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 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1996-63-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1996-64-0x000000000041F0F0-mapping.dmp	formbook
behavioral1/memory/1996-66-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1996-74-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1308-78-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/1308-82-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

832 cmd.exe

pid	process
832	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

INVOICE.exeINVOICE.exeraserver.exe

description	pid	process	target process
PID 1764 set thread context of 1996	1764	INVOICE.exe	INVOICE.exe
PID 1996 set thread context of 1204	1996	INVOICE.exe	Explorer.EXE
PID 1996 set thread context of 1204	1996	INVOICE.exe	Explorer.EXE
PID 1308 set thread context of 1204	1308	raserver.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

INVOICE.exeraserver.exe

pid	process
1996	INVOICE.exe
1996	INVOICE.exe
1996	INVOICE.exe
1308	raserver.exe
1308	raserver.exe
1308	raserver.exe
1308	raserver.exe
1308	raserver.exe
1308	raserver.exe
1308	raserver.exe
1308	raserver.exe
1308	raserver.exe
1308	raserver.exe
1308	raserver.exe
1308	raserver.exe
1308	raserver.exe
1308	raserver.exe
1308	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

INVOICE.exeraserver.exe

pid process

1996 INVOICE.exe
1996 INVOICE.exe
1996 INVOICE.exe
1996 INVOICE.exe
1308 raserver.exe
1308 raserver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

INVOICE.exeraserver.exe

description pid process

Token: SeDebugPrivilege 1996 INVOICE.exe
Token: SeDebugPrivilege 1308 raserver.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1996	INVOICE.exe
Token: SeDebugPrivilege	1308	raserver.exe

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

INVOICE.exeINVOICE.exeraserver.exe

description	pid	process	target process
PID 1764 wrote to memory of 1996	1764	INVOICE.exe	INVOICE.exe
PID 1764 wrote to memory of 1996	1764	INVOICE.exe	INVOICE.exe
PID 1764 wrote to memory of 1996	1764	INVOICE.exe	INVOICE.exe
PID 1764 wrote to memory of 1996	1764	INVOICE.exe	INVOICE.exe
PID 1764 wrote to memory of 1996	1764	INVOICE.exe	INVOICE.exe
PID 1764 wrote to memory of 1996	1764	INVOICE.exe	INVOICE.exe
PID 1764 wrote to memory of 1996	1764	INVOICE.exe	INVOICE.exe
PID 1996 wrote to memory of 1308	1996	INVOICE.exe	raserver.exe
PID 1996 wrote to memory of 1308	1996	INVOICE.exe	raserver.exe
PID 1996 wrote to memory of 1308	1996	INVOICE.exe	raserver.exe
PID 1996 wrote to memory of 1308	1996	INVOICE.exe	raserver.exe
PID 1308 wrote to memory of 832	1308	raserver.exe	cmd.exe
PID 1308 wrote to memory of 832	1308	raserver.exe	cmd.exe
PID 1308 wrote to memory of 832	1308	raserver.exe	cmd.exe
PID 1308 wrote to memory of 832	1308	raserver.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204

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:1764

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
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
5⤵
- Deletes itself
PID:832

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/832-76-0x0000000000000000-mapping.dmp

Download
memory/1204-83-0x0000000004AC0000-0x0000000004C09000-memory.dmp

Filesize
1.3MB

Download
memory/1204-72-0x0000000004E90000-0x0000000004FB7000-memory.dmp

Filesize
1.2MB

Download
memory/1204-69-0x0000000007200000-0x0000000007389000-memory.dmp

Filesize
1.5MB

Download
memory/1204-81-0x0000000004AC0000-0x0000000004C09000-memory.dmp

Filesize
1.3MB

Download
memory/1308-78-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1308-82-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1308-80-0x00000000009E0000-0x0000000000A73000-memory.dmp

Filesize
588KB

Download
memory/1308-79-0x0000000002160000-0x0000000002463000-memory.dmp

Filesize
3.0MB

Download
memory/1308-73-0x0000000000000000-mapping.dmp

Download
memory/1308-77-0x0000000000D40000-0x0000000000D5C000-memory.dmp

Filesize
112KB

Download
memory/1764-54-0x00000000010F0000-0x00000000011D8000-memory.dmp

Filesize
928KB

Download
memory/1764-59-0x0000000001090000-0x00000000010C4000-memory.dmp

Filesize
208KB

Download
memory/1764-58-0x0000000005EA0000-0x0000000005F2E000-memory.dmp

Filesize
568KB

Download
memory/1764-57-0x0000000000440000-0x000000000044C000-memory.dmp

Filesize
48KB

Download
memory/1764-56-0x0000000000B90000-0x0000000000BA8000-memory.dmp

Filesize
96KB

Download
memory/1764-55-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download
memory/1996-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1996-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1996-71-0x00000000002F0000-0x0000000000304000-memory.dmp

Filesize
80KB

Download
memory/1996-68-0x0000000000290000-0x00000000002A4000-memory.dmp

Filesize
80KB

Download
memory/1996-67-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/1996-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1996-64-0x000000000041F0F0-mapping.dmp

Download
memory/1996-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1996-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads