formbook | 419d8b92dc042882bb3261de70dfe4a158bc9ca436c71f9bf330bb8a6917d04c

General

Target

Purchase Order.exe
Size

916KB
MD5

c13f1850e9d955f826620bd1ae322368
SHA1

1329de0499fabc6fcffd4fa02864968acaac253e
SHA256

419d8b92dc042882bb3261de70dfe4a158bc9ca436c71f9bf330bb8a6917d04c
SHA512

8d11bbe6afadbd108f227bb3397334f27eb69859b19e82ae436ea91a9f9b6b786c83a55a2fe0f71b15875ec51df8b19f367941420e5972eb2a06e6163aed2657

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.valiantfinancial.net/hth0/

Decoy

grahamandjana.com

surfpodcastnetwork.com

valkyrie20.com

hire4looks.com

wewalkfastasone.com

saveourschoolyear.com

5g23e.com

abusinesssystems.com

telefonepantalla.com

tailorscafe.com

schwarzer-markt.net

stopwatch247.com

458grandbetting.com

xpovision.com

kutkingbarbering.life

kppp-guxxz.xyz

chuckwagon-chow.com

la-casa-delle-vita.com

creativesocials.com

negociacoeshojebr.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
behavioral1/memory/1652-68-0x000000000041ED60-mapping.dmp	formbook
behavioral1/memory/1652-67-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1872-76-0x0000000000090000-0x00000000000BE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

556 cmd.exe

pid	process
556	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Purchase Order.exePurchase Order.exerundll32.exe

description	pid	process	target process
PID 1732 set thread context of 1652	1732	Purchase Order.exe	Purchase Order.exe
PID 1652 set thread context of 1260	1652	Purchase Order.exe	Explorer.EXE
PID 1872 set thread context of 1260	1872	rundll32.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

Purchase Order.exerundll32.exe

pid	process
1652	Purchase Order.exe
1652	Purchase Order.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe
1872	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Purchase Order.exerundll32.exe

pid process

1652 Purchase Order.exe
1652 Purchase Order.exe
1652 Purchase Order.exe
1872 rundll32.exe
1872 rundll32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order.exerundll32.exe

description pid process

Token: SeDebugPrivilege 1652 Purchase Order.exe
Token: SeDebugPrivilege 1872 rundll32.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
1260 Explorer.EXE
1260 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
1260 Explorer.EXE
1260 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1652	Purchase Order.exe
Token: SeDebugPrivilege	1872	rundll32.exe

pid	process
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Purchase Order.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 1732 wrote to memory of 1652	1732	Purchase Order.exe	Purchase Order.exe
PID 1732 wrote to memory of 1652	1732	Purchase Order.exe	Purchase Order.exe
PID 1732 wrote to memory of 1652	1732	Purchase Order.exe	Purchase Order.exe
PID 1732 wrote to memory of 1652	1732	Purchase Order.exe	Purchase Order.exe
PID 1732 wrote to memory of 1652	1732	Purchase Order.exe	Purchase Order.exe
PID 1732 wrote to memory of 1652	1732	Purchase Order.exe	Purchase Order.exe
PID 1732 wrote to memory of 1652	1732	Purchase Order.exe	Purchase Order.exe
PID 1260 wrote to memory of 1872	1260	Explorer.EXE	rundll32.exe
PID 1260 wrote to memory of 1872	1260	Explorer.EXE	rundll32.exe
PID 1260 wrote to memory of 1872	1260	Explorer.EXE	rundll32.exe
PID 1260 wrote to memory of 1872	1260	Explorer.EXE	rundll32.exe
PID 1260 wrote to memory of 1872	1260	Explorer.EXE	rundll32.exe
PID 1260 wrote to memory of 1872	1260	Explorer.EXE	rundll32.exe
PID 1260 wrote to memory of 1872	1260	Explorer.EXE	rundll32.exe
PID 1872 wrote to memory of 556	1872	rundll32.exe	cmd.exe
PID 1872 wrote to memory of 556	1872	rundll32.exe	cmd.exe
PID 1872 wrote to memory of 556	1872	rundll32.exe	cmd.exe
PID 1872 wrote to memory of 556	1872	rundll32.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:1260

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1732

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1652

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1872

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
3⤵
- Deletes itself
PID:556

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/556-74-0x0000000000000000-mapping.dmp

Download
memory/1260-79-0x00000000050E0000-0x0000000005213000-memory.dmp

Filesize
1.2MB

Download
memory/1260-71-0x0000000004F70000-0x00000000050DB000-memory.dmp

Filesize
1.4MB

Download
memory/1652-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1652-69-0x0000000000920000-0x0000000000C23000-memory.dmp

Filesize
3.0MB

Download
memory/1652-70-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/1652-68-0x000000000041ED60-mapping.dmp

Download
memory/1732-65-0x0000000004E80000-0x0000000004EFE000-memory.dmp

Filesize
504KB

Download
memory/1732-66-0x0000000000CC0000-0x0000000000CF0000-memory.dmp

Filesize
192KB

Download
memory/1732-60-0x0000000000D00000-0x0000000000D01000-memory.dmp

Filesize
4KB

Download
memory/1732-64-0x00000000008D0000-0x00000000008D2000-memory.dmp

Filesize
8KB

Download
memory/1732-63-0x0000000004470000-0x0000000004471000-memory.dmp

Filesize
4KB

Download
memory/1732-62-0x0000000000B20000-0x0000000000B7E000-memory.dmp

Filesize
376KB

Download
memory/1872-72-0x0000000000000000-mapping.dmp

Download
memory/1872-73-0x0000000075161000-0x0000000075163000-memory.dmp

Filesize
8KB

Download
memory/1872-75-0x0000000000430000-0x000000000043E000-memory.dmp

Filesize
56KB

Download
memory/1872-76-0x0000000000090000-0x00000000000BE000-memory.dmp

Filesize
184KB

Download
memory/1872-77-0x0000000002050000-0x0000000002353000-memory.dmp

Filesize
3.0MB

Download
memory/1872-78-0x0000000001EC0000-0x0000000001F53000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads