formbook | b44c523e72fa82f2d7a8b894ef7f06822998d5a5c37fe623a299827fa353c71c

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 18:28

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General

Target

Benetti yacht Enquiry.exe
Size

1.1MB
MD5

ea25c184df955f5e4382ce73fe3eb6bb
SHA1

da5ed9ab355a3e5912c3186e3c372b68ffddd8c1
SHA256

b4932161d592d2b1c33be7ef495b873434ea47f9031e44b31338a041b22394ba
SHA512

7fc6bce7097865be62bf45064120e24bbfef026adcef39ad99dbb6533fd7c4de471a67c5982ca930ba8955e991fa92fdca12c8bf1c3f97c0b9077c8a82b661b5
SSDEEP

24576:cFOsBgo0q4wMMBmCmTOUd+L6kaXWUp5xzc0B4p+v/5QjK5pqiebU:cEoHMUmCm6Ud+zaXPJcaW+H5QjspqieQ

Score

10^/10

formbook gmtr discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gmtr

Decoy

kocnetelgroup.com

william-and-alexandra.com

overseasdata.com

the-wild-wild-east.com

analistaweb.net

hybridkarts.com

secure-apple-ld.com

semjasessprx.com

ahaa.store

9maskgame.online

bellydancer-cicycai.com

qy35tc.com

immopix.net

catarinayamamoto.com

binvestcrm.com

mycsource.com

cookedonpropane.net

melmorg.com

mattkalita.com

animalkitchen.net

Signatures

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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/1524-8-0x0000000005280000-0x0000000005292000-memory.dmp	CustAttr

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/536-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/536-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/536-22-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1524 set thread context of 536	1524	Benetti yacht Enquiry.exe	102
PID 536 set thread context of 3504	536	Benetti yacht Enquiry.exe	56
PID 536 set thread context of 3504	536	Benetti yacht Enquiry.exe	56
PID 4600 set thread context of 3504	4600	cscript.exe	56

System Location Discovery: System Language Discovery 1 TTPs 4 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	Benetti yacht Enquiry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Benetti yacht Enquiry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

pid	Process
536	Benetti yacht Enquiry.exe
536	Benetti yacht Enquiry.exe
536	Benetti yacht Enquiry.exe
536	Benetti yacht Enquiry.exe
536	Benetti yacht Enquiry.exe
536	Benetti yacht Enquiry.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe
4600	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
536	Benetti yacht Enquiry.exe
536	Benetti yacht Enquiry.exe
536	Benetti yacht Enquiry.exe
536	Benetti yacht Enquiry.exe
4600	cscript.exe
4600	cscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	536	Benetti yacht Enquiry.exe
Token: SeDebugPrivilege	4600	cscript.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 536	1524	Benetti yacht Enquiry.exe	102
PID 1524 wrote to memory of 536	1524	Benetti yacht Enquiry.exe	102
PID 1524 wrote to memory of 536	1524	Benetti yacht Enquiry.exe	102
PID 1524 wrote to memory of 536	1524	Benetti yacht Enquiry.exe	102
PID 1524 wrote to memory of 536	1524	Benetti yacht Enquiry.exe	102
PID 1524 wrote to memory of 536	1524	Benetti yacht Enquiry.exe	102
PID 536 wrote to memory of 4600	536	Benetti yacht Enquiry.exe	117
PID 536 wrote to memory of 4600	536	Benetti yacht Enquiry.exe	117
PID 536 wrote to memory of 4600	536	Benetti yacht Enquiry.exe	117
PID 4600 wrote to memory of 4892	4600	cscript.exe	118
PID 4600 wrote to memory of 4892	4600	cscript.exe	118
PID 4600 wrote to memory of 4892	4600	cscript.exe	118

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3504
- C:\Users\Admin\AppData\Local\Temp\Benetti yacht Enquiry.exe
  "C:\Users\Admin\AppData\Local\Temp\Benetti yacht Enquiry.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1524
- - C:\Users\Admin\AppData\Local\Temp\Benetti yacht Enquiry.exe
    "C:\Users\Admin\AppData\Local\Temp\Benetti yacht Enquiry.exe"
    3⤵
    - 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:536
  - - C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\SysWOW64\cscript.exe"
      4⤵
      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:4600
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\Benetti yacht Enquiry.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4892
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:216
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4588
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4344
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:932
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4048
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:684
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:656
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3700
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4416
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4944
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1696
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3680
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2892
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2360

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/536-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/536-22-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/536-23-0x00000000036B0000-0x00000000036C4000-memory.dmp

Filesize
80KB

Download
memory/536-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/536-19-0x0000000001A30000-0x0000000001A44000-memory.dmp

Filesize
80KB

Download
memory/536-16-0x0000000001A50000-0x0000000001D9A000-memory.dmp

Filesize
3.3MB

Download
memory/1524-7-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/1524-3-0x00000000057D0000-0x0000000005D74000-memory.dmp

Filesize
5.6MB

Download
memory/1524-8-0x0000000005280000-0x0000000005292000-memory.dmp

Filesize
72KB

Download
memory/1524-9-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/1524-10-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/1524-11-0x0000000006C50000-0x0000000006CD2000-memory.dmp

Filesize
520KB

Download
memory/1524-12-0x0000000006CD0000-0x0000000006D0A000-memory.dmp

Filesize
232KB

Download
memory/1524-6-0x0000000005360000-0x00000000053B6000-memory.dmp

Filesize
344KB

Download
memory/1524-15-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/1524-5-0x0000000005240000-0x000000000524A000-memory.dmp

Filesize
40KB

Download
memory/1524-4-0x00000000052C0000-0x0000000005352000-memory.dmp

Filesize
584KB

Download
memory/1524-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/1524-1-0x00000000006B0000-0x00000000007D8000-memory.dmp

Filesize
1.2MB

Download
memory/1524-2-0x0000000005180000-0x000000000521C000-memory.dmp

Filesize
624KB

Download
memory/3504-24-0x0000000007A30000-0x0000000007B25000-memory.dmp

Filesize
980KB

Download
memory/3504-20-0x00000000032B0000-0x00000000033CE000-memory.dmp

Filesize
1.1MB

Download
memory/3504-25-0x00000000032B0000-0x00000000033CE000-memory.dmp

Filesize
1.1MB

Download
memory/3504-28-0x0000000007A30000-0x0000000007B25000-memory.dmp

Filesize
980KB

Download
memory/3504-31-0x0000000008730000-0x000000000882F000-memory.dmp

Filesize
1020KB

Download
memory/3504-32-0x0000000008730000-0x000000000882F000-memory.dmp

Filesize
1020KB

Download
memory/3504-34-0x0000000008730000-0x000000000882F000-memory.dmp

Filesize
1020KB

Download
memory/4600-27-0x0000000000CF0000-0x0000000000D17000-memory.dmp

Filesize
156KB

Download
memory/4600-26-0x0000000000CF0000-0x0000000000D17000-memory.dmp

Filesize
156KB

Download