formbook | eab2de096cfe890da97a654fb7c14097b1c15242cca986d90811c5722c95b416

General

Target

2.exe
Size

184KB
MD5

57fc9c24357ac2cde150537ae8a42884
SHA1

70fdc837d404f465f4af739d7415c24023f437ed
SHA256

eab2de096cfe890da97a654fb7c14097b1c15242cca986d90811c5722c95b416
SHA512

52e6f1d1a6aa7862de48add0b1f1a06d83b72efa5c8856256e3caf2110a457f42c45f54ba8a85776779e201bd12fc8176cd31c1bd8ab500b076096da89adee27

Score

10^/10

formbook bc3s rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bc3s

C2

http://www.topei-products.com/bc3s/

Decoy

anna-ng.com

mariangelamata.com

szqnbl.com

nesherguitars.com

mysekrit.com

againbeautyviensui.xyz

appf.life

bilalsolution.com

technoratii.com

11restoran.com

birthingly.com

crystalcarrillo.com

cohenasset.info

bunchofdesign.com

highstreetmag.com

talentkerning.com

outdoor-glassesadvice.com

aliceeety.com

habbuhot.info

pao91.com

Signatures

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

Formbook Payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1936-58-0x00000000000D0000-0x00000000000FE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

876 cmd.exe

pid	process
876	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

2.exewlanext.exe

description	pid	process	target process
PID 1516 set thread context of 1364	1516	2.exe	Explorer.EXE
PID 1936 set thread context of 1364	1936	wlanext.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

2.exewlanext.exe

pid	process
1516	2.exe
1516	2.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe
1936	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1364 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

2.exewlanext.exe

pid process

1516 2.exe
1516 2.exe
1516 2.exe
1936 wlanext.exe
1936 wlanext.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2.exewlanext.exe

description pid process

Token: SeDebugPrivilege 1516 2.exe
Token: SeDebugPrivilege 1936 wlanext.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1364 Explorer.EXE
1364 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1364 Explorer.EXE
1364 Explorer.EXE

pid	process
1364	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1516	2.exe
Token: SeDebugPrivilege	1936	wlanext.exe

pid	process
1364	Explorer.EXE
1364	Explorer.EXE

pid	process
1364	Explorer.EXE
1364	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Explorer.EXEwlanext.exe

description	pid	process	target process
PID 1364 wrote to memory of 1936	1364	Explorer.EXE	wlanext.exe
PID 1364 wrote to memory of 1936	1364	Explorer.EXE	wlanext.exe
PID 1364 wrote to memory of 1936	1364	Explorer.EXE	wlanext.exe
PID 1364 wrote to memory of 1936	1364	Explorer.EXE	wlanext.exe
PID 1936 wrote to memory of 876	1936	wlanext.exe	cmd.exe
PID 1936 wrote to memory of 876	1936	wlanext.exe	cmd.exe
PID 1936 wrote to memory of 876	1936	wlanext.exe	cmd.exe
PID 1936 wrote to memory of 876	1936	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1364

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1516

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\2.exe"
3⤵
- Deletes itself
PID:876

Network

MITRE ATT&CK Matrix

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Downloads

memory/876-60-0x0000000000000000-mapping.dmp

Download
memory/1364-55-0x0000000006FE0000-0x00000000070E1000-memory.dmp

Filesize
1.0MB

Download
memory/1364-62-0x0000000007C20000-0x0000000007D64000-memory.dmp

Filesize
1.3MB

Download
memory/1516-54-0x00000000001A0000-0x00000000001B4000-memory.dmp

Filesize
80KB

Download
memory/1516-53-0x00000000007D0000-0x0000000000AD3000-memory.dmp

Filesize
3.0MB

Download
memory/1936-56-0x0000000000000000-mapping.dmp

Download
memory/1936-58-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/1936-59-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/1936-57-0x0000000000FD0000-0x0000000000FE6000-memory.dmp

Filesize
88KB

Download
memory/1936-61-0x00000000008D0000-0x0000000000963000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads