formbook | f8a388fc032aa7fdf80ed5bad850e3429ee27614bd6152efaa090fc77ad3bc6a

General

Target

M.V. CHIANG TUN_pdf.exe
Size

852KB
MD5

e16fc6dd80b2adb86bfdcd9f4fe6a787
SHA1

ccc534305f283b657c7ac9ddcbdbc321da08f95f
SHA256

f8a388fc032aa7fdf80ed5bad850e3429ee27614bd6152efaa090fc77ad3bc6a
SHA512

f913c2810853d0a76c9661f5ed51673a1c1602c8f6b1cfc4c06d9e0c4cc7a002efd6bd2c0189fe4ead15f1cc42181059bbc8cafabc08c7c6817b56e6ab26081e

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.huynhanhdung.com/kna/

Decoy

lawrencefiredepartment.com

executivehomeoffices.com

solfed.world

oshawaexchange.com

webdavlexstore.com

youpieb.com

chiller-master.com

bearstoragetn.com

daf90x16.com

gewhacaalouine.com

simplyezi.com

cstechnologyservices.com

nosyboats.com

thecocomarie.com

vetinaryeco.club

americangoselfilm.com

gdsuhejia.com

verbunden-sein.net

the-minerva.com

loctrantv.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/1512-7-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1512-8-0x000000000041EAB0-mapping.dmp	formbook
behavioral1/memory/472-9-0x0000000000000000-mapping.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

332 cmd.exe

pid	process
332	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

M.V. CHIANG TUN_pdf.exeM.V. CHIANG TUN_pdf.exenetsh.exe

description	pid	process	target process
PID 848 set thread context of 1512	848	M.V. CHIANG TUN_pdf.exe	M.V. CHIANG TUN_pdf.exe
PID 1512 set thread context of 1244	1512	M.V. CHIANG TUN_pdf.exe	Explorer.EXE
PID 472 set thread context of 1244	472	netsh.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

M.V. CHIANG TUN_pdf.exenetsh.exe

pid	process
1512	M.V. CHIANG TUN_pdf.exe
1512	M.V. CHIANG TUN_pdf.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe
472	netsh.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

M.V. CHIANG TUN_pdf.exenetsh.exe

pid process

1512 M.V. CHIANG TUN_pdf.exe
1512 M.V. CHIANG TUN_pdf.exe
1512 M.V. CHIANG TUN_pdf.exe
472 netsh.exe
472 netsh.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

M.V. CHIANG TUN_pdf.exenetsh.exe

description pid process

Token: SeDebugPrivilege 1512 M.V. CHIANG TUN_pdf.exe
Token: SeDebugPrivilege 472 netsh.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1512	M.V. CHIANG TUN_pdf.exe
Token: SeDebugPrivilege	472	netsh.exe

pid	process
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE

pid	process
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

M.V. CHIANG TUN_pdf.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 848 wrote to memory of 1512	848	M.V. CHIANG TUN_pdf.exe	M.V. CHIANG TUN_pdf.exe
PID 848 wrote to memory of 1512	848	M.V. CHIANG TUN_pdf.exe	M.V. CHIANG TUN_pdf.exe
PID 848 wrote to memory of 1512	848	M.V. CHIANG TUN_pdf.exe	M.V. CHIANG TUN_pdf.exe
PID 848 wrote to memory of 1512	848	M.V. CHIANG TUN_pdf.exe	M.V. CHIANG TUN_pdf.exe
PID 848 wrote to memory of 1512	848	M.V. CHIANG TUN_pdf.exe	M.V. CHIANG TUN_pdf.exe
PID 848 wrote to memory of 1512	848	M.V. CHIANG TUN_pdf.exe	M.V. CHIANG TUN_pdf.exe
PID 848 wrote to memory of 1512	848	M.V. CHIANG TUN_pdf.exe	M.V. CHIANG TUN_pdf.exe
PID 1244 wrote to memory of 472	1244	Explorer.EXE	netsh.exe
PID 1244 wrote to memory of 472	1244	Explorer.EXE	netsh.exe
PID 1244 wrote to memory of 472	1244	Explorer.EXE	netsh.exe
PID 1244 wrote to memory of 472	1244	Explorer.EXE	netsh.exe
PID 472 wrote to memory of 332	472	netsh.exe	cmd.exe
PID 472 wrote to memory of 332	472	netsh.exe	cmd.exe
PID 472 wrote to memory of 332	472	netsh.exe	cmd.exe
PID 472 wrote to memory of 332	472	netsh.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:1244

C:\Users\Admin\AppData\Local\Temp\M.V. CHIANG TUN_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\M.V. CHIANG TUN_pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:848

C:\Users\Admin\AppData\Local\Temp\M.V. CHIANG TUN_pdf.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1512

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1680

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\SysWOW64\netsh.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:472

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\M.V. CHIANG TUN_pdf.exe"
3⤵
- Deletes itself
PID:332

MITRE ATT&CK Matrix

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Downloads

memory/332-11-0x0000000000000000-mapping.dmp

Download
memory/472-9-0x0000000000000000-mapping.dmp

Download
memory/472-10-0x0000000001700000-0x000000000171B000-memory.dmp

Filesize
108KB

Download
memory/472-12-0x0000000001450000-0x00000000015A6000-memory.dmp

Filesize
1.3MB

Download
memory/848-2-0x00000000748D0000-0x0000000074FBE000-memory.dmp

Filesize
6.9MB

Download
memory/848-3-0x0000000000D60000-0x0000000000D61000-memory.dmp

Filesize
4KB

Download
memory/848-5-0x00000000003D0000-0x00000000003DE000-memory.dmp

Filesize
56KB

Download
memory/848-6-0x0000000005780000-0x0000000005818000-memory.dmp

Filesize
608KB

Download
memory/1512-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1512-8-0x000000000041EAB0-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads