formbook | 33fe1536a423be11bd3b530e661c8509e1c21773785ef41df17b7c507f340ef1

Analysis

max time kernel
149s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
15/04/2026, 07:54

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General

Target
Order request 204S095.js
Size 1.9MB
Sample260415-jrtjxscs2x
SHA256 33fe1536a423be11bd3b530e661c8509e1c21773785ef41df17b7c507f340ef1
MD5 6e2bac6e535c260fde739241291faaa9
SHA1 9a482b3262256dd02e4dfe3f31dc758a9861e38a
SHA512 c2572beb2e9453b63b628cf5a42f917f11ba90535fbbb9cd62d9c39f630612c1fa19018c4e97133694be899c23d1218141521e7ca69444d5c683696fd8d8054f
SSDEEP 24576:fRwYSNVRxajPv1Bx0Q2kZ23usvuB1PphZjZsXdKIfpqmZGuCbILlCa7YM:5+aj3pLEFu99IfkI6S
TLSH
T17995021199C83FB9CFAC661940FE161EA3F049CA501A7989EF73BD4BBFE7A044117198
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution formbook 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 6 IoCs

rat

resource	yara_rule
behavioral2/memory/8-15-0x0000000001490000-0x00000000014D6000-memory.dmp	family_formbook
behavioral2/memory/8-18-0x0000000001490000-0x00000000014D6000-memory.dmp	family_formbook
behavioral2/memory/8-20-0x0000000001490000-0x00000000014D6000-memory.dmp	family_formbook
behavioral2/memory/8-28-0x0000000001490000-0x00000000014D6000-memory.dmp	family_formbook
behavioral2/memory/3548-30-0x0000000001020000-0x0000000001063000-memory.dmp	family_formbook
behavioral2/memory/3548-35-0x0000000001020000-0x0000000001063000-memory.dmp	family_formbook

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
2	3344	wscript.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4404	powershell.exe

ConfuserEx .NET packer 1 IoCs

Detects ConfuserEx .NET packer.

resource	yara_rule
behavioral2/memory/4404-12-0x00000296D12C0000-0x00000296D12D0000-memory.dmp	ConfuserEx

Suspicious use of SetThreadContext 11 IoCs

description	pid	Process	procid_target
PID 4404 set thread context of 8	4404	powershell.exe	86
PID 8 set thread context of 3344	8	aspnet_compiler.exe	78
PID 8 set thread context of 3548	8	aspnet_compiler.exe	87
PID 4404 set thread context of 3148	4404	powershell.exe	89
PID 3548 set thread context of 3344	3548	fixmapi.exe	78
PID 4404 set thread context of 4152	4404	powershell.exe	90
PID 4404 set thread context of 3268	4404	powershell.exe	91
PID 4404 set thread context of 2044	4404	powershell.exe	92
PID 4404 set thread context of 3712	4404	powershell.exe	93
PID 4404 set thread context of 6040	4404	powershell.exe	94
PID 4404 set thread context of 5964	4404	powershell.exe	95

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	fixmapi.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
1048	taskkill.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
4404	powershell.exe
4404	powershell.exe
4404	powershell.exe
4404	powershell.exe
4404	powershell.exe
4404	powershell.exe
4404	powershell.exe
4404	powershell.exe
4404	powershell.exe
4404	powershell.exe
4404	powershell.exe
4404	powershell.exe
4404	powershell.exe
4404	powershell.exe
8	aspnet_compiler.exe
8	aspnet_compiler.exe
8	aspnet_compiler.exe
8	aspnet_compiler.exe
4404	powershell.exe
3548	fixmapi.exe
3548	fixmapi.exe
3548	fixmapi.exe
3548	fixmapi.exe
4404	powershell.exe
4404	powershell.exe
4404	powershell.exe
3148	aspnet_compiler.exe
4404	powershell.exe
4152	aspnet_compiler.exe
4404	powershell.exe
3268	aspnet_compiler.exe
4404	powershell.exe
2044	aspnet_compiler.exe
4404	powershell.exe
3712	aspnet_compiler.exe
4404	powershell.exe
6040	aspnet_compiler.exe
4404	powershell.exe
5964	aspnet_compiler.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
8	aspnet_compiler.exe
3344	wscript.exe
3344	wscript.exe
3548	fixmapi.exe
3548	fixmapi.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4404	powershell.exe
Token: SeDebugPrivilege	1048	taskkill.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 4404	3344	wscript.exe	79
PID 4404 wrote to memory of 3008	4404	powershell.exe	81
PID 4404 wrote to memory of 2960	4404	powershell.exe	82
PID 4404 wrote to memory of 2984	4404	powershell.exe	83
PID 4404 wrote to memory of 5760	4404	powershell.exe	84
PID 4404 wrote to memory of 2200	4404	powershell.exe	85
PID 4404 wrote to memory of 8	4404	powershell.exe	86
PID 4404 wrote to memory of 8	4404	powershell.exe	86
PID 4404 wrote to memory of 8	4404	powershell.exe	86
PID 3344 wrote to memory of 3548	3344	wscript.exe	87
PID 4404 wrote to memory of 2592	4404	powershell.exe	88
PID 4404 wrote to memory of 3148	4404	powershell.exe	89
PID 4404 wrote to memory of 3148	4404	powershell.exe	89
PID 4404 wrote to memory of 3148	4404	powershell.exe	89
PID 4404 wrote to memory of 4152	4404	powershell.exe	90
PID 4404 wrote to memory of 4152	4404	powershell.exe	90
PID 4404 wrote to memory of 4152	4404	powershell.exe	90
PID 4404 wrote to memory of 3268	4404	powershell.exe	91
PID 4404 wrote to memory of 3268	4404	powershell.exe	91
PID 4404 wrote to memory of 3268	4404	powershell.exe	91
PID 4404 wrote to memory of 2044	4404	powershell.exe	92
PID 4404 wrote to memory of 2044	4404	powershell.exe	92
PID 4404 wrote to memory of 2044	4404	powershell.exe	92
PID 4404 wrote to memory of 3712	4404	powershell.exe	93
PID 4404 wrote to memory of 3712	4404	powershell.exe	93
PID 4404 wrote to memory of 3712	4404	powershell.exe	93
PID 4404 wrote to memory of 6040	4404	powershell.exe	94
PID 4404 wrote to memory of 6040	4404	powershell.exe	94
PID 4404 wrote to memory of 6040	4404	powershell.exe	94
PID 4404 wrote to memory of 5964	4404	powershell.exe	95
PID 4404 wrote to memory of 5964	4404	powershell.exe	95
PID 4404 wrote to memory of 5964	4404	powershell.exe	95
PID 3344 wrote to memory of 1048	3344	wscript.exe	97

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Order request 204S095.js"
1⤵
- Badlisted process makes network request
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\ps_Hsdj4DIctgfO_1776239678961.ps1"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4404
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3008
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2960
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    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⤵
    PID:5760
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2200
- - 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:8
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2592
- - 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:3148
- - 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:4152
- - 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:3268
- - 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:2044
- - 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:3712
- - 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:6040
- - 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:5964
- C:\Windows\SysWOW64\fixmapi.exe
  "C:\Windows\SysWOW64\fixmapi.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:3548
- C:\Windows\System32\taskkill.exe
  "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1048

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

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_Hsdj4DIctgfO_1776239678961.ps1

Path C:\Temp\ps_Hsdj4DIctgfO_1776239678961.ps1
Size 1.4MB
SHA256 5d69540ce020e32e5425e58ac9f575d286a6187b32e41a88714f93df199a3bc2
MD5 f04483813a4fcaaa92562ec6e6729854
SHA1 92da76d8004f25a458e2eead9d016f14ef7d5397
SHA512 06e7e1ffd1058a5a282dbc6137d04405e84f371faf105846884e4973ebca0834a0656a1a4bbc1f7577ce27f978ea253881f66c2853d5c381c3b601fbb4fe62f2
SSDEEP 24576:zPkoKgskfqI/wqFRq6xPINnmPAlZ1BLkYg+9/rIuGhi7JFRkRrM6A/8S:zPkvKqI/wsR1ORmIfVxMuIi7jzN/t
TLSH
T1256533314FD07C71893F8B05607B7E6D83B612B2A445C5EE2DC93A956F2E78902BB50E
MD5 SHA1 SHA512 SSDEEP TLSH

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__PSScriptPolicyTest_b0gcqrtg.ovi.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b0gcqrtg.ovi.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/8-18-0x0000000001490000-0x00000000014D6000-memory.dmp

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memory/8-21-0x0000000001D80000-0x0000000001DA5000-memory.dmp

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memory/8-27-0x0000000001DB0000-0x0000000001EC2000-memory.dmp

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memory/8-29-0x0000000001D80000-0x0000000001DA5000-memory.dmp

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memory/8-20-0x0000000001490000-0x00000000014D6000-memory.dmp

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memory/8-25-0x0000000001490000-0x00000000014D6000-memory.dmp

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memory/8-14-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/8-15-0x0000000001490000-0x00000000014D6000-memory.dmp

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memory/8-28-0x0000000001490000-0x00000000014D6000-memory.dmp

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memory/8-17-0x0000000001A20000-0x0000000001D76000-memory.dmp

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memory/3344-48-0x000001F749E50000-0x000001F749F73000-memory.dmp

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memory/3344-33-0x000001F749E50000-0x000001F749F73000-memory.dmp

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memory/3548-30-0x0000000001020000-0x0000000001063000-memory.dmp

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memory/3548-32-0x0000000001490000-0x00000000015A2000-memory.dmp

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memory/3548-35-0x0000000001020000-0x0000000001063000-memory.dmp

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memory/3548-23-0x0000000001020000-0x0000000001063000-memory.dmp

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memory/3548-24-0x0000000001020000-0x0000000001063000-memory.dmp

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memory/4404-13-0x00000296D12D0000-0x00000296D12D6000-memory.dmp

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memory/4404-22-0x00000296B8BF0000-0x00000296B8C02000-memory.dmp

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memory/4404-19-0x00000296B8BB0000-0x00000296B8BC0000-memory.dmp

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memory/4404-16-0x00000296B8BB0000-0x00000296B8BC0000-memory.dmp

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memory/4404-2-0x00000296B8BB0000-0x00000296B8BC0000-memory.dmp

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memory/4404-12-0x00000296D12C0000-0x00000296D12D0000-memory.dmp

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memory/4404-10-0x00000296B8BB0000-0x00000296B8BC0000-memory.dmp

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memory/4404-8-0x00000296B8D90000-0x00000296B8DB2000-memory.dmp

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memory/4404-1-0x00000296B8BB0000-0x00000296B8BC0000-memory.dmp

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