formbook | 767f55f50dc1e54dc89051cfcf7875d2af6280d742ea0c24516debccf6664461

Analysis

max time kernel
149s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/08/2024, 07:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

MalwareBazaar.exe
Size

1.1MB
MD5

f669243676d39c9b249440b0fbaa20f1
SHA1

504c020e507873d31baf55b961c4298e47788acc
SHA256

767f55f50dc1e54dc89051cfcf7875d2af6280d742ea0c24516debccf6664461
SHA512

f0736c6be6c0f546836f287165773e25a30586440d09d9c3f815892ac9773b216baf06392bbcbf7cd74b1593a1787a867bf3462d38763954de27de7bc72ba5d1
SSDEEP

24576:MqDEvCTbMWu7rQYlBQcBiT6rprG8aUVWTpRHis:MTvC/MTQYxsWR7aUVWTpc

Score

10^/10

formbook ph01 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ph01

Decoy

23888.sbs

zvcj.sbs

raitpourtrait.net

ibraryfarmclub.online

omputercourses123.live

j88.doctor

atsue-color.click

epitalrentgrup.online

rvvpn.lol

i-signals.tech

cr-phoenix.best

frican-safari.online

c-games.zone

oardetest.online

f4md.shop

uke-saaac.buzz

arze.dev

nvestment-services-49610.bond

izatrip.sbs

ameron-paaaa.buzz

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/4112-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4112-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3588-20-0x0000000000F50000-0x0000000000F7F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 756 set thread context of 4112	756	MalwareBazaar.exe	86
PID 4112 set thread context of 3476	4112	svchost.exe	55
PID 3588 set thread context of 3476	3588	cmmon32.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	MalwareBazaar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4112	svchost.exe
4112	svchost.exe
4112	svchost.exe
4112	svchost.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe
3588	cmmon32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
756	MalwareBazaar.exe
4112	svchost.exe
4112	svchost.exe
4112	svchost.exe
3588	cmmon32.exe
3588	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4112	svchost.exe
Token: SeDebugPrivilege	3588	cmmon32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
756	MalwareBazaar.exe
756	MalwareBazaar.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
756	MalwareBazaar.exe
756	MalwareBazaar.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3476	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 4112	756	MalwareBazaar.exe	86
PID 756 wrote to memory of 4112	756	MalwareBazaar.exe	86
PID 756 wrote to memory of 4112	756	MalwareBazaar.exe	86
PID 756 wrote to memory of 4112	756	MalwareBazaar.exe	86
PID 3476 wrote to memory of 3588	3476	Explorer.EXE	87
PID 3476 wrote to memory of 3588	3476	Explorer.EXE	87
PID 3476 wrote to memory of 3588	3476	Explorer.EXE	87
PID 3588 wrote to memory of 224	3588	cmmon32.exe	88
PID 3588 wrote to memory of 224	3588	cmmon32.exe	88
PID 3588 wrote to memory of 224	3588	cmmon32.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3476
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:756
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4112
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:3588
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:224

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/756-11-0x00000000024A0000-0x00000000024A4000-memory.dmp

Filesize
16KB

Download
memory/3476-17-0x000000000A5B0000-0x000000000A6D8000-memory.dmp

Filesize
1.2MB

Download
memory/3476-24-0x0000000002540000-0x0000000002623000-memory.dmp

Filesize
908KB

Download
memory/3476-25-0x0000000002540000-0x0000000002623000-memory.dmp

Filesize
908KB

Download
memory/3476-28-0x0000000002540000-0x0000000002623000-memory.dmp

Filesize
908KB

Download
memory/3588-18-0x00000000004B0000-0x00000000004BC000-memory.dmp

Filesize
48KB

Download
memory/3588-19-0x00000000004B0000-0x00000000004BC000-memory.dmp

Filesize
48KB

Download
memory/3588-20-0x0000000000F50000-0x0000000000F7F000-memory.dmp

Filesize
188KB

Download
memory/4112-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4112-13-0x0000000001600000-0x000000000194A000-memory.dmp

Filesize
3.3MB

Download
memory/4112-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4112-16-0x0000000001320000-0x0000000001334000-memory.dmp

Filesize
80KB

Download