formbook | a844e47ec2d8b3844c1d327be8628449dfe60cf7949accf7c86fca860dc33c7c

General

Target

MAERSK Booking Confirmation_Pdf.exe
Size

498KB
MD5

90277a5bab7cc82507c6c23244ac1507
SHA1

1500a32d309247c7d91b6930be4e6ba3849740c4
SHA256

528006e667ab91fe8d56f0207c97cdb763c0a9386abb1ab16746add4e7efdef8
SHA512

aa2b5674a3ab9240950ca6adbddfc7d2c5e3278d261ee9aed153d96d8deb4c6c4ca1a6ff8586b124250f03e8453537dcd2fc8be53d3f7930c90d1e98d0662af1

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.workonlinetimallen.com/dll/

Decoy

nyeconcreations.com

generar-k.com

refugiodelmate.com

elementclubhouse.com

freescorrs.xyz

tonesweettone.com

lojachicco.com

cyberxchange.net

strobelsolutions.com

tipsytravelerbar.com

shesheofnewyork.com

jdallmed.com

woefys.online

naviwatch.net

yuelvzuche.com

thehoneysuppliers.site

smokindeebflavors.com

preventvaccins.com

thepraisehouse.com

lgbtpridedirectory.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/440-10-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/440-11-0x000000000041EBD0-mapping.dmp	formbook
behavioral1/memory/1356-19-0x0000000000100000-0x000000000012E000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

688 cmd.exe

pid	process
688	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

MAERSK Booking Confirmation_Pdf.exeMAERSK Booking Confirmation_Pdf.execmmon32.exe

description	pid	process	target process
PID 1636 set thread context of 440	1636	MAERSK Booking Confirmation_Pdf.exe	MAERSK Booking Confirmation_Pdf.exe
PID 440 set thread context of 1192	440	MAERSK Booking Confirmation_Pdf.exe	Explorer.EXE
PID 1356 set thread context of 1192	1356	cmmon32.exe	Explorer.EXE

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

1052 NOTEPAD.EXE

pid	process
1052	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

MAERSK Booking Confirmation_Pdf.execmmon32.exe

pid	process
440	MAERSK Booking Confirmation_Pdf.exe
440	MAERSK Booking Confirmation_Pdf.exe
1356	cmmon32.exe
1356	cmmon32.exe
1356	cmmon32.exe
1356	cmmon32.exe
1356	cmmon32.exe
1356	cmmon32.exe
1356	cmmon32.exe
1356	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1192 Explorer.EXE

pid	process
1192	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

MAERSK Booking Confirmation_Pdf.execmmon32.exe

pid	process
440	MAERSK Booking Confirmation_Pdf.exe
440	MAERSK Booking Confirmation_Pdf.exe
440	MAERSK Booking Confirmation_Pdf.exe
1356	cmmon32.exe
1356	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

MAERSK Booking Confirmation_Pdf.execmmon32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	440	MAERSK Booking Confirmation_Pdf.exe
Token: SeDebugPrivilege	1356	cmmon32.exe
Token: SeShutdownPrivilege	1192	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

MAERSK Booking Confirmation_Pdf.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1636 wrote to memory of 440	1636	MAERSK Booking Confirmation_Pdf.exe	MAERSK Booking Confirmation_Pdf.exe
PID 1636 wrote to memory of 440	1636	MAERSK Booking Confirmation_Pdf.exe	MAERSK Booking Confirmation_Pdf.exe
PID 1636 wrote to memory of 440	1636	MAERSK Booking Confirmation_Pdf.exe	MAERSK Booking Confirmation_Pdf.exe
PID 1636 wrote to memory of 440	1636	MAERSK Booking Confirmation_Pdf.exe	MAERSK Booking Confirmation_Pdf.exe
PID 1636 wrote to memory of 440	1636	MAERSK Booking Confirmation_Pdf.exe	MAERSK Booking Confirmation_Pdf.exe
PID 1636 wrote to memory of 440	1636	MAERSK Booking Confirmation_Pdf.exe	MAERSK Booking Confirmation_Pdf.exe
PID 1636 wrote to memory of 440	1636	MAERSK Booking Confirmation_Pdf.exe	MAERSK Booking Confirmation_Pdf.exe
PID 1192 wrote to memory of 1356	1192	Explorer.EXE	cmmon32.exe
PID 1192 wrote to memory of 1356	1192	Explorer.EXE	cmmon32.exe
PID 1192 wrote to memory of 1356	1192	Explorer.EXE	cmmon32.exe
PID 1192 wrote to memory of 1356	1192	Explorer.EXE	cmmon32.exe
PID 1356 wrote to memory of 688	1356	cmmon32.exe	cmd.exe
PID 1356 wrote to memory of 688	1356	cmmon32.exe	cmd.exe
PID 1356 wrote to memory of 688	1356	cmmon32.exe	cmd.exe
PID 1356 wrote to memory of 688	1356	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1192

C:\Users\Admin\AppData\Local\Temp\MAERSK Booking Confirmation_Pdf.exe
"C:\Users\Admin\AppData\Local\Temp\MAERSK Booking Confirmation_Pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1636

C:\Users\Admin\AppData\Local\Temp\MAERSK Booking Confirmation_Pdf.exe
"C:\Users\Admin\AppData\Local\Temp\MAERSK Booking Confirmation_Pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:440

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\SuspendMove.txt
2⤵
- Opens file in notepad (likely ransom note)
PID:1052

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1356

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\MAERSK Booking Confirmation_Pdf.exe"
3⤵
- Deletes itself
PID:688

Network

MITRE ATT&CK Matrix

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Downloads

memory/400-8-0x000007FEF6380000-0x000007FEF65FA000-memory.dmp

Filesize
2.5MB

Download
memory/440-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/440-13-0x0000000000970000-0x0000000000C73000-memory.dmp

Filesize
3.0MB

Download
memory/440-14-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/440-11-0x000000000041EBD0-mapping.dmp

Download
memory/688-17-0x0000000000000000-mapping.dmp

Download
memory/1052-7-0x000007FEFBEC1000-0x000007FEFBEC3000-memory.dmp

Filesize
8KB

Download
memory/1192-15-0x0000000007670000-0x0000000007806000-memory.dmp

Filesize
1.6MB

Download
memory/1192-22-0x0000000004160000-0x0000000004213000-memory.dmp

Filesize
716KB

Download
memory/1356-16-0x0000000000000000-mapping.dmp

Download
memory/1356-18-0x0000000000860000-0x000000000086D000-memory.dmp

Filesize
52KB

Download
memory/1356-19-0x0000000000100000-0x000000000012E000-memory.dmp

Filesize
184KB

Download
memory/1356-20-0x0000000001F40000-0x0000000002243000-memory.dmp

Filesize
3.0MB

Download
memory/1356-21-0x0000000001D10000-0x0000000001DA3000-memory.dmp

Filesize
588KB

Download
memory/1636-9-0x0000000004E30000-0x0000000004E84000-memory.dmp

Filesize
336KB

Download
memory/1636-2-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/1636-6-0x0000000000350000-0x0000000000353000-memory.dmp

Filesize
12KB

Download
memory/1636-5-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

Filesize
4KB

Download
memory/1636-3-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads