formbook | 97c8b86636fb4b9c0c95d9c445d89cb712e2776b3e514295a72d11601450709a

General

Target

SOA 22072020.exe
Size

371KB
MD5

8f0593680392f53ee586bb66c2885d8f
SHA1

320d855a8797fbd3bbd9871c9ac747c9fba1c73d
SHA256

c53c864741e005d5b04ca3349e81597e61b8ee3ecd7a03cddd2d15d955cbb04a
SHA512

cf5ba58c64c9c25263bfb18528358659e08384fddf41ff7619308abf4962860a281a2ef91ca4321c0da5ae7af4764c6e9f3e5ba3991fbc5c5293a32df744e535

Score

10^/10

formbook hnh evasion persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hnh

Decoy

stackingplans.info

landscapingcanberra.com

apxlegal.com

gzajs.com

senladvocaten.com

stephanieabella.com

indivmgtsvc.com

wildlife-botanicals.com

fingrfull.com

ustar-electric.com

timesharebefree.com

safefirstresponder.com

giliticketoperator.com

silverstarscents.com

4752condordrive.info

joomak.net

new-auto-news.com

ottodesign.store

kxg01.com

chrisoncreation.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
behavioral1/memory/1836-60-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/1836-61-0x000000000041E2F0-mapping.dmp	formbook
behavioral1/memory/1708-69-0x0000000000080000-0x00000000000AD000-memory.dmp	formbook

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wlanext.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\XJKDUFP8DN = "C:\\Program Files (x86)\\Lnpe0p08h\\userpnup.exe"	wlanext.exe

Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

SOA 22072020.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	SOA 22072020.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	SOA 22072020.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

SOA 22072020.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	SOA 22072020.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	SOA 22072020.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

SOA 22072020.exeSOA 22072020.exewlanext.exe

description	pid	process	target process
PID 1528 set thread context of 1836	1528	SOA 22072020.exe	SOA 22072020.exe
PID 1836 set thread context of 1220	1836	SOA 22072020.exe	Explorer.EXE
PID 1708 set thread context of 1220	1708	wlanext.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

wlanext.exe

description ioc process

File opened for modification C:\Program Files (x86)\Lnpe0p08h\userpnup.exe wlanext.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Lnpe0p08h\userpnup.exe	wlanext.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

SOA 22072020.exewlanext.exe

pid	process
1836	SOA 22072020.exe
1836	SOA 22072020.exe
1708	wlanext.exe
1708	wlanext.exe
1708	wlanext.exe
1708	wlanext.exe
1708	wlanext.exe
1708	wlanext.exe
1708	wlanext.exe
1708	wlanext.exe
1708	wlanext.exe
1708	wlanext.exe
1708	wlanext.exe
1708	wlanext.exe
1708	wlanext.exe
1708	wlanext.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

SOA 22072020.exewlanext.exe

pid process

1836 SOA 22072020.exe
1836 SOA 22072020.exe
1836 SOA 22072020.exe
1708 wlanext.exe
1708 wlanext.exe
1708 wlanext.exe
1708 wlanext.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SOA 22072020.exewlanext.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 1836 SOA 22072020.exe
Token: SeDebugPrivilege 1708 wlanext.exe
Token: SeShutdownPrivilege 1220 Explorer.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1836	SOA 22072020.exe
Token: SeDebugPrivilege	1708	wlanext.exe
Token: SeShutdownPrivilege	1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

SOA 22072020.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 1528 wrote to memory of 1836	1528	SOA 22072020.exe	SOA 22072020.exe
PID 1528 wrote to memory of 1836	1528	SOA 22072020.exe	SOA 22072020.exe
PID 1528 wrote to memory of 1836	1528	SOA 22072020.exe	SOA 22072020.exe
PID 1528 wrote to memory of 1836	1528	SOA 22072020.exe	SOA 22072020.exe
PID 1528 wrote to memory of 1836	1528	SOA 22072020.exe	SOA 22072020.exe
PID 1528 wrote to memory of 1836	1528	SOA 22072020.exe	SOA 22072020.exe
PID 1528 wrote to memory of 1836	1528	SOA 22072020.exe	SOA 22072020.exe
PID 1220 wrote to memory of 1708	1220	Explorer.EXE	wlanext.exe
PID 1220 wrote to memory of 1708	1220	Explorer.EXE	wlanext.exe
PID 1220 wrote to memory of 1708	1220	Explorer.EXE	wlanext.exe
PID 1220 wrote to memory of 1708	1220	Explorer.EXE	wlanext.exe
PID 1708 wrote to memory of 600	1708	wlanext.exe	cmd.exe
PID 1708 wrote to memory of 600	1708	wlanext.exe	cmd.exe
PID 1708 wrote to memory of 600	1708	wlanext.exe	cmd.exe
PID 1708 wrote to memory of 600	1708	wlanext.exe	cmd.exe
PID 1708 wrote to memory of 1012	1708	wlanext.exe	Firefox.exe
PID 1708 wrote to memory of 1012	1708	wlanext.exe	Firefox.exe
PID 1708 wrote to memory of 1012	1708	wlanext.exe	Firefox.exe
PID 1708 wrote to memory of 1012	1708	wlanext.exe	Firefox.exe
PID 1708 wrote to memory of 1012	1708	wlanext.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1220

C:\Users\Admin\AppData\Local\Temp\SOA 22072020.exe
"C:\Users\Admin\AppData\Local\Temp\SOA 22072020.exe"
2⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1528

C:\Users\Admin\AppData\Local\Temp\SOA 22072020.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1836

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SOA 22072020.exe"
3⤵
PID:600

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1012

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

2

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/600-67-0x0000000000000000-mapping.dmp

Download
memory/1220-72-0x0000000004C40000-0x0000000004DC5000-memory.dmp

Filesize
1.5MB

Download
memory/1220-65-0x0000000004B20000-0x0000000004C33000-memory.dmp

Filesize
1.1MB

Download
memory/1528-55-0x0000000000370000-0x0000000000378000-memory.dmp

Filesize
32KB

Download
memory/1528-56-0x0000000000B60000-0x0000000000B9A000-memory.dmp

Filesize
232KB

Download
memory/1528-54-0x0000000000D70000-0x0000000000DD2000-memory.dmp

Filesize
392KB

Download
memory/1708-68-0x0000000000F60000-0x0000000000F76000-memory.dmp

Filesize
88KB

Download
memory/1708-73-0x00000000764C1000-0x00000000764C3000-memory.dmp

Filesize
8KB

Download
memory/1708-71-0x0000000000910000-0x00000000009A3000-memory.dmp

Filesize
588KB

Download
memory/1708-70-0x0000000000A90000-0x0000000000D93000-memory.dmp

Filesize
3.0MB

Download
memory/1708-69-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1708-66-0x0000000000000000-mapping.dmp

Download
memory/1836-58-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1836-64-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/1836-63-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/1836-61-0x000000000041E2F0-mapping.dmp

Download
memory/1836-60-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1836-57-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads