formbook | ddcee2fa36f568c004181f3d91b4b75eeb935a28e9b5a3d32d1c0fd78be4fa70

General

Target

villarzx.exe
Size

483KB
MD5

43185ba5682dbd5b9a4aeefd052f2ba7
SHA1

9fb2ca5d4998c28ed9637e7f8c62e001a4a262d1
SHA256

ddcee2fa36f568c004181f3d91b4b75eeb935a28e9b5a3d32d1c0fd78be4fa70
SHA512

b7f148d97395b0ad4ba5dc0166d6e0c15df1514763a367c5518f0df771b64dee9f411a9bc295acec0a07b27d58d639704488a2c93531c5f34fa227449aba2ad0

Score

10^/10

formbook jy0b rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

jy0b

C2

http://www.filecrev.com/jy0b/

Decoy

lamejorimagen.com

mykabukibrush.com

modgon.com

barefoottherapeutics.com

shimpeg.net

trade-sniper.com

chiangkhancityhotel.com

joblessmoni.club

stespritsubways.com

chico-group.com

nni8.xyz

searchtypically.online

jobsyork.com

bestsales-crypto.com

iqmarketing.info

bullcityphotobooths.com

fwssc.icu

1oc87s.icu

usdiesel.xyz

secrets2optimumnutrition.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/1656-62-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1656-63-0x000000000041F150-mapping.dmp	formbook
behavioral1/memory/672-70-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

432 cmd.exe

pid	process
432	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

villarzx.exevillarzx.exewininit.exe

description	pid	process	target process
PID 368 set thread context of 1656	368	villarzx.exe	villarzx.exe
PID 1656 set thread context of 1376	1656	villarzx.exe	Explorer.EXE
PID 672 set thread context of 1376	672	wininit.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

villarzx.exewininit.exe

pid	process
1656	villarzx.exe
1656	villarzx.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe
672	wininit.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

villarzx.exewininit.exe

pid process

1656 villarzx.exe
1656 villarzx.exe
1656 villarzx.exe
672 wininit.exe
672 wininit.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

villarzx.exewininit.exe

description pid process

Token: SeDebugPrivilege 1656 villarzx.exe
Token: SeDebugPrivilege 672 wininit.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1376 Explorer.EXE
1376 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1376 Explorer.EXE
1376 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1656	villarzx.exe
Token: SeDebugPrivilege	672	wininit.exe

pid	process
1376	Explorer.EXE
1376	Explorer.EXE

pid	process
1376	Explorer.EXE
1376	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

villarzx.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 368 wrote to memory of 1656	368	villarzx.exe	villarzx.exe
PID 368 wrote to memory of 1656	368	villarzx.exe	villarzx.exe
PID 368 wrote to memory of 1656	368	villarzx.exe	villarzx.exe
PID 368 wrote to memory of 1656	368	villarzx.exe	villarzx.exe
PID 368 wrote to memory of 1656	368	villarzx.exe	villarzx.exe
PID 368 wrote to memory of 1656	368	villarzx.exe	villarzx.exe
PID 368 wrote to memory of 1656	368	villarzx.exe	villarzx.exe
PID 1376 wrote to memory of 672	1376	Explorer.EXE	wininit.exe
PID 1376 wrote to memory of 672	1376	Explorer.EXE	wininit.exe
PID 1376 wrote to memory of 672	1376	Explorer.EXE	wininit.exe
PID 1376 wrote to memory of 672	1376	Explorer.EXE	wininit.exe
PID 672 wrote to memory of 432	672	wininit.exe	cmd.exe
PID 672 wrote to memory of 432	672	wininit.exe	cmd.exe
PID 672 wrote to memory of 432	672	wininit.exe	cmd.exe
PID 672 wrote to memory of 432	672	wininit.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:1376

C:\Users\Admin\AppData\Local\Temp\villarzx.exe
"C:\Users\Admin\AppData\Local\Temp\villarzx.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:368

C:\Users\Admin\AppData\Local\Temp\villarzx.exe
"C:\Users\Admin\AppData\Local\Temp\villarzx.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1656

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:672

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\villarzx.exe"
3⤵
- Deletes itself
PID:432

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/368-54-0x0000000000010000-0x0000000000011000-memory.dmp

Filesize
4KB

Download
memory/368-56-0x0000000074B91000-0x0000000074B93000-memory.dmp

Filesize
8KB

Download
memory/368-57-0x0000000000500000-0x0000000000507000-memory.dmp

Filesize
28KB

Download
memory/368-58-0x0000000004E90000-0x0000000004E91000-memory.dmp

Filesize
4KB

Download
memory/368-59-0x0000000004CD0000-0x0000000004D20000-memory.dmp

Filesize
320KB

Download
memory/432-72-0x0000000000000000-mapping.dmp

Download
memory/672-68-0x0000000000000000-mapping.dmp

Download
memory/672-70-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/672-71-0x0000000001EE0000-0x00000000021E3000-memory.dmp

Filesize
3.0MB

Download
memory/672-69-0x0000000000230000-0x000000000024A000-memory.dmp

Filesize
104KB

Download
memory/672-73-0x0000000001D40000-0x0000000001DD3000-memory.dmp

Filesize
588KB

Download
memory/1376-67-0x00000000068C0000-0x0000000006A01000-memory.dmp

Filesize
1.3MB

Download
memory/1376-74-0x0000000004F90000-0x00000000050A1000-memory.dmp

Filesize
1.1MB

Download
memory/1656-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1656-63-0x000000000041F150-mapping.dmp

Download
memory/1656-65-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/1656-66-0x0000000000310000-0x0000000000324000-memory.dmp

Filesize
80KB

Download
memory/1656-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1656-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads