formbook | 6b112d62c9d5722e71733aebafd86f5ac0a45c71a6776650f9505e239b7d8f8e

General

Target

SHIPPING INVOICE pdf.exe
Size

755KB
MD5

d1204a9f635be18db9fda3f9726a3df9
SHA1

652ed4051c171c6decdbbe8a5c724831574453f7
SHA256

6b112d62c9d5722e71733aebafd86f5ac0a45c71a6776650f9505e239b7d8f8e
SHA512

629a76bde6aa37ba01c91ea598e41c2c2175ce47deca8f4173534bc439f819e80adc0d83caba5745a94b580c3701c8297d776a553741d5f9506062068ed6e966

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.jerkerings.com/mnf/

Decoy

freeedomfencemn.com

corse-pollens.com

gellyc.com

mindplusgrind.com

gzrikang.com

horukac.com

aswaqina.com

lawofficeofjimhankey.com

everyoneshoroscope.com

freisaq.com

khimyoga.com

usmarketingdigital.com

artistagospel.com

stop-moskitos.com

sertecbasicos.com

mvmontessori.net

duke-a-website.com

arcaneunlocked.com

turnershydrographics.com

bipbopbling.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/636-4-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/636-5-0x000000000041EB10-mapping.dmp	formbook
behavioral2/memory/860-6-0x0000000000000000-mapping.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

SHIPPING INVOICE pdf.exeSHIPPING INVOICE pdf.execmstp.exe

description	pid	process	target process
PID 4764 set thread context of 636	4764	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 636 set thread context of 2552	636	SHIPPING INVOICE pdf.exe	Explorer.EXE
PID 860 set thread context of 2552	860	cmstp.exe	Explorer.EXE

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

960 schtasks.exe

pid	process
960	schtasks.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

Processes:

SHIPPING INVOICE pdf.exeSHIPPING INVOICE pdf.execmstp.exe

pid	process
4764	SHIPPING INVOICE pdf.exe
636	SHIPPING INVOICE pdf.exe
636	SHIPPING INVOICE pdf.exe
636	SHIPPING INVOICE pdf.exe
636	SHIPPING INVOICE pdf.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe
860	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

SHIPPING INVOICE pdf.execmstp.exe

pid process

636 SHIPPING INVOICE pdf.exe
636 SHIPPING INVOICE pdf.exe
636 SHIPPING INVOICE pdf.exe
860 cmstp.exe
860 cmstp.exe

pid	process
636	SHIPPING INVOICE pdf.exe
636	SHIPPING INVOICE pdf.exe
636	SHIPPING INVOICE pdf.exe
860	cmstp.exe
860	cmstp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SHIPPING INVOICE pdf.exeSHIPPING INVOICE pdf.execmstp.exe

description	pid	process
Token: SeDebugPrivilege	4764	SHIPPING INVOICE pdf.exe
Token: SeDebugPrivilege	636	SHIPPING INVOICE pdf.exe
Token: SeDebugPrivilege	860	cmstp.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2552 Explorer.EXE

pid	process
2552	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

SHIPPING INVOICE pdf.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 4764 wrote to memory of 960	4764	SHIPPING INVOICE pdf.exe	schtasks.exe
PID 4764 wrote to memory of 960	4764	SHIPPING INVOICE pdf.exe	schtasks.exe
PID 4764 wrote to memory of 960	4764	SHIPPING INVOICE pdf.exe	schtasks.exe
PID 4764 wrote to memory of 636	4764	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 4764 wrote to memory of 636	4764	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 4764 wrote to memory of 636	4764	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 4764 wrote to memory of 636	4764	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 4764 wrote to memory of 636	4764	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 4764 wrote to memory of 636	4764	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 2552 wrote to memory of 860	2552	Explorer.EXE	cmstp.exe
PID 2552 wrote to memory of 860	2552	Explorer.EXE	cmstp.exe
PID 2552 wrote to memory of 860	2552	Explorer.EXE	cmstp.exe
PID 860 wrote to memory of 684	860	cmstp.exe	cmd.exe
PID 860 wrote to memory of 684	860	cmstp.exe	cmd.exe
PID 860 wrote to memory of 684	860	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2552

C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4764

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tWlheYLXvcta" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4121.tmp"
3⤵
- Creates scheduled task(s)
PID:960

C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:636

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:860

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE pdf.exe"
3⤵
PID:684

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4121.tmp
MD5
1be8d28d22b63a53dc77acf38c2af493

SHA1
635af7d4d97251090bfee35dc2a38dc0a2a62612

SHA256
54250183f9d27455f203ff510348e0527ee638dc352cf64c723b6ac34ec58b5c

SHA512
457dccded553cc1b5c32872c7fc93dec46009ec73c944e999687a8e31886568a43c0ce20ba51747b04dc5e7cf5e7d3966fdf64b7474cfcd542fc6243cb6f7719

Download Submit
memory/636-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/636-5-0x000000000041EB10-mapping.dmp

Download
memory/684-9-0x0000000000000000-mapping.dmp

Download
memory/860-6-0x0000000000000000-mapping.dmp

Download
memory/860-7-0x0000000000AC0000-0x0000000000AD6000-memory.dmp

Filesize
88KB

Download
memory/860-8-0x0000000000AC0000-0x0000000000AD6000-memory.dmp

Filesize
88KB

Download
memory/860-10-0x00000000056E0000-0x000000000580F000-memory.dmp

Filesize
1.2MB

Download
memory/960-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads