formbook | 439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b

Analysis

max time kernel
147s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2024 05:53

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General

Target

file.exe
Size

1.2MB
MD5

3ce1e9f82cf31e5eb477f2d3515030cb
SHA1

26cb750b98cc12303f41d56d3ce07e325cba8fc4
SHA256

439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b
SHA512

94776549e5a5f2f9afb53d07ddc954fcc66fe8b37c829750457ec283b5c87debdbfe3cc260f108bacd42bfd5947b850458532b807a9510d9c9c6ac99a917846b
SSDEEP

24576:tqDEvCTbMWu7rQYlBQcBiT6rprG8aab43wF/xE3ivuIg:tTvC/MTQYxsWR7aab43w2

Score

10^/10

formbook m50k discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m50k

Decoy

6353.club

qahzjgvuto.bond

airtransplantprice001.shop

enjamin-paaaa.buzz

ealthcare-softwares-my-de.xyz

aeempreendora.online

eaworld.website

ental-implants-spain-99823.bond

inanzcheckup.online

inematography-course-96303.bond

6325.club

wygbv.vip

onceng77gacor.xyz

arehouse-inventory-71481.bond

axihochheim.net

afeteraschile.today

gcq712.top

eonbets-zerkalo-vkhod-wout.buzz

mpathwaycounseling.net

b-0107.xyz

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/2628-12-0x0000000000370000-0x000000000039F000-memory.dmp	formbook
behavioral2/memory/2628-16-0x0000000000370000-0x000000000039F000-memory.dmp	formbook
behavioral2/memory/3188-21-0x0000000000700000-0x000000000072F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3308 set thread context of 2628	3308	file.exe	87
PID 2628 set thread context of 3504	2628	svchost.exe	56
PID 3188 set thread context of 3504	3188	wscript.exe	56

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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe
3188	wscript.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3308	file.exe
3308	file.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
3188	wscript.exe
3188	wscript.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	svchost.exe
Token: SeDebugPrivilege	3188	wscript.exe
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3308	file.exe
3308	file.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3308	file.exe
3308	file.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3504	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 2628	3308	file.exe	87
PID 3308 wrote to memory of 2628	3308	file.exe	87
PID 3308 wrote to memory of 2628	3308	file.exe	87
PID 3308 wrote to memory of 2628	3308	file.exe	87
PID 3504 wrote to memory of 3188	3504	Explorer.EXE	92
PID 3504 wrote to memory of 3188	3504	Explorer.EXE	92
PID 3504 wrote to memory of 3188	3504	Explorer.EXE	92
PID 3188 wrote to memory of 3416	3188	wscript.exe	97
PID 3188 wrote to memory of 3416	3188	wscript.exe	97
PID 3188 wrote to memory of 3416	3188	wscript.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.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:3308
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2628
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1544
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:312
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4120
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2876
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.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:3188
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3416

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

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Downloads

memory/2628-16-0x0000000000370000-0x000000000039F000-memory.dmp

Filesize
188KB

Download
memory/2628-12-0x0000000000370000-0x000000000039F000-memory.dmp

Filesize
188KB

Download
memory/2628-15-0x0000000000AD0000-0x0000000000E1A000-memory.dmp

Filesize
3.3MB

Download
memory/2628-17-0x00000000013C0000-0x00000000013D4000-memory.dmp

Filesize
80KB

Download
memory/3188-19-0x0000000000160000-0x0000000000187000-memory.dmp

Filesize
156KB

Download
memory/3188-20-0x0000000000160000-0x0000000000187000-memory.dmp

Filesize
156KB

Download
memory/3188-21-0x0000000000700000-0x000000000072F000-memory.dmp

Filesize
188KB

Download
memory/3308-11-0x0000000000F40000-0x0000000000F44000-memory.dmp

Filesize
16KB

Download
memory/3504-18-0x0000000007150000-0x0000000007210000-memory.dmp

Filesize
768KB

Download
memory/3504-22-0x0000000007150000-0x0000000007210000-memory.dmp

Filesize
768KB

Download
memory/3504-26-0x0000000008860000-0x0000000008929000-memory.dmp

Filesize
804KB

Download
memory/3504-27-0x0000000008860000-0x0000000008929000-memory.dmp

Filesize
804KB

Download
memory/3504-29-0x0000000008860000-0x0000000008929000-memory.dmp

Filesize
804KB

Download