formbook | 1b9e77854e399411406c1f8e3fa6e0bceb4a1284c7bedeed503bcb24bdcfbe30

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-08-2024 07:09

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General

Target

MalwareBazaar.exe
Size

653KB
MD5

4f9709aa08fb342403b4a9d952419184
SHA1

07913a57cfe7e1674525397f571ae98d3195a11c
SHA256

1b9e77854e399411406c1f8e3fa6e0bceb4a1284c7bedeed503bcb24bdcfbe30
SHA512

cde7fe3db0ee4fd1876e3b40601e4d9c81ae4b2fa525335d183c9d0314fde6eaaa5820303d3fd2eb0a008f09511c08967fe0ba00fea83c9dee8d98d80f513fe0
SSDEEP

12288:3Zxa/zmcDXmyLO609WOgt3MbOSJ6gAFss9ewhMBdULG503vdPlLVBkR:3ZxaakZb0wr3MRJ7U9ZMBYG503DLVc

Score

10^/10

formbook v15n discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

v15n

Decoy

dyahwoahjuk.store

toysstorm.com

y7rak9.com

2222233p6.shop

betbox2341.com

visualvarta.com

nijssenadventures.com

main-12.site

leng4d.net

kurainu.xyz

hatesa.xyz

culturamosaica.com

supermallify.store

gigboard.app

rxforgive.com

ameliestones.com

kapalwin.live

tier.credit

sobol-ksa.com

faredeal.online

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/892-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/892-77-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2832-94-0x0000000001100000-0x000000000112F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2612	powershell.exe
3496	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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	MalwareBazaar.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 892	2972	MalwareBazaar.exe	92
PID 892 set thread context of 3412	892	MalwareBazaar.exe	56
PID 2832 set thread context of 3412	2832	wlanext.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 6 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3224	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2612	powershell.exe
3496	powershell.exe
892	MalwareBazaar.exe
892	MalwareBazaar.exe
892	MalwareBazaar.exe
892	MalwareBazaar.exe
2612	powershell.exe
3496	powershell.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe
2832	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
892	MalwareBazaar.exe
892	MalwareBazaar.exe
892	MalwareBazaar.exe
2832	wlanext.exe
2832	wlanext.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2612	powershell.exe
Token: SeDebugPrivilege	3496	powershell.exe
Token: SeDebugPrivilege	892	MalwareBazaar.exe
Token: SeDebugPrivilege	2832	wlanext.exe
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3412	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2612	2972	MalwareBazaar.exe	86
PID 2972 wrote to memory of 2612	2972	MalwareBazaar.exe	86
PID 2972 wrote to memory of 2612	2972	MalwareBazaar.exe	86
PID 2972 wrote to memory of 3496	2972	MalwareBazaar.exe	88
PID 2972 wrote to memory of 3496	2972	MalwareBazaar.exe	88
PID 2972 wrote to memory of 3496	2972	MalwareBazaar.exe	88
PID 2972 wrote to memory of 3224	2972	MalwareBazaar.exe	90
PID 2972 wrote to memory of 3224	2972	MalwareBazaar.exe	90
PID 2972 wrote to memory of 3224	2972	MalwareBazaar.exe	90
PID 2972 wrote to memory of 892	2972	MalwareBazaar.exe	92
PID 2972 wrote to memory of 892	2972	MalwareBazaar.exe	92
PID 2972 wrote to memory of 892	2972	MalwareBazaar.exe	92
PID 2972 wrote to memory of 892	2972	MalwareBazaar.exe	92
PID 2972 wrote to memory of 892	2972	MalwareBazaar.exe	92
PID 2972 wrote to memory of 892	2972	MalwareBazaar.exe	92
PID 3412 wrote to memory of 2832	3412	Explorer.EXE	93
PID 3412 wrote to memory of 2832	3412	Explorer.EXE	93
PID 3412 wrote to memory of 2832	3412	Explorer.EXE	93
PID 2832 wrote to memory of 3184	2832	wlanext.exe	94
PID 2832 wrote to memory of 3184	2832	wlanext.exe	94
PID 2832 wrote to memory of 3184	2832	wlanext.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3412
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2972
- - 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\MalwareBazaar.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2612
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dacYzRiJuWECy.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3496
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dacYzRiJuWECy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB844.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3224
- - C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.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:892
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:2832
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
619ce3b0cffc66afed07935201056a0b

SHA1
a9d47143e2cdd2035acda13f6b47ee624f61d597

SHA256
31ce44fc86a88507db253f4fad135aef6fb8918e5879329231dd35273a8432dd

SHA512
f4ce0c6fe2e497b6c2934d97e6884f5fd92bcdc1a677b51a07a19823480242b6759477578a52ac43bf366d54d2290c66b2117b153ee92a86412ac8d251cc12c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tbwt2xsi.jsr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB844.tmp

Filesize
1KB

MD5
8e6859073c3c6fef997cf31b248f510a

SHA1
71bf41b8ca2e1702be2be08c1070464ee4dc6505

SHA256
882f244cd3cfd61f615da39a32d48304f0a2618c9117c4911706cf5f3100f909

SHA512
1df7f32a46672c0b1142413f67f835f97df68db7a54b9d4cff7b0535a37e4f07fd4617144ec9f45a4855166f6a90fe6dcb207d77d4befda99a1609ce2d808877

Download Submit
memory/892-77-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/892-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2612-50-0x00000000067D0000-0x00000000067EE000-memory.dmp

Filesize
120KB

Download
memory/2612-19-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2612-92-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2612-78-0x0000000007B60000-0x0000000007B6A000-memory.dmp

Filesize
40KB

Download
memory/2612-82-0x0000000007CF0000-0x0000000007D01000-memory.dmp

Filesize
68KB

Download
memory/2612-15-0x0000000005240000-0x0000000005276000-memory.dmp

Filesize
216KB

Download
memory/2612-16-0x0000000005900000-0x0000000005F28000-memory.dmp

Filesize
6.2MB

Download
memory/2612-17-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2612-18-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2612-27-0x00000000061A0000-0x00000000064F4000-memory.dmp

Filesize
3.3MB

Download
memory/2612-85-0x0000000007E30000-0x0000000007E4A000-memory.dmp

Filesize
104KB

Download
memory/2612-65-0x00000000753E0000-0x000000007542C000-memory.dmp

Filesize
304KB

Download
memory/2612-22-0x0000000005F60000-0x0000000005F82000-memory.dmp

Filesize
136KB

Download
memory/2612-24-0x0000000006070000-0x00000000060D6000-memory.dmp

Filesize
408KB

Download
memory/2612-23-0x0000000006000000-0x0000000006066000-memory.dmp

Filesize
408KB

Download
memory/2612-86-0x0000000007E10000-0x0000000007E18000-memory.dmp

Filesize
32KB

Download
memory/2612-51-0x0000000006D50000-0x0000000006D9C000-memory.dmp

Filesize
304KB

Download
memory/2832-80-0x00000000005B0000-0x00000000005C7000-memory.dmp

Filesize
92KB

Download
memory/2832-94-0x0000000001100000-0x000000000112F000-memory.dmp

Filesize
188KB

Download
memory/2832-79-0x00000000005B0000-0x00000000005C7000-memory.dmp

Filesize
92KB

Download
memory/2972-4-0x0000000005330000-0x000000000533A000-memory.dmp

Filesize
40KB

Download
memory/2972-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/2972-48-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2972-7-0x0000000005780000-0x000000000578E000-memory.dmp

Filesize
56KB

Download
memory/2972-1-0x00000000008A0000-0x0000000000946000-memory.dmp

Filesize
664KB

Download
memory/2972-2-0x0000000005910000-0x0000000005EB4000-memory.dmp

Filesize
5.6MB

Download
memory/2972-5-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2972-6-0x00000000058A0000-0x00000000058B8000-memory.dmp

Filesize
96KB

Download
memory/2972-10-0x000000000C220000-0x000000000C2BC000-memory.dmp

Filesize
624KB

Download
memory/2972-3-0x0000000005360000-0x00000000053F2000-memory.dmp

Filesize
584KB

Download
memory/2972-9-0x0000000009110000-0x0000000009186000-memory.dmp

Filesize
472KB

Download
memory/2972-8-0x00000000058D0000-0x00000000058E6000-memory.dmp

Filesize
88KB

Download
memory/3412-97-0x0000000008BE0000-0x0000000008D1B000-memory.dmp

Filesize
1.2MB

Download
memory/3496-53-0x00000000753E0000-0x000000007542C000-memory.dmp

Filesize
304KB

Download
memory/3496-81-0x0000000007370000-0x0000000007406000-memory.dmp

Filesize
600KB

Download
memory/3496-76-0x00000000070F0000-0x000000000710A000-memory.dmp

Filesize
104KB

Download
memory/3496-83-0x0000000007320000-0x000000000732E000-memory.dmp

Filesize
56KB

Download
memory/3496-84-0x0000000007330000-0x0000000007344000-memory.dmp

Filesize
80KB

Download
memory/3496-75-0x0000000007730000-0x0000000007DAA000-memory.dmp

Filesize
6.5MB

Download
memory/3496-64-0x0000000006F90000-0x0000000007033000-memory.dmp

Filesize
652KB

Download
memory/3496-63-0x0000000006D20000-0x0000000006D3E000-memory.dmp

Filesize
120KB

Download
memory/3496-52-0x0000000006D40000-0x0000000006D72000-memory.dmp

Filesize
200KB

Download
memory/3496-38-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3496-93-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3496-26-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3496-20-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download