formbook | a9a86b379236a699c4a6da12df755787d31a8c318e0fb79bfd240896a61f2a51

General

Target

0972872103.PDF.exe
Size

867KB
MD5

53a5183ce6ad22cf9c553293dec09e41
SHA1

6fc58dd1024cc17680bf3c8e343358c124cf79fd
SHA256

a9a86b379236a699c4a6da12df755787d31a8c318e0fb79bfd240896a61f2a51
SHA512

6b6dc7849efb2abd6acc6443636b71995eb24bc48a669f52350cb99a6762d416bca42c42cd4924b9c4ed1abd4a2a81163da053f2fe663bca878bb5402e95c0ce

Score

10^/10

formbook 3nop persistence rat spyware stealer suricata 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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4288-135-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/4288-136-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/4288-137-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/3952-143-0x0000000001250000-0x000000000127E000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0972872103.PDF.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Sfeaeur = "C:\\Users\\Public\\rueaefS.url"	0972872103.PDF.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

DpiScaling.exesystray.exe

description	pid	process	target process
PID 4288 set thread context of 3028	4288	DpiScaling.exe	Explorer.EXE
PID 3952 set thread context of 3028	3952	systray.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

DpiScaling.exesystray.exe

pid	process
4288	DpiScaling.exe
4288	DpiScaling.exe
4288	DpiScaling.exe
4288	DpiScaling.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe
3952	systray.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3028 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

DpiScaling.exesystray.exe

pid process

4288 DpiScaling.exe
4288 DpiScaling.exe
4288 DpiScaling.exe
3952 systray.exe
3952 systray.exe

pid	process
3028	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

DpiScaling.exesystray.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4288	DpiScaling.exe
Token: SeDebugPrivilege	3952	systray.exe
Token: SeShutdownPrivilege	3028	Explorer.EXE
Token: SeCreatePagefilePrivilege	3028	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

0972872103.PDF.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 1532 wrote to memory of 4288	1532	0972872103.PDF.exe	DpiScaling.exe
PID 1532 wrote to memory of 4288	1532	0972872103.PDF.exe	DpiScaling.exe
PID 1532 wrote to memory of 4288	1532	0972872103.PDF.exe	DpiScaling.exe
PID 1532 wrote to memory of 4288	1532	0972872103.PDF.exe	DpiScaling.exe
PID 1532 wrote to memory of 4288	1532	0972872103.PDF.exe	DpiScaling.exe
PID 1532 wrote to memory of 4288	1532	0972872103.PDF.exe	DpiScaling.exe
PID 3028 wrote to memory of 3952	3028	Explorer.EXE	systray.exe
PID 3028 wrote to memory of 3952	3028	Explorer.EXE	systray.exe
PID 3028 wrote to memory of 3952	3028	Explorer.EXE	systray.exe
PID 3952 wrote to memory of 2392	3952	systray.exe	cmd.exe
PID 3952 wrote to memory of 2392	3952	systray.exe	cmd.exe
PID 3952 wrote to memory of 2392	3952	systray.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3028

C:\Users\Admin\AppData\Local\Temp\0972872103.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\0972872103.PDF.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1532

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:4288

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:3508

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3952

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\DpiScaling.exe"
3⤵
PID:2392

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

Loading Replay Monitor...

Downloads

memory/2392-145-0x0000000000000000-mapping.dmp

Download
memory/3028-140-0x0000000007FF0000-0x0000000008107000-memory.dmp

Filesize
1.1MB

Download
memory/3028-147-0x0000000008110000-0x000000000828A000-memory.dmp

Filesize
1.5MB

Download
memory/3952-142-0x0000000000940000-0x0000000000946000-memory.dmp

Filesize
24KB

Download
memory/3952-141-0x0000000000000000-mapping.dmp

Download
memory/3952-143-0x0000000001250000-0x000000000127E000-memory.dmp

Filesize
184KB

Download
memory/3952-144-0x0000000003190000-0x00000000034DA000-memory.dmp

Filesize
3.3MB

Download
memory/3952-146-0x0000000002FC0000-0x0000000003053000-memory.dmp

Filesize
588KB

Download
memory/4288-139-0x00000000026B0000-0x00000000026C4000-memory.dmp

Filesize
80KB

Download
memory/4288-138-0x0000000002A70000-0x0000000002DBA000-memory.dmp

Filesize
3.3MB

Download
memory/4288-135-0x0000000000000000-mapping.dmp

Download
memory/4288-137-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/4288-136-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads