formbook | c531fabadc6804c5ec1a9d2741e8e3a1366baca83b70acac740b9996489df4bd

General

Target

DHL Notification_pdf.exe
Size

922KB
MD5

2e20cd4c0bacb0215d89790119b4c07d
SHA1

2296db4bde732ee09af6e61b6796835eca3f22fd
SHA256

c531fabadc6804c5ec1a9d2741e8e3a1366baca83b70acac740b9996489df4bd
SHA512

c4ee37f3d87ce9715bf6b17c518d89186d9e13a989762d031e100285df585c2c0e04ca3177ddd25d36733763cb2cd7c41f56ec2d8d9cf467bd1d04caa8abb4cd
SSDEEP

12288:3iK6qU+EZX8KtiKtNGrPF7AcIzqwDGWxGGYN1Kj+4EO1p49wDdzoa1cfN:yK+RF5NqOcJwnAGYc+RO1m9wDdEPf

Score

10^/10

formbook j17j rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

j17j

Decoy

playphf.live

solarthinfilmtec.com

gdhaoshan.com

posh-designs.com

369andrewst.com

doverupblications.com

hengshangmei.com

decungo.com

checksinthemaiil.com

4localde.com

wetakeoveryourhousepayments.com

overcharge-center.com

mmmmmboulder.com

almaszarrin.net

enterpriseturkey.com

lanierfurniture.com

lhzb726-gw021.vip

onuiol.com

dmitrytodosyev.com

117uuu.com

Signatures

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

Formbook payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1360-64-0x000000000041F0A0-mapping.dmp	formbook
behavioral1/memory/1360-63-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1360-66-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/944-73-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook
behavioral1/memory/944-77-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

524 cmd.exe

pid	process
524	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

DHL Notification_pdf.exeDHL Notification_pdf.exehelp.exe

description	pid	process	target process
PID 1044 set thread context of 1360	1044	DHL Notification_pdf.exe	DHL Notification_pdf.exe
PID 1360 set thread context of 1224	1360	DHL Notification_pdf.exe	Explorer.EXE
PID 944 set thread context of 1224	944	help.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

DHL Notification_pdf.exeDHL Notification_pdf.exehelp.exe

pid	process
1044	DHL Notification_pdf.exe
1360	DHL Notification_pdf.exe
1360	DHL Notification_pdf.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe
944	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

DHL Notification_pdf.exehelp.exe

pid process

1360 DHL Notification_pdf.exe
1360 DHL Notification_pdf.exe
1360 DHL Notification_pdf.exe
944 help.exe
944 help.exe

pid	process
1360	DHL Notification_pdf.exe
1360	DHL Notification_pdf.exe
1360	DHL Notification_pdf.exe
944	help.exe
944	help.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

DHL Notification_pdf.exeDHL Notification_pdf.exehelp.exe

description	pid	process
Token: SeDebugPrivilege	1044	DHL Notification_pdf.exe
Token: SeDebugPrivilege	1360	DHL Notification_pdf.exe
Token: SeDebugPrivilege	944	help.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1224 Explorer.EXE
1224 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1224 Explorer.EXE
1224 Explorer.EXE

pid	process
1224	Explorer.EXE
1224	Explorer.EXE

pid	process
1224	Explorer.EXE
1224	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

DHL Notification_pdf.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 1044 wrote to memory of 1552	1044	DHL Notification_pdf.exe	DHL Notification_pdf.exe
PID 1044 wrote to memory of 1552	1044	DHL Notification_pdf.exe	DHL Notification_pdf.exe
PID 1044 wrote to memory of 1552	1044	DHL Notification_pdf.exe	DHL Notification_pdf.exe
PID 1044 wrote to memory of 1552	1044	DHL Notification_pdf.exe	DHL Notification_pdf.exe
PID 1044 wrote to memory of 1360	1044	DHL Notification_pdf.exe	DHL Notification_pdf.exe
PID 1044 wrote to memory of 1360	1044	DHL Notification_pdf.exe	DHL Notification_pdf.exe
PID 1044 wrote to memory of 1360	1044	DHL Notification_pdf.exe	DHL Notification_pdf.exe
PID 1044 wrote to memory of 1360	1044	DHL Notification_pdf.exe	DHL Notification_pdf.exe
PID 1044 wrote to memory of 1360	1044	DHL Notification_pdf.exe	DHL Notification_pdf.exe
PID 1044 wrote to memory of 1360	1044	DHL Notification_pdf.exe	DHL Notification_pdf.exe
PID 1044 wrote to memory of 1360	1044	DHL Notification_pdf.exe	DHL Notification_pdf.exe
PID 1224 wrote to memory of 944	1224	Explorer.EXE	help.exe
PID 1224 wrote to memory of 944	1224	Explorer.EXE	help.exe
PID 1224 wrote to memory of 944	1224	Explorer.EXE	help.exe
PID 1224 wrote to memory of 944	1224	Explorer.EXE	help.exe
PID 944 wrote to memory of 524	944	help.exe	cmd.exe
PID 944 wrote to memory of 524	944	help.exe	cmd.exe
PID 944 wrote to memory of 524	944	help.exe	cmd.exe
PID 944 wrote to memory of 524	944	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1224

C:\Users\Admin\AppData\Local\Temp\DHL Notification_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Notification_pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1044

C:\Users\Admin\AppData\Local\Temp\DHL Notification_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Notification_pdf.exe"
3⤵
PID:1552

C:\Users\Admin\AppData\Local\Temp\DHL Notification_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Notification_pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1360

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:944

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\DHL Notification_pdf.exe"
3⤵
- Deletes itself
PID:524

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/524-71-0x0000000000000000-mapping.dmp

Download
memory/944-70-0x0000000000000000-mapping.dmp

Download
memory/944-77-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/944-75-0x00000000009D0000-0x0000000000A64000-memory.dmp

Filesize
592KB

Download
memory/944-74-0x00000000006C0000-0x00000000009C3000-memory.dmp

Filesize
3.0MB

Download
memory/944-73-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/944-72-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/1044-59-0x0000000002090000-0x00000000020F0000-memory.dmp

Filesize
384KB

Download
memory/1044-54-0x00000000008B0000-0x000000000099E000-memory.dmp

Filesize
952KB

Download
memory/1044-55-0x0000000075501000-0x0000000075503000-memory.dmp

Filesize
8KB

Download
memory/1044-56-0x0000000000380000-0x0000000000396000-memory.dmp

Filesize
88KB

Download
memory/1044-57-0x00000000003A0000-0x00000000003AE000-memory.dmp

Filesize
56KB

Download
memory/1044-58-0x0000000005800000-0x000000000589A000-memory.dmp

Filesize
616KB

Download
memory/1224-78-0x0000000006270000-0x00000000063A0000-memory.dmp

Filesize
1.2MB

Download
memory/1224-76-0x0000000006270000-0x00000000063A0000-memory.dmp

Filesize
1.2MB

Download
memory/1224-69-0x0000000004B50000-0x0000000004C8E000-memory.dmp

Filesize
1.2MB

Download
memory/1360-67-0x00000000009A0000-0x0000000000CA3000-memory.dmp

Filesize
3.0MB

Download
memory/1360-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1360-64-0x000000000041F0A0-mapping.dmp

Download
memory/1360-68-0x00000000001C0000-0x00000000001D5000-memory.dmp

Filesize
84KB

Download
memory/1360-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1360-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1360-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads