formbook | 23808b7d7764dc5d702974b63f7b15c92d86e0ca95826edb47b2f919d911b9c8

Analysis

max time kernel
145s
max time network
117s
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, 13:14

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General

Target

NEWPO-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/3540-45-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/4740-91-0x0000000000700000-0x000000000072F000-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
1124	powershell.exe
5280	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-1-5-21-3078542121-369484597-920690335-1000\Control Panel\International\Geo\Nation	NEWPO-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 6124 set thread context of 3540	6124	NEWPO-01100177.exe	97
PID 3540 set thread context of 3528	3540	vbc.exe	56
PID 4740 set thread context of 3528	4740	cmmon32.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	NEWPO-01100177.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	cmmon32.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
4364	schtasks.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
6124	NEWPO-01100177.exe
6124	NEWPO-01100177.exe
6124	NEWPO-01100177.exe
6124	NEWPO-01100177.exe
1124	powershell.exe
5280	powershell.exe
6124	NEWPO-01100177.exe
1124	powershell.exe
3540	vbc.exe
3540	vbc.exe
3540	vbc.exe
3540	vbc.exe
5280	powershell.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe
4740	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3528	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3540	vbc.exe
3540	vbc.exe
3540	vbc.exe
4740	cmmon32.exe
4740	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	6124	NEWPO-01100177.exe
Token: SeDebugPrivilege	5280	powershell.exe
Token: SeDebugPrivilege	1124	powershell.exe
Token: SeDebugPrivilege	3540	vbc.exe
Token: SeDebugPrivilege	4740	cmmon32.exe
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 6124 wrote to memory of 1124	6124	NEWPO-01100177.exe	91
PID 6124 wrote to memory of 1124	6124	NEWPO-01100177.exe	91
PID 6124 wrote to memory of 1124	6124	NEWPO-01100177.exe	91
PID 6124 wrote to memory of 5280	6124	NEWPO-01100177.exe	93
PID 6124 wrote to memory of 5280	6124	NEWPO-01100177.exe	93
PID 6124 wrote to memory of 5280	6124	NEWPO-01100177.exe	93
PID 6124 wrote to memory of 4364	6124	NEWPO-01100177.exe	95
PID 6124 wrote to memory of 4364	6124	NEWPO-01100177.exe	95
PID 6124 wrote to memory of 4364	6124	NEWPO-01100177.exe	95
PID 6124 wrote to memory of 3540	6124	NEWPO-01100177.exe	97
PID 6124 wrote to memory of 3540	6124	NEWPO-01100177.exe	97
PID 6124 wrote to memory of 3540	6124	NEWPO-01100177.exe	97
PID 6124 wrote to memory of 3540	6124	NEWPO-01100177.exe	97
PID 6124 wrote to memory of 3540	6124	NEWPO-01100177.exe	97
PID 6124 wrote to memory of 3540	6124	NEWPO-01100177.exe	97
PID 3528 wrote to memory of 4740	3528	Explorer.EXE	98
PID 3528 wrote to memory of 4740	3528	Explorer.EXE	98
PID 3528 wrote to memory of 4740	3528	Explorer.EXE	98
PID 4740 wrote to memory of 5552	4740	cmmon32.exe	99
PID 4740 wrote to memory of 5552	4740	cmmon32.exe	99
PID 4740 wrote to memory of 5552	4740	cmmon32.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Users\Admin\AppData\Local\Temp\NEWPO-01100177.exe
  "C:\Users\Admin\AppData\Local\Temp\NEWPO-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:6124
- - 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\NEWPO-01100177.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1124
- - 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:5280
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SuiJsyGWbX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD02.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4364
- - 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:3540
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:4740
- - 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:5552

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
ad48c8daad5bc10528fad353f9a139cb

SHA1
a1f72b4d9fa41aae3e25209811a3d8611844cd5f

SHA256
af691a5c004243546a7f2097ef5aadc335718570fb5f41a0f5b72aec22c7b5f1

SHA512
3537ddc3d4e7e2c42554ed2bf571698cbbf8801f9591a6846d487d7f0dc2694f4fa8e4bf022113410006c819efb53b522de2ece78fb1debdb10da2ac7bea3f05

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fxxbj4s3.ron.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDD02.tmp

Filesize
1KB

MD5
97c49305dfb7597d967abdd6501cf1ca

SHA1
6283d30e0ec653a4142bd4065e0fd8655128b632

SHA256
d5368fe90741e272a91674464a27e57a77332eba2e43a0fd8f361e472a75828a

SHA512
571a6ca5291c6aefcb6bba8dbe33843fbacfbf897e54a36ebf239103f2bfc50cc3441e481ba6506769e1a66358724e14c601352ebde4b961a49ba3ffc25e75d4

Download Submit
memory/1124-16-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/1124-73-0x0000000007980000-0x0000000007A23000-memory.dmp

Filesize
652KB

Download
memory/1124-82-0x0000000007D90000-0x0000000007DAA000-memory.dmp

Filesize
104KB

Download
memory/1124-81-0x0000000007C90000-0x0000000007CA4000-memory.dmp

Filesize
80KB

Download
memory/1124-80-0x0000000007C80000-0x0000000007C8E000-memory.dmp

Filesize
56KB

Download
memory/1124-79-0x0000000007C50000-0x0000000007C61000-memory.dmp

Filesize
68KB

Download
memory/1124-76-0x0000000007AC0000-0x0000000007ACA000-memory.dmp

Filesize
40KB

Download
memory/1124-15-0x0000000005170000-0x00000000051A6000-memory.dmp

Filesize
216KB

Download
memory/1124-50-0x0000000006CB0000-0x0000000006CFC000-memory.dmp

Filesize
304KB

Download
memory/1124-17-0x00000000057E0000-0x0000000005E08000-memory.dmp

Filesize
6.2MB

Download
memory/1124-74-0x00000000080B0000-0x000000000872A000-memory.dmp

Filesize
6.5MB

Download
memory/1124-83-0x0000000007D70000-0x0000000007D78000-memory.dmp

Filesize
32KB

Download
memory/1124-23-0x00000000060E0000-0x0000000006146000-memory.dmp

Filesize
408KB

Download
memory/1124-22-0x0000000005F80000-0x0000000005FE6000-memory.dmp

Filesize
408KB

Download
memory/1124-21-0x0000000005760000-0x0000000005782000-memory.dmp

Filesize
136KB

Download
memory/1124-90-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/1124-24-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/1124-25-0x0000000006150000-0x00000000064A4000-memory.dmp

Filesize
3.3MB

Download
memory/1124-48-0x0000000006730000-0x000000000674E000-memory.dmp

Filesize
120KB

Download
memory/1124-63-0x000000006FAB0000-0x000000006FAFC000-memory.dmp

Filesize
304KB

Download
memory/3528-93-0x0000000009170000-0x0000000009227000-memory.dmp

Filesize
732KB

Download
memory/3540-45-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4740-78-0x0000000000AC0000-0x0000000000ACC000-memory.dmp

Filesize
48KB

Download
memory/4740-91-0x0000000000700000-0x000000000072F000-memory.dmp

Filesize
188KB

Download
memory/5280-77-0x0000000007270000-0x0000000007306000-memory.dmp

Filesize
600KB

Download
memory/5280-89-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/5280-26-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/5280-20-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/5280-51-0x0000000006C70000-0x0000000006CA2000-memory.dmp

Filesize
200KB

Download
memory/5280-18-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/5280-75-0x0000000006FF0000-0x000000000700A000-memory.dmp

Filesize
104KB

Download
memory/5280-62-0x0000000006C30000-0x0000000006C4E000-memory.dmp

Filesize
120KB

Download
memory/5280-52-0x000000006FAB0000-0x000000006FAFC000-memory.dmp

Filesize
304KB

Download
memory/6124-0-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/6124-9-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/6124-8-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/6124-7-0x0000000005020000-0x0000000005032000-memory.dmp

Filesize
72KB

Download
memory/6124-6-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/6124-5-0x0000000004D20000-0x0000000004D2A000-memory.dmp

Filesize
40KB

Download
memory/6124-4-0x0000000004C80000-0x0000000004D1C000-memory.dmp

Filesize
624KB

Download
memory/6124-10-0x0000000005F80000-0x0000000005FFA000-memory.dmp

Filesize
488KB

Download
memory/6124-3-0x0000000004AB0000-0x0000000004B42000-memory.dmp

Filesize
584KB

Download
memory/6124-2-0x0000000005060000-0x0000000005604000-memory.dmp

Filesize
5.6MB

Download
memory/6124-47-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/6124-1-0x0000000000170000-0x000000000021C000-memory.dmp

Filesize
688KB

Download