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/2012-4-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2012-5-0x000000000041EB10-mapping.dmp	formbook
behavioral1/memory/1020-6-0x0000000000000000-mapping.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

540 cmd.exe

pid	process
540	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

SHIPPING INVOICE pdf.exeSHIPPING INVOICE pdf.execmstp.exe

description	pid	process	target process
PID 1068 set thread context of 2012	1068	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 2012 set thread context of 1252	2012	SHIPPING INVOICE pdf.exe	Explorer.EXE
PID 1020 set thread context of 1252	1020	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

1840 schtasks.exe

pid	process
1840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

SHIPPING INVOICE pdf.exeSHIPPING INVOICE pdf.execmstp.exe

pid	process
1068	SHIPPING INVOICE pdf.exe
2012	SHIPPING INVOICE pdf.exe
2012	SHIPPING INVOICE pdf.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe
1020	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

SHIPPING INVOICE pdf.execmstp.exe

pid process

2012 SHIPPING INVOICE pdf.exe
2012 SHIPPING INVOICE pdf.exe
2012 SHIPPING INVOICE pdf.exe
1020 cmstp.exe
1020 cmstp.exe

pid	process
2012	SHIPPING INVOICE pdf.exe
2012	SHIPPING INVOICE pdf.exe
2012	SHIPPING INVOICE pdf.exe
1020	cmstp.exe
1020	cmstp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SHIPPING INVOICE pdf.exeSHIPPING INVOICE pdf.execmstp.exe

description	pid	process
Token: SeDebugPrivilege	1068	SHIPPING INVOICE pdf.exe
Token: SeDebugPrivilege	2012	SHIPPING INVOICE pdf.exe
Token: SeDebugPrivilege	1020	cmstp.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

SHIPPING INVOICE pdf.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1068 wrote to memory of 1840	1068	SHIPPING INVOICE pdf.exe	schtasks.exe
PID 1068 wrote to memory of 1840	1068	SHIPPING INVOICE pdf.exe	schtasks.exe
PID 1068 wrote to memory of 1840	1068	SHIPPING INVOICE pdf.exe	schtasks.exe
PID 1068 wrote to memory of 1840	1068	SHIPPING INVOICE pdf.exe	schtasks.exe
PID 1068 wrote to memory of 2012	1068	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1068 wrote to memory of 2012	1068	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1068 wrote to memory of 2012	1068	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1068 wrote to memory of 2012	1068	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1068 wrote to memory of 2012	1068	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1068 wrote to memory of 2012	1068	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1068 wrote to memory of 2012	1068	SHIPPING INVOICE pdf.exe	SHIPPING INVOICE pdf.exe
PID 1252 wrote to memory of 1020	1252	Explorer.EXE	cmstp.exe
PID 1252 wrote to memory of 1020	1252	Explorer.EXE	cmstp.exe
PID 1252 wrote to memory of 1020	1252	Explorer.EXE	cmstp.exe
PID 1252 wrote to memory of 1020	1252	Explorer.EXE	cmstp.exe
PID 1252 wrote to memory of 1020	1252	Explorer.EXE	cmstp.exe
PID 1252 wrote to memory of 1020	1252	Explorer.EXE	cmstp.exe
PID 1252 wrote to memory of 1020	1252	Explorer.EXE	cmstp.exe
PID 1020 wrote to memory of 540	1020	cmstp.exe	cmd.exe
PID 1020 wrote to memory of 540	1020	cmstp.exe	cmd.exe
PID 1020 wrote to memory of 540	1020	cmstp.exe	cmd.exe
PID 1020 wrote to memory of 540	1020	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1252

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:1068

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tWlheYLXvcta" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF5F3.tmp"
3⤵
- Creates scheduled task(s)
PID:1840

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:2012

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:1020

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE pdf.exe"
3⤵
- Deletes itself
PID:540

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\tmpF5F3.tmp
MD5
f65c579524c99ae8fb7929c092087c18

SHA1
179de779e424c5b3cf988ac978e17724c90e59c7

SHA256
f2b49ea235683fe233a7e2fb6c39f222cb84bc60622203c00e65946f9ba0c1e2

SHA512
11cde1ddb8d8c2a11ea7b8aadea4e7680784087e87cb3fcbb733f3171be95b76913920a18f1d62311c0e5da7c416876bcf6cbb1cb82bc1a93796816273dc6a4f

Download Submit
memory/540-8-0x0000000000000000-mapping.dmp

Download
memory/1020-6-0x0000000000000000-mapping.dmp

Download
memory/1020-7-0x00000000007C0000-0x00000000007D8000-memory.dmp

Filesize
96KB

Download
memory/1020-9-0x0000000001EB0000-0x0000000001F86000-memory.dmp

Filesize
856KB

Download
memory/1840-2-0x0000000000000000-mapping.dmp

Download
memory/2012-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2012-5-0x000000000041EB10-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