formbook | 1dcf832ed4958dc635c13f89a6d2410a5357bef75ab7c5dd7c59f78c4c249ff4

Analysis

max time kernel
149s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2025, 08:02

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General

Target

Purchase Order-P54477890.exe
Size

680KB
MD5

5ac076044272cb7878a22d6f5581fc4c
SHA1

9055ab9dca9fa390733c23a4de4ec9f15f59aaa5
SHA256

a90bca8c1f6a63cc34a896eb3883428fab6fb6b4aca385ac917fdafcdbf9e774
SHA512

009c77bfa2650940dbeacdc64093b7b9fbff633cfbb96f823a6a314fdd01e52a2d7633d071d10990c6f164edd5942dc6a252e7679d19c02369ddd04b60c4efd6
SSDEEP

12288:o1LM2iN0f2ThrfmT3cNfQhATUQXbFZmS0im4B2ngkR:p1WfKhreTZAYOPjQH

Score

10^/10

formbook bi14 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bi14

Decoy

ilansocials.online

rishticodiegfortyseven.online

ostase-ba.cfd

cinema.tech

omprasyacol.store

esir.shop

umhyal3gvbpl.xyz

lurv.wtf

aospin-sms.xyz

itness-apps-workout1.sbs

reshcarluxury.shop

3xq3.cyou

erraceheatpassion.lifestyle

octurasys.net

ilyrug.net

yj889.xyz

railertof.net

4270766.xyz

sduoduo11.sbs

oeboom.net

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/4768-46-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/976-92-0x0000000000A00000-0x0000000000A2F000-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
4056	powershell.exe
648	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-1-5-21-3833542908-3750648139-3436651901-1000\Control Panel\International\Geo\Nation	Purchase Order-P54477890.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3060 set thread context of 4768	3060	Purchase Order-P54477890.exe	95
PID 4768 set thread context of 3488	4768	vbc.exe	56
PID 976 set thread context of 3488	976	msdt.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	Purchase Order-P54477890.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	msdt.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
4516	schtasks.exe

Suspicious behavior: EnumeratesProcesses 63 IoCs

pid	Process
3060	Purchase Order-P54477890.exe
3060	Purchase Order-P54477890.exe
3060	Purchase Order-P54477890.exe
3060	Purchase Order-P54477890.exe
4056	powershell.exe
648	powershell.exe
3060	Purchase Order-P54477890.exe
3060	Purchase Order-P54477890.exe
3060	Purchase Order-P54477890.exe
4768	vbc.exe
4768	vbc.exe
4056	powershell.exe
4768	vbc.exe
4768	vbc.exe
648	powershell.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe
976	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3488	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4768	vbc.exe
4768	vbc.exe
4768	vbc.exe
976	msdt.exe
976	msdt.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3060	Purchase Order-P54477890.exe
Token: SeDebugPrivilege	4056	powershell.exe
Token: SeDebugPrivilege	648	powershell.exe
Token: SeDebugPrivilege	4768	vbc.exe
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeDebugPrivilege	976	msdt.exe
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 4056	3060	Purchase Order-P54477890.exe	88
PID 3060 wrote to memory of 4056	3060	Purchase Order-P54477890.exe	88
PID 3060 wrote to memory of 4056	3060	Purchase Order-P54477890.exe	88
PID 3060 wrote to memory of 648	3060	Purchase Order-P54477890.exe	90
PID 3060 wrote to memory of 648	3060	Purchase Order-P54477890.exe	90
PID 3060 wrote to memory of 648	3060	Purchase Order-P54477890.exe	90
PID 3060 wrote to memory of 4516	3060	Purchase Order-P54477890.exe	91
PID 3060 wrote to memory of 4516	3060	Purchase Order-P54477890.exe	91
PID 3060 wrote to memory of 4516	3060	Purchase Order-P54477890.exe	91
PID 3060 wrote to memory of 1140	3060	Purchase Order-P54477890.exe	94
PID 3060 wrote to memory of 1140	3060	Purchase Order-P54477890.exe	94
PID 3060 wrote to memory of 1140	3060	Purchase Order-P54477890.exe	94
PID 3060 wrote to memory of 4768	3060	Purchase Order-P54477890.exe	95
PID 3060 wrote to memory of 4768	3060	Purchase Order-P54477890.exe	95
PID 3060 wrote to memory of 4768	3060	Purchase Order-P54477890.exe	95
PID 3060 wrote to memory of 4768	3060	Purchase Order-P54477890.exe	95
PID 3060 wrote to memory of 4768	3060	Purchase Order-P54477890.exe	95
PID 3060 wrote to memory of 4768	3060	Purchase Order-P54477890.exe	95
PID 3488 wrote to memory of 976	3488	Explorer.EXE	96
PID 3488 wrote to memory of 976	3488	Explorer.EXE	96
PID 3488 wrote to memory of 976	3488	Explorer.EXE	96
PID 976 wrote to memory of 1084	976	msdt.exe	97
PID 976 wrote to memory of 1084	976	msdt.exe	97
PID 976 wrote to memory of 1084	976	msdt.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Users\Admin\AppData\Local\Temp\Purchase Order-P54477890.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order-P54477890.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:3060
- - 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\Purchase Order-P54477890.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4056
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nfERrYgNoi.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:648
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nfERrYgNoi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDCD3.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4516
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:1140
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4768
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:976
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1084

Network

MITRE ATT&CK Enterprise v16

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

Replay Monitor

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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
97701e1ef6bf97bf76f2c603400b702f

SHA1
280150e52b7d92b7a3089159564d5f67ac5d5a7d

SHA256
e69b20d590b3a62f7324bff4887229619bc45e08d54f72d8491696c5bc6d7d88

SHA512
c686be4b3764876906b41cbb980ed5289af7971408d8dd3e5cc95beb02533b2074048d6ee9c81da95b7deca562ea051aa8e35b310a6e5975f8c27ff33b2da575

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xl2l22zy.2rr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDCD3.tmp

Filesize
1KB

MD5
682eb43a20470845455ce33041a091f7

SHA1
7ff4e72b8481ddcccc9ec3bf86fed6cf28e7bdde

SHA256
f9bc78734ebf76a8e551f19cd183467fee10eb82e4295048b28f908c1d273614

SHA512
4b263a31a8620f1a10fc0d11af19111280057944d0b67597bf4e78e97c4418a6ff523460258003664cc4cfa6381dddd39095b84ac822252715f58a51f72a1c86

Download Submit
memory/648-91-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/648-45-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/648-71-0x0000000074E50000-0x0000000074E9C000-memory.dmp

Filesize
304KB

Download
memory/648-29-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/648-27-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/976-92-0x0000000000A00000-0x0000000000A2F000-memory.dmp

Filesize
188KB

Download
memory/976-87-0x0000000000FD0000-0x0000000001027000-memory.dmp

Filesize
348KB

Download
memory/3060-6-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/3060-48-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/3060-9-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/3060-8-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/3060-7-0x0000000005A20000-0x0000000005A32000-memory.dmp

Filesize
72KB

Download
memory/3060-10-0x0000000006980000-0x00000000069FA000-memory.dmp

Filesize
488KB

Download
memory/3060-5-0x00000000054D0000-0x00000000054DA000-memory.dmp

Filesize
40KB

Download
memory/3060-4-0x0000000005680000-0x000000000571C000-memory.dmp

Filesize
624KB

Download
memory/3060-3-0x0000000005540000-0x00000000055D2000-memory.dmp

Filesize
584KB

Download
memory/3060-2-0x0000000005A50000-0x0000000005FF4000-memory.dmp

Filesize
5.6MB

Download
memory/3060-1-0x0000000000A30000-0x0000000000ADC000-memory.dmp

Filesize
688KB

Download
memory/3060-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/3488-94-0x0000000008CE0000-0x0000000008DC7000-memory.dmp

Filesize
924KB

Download
memory/4056-34-0x00000000053E0000-0x0000000005734000-memory.dmp

Filesize
3.3MB

Download
memory/4056-69-0x0000000006F50000-0x0000000006F61000-memory.dmp

Filesize
68KB

Download
memory/4056-35-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/4056-49-0x0000000005A20000-0x0000000005A3E000-memory.dmp

Filesize
120KB

Download
memory/4056-50-0x0000000005EC0000-0x0000000005F0C000-memory.dmp

Filesize
304KB

Download
memory/4056-63-0x00000000069E0000-0x00000000069FE000-memory.dmp

Filesize
120KB

Download
memory/4056-64-0x0000000006A10000-0x0000000006AB3000-memory.dmp

Filesize
652KB

Download
memory/4056-53-0x0000000074E50000-0x0000000074E9C000-memory.dmp

Filesize
304KB

Download
memory/4056-52-0x0000000005FF0000-0x0000000006022000-memory.dmp

Filesize
200KB

Download
memory/4056-66-0x0000000006B40000-0x0000000006B5A000-memory.dmp

Filesize
104KB

Download
memory/4056-65-0x0000000007460000-0x0000000007ADA000-memory.dmp

Filesize
6.5MB

Download
memory/4056-67-0x0000000006BC0000-0x0000000006BCA000-memory.dmp

Filesize
40KB

Download
memory/4056-68-0x0000000006FD0000-0x0000000007066000-memory.dmp

Filesize
600KB

Download
memory/4056-15-0x00000000020F0000-0x0000000002126000-memory.dmp

Filesize
216KB

Download
memory/4056-20-0x0000000004C00000-0x0000000004C66000-memory.dmp

Filesize
408KB

Download
memory/4056-70-0x0000000006F80000-0x0000000006F8E000-memory.dmp

Filesize
56KB

Download
memory/4056-81-0x0000000006F90000-0x0000000006FA4000-memory.dmp

Filesize
80KB

Download
memory/4056-82-0x0000000007090000-0x00000000070AA000-memory.dmp

Filesize
104KB

Download
memory/4056-83-0x0000000007070000-0x0000000007078000-memory.dmp

Filesize
32KB

Download
memory/4056-86-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/4056-21-0x0000000004C70000-0x0000000004CD6000-memory.dmp

Filesize
408KB

Download
memory/4056-19-0x0000000004A60000-0x0000000004A82000-memory.dmp

Filesize
136KB

Download
memory/4056-18-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/4056-17-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/4056-16-0x0000000004D30000-0x0000000005358000-memory.dmp

Filesize
6.2MB

Download
memory/4768-46-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download