formbook | ce7675698547d31f60e89dc0361ea4a0d85f6fa0651a4fc6a57e3e5a552e2413

Analysis

max time kernel
149s
max time network
119s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260617-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/06/2026, 08:03

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General

Target
InquiryQU040526_pdf.js
Size 1.9MB
Sample260623-jxpg6aa18r
SHA256 ce7675698547d31f60e89dc0361ea4a0d85f6fa0651a4fc6a57e3e5a552e2413
MD5 60eb4318bc9c5931a26b1ffc502822ed
SHA1 d6ad73c9ac2085ab878146b4a4cae7b0ccae4027
SHA512 8104ad48dc1026a91725eb3def4503b9e3049a700e4f1b5ceac3940c1a4bc66950148917c8a8c4d36cc582c1e60de304108a448386d5bc33456dc63ae1466397
SSDEEP 24576:GX7IBbnqs3v3QL4h9A51UaNB8eL8GqT75hkpirqN3s8P9KvDNOXG1HGN:AA2DmzRfkR30y
TLSH
T17A95F1114AC42FB4CBAD571D60BF265AE3F00ACE5416658FEB33BD46EFA760052076B8
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution formbook persistence rat spyware stealer trojan

Malware Config

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/2984-45-0x00000000010E0000-0x0000000001126000-memory.dmp	family_formbook
behavioral2/memory/2612-49-0x00000000006E0000-0x0000000000723000-memory.dmp	family_formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2132	powershell.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SystemUpdate_K0OaPG4ef78E_1782201787982.lnk	wscript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3655380807-1096177077-1670381078-1000\Software\Microsoft\Windows\CurrentVersion\Run\SystemUpdate_K0OaPG4ef78E_1782201787982 = "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File \"C:\\Temp\\ps_K0OaPG4ef78E_1782201787982.ps1\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SystemUpdate_K0OaPG4ef78E_1782201787982 = "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File \"C:\\Temp\\ps_K0OaPG4ef78E_1782201787982.ps1\""	wscript.exe

Power Settings 1 TTPs 1 IoCs

powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

persistence

Power Settings

T1653

pid	Process
2612	powercfg.exe

Suspicious use of SetThreadContext 7 IoCs

description	pid	Process	procid_target
PID 2132 set thread context of 2984	2132	powershell.exe	98
PID 2984 set thread context of 800	2984	aspnet_compiler.exe	87
PID 2984 set thread context of 2612	2984	aspnet_compiler.exe	99
PID 2132 set thread context of 488	2132	powershell.exe	101
PID 2612 set thread context of 1424	2612	powercfg.exe
PID 2132 set thread context of 5316	2132	powershell.exe	104
PID 2132 set thread context of 1944	2132	powershell.exe	105

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
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 1 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	powercfg.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	wscript.exe

Suspicious behavior: EnumeratesProcesses 35 IoCs

pid	Process
2132	powershell.exe
2132	powershell.exe
4720	powershell.exe
4720	powershell.exe
2132	powershell.exe
2132	powershell.exe
2132	powershell.exe
2132	powershell.exe
2132	powershell.exe
2132	powershell.exe
2132	powershell.exe
2132	powershell.exe
2132	powershell.exe
2132	powershell.exe
2132	powershell.exe
2132	powershell.exe
2984	aspnet_compiler.exe
2984	aspnet_compiler.exe
2984	aspnet_compiler.exe
2984	aspnet_compiler.exe
2132	powershell.exe
2612	powercfg.exe
2612	powercfg.exe
2612	powercfg.exe
2612	powercfg.exe
2132	powershell.exe
488	aspnet_compiler.exe
2132	powershell.exe
2132	powershell.exe
2132	powershell.exe
2132	powershell.exe
2132	powershell.exe
5316	aspnet_compiler.exe
2132	powershell.exe
1944	aspnet_compiler.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2984	aspnet_compiler.exe
800	wscript.exe
800	wscript.exe
2612	powercfg.exe
2612	powercfg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2132	powershell.exe
Token: SeDebugPrivilege	4720	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 2132	800	wscript.exe	88
PID 2132 wrote to memory of 4496	2132	powershell.exe	93
PID 2132 wrote to memory of 4224	2132	powershell.exe	94
PID 2132 wrote to memory of 3912	2132	powershell.exe	95
PID 2132 wrote to memory of 5920	2132	powershell.exe	96
PID 2132 wrote to memory of 5660	2132	powershell.exe	97
PID 2132 wrote to memory of 2984	2132	powershell.exe	98
PID 2132 wrote to memory of 2984	2132	powershell.exe	98
PID 2132 wrote to memory of 2984	2132	powershell.exe	98
PID 800 wrote to memory of 2612	800	wscript.exe	99
PID 2132 wrote to memory of 488	2132	powershell.exe	101
PID 2132 wrote to memory of 488	2132	powershell.exe	101
PID 2132 wrote to memory of 488	2132	powershell.exe	101
PID 2132 wrote to memory of 4064	2132	powershell.exe	102
PID 2132 wrote to memory of 5888	2132	powershell.exe	103
PID 2132 wrote to memory of 5316	2132	powershell.exe	104
PID 2132 wrote to memory of 5316	2132	powershell.exe	104
PID 2132 wrote to memory of 5316	2132	powershell.exe	104
PID 2132 wrote to memory of 1944	2132	powershell.exe	105
PID 2132 wrote to memory of 1944	2132	powershell.exe	105
PID 2132 wrote to memory of 1944	2132	powershell.exe	105

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\InquiryQU040526_pdf.js
1⤵
- Drops startup file
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:800
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -NonInteractive -NoLogo -File "C:\Temp\ps_K0OaPG4ef78E_1782201787982.ps1"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4496
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4224
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3912
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:5920
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:5660
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    PID:2984
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:488
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4064
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:5888
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:5316
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:1944
- C:\Windows\SysWOW64\powercfg.exe
  "C:\Windows\SysWOW64\powercfg.exe"
  2⤵
  - Power Settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:2612

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4720

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Power Settings

T1653

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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

ps_K0OaPG4ef78E_1782201787982.ps1

Path C:\Temp\ps_K0OaPG4ef78E_1782201787982.ps1
Size 1.4MB
SHA256 1dc91cbbd715eb59a8017e48821b77a19300e01e230d42643c8e133906144924
MD5 c6c88a49e9937a860cc550de9ec18272
SHA1 bce88ea0e514392d4daa049d640b39ac8c9ab6b6
SHA512 71b57f71da6728db815a14f74d7f7b019fcd42d095ac836914c78599fa46a83be6433e4a550026f1b319190ba8e0256fc8b89cfba367e26297850311dace5d88
SSDEEP 24576:ISbq7rnhBJZiwmlu7Voy4iuR23MYTyzUSwpz4VdS+w0TDcoW:nwFTE0Kg3N8U7VCN2oW
TLSH
T1316533A0CFE43EA61F7CC11C90BA7E4E19F51B19200BF4CAB6E565D660AB785C52BC43
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ModuleAnalysisCache

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
Size 67KB
SHA256 f2d08d203b14c7b04c51457c288935997a9b6b4798749b26d2ed76f793c9be01
MD5 54c53233026ab406044ca984f7332dea
SHA1 2de7cbe7779615c5b90ab5ed7564ecd81a1a026c
SHA512 c24116c0a6776343a1ca7cd485d6679a0af74e7f48f75762dac9ff2652dc08c7306d2e12a479867e2383a8f77e51589ef2fd5d525f9c15d1c8fe85f1a0aed49a
SSDEEP 1536:zKLg5GYo2hOovpfKQVCYXflJdreY8iFHzwqR40i71Yi9MQyPiMrxKi3jiRjdvRwG:zKLg5GYo2hOovpfKQVCYXflJdiYhFHzG
TLSH
T1E0636292E9204E75E1A66F3EF15622627C30394690F8113211DC25EFA987D970B1FBFE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2132-18-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-46-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-8-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-9-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-11-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-10-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-13-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-14-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-7-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-15-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-16-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-17-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-6-0x000002B42A990000-0x000002B42A9B2000-memory.dmp

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memory/2132-38-0x000002B42AA20000-0x000002B42AA28000-memory.dmp

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memory/2132-2-0x00007FFD3F91F000-0x00007FFD3F920000-memory.dmp

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memory/2132-53-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-40-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-3-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-20-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-37-0x000002B42A970000-0x000002B42A97C000-memory.dmp

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memory/2132-19-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2132-44-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/2612-48-0x00000000006E0000-0x0000000000723000-memory.dmp

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memory/2612-49-0x00000000006E0000-0x0000000000723000-memory.dmp

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memory/2984-45-0x00000000010E0000-0x0000000001126000-memory.dmp

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memory/2984-43-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/4720-27-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/4720-29-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/4720-25-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/4720-31-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/4720-34-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/4720-36-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/4720-35-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/4720-32-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/4720-33-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/4720-30-0x00000212346A0000-0x00000212346E8000-memory.dmp

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memory/4720-28-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/4720-47-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/4720-26-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/4720-24-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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memory/4720-21-0x00007FFD3F790000-0x00007FFD40134000-memory.dmp

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