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
behavioral1/memory/1808-4-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1808-5-0x000000000041EB10-mapping.dmp	formbook
behavioral1/memory/1484-6-0x0000000000000000-mapping.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1172 cmd.exe

pid	process
1172	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

SHIPPING INVOICE pdf.exeSHIPPING INVOICE pdf.execmstp.exe

description	pid	process	target process
PID 1048 set thread context of 1808	1048	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1808 set thread context of 1216	1808	SHIPPING INVOICE pdf.exe	Explorer.EXE
PID 1484 set thread context of 1216	1484	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

1668 schtasks.exe

pid	process
1668	schtasks.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

SHIPPING INVOICE pdf.exeSHIPPING INVOICE pdf.execmstp.exe

pid	process
1048	SHIPPING INVOICE pdf.exe
1048	SHIPPING INVOICE pdf.exe
1048	SHIPPING INVOICE pdf.exe
1808	SHIPPING INVOICE pdf.exe
1808	SHIPPING INVOICE pdf.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe
1484	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

SHIPPING INVOICE pdf.execmstp.exe

pid process

1808 SHIPPING INVOICE pdf.exe
1808 SHIPPING INVOICE pdf.exe
1808 SHIPPING INVOICE pdf.exe
1484 cmstp.exe
1484 cmstp.exe

pid	process
1808	SHIPPING INVOICE pdf.exe
1808	SHIPPING INVOICE pdf.exe
1808	SHIPPING INVOICE pdf.exe
1484	cmstp.exe
1484	cmstp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SHIPPING INVOICE pdf.exeSHIPPING INVOICE pdf.execmstp.exe

description	pid	process
Token: SeDebugPrivilege	1048	SHIPPING INVOICE pdf.exe
Token: SeDebugPrivilege	1808	SHIPPING INVOICE pdf.exe
Token: SeDebugPrivilege	1484	cmstp.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1216 Explorer.EXE
1216 Explorer.EXE
1216 Explorer.EXE
1216 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1216 Explorer.EXE
1216 Explorer.EXE
1216 Explorer.EXE
1216 Explorer.EXE

pid	process
1216	Explorer.EXE
1216	Explorer.EXE
1216	Explorer.EXE
1216	Explorer.EXE

pid	process
1216	Explorer.EXE
1216	Explorer.EXE
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

SHIPPING INVOICE pdf.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1048 wrote to memory of 1668	1048	SHIPPING INVOICE pdf.exe	schtasks.exe
PID 1048 wrote to memory of 1668	1048	SHIPPING INVOICE pdf.exe	schtasks.exe
PID 1048 wrote to memory of 1668	1048	SHIPPING INVOICE pdf.exe	schtasks.exe
PID 1048 wrote to memory of 1668	1048	SHIPPING INVOICE pdf.exe	schtasks.exe
PID 1048 wrote to memory of 1072	1048	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1048 wrote to memory of 1072	1048	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1048 wrote to memory of 1072	1048	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1048 wrote to memory of 1072	1048	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1048 wrote to memory of 1808	1048	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1048 wrote to memory of 1808	1048	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1048 wrote to memory of 1808	1048	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1048 wrote to memory of 1808	1048	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1048 wrote to memory of 1808	1048	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1048 wrote to memory of 1808	1048	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1048 wrote to memory of 1808	1048	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1216 wrote to memory of 1484	1216	Explorer.EXE	cmstp.exe
PID 1216 wrote to memory of 1484	1216	Explorer.EXE	cmstp.exe
PID 1216 wrote to memory of 1484	1216	Explorer.EXE	cmstp.exe
PID 1216 wrote to memory of 1484	1216	Explorer.EXE	cmstp.exe
PID 1216 wrote to memory of 1484	1216	Explorer.EXE	cmstp.exe
PID 1216 wrote to memory of 1484	1216	Explorer.EXE	cmstp.exe
PID 1216 wrote to memory of 1484	1216	Explorer.EXE	cmstp.exe
PID 1484 wrote to memory of 1172	1484	cmstp.exe	cmd.exe
PID 1484 wrote to memory of 1172	1484	cmstp.exe	cmd.exe
PID 1484 wrote to memory of 1172	1484	cmstp.exe	cmd.exe
PID 1484 wrote to memory of 1172	1484	cmstp.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:1216

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:1048

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tWlheYLXvcta" /XML "C:\Users\Admin\AppData\Local\Temp\tmp11CC.tmp"
3⤵
- Creates scheduled task(s)
PID:1668

C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE pdf.exe"
3⤵
PID:1072

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:1808

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1004

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:1484

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE pdf.exe"
3⤵
- Deletes itself
PID:1172

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp11CC.tmp
MD5
5316ebdce945e3e91a71c3bab890137d

SHA1
6c56a614570a6d51862a2a6b1b77c490610f70a8

SHA256
2eb62c0b7604f4e0f477df56479540b19394e35bfd388f82f30928cc591dbbd3

SHA512
3785504bfc5f12dca3934b02f07f5281f1a43ace242123b6d779f235926a25e707c57d8cd2c733c48e7f5ffdbd2141467e3d733d550ae25e7b7a279c74626e53

Download Submit
memory/1172-8-0x0000000000000000-mapping.dmp

Download
memory/1484-6-0x0000000000000000-mapping.dmp

Download
memory/1484-7-0x0000000000EC0000-0x0000000000ED8000-memory.dmp

Filesize
96KB

Download
memory/1484-9-0x0000000000A70000-0x0000000000B23000-memory.dmp

Filesize
716KB

Download
memory/1668-2-0x0000000000000000-mapping.dmp

Download
memory/1808-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1808-5-0x000000000041EB10-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads