formbook | b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5

Analysis

max time kernel
147s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-10-2024 13:17

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General

Target

DUE INVOICES.bat.exe
Size

580KB
MD5

b6ace82ca0cb9b68828eb46e51739e90
SHA1

31021eee20bc7be003b29968cdfde3b2a2aec56c
SHA256

b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5
SHA512

291ae5b8506282245b0a38976b33d080b692ee26fe3b093cc8903667e9b3a26de6032191c689585f6bf22f7856f45cd061a09877597569cec7d0a720e50cc9f7
SSDEEP

12288:Co9QlwdedsgcQukU7VzTBlUh96ny0UNxYyhzvvkxr/UgVJVicty+Vo3X:ComaTgvukU7hdZkbphzXkxDt/VicU+

Score

10^/10

formbook cu29 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-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/3256-47-0x0000000004940000-0x000000000496F000-memory.dmp	formbook
behavioral2/memory/1012-53-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2580-71-0x0000000000B70000-0x0000000000B9F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1972	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	DUE INVOICES.bat.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3256 set thread context of 1012	3256	DUE INVOICES.bat.exe	101
PID 1012 set thread context of 3520	1012	DUE INVOICES.bat.exe	56
PID 2580 set thread context of 3520	2580	cscript.exe	56

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DUE INVOICES.bat.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-1-5-21-493223053-2004649691-1575712786-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3256	DUE INVOICES.bat.exe
1972	powershell.exe
1972	powershell.exe
3256	DUE INVOICES.bat.exe
3256	DUE INVOICES.bat.exe
1012	DUE INVOICES.bat.exe
1012	DUE INVOICES.bat.exe
1012	DUE INVOICES.bat.exe
1012	DUE INVOICES.bat.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe
2580	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1012	DUE INVOICES.bat.exe
1012	DUE INVOICES.bat.exe
1012	DUE INVOICES.bat.exe
2580	cscript.exe
2580	cscript.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3256	DUE INVOICES.bat.exe
Token: SeDebugPrivilege	1972	powershell.exe
Token: SeDebugPrivilege	1012	DUE INVOICES.bat.exe
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeDebugPrivilege	2580	cscript.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3520	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3256 wrote to memory of 1972	3256	DUE INVOICES.bat.exe	98
PID 3256 wrote to memory of 1972	3256	DUE INVOICES.bat.exe	98
PID 3256 wrote to memory of 1972	3256	DUE INVOICES.bat.exe	98
PID 3256 wrote to memory of 1012	3256	DUE INVOICES.bat.exe	101
PID 3256 wrote to memory of 1012	3256	DUE INVOICES.bat.exe	101
PID 3256 wrote to memory of 1012	3256	DUE INVOICES.bat.exe	101
PID 3256 wrote to memory of 1012	3256	DUE INVOICES.bat.exe	101
PID 3256 wrote to memory of 1012	3256	DUE INVOICES.bat.exe	101
PID 3256 wrote to memory of 1012	3256	DUE INVOICES.bat.exe	101
PID 3520 wrote to memory of 2580	3520	Explorer.EXE	102
PID 3520 wrote to memory of 2580	3520	Explorer.EXE	102
PID 3520 wrote to memory of 2580	3520	Explorer.EXE	102
PID 2580 wrote to memory of 3716	2580	cscript.exe	103
PID 2580 wrote to memory of 3716	2580	cscript.exe	103
PID 2580 wrote to memory of 3716	2580	cscript.exe	103

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:3520
- C:\Users\Admin\AppData\Local\Temp\DUE INVOICES.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\DUE INVOICES.bat.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3256
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\DUE INVOICES.bat.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1972
- - C:\Users\Admin\AppData\Local\Temp\DUE INVOICES.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\DUE INVOICES.bat.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1012
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:2580
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\DUE INVOICES.bat.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4etqvhtv.dmb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1012-52-0x0000000001270000-0x00000000015BA000-memory.dmp

Filesize
3.3MB

Download
memory/1012-53-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1012-54-0x0000000001170000-0x0000000001185000-memory.dmp

Filesize
84KB

Download
memory/1972-32-0x00000000076B0000-0x00000000076E2000-memory.dmp

Filesize
200KB

Download
memory/1972-65-0x0000000007D40000-0x0000000007D48000-memory.dmp

Filesize
32KB

Download
memory/1972-44-0x0000000006CB0000-0x0000000006CCE000-memory.dmp

Filesize
120KB

Download
memory/1972-68-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1972-33-0x000000006EC40000-0x000000006EC8C000-memory.dmp

Filesize
304KB

Download
memory/1972-64-0x0000000007D60000-0x0000000007D7A000-memory.dmp

Filesize
104KB

Download
memory/1972-63-0x0000000007C60000-0x0000000007C74000-memory.dmp

Filesize
80KB

Download
memory/1972-62-0x0000000007C50000-0x0000000007C5E000-memory.dmp

Filesize
56KB

Download
memory/1972-13-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1972-12-0x0000000005150000-0x0000000005186000-memory.dmp

Filesize
216KB

Download
memory/1972-15-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1972-14-0x0000000005920000-0x0000000005F48000-memory.dmp

Filesize
6.2MB

Download
memory/1972-16-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1972-17-0x0000000005730000-0x0000000005752000-memory.dmp

Filesize
136KB

Download
memory/1972-18-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/1972-19-0x00000000060C0000-0x0000000006126000-memory.dmp

Filesize
408KB

Download
memory/1972-61-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1972-25-0x0000000006130000-0x0000000006484000-memory.dmp

Filesize
3.3MB

Download
memory/1972-30-0x0000000006700000-0x000000000671E000-memory.dmp

Filesize
120KB

Download
memory/1972-31-0x0000000006790000-0x00000000067DC000-memory.dmp

Filesize
304KB

Download
memory/1972-60-0x0000000007C20000-0x0000000007C31000-memory.dmp

Filesize
68KB

Download
memory/1972-34-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/1972-59-0x0000000007CA0000-0x0000000007D36000-memory.dmp

Filesize
600KB

Download
memory/1972-58-0x0000000007A90000-0x0000000007A9A000-memory.dmp

Filesize
40KB

Download
memory/1972-57-0x0000000007A20000-0x0000000007A3A000-memory.dmp

Filesize
104KB

Download
memory/1972-46-0x00000000076F0000-0x0000000007793000-memory.dmp

Filesize
652KB

Download
memory/1972-55-0x0000000008060000-0x00000000086DA000-memory.dmp

Filesize
6.5MB

Download
memory/1972-45-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/2580-69-0x0000000000D80000-0x0000000000DA7000-memory.dmp

Filesize
156KB

Download
memory/2580-71-0x0000000000B70000-0x0000000000B9F000-memory.dmp

Filesize
188KB

Download
memory/2580-70-0x0000000000D80000-0x0000000000DA7000-memory.dmp

Filesize
156KB

Download
memory/3256-9-0x0000000007BD0000-0x0000000007C46000-memory.dmp

Filesize
472KB

Download
memory/3256-8-0x00000000053B0000-0x00000000053C2000-memory.dmp

Filesize
72KB

Download
memory/3256-3-0x0000000004F00000-0x0000000004F92000-memory.dmp

Filesize
584KB

Download
memory/3256-5-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3256-1-0x00000000004B0000-0x0000000000548000-memory.dmp

Filesize
608KB

Download
memory/3256-47-0x0000000004940000-0x000000000496F000-memory.dmp

Filesize
188KB

Download
memory/3256-4-0x0000000004FB0000-0x0000000004FBA000-memory.dmp

Filesize
40KB

Download
memory/3256-11-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3256-10-0x000000000A380000-0x000000000A41C000-memory.dmp

Filesize
624KB

Download
memory/3256-2-0x00000000053D0000-0x0000000005974000-memory.dmp

Filesize
5.6MB

Download
memory/3256-6-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/3256-7-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3256-50-0x00000000743F0000-0x0000000074BA0000-memory.dmp

Filesize
7.7MB

Download
memory/3256-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/3520-56-0x0000000008E20000-0x0000000008F43000-memory.dmp

Filesize
1.1MB

Download
memory/3520-74-0x0000000008B10000-0x0000000008BAB000-memory.dmp

Filesize
620KB

Download