formbook | 23808b7d7764dc5d702974b63f7b15c92d86e0ca95826edb47b2f919d911b9c8

Analysis

max time kernel
148s
max time network
135s
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, 13:11

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General

Target

NEW PO-01100177.exe
Size

680KB
MD5

b67c6908e5984a477acc1972d06fc6c1
SHA1

d72884b0aaea09caaec12367e08c729d5cc809fc
SHA256

23808b7d7764dc5d702974b63f7b15c92d86e0ca95826edb47b2f919d911b9c8
SHA512

40ce08028ff9d1724ea703d4619b1ff6f52feb0691f525f2bed807d75f3554f9edbe929e438b5c6f53c3a4c65e0e0e4305bd923b738d4b9b85d96dd2ff70fa55
SSDEEP

12288:Y1J2iN0f2ThrB3sxvLeo3uzNNWasMKGHoAdMhkMvmrFlYuEegQk1hNN0+aU4egZy:w1WfKhrB4vio3uzeasKoAdMhoAR1hNNz

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/668-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2004-85-0x0000000001210000-0x000000000123F000-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
3240	powershell.exe
2308	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	NEW PO-01100177.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 4256 set thread context of 668	4256	NEW PO-01100177.exe	98
PID 668 set thread context of 3220	668	vbc.exe	55
PID 2004 set thread context of 3220	2004	WWAHost.exe	55

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WWAHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NEW PO-01100177.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
1544	schtasks.exe

Suspicious behavior: EnumeratesProcesses 63 IoCs

pid	Process
4256	NEW PO-01100177.exe
4256	NEW PO-01100177.exe
4256	NEW PO-01100177.exe
4256	NEW PO-01100177.exe
2308	powershell.exe
3240	powershell.exe
4256	NEW PO-01100177.exe
668	vbc.exe
668	vbc.exe
668	vbc.exe
668	vbc.exe
3240	powershell.exe
2308	powershell.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe
2004	WWAHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3220	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
668	vbc.exe
668	vbc.exe
668	vbc.exe
2004	WWAHost.exe
2004	WWAHost.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	4256	NEW PO-01100177.exe
Token: SeDebugPrivilege	3240	powershell.exe
Token: SeDebugPrivilege	2308	powershell.exe
Token: SeDebugPrivilege	668	vbc.exe
Token: SeDebugPrivilege	2004	WWAHost.exe
Token: SeShutdownPrivilege	3220	Explorer.EXE
Token: SeCreatePagefilePrivilege	3220	Explorer.EXE
Token: SeShutdownPrivilege	3220	Explorer.EXE
Token: SeCreatePagefilePrivilege	3220	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3220	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 3240	4256	NEW PO-01100177.exe	92
PID 4256 wrote to memory of 3240	4256	NEW PO-01100177.exe	92
PID 4256 wrote to memory of 3240	4256	NEW PO-01100177.exe	92
PID 4256 wrote to memory of 2308	4256	NEW PO-01100177.exe	94
PID 4256 wrote to memory of 2308	4256	NEW PO-01100177.exe	94
PID 4256 wrote to memory of 2308	4256	NEW PO-01100177.exe	94
PID 4256 wrote to memory of 1544	4256	NEW PO-01100177.exe	96
PID 4256 wrote to memory of 1544	4256	NEW PO-01100177.exe	96
PID 4256 wrote to memory of 1544	4256	NEW PO-01100177.exe	96
PID 4256 wrote to memory of 668	4256	NEW PO-01100177.exe	98
PID 4256 wrote to memory of 668	4256	NEW PO-01100177.exe	98
PID 4256 wrote to memory of 668	4256	NEW PO-01100177.exe	98
PID 4256 wrote to memory of 668	4256	NEW PO-01100177.exe	98
PID 4256 wrote to memory of 668	4256	NEW PO-01100177.exe	98
PID 4256 wrote to memory of 668	4256	NEW PO-01100177.exe	98
PID 3220 wrote to memory of 2004	3220	Explorer.EXE	99
PID 3220 wrote to memory of 2004	3220	Explorer.EXE	99
PID 3220 wrote to memory of 2004	3220	Explorer.EXE	99
PID 2004 wrote to memory of 2768	2004	WWAHost.exe	100
PID 2004 wrote to memory of 2768	2004	WWAHost.exe	100
PID 2004 wrote to memory of 2768	2004	WWAHost.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3220
- C:\Users\Admin\AppData\Local\Temp\NEW PO-01100177.exe
  "C:\Users\Admin\AppData\Local\Temp\NEW PO-01100177.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:4256
- - 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\NEW PO-01100177.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3240
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SuiJsyGWbX.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2308
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SuiJsyGWbX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC340.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1544
- - 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:668
- C:\Windows\SysWOW64\WWAHost.exe
  "C:\Windows\SysWOW64\WWAHost.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:2004
- - 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:2768

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
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
4f4e28c7c9ae2f5d209fff718906839f

SHA1
2d76738692298aca06fb377783ace030cacbec6c

SHA256
0348522988cdb7902b5691fe8d85f3cbd128e0c5207e182d315d2cb32b3ef4d6

SHA512
bcf67ccb4dfaedb4ef2c6e521f8ad2a92e2e88cd966ac76f87236e921eb5a5c1c89faa2720a855c78d92d7c80208cf2d98d6d1cc73144094852ec0dc0201d8be

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mgghtgdb.xeq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC340.tmp

Filesize
1KB

MD5
531d166b3b234da658ea66c4d5a72dc8

SHA1
b58e9e5089fbfb3504f055f38b74132115f6ceba

SHA256
28c5971f7ed92cefcb35d936bcfa34f28e4deb88a2dffde7e567686faa8e9bef

SHA512
3100751e604702dc2c9ac27c41b7103dab3786fa33aa70d3be2b7ca0cc65dd3b31b84fc81cf91405af88cced771728231acc5f92db375235c099bd94392f00c1

Download Submit
memory/668-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2004-66-0x0000000000300000-0x00000000003DC000-memory.dmp

Filesize
880KB

Download
memory/2004-65-0x0000000000300000-0x00000000003DC000-memory.dmp

Filesize
880KB

Download
memory/2004-85-0x0000000001210000-0x000000000123F000-memory.dmp

Filesize
188KB

Download
memory/2308-82-0x0000000006FC0000-0x0000000006FCE000-memory.dmp

Filesize
56KB

Download
memory/2308-70-0x0000000074DD0000-0x0000000074E1C000-memory.dmp

Filesize
304KB

Download
memory/2308-38-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/2308-92-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/2308-25-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/2308-23-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/3220-95-0x00000000086B0000-0x0000000008832000-memory.dmp

Filesize
1.5MB

Download
memory/3240-16-0x0000000005B60000-0x0000000006188000-memory.dmp

Filesize
6.2MB

Download
memory/3240-64-0x0000000007850000-0x00000000078F3000-memory.dmp

Filesize
652KB

Download
memory/3240-18-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/3240-17-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/3240-26-0x0000000006270000-0x00000000065C4000-memory.dmp

Filesize
3.3MB

Download
memory/3240-93-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/3240-21-0x0000000005AA0000-0x0000000005B06000-memory.dmp

Filesize
408KB

Download
memory/3240-20-0x0000000005880000-0x00000000058A2000-memory.dmp

Filesize
136KB

Download
memory/3240-15-0x0000000002F10000-0x0000000002F46000-memory.dmp

Filesize
216KB

Download
memory/3240-37-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/3240-86-0x0000000007ED0000-0x0000000007ED8000-memory.dmp

Filesize
32KB

Download
memory/3240-84-0x0000000007EF0000-0x0000000007F0A000-memory.dmp

Filesize
104KB

Download
memory/3240-50-0x0000000006880000-0x000000000689E000-memory.dmp

Filesize
120KB

Download
memory/3240-51-0x0000000006930000-0x000000000697C000-memory.dmp

Filesize
304KB

Download
memory/3240-52-0x0000000007800000-0x0000000007832000-memory.dmp

Filesize
200KB

Download
memory/3240-53-0x0000000074DD0000-0x0000000074E1C000-memory.dmp

Filesize
304KB

Download
memory/3240-63-0x00000000077E0000-0x00000000077FE000-memory.dmp

Filesize
120KB

Download
memory/3240-22-0x0000000006200000-0x0000000006266000-memory.dmp

Filesize
408KB

Download
memory/3240-83-0x0000000007DF0000-0x0000000007E04000-memory.dmp

Filesize
80KB

Download
memory/3240-81-0x0000000007DB0000-0x0000000007DC1000-memory.dmp

Filesize
68KB

Download
memory/3240-67-0x00000000081F0000-0x000000000886A000-memory.dmp

Filesize
6.5MB

Download
memory/3240-68-0x0000000007BB0000-0x0000000007BCA000-memory.dmp

Filesize
104KB

Download
memory/3240-69-0x0000000007C20000-0x0000000007C2A000-memory.dmp

Filesize
40KB

Download
memory/3240-80-0x0000000007E30000-0x0000000007EC6000-memory.dmp

Filesize
600KB

Download
memory/4256-7-0x00000000050D0000-0x00000000050E2000-memory.dmp

Filesize
72KB

Download
memory/4256-8-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/4256-6-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4256-9-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4256-48-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4256-5-0x0000000004C90000-0x0000000004C9A000-memory.dmp

Filesize
40KB

Download
memory/4256-10-0x0000000006210000-0x000000000628A000-memory.dmp

Filesize
488KB

Download
memory/4256-4-0x0000000004D60000-0x0000000004DFC000-memory.dmp

Filesize
624KB

Download
memory/4256-3-0x0000000004CC0000-0x0000000004D52000-memory.dmp

Filesize
584KB

Download
memory/4256-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/4256-2-0x00000000051D0000-0x0000000005774000-memory.dmp

Filesize
5.6MB

Download
memory/4256-1-0x00000000001F0000-0x000000000029C000-memory.dmp

Filesize
688KB

Download