formbook | dc56f8319fd0bd85861ba6a623824a84c84a230edfb7234ea47bb90845da48ef

General

Target

Shipment Document BL,INV and packing list.exe
Size

454KB
MD5

553cd6156563de1a6bd068761a8b8066
SHA1

bb500d28f113b37cdfa4d09f160a417214188ac2
SHA256

10d80e3275154e9e39e98d3622a7af4f98a5fd1f0a073839d9e8d670cbd5d3e6
SHA512

9750b665cf70d9b9000f11edeb26a77d7a0bc8b294aaeb948e51b8abc8239c1801b5b8784bdefef887141e7cda1759263e6e68cf18d1f63432eeb211d63b032b

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.webperb.com/nehc/

Decoy

havenmaple.com

katrinasmarket.com

ccharlet.com

everestmedicalgroupusa.net

powervoc.com

crypto300cluv.com

davidrichterlaw.com

parkcitysongfest.com

videogeniusawards.com

beleave.club

gooddeedprocessing.com

synthsup.com

eceiptsworld.com

infinityanalytics.co.uk

damghair.com

sabaidate.com

guitarsir.com

thebowlingspot.com

denturelabmiami.com

mo-cooking.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/332-8-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/332-9-0x000000000041ECB0-mapping.dmp	formbook
behavioral1/memory/968-19-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

616 cmd.exe

pid	process
616	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Shipment Document BL,INV and packing list.exeShipment Document BL,INV and packing list.exechkdsk.exe

description	pid	process	target process
PID 1716 set thread context of 332	1716	Shipment Document BL,INV and packing list.exe	Shipment Document BL,INV and packing list.exe
PID 332 set thread context of 1268	332	Shipment Document BL,INV and packing list.exe	Explorer.EXE
PID 332 set thread context of 1268	332	Shipment Document BL,INV and packing list.exe	Explorer.EXE
PID 968 set thread context of 1268	968	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

Shipment Document BL,INV and packing list.exechkdsk.exe

pid	process
332	Shipment Document BL,INV and packing list.exe
332	Shipment Document BL,INV and packing list.exe
332	Shipment Document BL,INV and packing list.exe
968	chkdsk.exe
968	chkdsk.exe
968	chkdsk.exe
968	chkdsk.exe
968	chkdsk.exe
968	chkdsk.exe
968	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Shipment Document BL,INV and packing list.exechkdsk.exe

pid	process
332	Shipment Document BL,INV and packing list.exe
332	Shipment Document BL,INV and packing list.exe
332	Shipment Document BL,INV and packing list.exe
332	Shipment Document BL,INV and packing list.exe
968	chkdsk.exe
968	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Shipment Document BL,INV and packing list.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 332 Shipment Document BL,INV and packing list.exe
Token: SeDebugPrivilege 968 chkdsk.exe

description	pid	process
Token: SeDebugPrivilege	332	Shipment Document BL,INV and packing list.exe
Token: SeDebugPrivilege	968	chkdsk.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Shipment Document BL,INV and packing list.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1716 wrote to memory of 332	1716	Shipment Document BL,INV and packing list.exe	Shipment Document BL,INV and packing list.exe
PID 1716 wrote to memory of 332	1716	Shipment Document BL,INV and packing list.exe	Shipment Document BL,INV and packing list.exe
PID 1716 wrote to memory of 332	1716	Shipment Document BL,INV and packing list.exe	Shipment Document BL,INV and packing list.exe
PID 1716 wrote to memory of 332	1716	Shipment Document BL,INV and packing list.exe	Shipment Document BL,INV and packing list.exe
PID 1716 wrote to memory of 332	1716	Shipment Document BL,INV and packing list.exe	Shipment Document BL,INV and packing list.exe
PID 1716 wrote to memory of 332	1716	Shipment Document BL,INV and packing list.exe	Shipment Document BL,INV and packing list.exe
PID 1716 wrote to memory of 332	1716	Shipment Document BL,INV and packing list.exe	Shipment Document BL,INV and packing list.exe
PID 1268 wrote to memory of 968	1268	Explorer.EXE	chkdsk.exe
PID 1268 wrote to memory of 968	1268	Explorer.EXE	chkdsk.exe
PID 1268 wrote to memory of 968	1268	Explorer.EXE	chkdsk.exe
PID 1268 wrote to memory of 968	1268	Explorer.EXE	chkdsk.exe
PID 968 wrote to memory of 616	968	chkdsk.exe	cmd.exe
PID 968 wrote to memory of 616	968	chkdsk.exe	cmd.exe
PID 968 wrote to memory of 616	968	chkdsk.exe	cmd.exe
PID 968 wrote to memory of 616	968	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1268

C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and packing list.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and packing list.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1716

C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and packing list.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and packing list.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:332

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:968

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and packing list.exe"
3⤵
- Deletes itself
PID:616

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/332-9-0x000000000041ECB0-mapping.dmp

Download
memory/332-14-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download
memory/332-12-0x0000000000210000-0x0000000000224000-memory.dmp

Filesize
80KB

Download
memory/332-11-0x0000000000810000-0x0000000000B13000-memory.dmp

Filesize
3.0MB

Download
memory/332-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/616-17-0x0000000000000000-mapping.dmp

Download
memory/968-16-0x0000000000000000-mapping.dmp

Download
memory/968-18-0x00000000003E0000-0x00000000003E7000-memory.dmp

Filesize
28KB

Download
memory/968-19-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/968-20-0x00000000020B0000-0x00000000023B3000-memory.dmp

Filesize
3.0MB

Download
memory/968-21-0x0000000001E40000-0x0000000001ED3000-memory.dmp

Filesize
588KB

Download
memory/1268-13-0x0000000005FF0000-0x000000000612A000-memory.dmp

Filesize
1.2MB

Download
memory/1268-15-0x0000000006130000-0x000000000628B000-memory.dmp

Filesize
1.4MB

Download
memory/1716-7-0x0000000004E10000-0x0000000004E64000-memory.dmp

Filesize
336KB

Download
memory/1716-6-0x0000000000320000-0x0000000000323000-memory.dmp

Filesize
12KB

Download
memory/1716-5-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/1716-2-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/1716-3-0x0000000001250000-0x0000000001251000-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