formbook | 3903f75f7f0106aa34486f7c546b98a1eba03b1a0d901ccd09fb90294de857a4

General

Target

INVOICE.exe
Size

900KB
MD5

94fbca3f42d439bed773a04e82b29827
SHA1

e804a967276c25df1b48e8b5f35109a2559cc55d
SHA256

3903f75f7f0106aa34486f7c546b98a1eba03b1a0d901ccd09fb90294de857a4
SHA512

21d8802c3bca47ba6d8fcbc20a1bd6a6502d32a5dad4fc1fa6e4b79266734046efa9e4ed807b99129ecf3427b9a4b2ec644e29a2f18d249081074aa99a7a2fd1
SSDEEP

12288:jXNIMvqVefEu5JunXd0qe06DgKWlkmaWpJOBqm3xraOVbp1G+B/NP:7NICSapUKVmaM/AbLn

Score

10^/10

formbook p94a rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

p94a

Decoy

wishgrove.com

parqueveiculos.com

spiderwebs.online

chulkanadham.com

cdtuan.net

zxazm.com

payment6528832.xyz

fengtaiol.com

bffsmovie.com

aliceseagerfitness.com

garisluruskonsulindo.website

analytical-gutter.net

ahcq8.com

fenyoga.com

ecleptic.cat

conjurecrafts.com

aquaway.date

apenpokkenschoonmaakbedrijf.com

zgramr.top

boweknives.site

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1988-64-0x000000000041F0F0-mapping.dmp	formbook
behavioral1/memory/1988-63-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1988-66-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1972-73-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook
behavioral1/memory/1972-77-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1760 cmd.exe

pid	process
1760	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

INVOICE.exeINVOICE.exeNETSTAT.EXE

description	pid	process	target process
PID 1388 set thread context of 1988	1388	INVOICE.exe	INVOICE.exe
PID 1988 set thread context of 1220	1988	INVOICE.exe	Explorer.EXE
PID 1972 set thread context of 1220	1972	NETSTAT.EXE	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

1972 NETSTAT.EXE

pid	process
1972	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

INVOICE.exeNETSTAT.EXE

pid	process
1988	INVOICE.exe
1988	INVOICE.exe
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE
1972	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

INVOICE.exeNETSTAT.EXE

pid process

1988 INVOICE.exe
1988 INVOICE.exe
1988 INVOICE.exe
1972 NETSTAT.EXE
1972 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

INVOICE.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 1988 INVOICE.exe
Token: SeDebugPrivilege 1972 NETSTAT.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1988	INVOICE.exe
Token: SeDebugPrivilege	1972	NETSTAT.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

INVOICE.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 1388 wrote to memory of 1988	1388	INVOICE.exe	INVOICE.exe
PID 1388 wrote to memory of 1988	1388	INVOICE.exe	INVOICE.exe
PID 1388 wrote to memory of 1988	1388	INVOICE.exe	INVOICE.exe
PID 1388 wrote to memory of 1988	1388	INVOICE.exe	INVOICE.exe
PID 1388 wrote to memory of 1988	1388	INVOICE.exe	INVOICE.exe
PID 1388 wrote to memory of 1988	1388	INVOICE.exe	INVOICE.exe
PID 1388 wrote to memory of 1988	1388	INVOICE.exe	INVOICE.exe
PID 1220 wrote to memory of 1972	1220	Explorer.EXE	NETSTAT.EXE
PID 1220 wrote to memory of 1972	1220	Explorer.EXE	NETSTAT.EXE
PID 1220 wrote to memory of 1972	1220	Explorer.EXE	NETSTAT.EXE
PID 1220 wrote to memory of 1972	1220	Explorer.EXE	NETSTAT.EXE
PID 1972 wrote to memory of 1760	1972	NETSTAT.EXE	cmd.exe
PID 1972 wrote to memory of 1760	1972	NETSTAT.EXE	cmd.exe
PID 1972 wrote to memory of 1760	1972	NETSTAT.EXE	cmd.exe
PID 1972 wrote to memory of 1760	1972	NETSTAT.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:1220

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1388

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1988

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
3⤵
- Deletes itself
PID:1760

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1220-69-0x0000000007060000-0x00000000071D6000-memory.dmp

Filesize
1.5MB

Download
memory/1220-78-0x00000000073C0000-0x0000000007525000-memory.dmp

Filesize
1.4MB

Download
memory/1220-76-0x00000000073C0000-0x0000000007525000-memory.dmp

Filesize
1.4MB

Download
memory/1388-55-0x00000000753C1000-0x00000000753C3000-memory.dmp

Filesize
8KB

Download
memory/1388-56-0x0000000000780000-0x0000000000798000-memory.dmp

Filesize
96KB

Download
memory/1388-57-0x00000000006B0000-0x00000000006BC000-memory.dmp

Filesize
48KB

Download
memory/1388-58-0x000000000A4E0000-0x000000000A56E000-memory.dmp

Filesize
568KB

Download
memory/1388-59-0x0000000000C80000-0x0000000000CB4000-memory.dmp

Filesize
208KB

Download
memory/1388-54-0x0000000000AB0000-0x0000000000B98000-memory.dmp

Filesize
928KB

Download
memory/1760-71-0x0000000000000000-mapping.dmp

Download
memory/1972-75-0x0000000002000000-0x0000000002093000-memory.dmp

Filesize
588KB

Download
memory/1972-70-0x0000000000000000-mapping.dmp

Download
memory/1972-72-0x00000000009A0000-0x00000000009A9000-memory.dmp

Filesize
36KB

Download
memory/1972-73-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1972-74-0x00000000020F0000-0x00000000023F3000-memory.dmp

Filesize
3.0MB

Download
memory/1972-77-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1988-67-0x0000000000BA0000-0x0000000000EA3000-memory.dmp

Filesize
3.0MB

Download
memory/1988-68-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/1988-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1988-64-0x000000000041F0F0-mapping.dmp

Download
memory/1988-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1988-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1988-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads