formbook | 22ef42dc4a3a6dd23518bd34b44e53e11cb2c0ecd50a767e2a684b6cb0baf1e9

Analysis

max time kernel
147s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 00:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Roominglists.exe
Size

749KB
MD5

b5f24a1fd71e559eaa19ebcd80a99d9e
SHA1

dd8b29c0134e7511aec9bef4b06fd67a3cb44153
SHA256

6ff6c5f89aa139e77c9aa300afcdf6d44b0271b6183fbbc53545ebd35cf0d300
SHA512

53002a9a14699cecb6d4d44286c42759a7ee3e750c714a2586870903e4576f0866440635925a5b45c67b2be61a9cf0fb008007a4370d509fb5da9edd6baf1a7e
SSDEEP

6144:4SiQrg69IZsnbzdCQ2IFXAOvo3+6plqs+qGCkBRikK7CQrwWXLIvxhkYu8wvxWP:zgZsnbzdXXK3+6plqs+37IuQ1x6

Score

10^/10

formbook ckvl discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ckvl

Decoy

buketmert.com

hodu61.net

avenuecaca.com

kays.kitchen

8ky4.com

pretty-zoo.com

ds613.com

sacramentohemorrhoidcenter.com

icbcpd.com

zzinpick.com

cloudtestingrules.com

2020-especial-em-casa.com

lapdwde83.club

misionsanlorenzo.com

neenaknows.com

jlsqjjz.com

cazconstructionservices.com

ashihun75.icu

elvantage.com

youmovies.site

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/4668-3-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4668-6-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4536-14-0x0000000000C60000-0x0000000000C8E000-memory.dmp	formbook
behavioral2/memory/4536-19-0x0000000000C60000-0x0000000000C8E000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2248 set thread context of 4668	2248	Roominglists.exe	83
PID 4668 set thread context of 3356	4668	Roominglists.exe	55
PID 4536 set thread context of 3356	4536	msiexec.exe	55

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Roominglists.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4668	Roominglists.exe
4668	Roominglists.exe
4668	Roominglists.exe
4668	Roominglists.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe
4536	msiexec.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2248	Roominglists.exe
4668	Roominglists.exe
4668	Roominglists.exe
4668	Roominglists.exe
4536	msiexec.exe
4536	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4668	Roominglists.exe
Token: SeDebugPrivilege	4536	msiexec.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 4668	2248	Roominglists.exe	83
PID 2248 wrote to memory of 4668	2248	Roominglists.exe	83
PID 2248 wrote to memory of 4668	2248	Roominglists.exe	83
PID 2248 wrote to memory of 4668	2248	Roominglists.exe	83
PID 3356 wrote to memory of 4536	3356	Explorer.EXE	84
PID 3356 wrote to memory of 4536	3356	Explorer.EXE	84
PID 3356 wrote to memory of 4536	3356	Explorer.EXE	84
PID 4536 wrote to memory of 2880	4536	msiexec.exe	86
PID 4536 wrote to memory of 2880	4536	msiexec.exe	86
PID 4536 wrote to memory of 2880	4536	msiexec.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Users\Admin\AppData\Local\Temp\Roominglists.exe
  "C:\Users\Admin\AppData\Local\Temp\Roominglists.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Users\Admin\AppData\Local\Temp\Roominglists.exe
    "C:\Users\Admin\AppData\Local\Temp\Roominglists.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4668
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4536
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Roominglists.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2248-1-0x0000000000E00000-0x0000000000F00000-memory.dmp

Filesize
1024KB

Download
memory/2248-2-0x0000000002C80000-0x0000000002C82000-memory.dmp

Filesize
8KB

Download
memory/3356-25-0x0000000006CD0000-0x0000000006D7A000-memory.dmp

Filesize
680KB

Download
memory/3356-23-0x0000000006CD0000-0x0000000006D7A000-memory.dmp

Filesize
680KB

Download
memory/3356-22-0x0000000006CD0000-0x0000000006D7A000-memory.dmp

Filesize
680KB

Download
memory/3356-16-0x0000000002640000-0x00000000026F8000-memory.dmp

Filesize
736KB

Download
memory/3356-8-0x0000000002640000-0x00000000026F8000-memory.dmp

Filesize
736KB

Download
memory/4536-13-0x0000000000D30000-0x0000000000D42000-memory.dmp

Filesize
72KB

Download
memory/4536-9-0x0000000000D30000-0x0000000000D42000-memory.dmp

Filesize
72KB

Download
memory/4536-11-0x0000000000D30000-0x0000000000D42000-memory.dmp

Filesize
72KB

Download
memory/4536-14-0x0000000000C60000-0x0000000000C8E000-memory.dmp

Filesize
184KB

Download
memory/4536-15-0x0000000002DF0000-0x000000000313A000-memory.dmp

Filesize
3.3MB

Download
memory/4536-18-0x0000000002CF0000-0x0000000002D83000-memory.dmp

Filesize
588KB

Download
memory/4536-19-0x0000000000C60000-0x0000000000C8E000-memory.dmp

Filesize
184KB

Download
memory/4668-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4668-7-0x0000000000EB0000-0x0000000000EC4000-memory.dmp

Filesize
80KB

Download
memory/4668-4-0x0000000000F10000-0x000000000125A000-memory.dmp

Filesize
3.3MB

Download
memory/4668-3-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download