formbook | be838fc4e67ed12838f4d0ec554524d54e80a03a3949ced4edfb958edbcb24b8

Analysis

max time kernel
146s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2025, 13:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

REVISEDPO009988.exe
Size

646KB
MD5

ba5b2fbbda46bc857101b8737700f671
SHA1

d07d211aeb27c0fb7fdef5956791fccfed6494f1
SHA256

be838fc4e67ed12838f4d0ec554524d54e80a03a3949ced4edfb958edbcb24b8
SHA512

e7503c578b2ee30dcfe9deced81fd206fa50362a1df9f6d2c6fc5e07d70a9a735750470027617d999e4aeedaaa21e806bcb6374c92246f67daf000bf3229f456
SSDEEP

12288:/sf2Thr0xWYGf0iuHfRvb3bvAGv/qlxm2y3A5fYQIkR:UfKhr6WYmTuHKGvClkMgQf

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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/1964-46-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1964-92-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3124-95-0x0000000000A30000-0x0000000000A5F000-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
5904	powershell.exe
4580	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-1-5-21-3027557611-1484967174-339164627-1000\Control Panel\International\Geo\Nation	REVISEDPO009988.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1704 set thread context of 1964	1704	REVISEDPO009988.exe	97
PID 1964 set thread context of 3472	1964	vbc.exe	56
PID 1964 set thread context of 3472	1964	vbc.exe	56
PID 3124 set thread context of 3472	3124	mstsc.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	REVISEDPO009988.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	mstsc.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
5024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
1704	REVISEDPO009988.exe
1704	REVISEDPO009988.exe
1704	REVISEDPO009988.exe
1704	REVISEDPO009988.exe
5904	powershell.exe
4580	powershell.exe
1704	REVISEDPO009988.exe
5904	powershell.exe
1964	vbc.exe
1964	vbc.exe
1964	vbc.exe
1964	vbc.exe
4580	powershell.exe
1964	vbc.exe
1964	vbc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe
3124	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3472	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1964	vbc.exe
1964	vbc.exe
1964	vbc.exe
1964	vbc.exe
3124	mstsc.exe
3124	mstsc.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	1704	REVISEDPO009988.exe
Token: SeDebugPrivilege	5904	powershell.exe
Token: SeDebugPrivilege	4580	powershell.exe
Token: SeDebugPrivilege	1964	vbc.exe
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeDebugPrivilege	3124	mstsc.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 5904	1704	REVISEDPO009988.exe	91
PID 1704 wrote to memory of 5904	1704	REVISEDPO009988.exe	91
PID 1704 wrote to memory of 5904	1704	REVISEDPO009988.exe	91
PID 1704 wrote to memory of 4580	1704	REVISEDPO009988.exe	93
PID 1704 wrote to memory of 4580	1704	REVISEDPO009988.exe	93
PID 1704 wrote to memory of 4580	1704	REVISEDPO009988.exe	93
PID 1704 wrote to memory of 5024	1704	REVISEDPO009988.exe	95
PID 1704 wrote to memory of 5024	1704	REVISEDPO009988.exe	95
PID 1704 wrote to memory of 5024	1704	REVISEDPO009988.exe	95
PID 1704 wrote to memory of 1964	1704	REVISEDPO009988.exe	97
PID 1704 wrote to memory of 1964	1704	REVISEDPO009988.exe	97
PID 1704 wrote to memory of 1964	1704	REVISEDPO009988.exe	97
PID 1704 wrote to memory of 1964	1704	REVISEDPO009988.exe	97
PID 1704 wrote to memory of 1964	1704	REVISEDPO009988.exe	97
PID 1704 wrote to memory of 1964	1704	REVISEDPO009988.exe	97
PID 3472 wrote to memory of 3124	3472	Explorer.EXE	98
PID 3472 wrote to memory of 3124	3472	Explorer.EXE	98
PID 3472 wrote to memory of 3124	3472	Explorer.EXE	98
PID 3124 wrote to memory of 1628	3124	mstsc.exe	102
PID 3124 wrote to memory of 1628	3124	mstsc.exe	102
PID 3124 wrote to memory of 1628	3124	mstsc.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Users\Admin\AppData\Local\Temp\REVISEDPO009988.exe
  "C:\Users\Admin\AppData\Local\Temp\REVISEDPO009988.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:1704
- - 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\REVISEDPO009988.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5904
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aorjhXHEYJs.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4580
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aorjhXHEYJs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDFF0.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5024
- - 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:1964
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:3124
- - 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:1628

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
ff6783bca67dd58cfee2ae7a7876d8d0

SHA1
ae56c845876430107e8cbe3e55ce9159bfc3078c

SHA256
35666d5a1a4d017f044491d7604eeb3563a9356dc3337feed4f65d9a8ca3853a

SHA512
d7934d4663ce05bb0ad28943980d105d3fe40a9184d53f9fa812e53f4450fe4a32c2e31553be00880d68886a54c59e2619e735f47c6a8a1ed3b1b6636ef67869

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_htf2aiso.hq2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDFF0.tmp

Filesize
1KB

MD5
fa25c9017efbdfb9bbbb8320683ecdf7

SHA1
ca735926d428700154b749618cd3be830232fc78

SHA256
e8ee0b10dda92098ee1575b3674dbf5b897a6a02d7a73c9306f505ede26d74f2

SHA512
957cc85c8c8f92b2c6d149dd48817ac4316b65d233110fb5be94f0e47419852d9a1b7d9339e463d0d49d34f99a7d8d8deb523c9e6b022089840a7057ccc9c6d2

Download Submit
memory/1704-5-0x00000000051A0000-0x00000000051AA000-memory.dmp

Filesize
40KB

Download
memory/1704-3-0x00000000051E0000-0x0000000005272000-memory.dmp

Filesize
584KB

Download
memory/1704-6-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/1704-7-0x0000000005870000-0x0000000005882000-memory.dmp

Filesize
72KB

Download
memory/1704-8-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

Filesize
4KB

Download
memory/1704-9-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/1704-10-0x0000000006470000-0x00000000064E8000-memory.dmp

Filesize
480KB

Download
memory/1704-1-0x0000000000830000-0x00000000008D4000-memory.dmp

Filesize
656KB

Download
memory/1704-48-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/1704-0-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

Filesize
4KB

Download
memory/1704-2-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download
memory/1704-4-0x0000000005310000-0x00000000053AC000-memory.dmp

Filesize
624KB

Download
memory/1964-92-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1964-46-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3124-93-0x0000000000F80000-0x00000000010BA000-memory.dmp

Filesize
1.2MB

Download
memory/3124-94-0x0000000000F80000-0x00000000010BA000-memory.dmp

Filesize
1.2MB

Download
memory/3124-95-0x0000000000A30000-0x0000000000A5F000-memory.dmp

Filesize
188KB

Download
memory/3472-97-0x0000000008D80000-0x0000000008E20000-memory.dmp

Filesize
640KB

Download
memory/4580-80-0x00000000076E0000-0x00000000076EE000-memory.dmp

Filesize
56KB

Download
memory/4580-78-0x0000000007730000-0x00000000077C6000-memory.dmp

Filesize
600KB

Download
memory/4580-91-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/4580-35-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/4580-32-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/4580-83-0x00000000077D0000-0x00000000077D8000-memory.dmp

Filesize
32KB

Download
memory/4580-82-0x00000000077F0000-0x000000000780A000-memory.dmp

Filesize
104KB

Download
memory/4580-52-0x0000000007100000-0x0000000007132000-memory.dmp

Filesize
200KB

Download
memory/4580-54-0x0000000075580000-0x00000000755CC000-memory.dmp

Filesize
304KB

Download
memory/4580-74-0x0000000007370000-0x0000000007413000-memory.dmp

Filesize
652KB

Download
memory/4580-26-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/4580-79-0x00000000076B0000-0x00000000076C1000-memory.dmp

Filesize
68KB

Download
memory/4580-77-0x0000000007520000-0x000000000752A000-memory.dmp

Filesize
40KB

Download
memory/4580-76-0x00000000074B0000-0x00000000074CA000-memory.dmp

Filesize
104KB

Download
memory/5904-34-0x0000000005A30000-0x0000000005A96000-memory.dmp

Filesize
408KB

Download
memory/5904-27-0x0000000005770000-0x0000000005792000-memory.dmp

Filesize
136KB

Download
memory/5904-53-0x0000000075580000-0x00000000755CC000-memory.dmp

Filesize
304KB

Download
memory/5904-64-0x0000000006400000-0x000000000641E000-memory.dmp

Filesize
120KB

Download
memory/5904-81-0x0000000007430000-0x0000000007444000-memory.dmp

Filesize
80KB

Download
memory/5904-50-0x0000000006450000-0x000000000649C000-memory.dmp

Filesize
304KB

Download
memory/5904-49-0x0000000005EC0000-0x0000000005EDE000-memory.dmp

Filesize
120KB

Download
memory/5904-84-0x0000000007510000-0x0000000007518000-memory.dmp

Filesize
32KB

Download
memory/5904-45-0x0000000005AA0000-0x0000000005DF4000-memory.dmp

Filesize
3.3MB

Download
memory/5904-33-0x0000000005970000-0x00000000059D6000-memory.dmp

Filesize
408KB

Download
memory/5904-75-0x0000000007830000-0x0000000007EAA000-memory.dmp

Filesize
6.5MB

Download
memory/5904-90-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/5904-19-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/5904-18-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/5904-16-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/5904-17-0x0000000005110000-0x0000000005738000-memory.dmp

Filesize
6.2MB

Download
memory/5904-15-0x0000000002550000-0x0000000002586000-memory.dmp

Filesize
216KB

Download