formbook | 7a434269888c9382307a609aceba2b185542ab901cda169d761c2650c84f2f4e

General

Target

vbc.exe
Size

1.4MB
MD5

7d752130c300fcf1d2cd1668fc29ae28
SHA1

ec52bc66ee4f080618fdc06aa994765c0adc6dee
SHA256

7a434269888c9382307a609aceba2b185542ab901cda169d761c2650c84f2f4e
SHA512

72d0a485ee362f5c1688c5dc2e6507ecaa18f574e73ef8b9e9d71b94179f361ed106e05824c43e5f3eeda8bcc9c1b8c471bd2dac94f4497388b5cf78681aa928

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.aftabzahur.com/wgn/

Decoy

kokokara-life-blog.com

faswear.com

futureleadershiptoday.com

date4done.xyz

thecouponinn.com

bbeycarpetsf.com

propolisnasalspray.com

jinjudiamond.com

goodevectors.com

nehyam.com

evalinkapuppets.com

what-if-statistics.com

rateofrisk.com

impacttestonlinne.com

servis-kaydet.info

coloniacafe.com

marcemarketing.com

aarigging.com

goddesswitchery.com

jasqblo.icu

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/1448-9-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1448-10-0x000000000041EAC0-mapping.dmp	formbook
behavioral1/memory/1504-17-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

408 cmd.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
408	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exewlanext.exe

description	pid	process	target process
PID 328 set thread context of 1448	328	vbc.exe	vbc.exe
PID 1448 set thread context of 1204	1448	vbc.exe	Explorer.EXE
PID 1504 set thread context of 1204	1504	wlanext.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

vbc.exevbc.exewlanext.exe

pid	process
328	vbc.exe
328	vbc.exe
328	vbc.exe
1448	vbc.exe
1448	vbc.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe
1504	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exewlanext.exe

pid process

1448 vbc.exe
1448 vbc.exe
1448 vbc.exe
1504 wlanext.exe
1504 wlanext.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vbc.exevbc.exewlanext.exe

description pid process

Token: SeDebugPrivilege 328 vbc.exe
Token: SeDebugPrivilege 1448 vbc.exe
Token: SeDebugPrivilege 1504 wlanext.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE
1204 Explorer.EXE
1204 Explorer.EXE

pid	process
1448	vbc.exe
1448	vbc.exe
1448	vbc.exe
1504	wlanext.exe
1504	wlanext.exe

description	pid	process
Token: SeDebugPrivilege	328	vbc.exe
Token: SeDebugPrivilege	1448	vbc.exe
Token: SeDebugPrivilege	1504	wlanext.exe

Suspicious use of SendNotifyMessage 41 IoCs

Processes:

Explorer.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

vbc.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 328 wrote to memory of 1448	328	vbc.exe	vbc.exe
PID 328 wrote to memory of 1448	328	vbc.exe	vbc.exe
PID 328 wrote to memory of 1448	328	vbc.exe	vbc.exe
PID 328 wrote to memory of 1448	328	vbc.exe	vbc.exe
PID 328 wrote to memory of 1448	328	vbc.exe	vbc.exe
PID 328 wrote to memory of 1448	328	vbc.exe	vbc.exe
PID 328 wrote to memory of 1448	328	vbc.exe	vbc.exe
PID 1204 wrote to memory of 1504	1204	Explorer.EXE	wlanext.exe
PID 1204 wrote to memory of 1504	1204	Explorer.EXE	wlanext.exe
PID 1204 wrote to memory of 1504	1204	Explorer.EXE	wlanext.exe
PID 1204 wrote to memory of 1504	1204	Explorer.EXE	wlanext.exe
PID 1504 wrote to memory of 408	1504	wlanext.exe	cmd.exe
PID 1504 wrote to memory of 408	1504	wlanext.exe	cmd.exe
PID 1504 wrote to memory of 408	1504	wlanext.exe	cmd.exe
PID 1504 wrote to memory of 408	1504	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:1204

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:328

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1448

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:1504

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
3⤵
- Deletes itself
PID:408

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/328-2-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/328-3-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/328-5-0x00000000005D0000-0x000000000064E000-memory.dmp

Filesize
504KB

Download
memory/328-6-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/328-7-0x00000000003C0000-0x00000000003CE000-memory.dmp

Filesize
56KB

Download
memory/328-8-0x0000000005100000-0x000000000515B000-memory.dmp

Filesize
364KB

Download
memory/408-19-0x0000000000000000-mapping.dmp

Download
memory/1204-14-0x0000000004D10000-0x0000000004E63000-memory.dmp

Filesize
1.3MB

Download
memory/1204-21-0x0000000006D70000-0x0000000006EE9000-memory.dmp

Filesize
1.5MB

Download
memory/1448-10-0x000000000041EAC0-mapping.dmp

Download
memory/1448-13-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/1448-12-0x00000000008F0000-0x0000000000BF3000-memory.dmp

Filesize
3.0MB

Download
memory/1448-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1504-15-0x0000000000000000-mapping.dmp

Download
memory/1504-16-0x0000000000F80000-0x0000000000F96000-memory.dmp

Filesize
88KB

Download
memory/1504-18-0x0000000000B10000-0x0000000000E13000-memory.dmp

Filesize
3.0MB

Download
memory/1504-17-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/1504-20-0x0000000000E20000-0x0000000000EB3000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads