formbook | 2fa540a1679ecd37874e53b50eb4c756223420d5f970c935ce053345f1f231f4

General

Target

Potvrda narudzbe u prilogu.exe
Size

858KB
MD5

a2f2b4df19c4e17b1ee75386984be107
SHA1

4eeb4fa7a57f39c7e0e33f069da955086926976a
SHA256

2fa540a1679ecd37874e53b50eb4c756223420d5f970c935ce053345f1f231f4
SHA512

c69eb0311d8e9d760f7ab33568b56836645dadf9c41271e0ef494816d3ba3a24c1a119e9359950fda5bdc92f2f38fe3bb99e346977ed935cc119ba0c690dab64

Score

10^/10

formbook 3nop persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

Decoy

videohm.com

panache-rose.com

alnooncars-kw.com

trueblue2u.com

brussels-cafe.com

ip2c.net

influenzerr.com

rbcoq.com

zzful.com

drainthe.com

sumaholesson.com

cursosaprovados.com

genotecinc.com

dbrulhart.com

theapiarystudios.com

kensyu-kan.com

dkku88.com

tikhyper.com

aztecnort.com

homebrim.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
behavioral2/memory/4888-136-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/4888-142-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/1048-147-0x0000000000930000-0x000000000095E000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Potvrda narudzbe u prilogu.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Kwhnxhv = "C:\\Users\\Public\\vhxnhwK.url"	Potvrda narudzbe u prilogu.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

DpiScaling.exesvchost.exe

description	pid	process	target process
PID 4888 set thread context of 3024	4888	DpiScaling.exe	Explorer.EXE
PID 4888 set thread context of 3024	4888	DpiScaling.exe	Explorer.EXE
PID 1048 set thread context of 3024	1048	svchost.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 34 IoCs

Processes:

DpiScaling.exesvchost.exe

pid	process
4888	DpiScaling.exe
4888	DpiScaling.exe
4888	DpiScaling.exe
4888	DpiScaling.exe
4888	DpiScaling.exe
4888	DpiScaling.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe
1048	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

DpiScaling.exesvchost.exe

pid process

4888 DpiScaling.exe
4888 DpiScaling.exe
4888 DpiScaling.exe
4888 DpiScaling.exe
1048 svchost.exe
1048 svchost.exe

pid	process
3024	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

DpiScaling.exesvchost.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4888	DpiScaling.exe
Token: SeDebugPrivilege	1048	svchost.exe
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Potvrda narudzbe u prilogu.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 3380 wrote to memory of 4888	3380	Potvrda narudzbe u prilogu.exe	DpiScaling.exe
PID 3380 wrote to memory of 4888	3380	Potvrda narudzbe u prilogu.exe	DpiScaling.exe
PID 3380 wrote to memory of 4888	3380	Potvrda narudzbe u prilogu.exe	DpiScaling.exe
PID 3380 wrote to memory of 4888	3380	Potvrda narudzbe u prilogu.exe	DpiScaling.exe
PID 3380 wrote to memory of 4888	3380	Potvrda narudzbe u prilogu.exe	DpiScaling.exe
PID 3380 wrote to memory of 4888	3380	Potvrda narudzbe u prilogu.exe	DpiScaling.exe
PID 3024 wrote to memory of 1048	3024	Explorer.EXE	svchost.exe
PID 3024 wrote to memory of 1048	3024	Explorer.EXE	svchost.exe
PID 3024 wrote to memory of 1048	3024	Explorer.EXE	svchost.exe
PID 3024 wrote to memory of 3616	3024	Explorer.EXE	wscript.exe
PID 3024 wrote to memory of 3616	3024	Explorer.EXE	wscript.exe
PID 3024 wrote to memory of 3616	3024	Explorer.EXE	wscript.exe
PID 1048 wrote to memory of 4076	1048	svchost.exe	cmd.exe
PID 1048 wrote to memory of 4076	1048	svchost.exe	cmd.exe
PID 1048 wrote to memory of 4076	1048	svchost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024

C:\Users\Admin\AppData\Local\Temp\Potvrda narudzbe u prilogu.exe
"C:\Users\Admin\AppData\Local\Temp\Potvrda narudzbe u prilogu.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3380

C:\Windows\SysWOW64\DpiScaling.exe
C:\Windows\System32\DpiScaling.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4888

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
PID:3616

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\DpiScaling.exe"
3⤵
PID:4076

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1048-146-0x0000000000BD0000-0x0000000000BDE000-memory.dmp

Filesize
56KB

Download
memory/1048-149-0x00000000014A0000-0x0000000001533000-memory.dmp

Filesize
588KB

Download
memory/1048-148-0x0000000001600000-0x000000000194A000-memory.dmp

Filesize
3.3MB

Download
memory/1048-147-0x0000000000930000-0x000000000095E000-memory.dmp

Filesize
184KB

Download
memory/3024-145-0x0000000008CB0000-0x0000000008DE0000-memory.dmp

Filesize
1.2MB

Download
memory/3024-150-0x00000000033E0000-0x0000000003496000-memory.dmp

Filesize
728KB

Download
memory/3024-141-0x0000000008710000-0x000000000889A000-memory.dmp

Filesize
1.5MB

Download
memory/3380-130-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download
memory/3380-132-0x0000000000400000-0x00000000004DC000-memory.dmp

Filesize
880KB

Download
memory/3380-134-0x0000000003F06000-0x0000000003F07000-memory.dmp

Filesize
4KB

Download
memory/4888-144-0x0000000002E70000-0x0000000002E84000-memory.dmp

Filesize
80KB

Download
memory/4888-139-0x000000007249E000-0x000000007249F000-memory.dmp

Filesize
4KB

Download
memory/4888-143-0x000000007249E000-0x000000007249F000-memory.dmp

Filesize
4KB

Download
memory/4888-136-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/4888-135-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

Filesize
4KB

Download
memory/4888-142-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/4888-140-0x0000000002E30000-0x0000000002E44000-memory.dmp

Filesize
80KB

Download
memory/4888-138-0x0000000002ED0000-0x000000000321A000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads