads