formbook | e01ecfb4715d951f1f9a63a88cbecfee8690df2ef98491b76a795e602796c230

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
15/04/2026, 07:58

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General

Target
payment 14.04.2026.js
Size 2.0MB
Sample260415-jtw3tscs6x
SHA256 e01ecfb4715d951f1f9a63a88cbecfee8690df2ef98491b76a795e602796c230
MD5 031b4e2e26a3ac8a616084d279cb23a1
SHA1 a90feb3182a26f726cb3a90fc41e9aa4d0f4f916
SHA512 1d9f3a01e66d9d7e37e6d39d41f592e2171a4097aeacc8ac0fafc8ba19a24f3c6c112406db821d903b289af728baf58029d4c2c744563034b0322c06b93ccaa0
SSDEEP 24576:v0oKyngVx6qyxdqCRSeofWWiTAfLvA+nQsJX54m1fzHjBXf+pH7W9pnCpO7+4YG4:W6VceofWRW3eKP9iopCk+pGk/
TLSH
T14695F2118AC43FB8CFEC161980FE250EA3B04A8E541A758AEF73BD5AEFB7644511719C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

adware 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 4 IoCs

rat

resource	yara_rule
behavioral1/memory/5088-20-0x0000000000910000-0x0000000000956000-memory.dmp	family_formbook
behavioral1/memory/5088-22-0x0000000000910000-0x0000000000956000-memory.dmp	family_formbook
behavioral1/memory/5088-29-0x0000000000910000-0x0000000000956000-memory.dmp	family_formbook
behavioral1/memory/4792-30-0x0000000000540000-0x0000000000583000-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
16	4584	wscript.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4668	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-1-5-21-721190819-434563495-2007910846-1000\Control Panel\International\Geo\Nation	wscript.exe

ConfuserEx .NET packer 4 IoCs

Detects ConfuserEx .NET packer.

resource	yara_rule
behavioral1/memory/4668-13-0x000002EA628C0000-0x000002EA628D2000-memory.dmp	ConfuserEx
behavioral1/memory/4668-16-0x000002EA62DF0000-0x000002EA62E02000-memory.dmp	ConfuserEx
behavioral1/memory/4668-25-0x000002EA628D0000-0x000002EA628E0000-memory.dmp	ConfuserEx
behavioral1/memory/4668-48-0x000002EA4A350000-0x000002EA4A362000-memory.dmp	ConfuserEx

Suspicious use of SetThreadContext 14 IoCs

description	pid	Process	procid_target
PID 4668 set thread context of 5088	4668	powershell.exe	95
PID 5088 set thread context of 4584	5088	aspnet_compiler.exe	83
PID 5088 set thread context of 4792	5088	aspnet_compiler.exe	97
PID 4668 set thread context of 556	4668	powershell.exe	100
PID 4792 set thread context of 4584	4792	proquota.exe	83
PID 4668 set thread context of 2916	4668	powershell.exe	101
PID 4668 set thread context of 3888	4668	powershell.exe	105
PID 4668 set thread context of 5184	4668	powershell.exe	108
PID 4792 set thread context of 5696	4792	proquota.exe	107
PID 4668 set thread context of 5068	4668	powershell.exe	111
PID 4668 set thread context of 4020	4668	powershell.exe	112
PID 4668 set thread context of 3940	4668	powershell.exe	114
PID 4792 set thread context of 3312	4792	proquota.exe	113
PID 4792 set thread context of 2796	4792	proquota.exe	119

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	proquota.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
6132	taskkill.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-721190819-434563495-2007910846-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	proquota.exe

Suspicious behavior: EnumeratesProcesses 43 IoCs

pid	Process
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
5088	aspnet_compiler.exe
5088	aspnet_compiler.exe
5088	aspnet_compiler.exe
5088	aspnet_compiler.exe
4668	powershell.exe
4792	proquota.exe
4792	proquota.exe
4792	proquota.exe
4792	proquota.exe
4668	powershell.exe
556	aspnet_compiler.exe
4668	powershell.exe
2916	aspnet_compiler.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
4668	powershell.exe
3888	aspnet_compiler.exe
4668	powershell.exe
5184	aspnet_compiler.exe
4668	powershell.exe
5068	aspnet_compiler.exe
4668	powershell.exe
4020	aspnet_compiler.exe
4668	powershell.exe
3940	aspnet_compiler.exe

Suspicious behavior: MapViewOfSection 11 IoCs

pid	Process
5088	aspnet_compiler.exe
4584	wscript.exe
4584	wscript.exe
4792	proquota.exe
4792	proquota.exe
4792	proquota.exe
4792	proquota.exe
4792	proquota.exe
4792	proquota.exe
4792	proquota.exe
4792	proquota.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4668	powershell.exe
Token: SeDebugPrivilege	6132	taskkill.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 4668	4584	wscript.exe	84
PID 4668 wrote to memory of 5448	4668	powershell.exe	86
PID 4668 wrote to memory of 3100	4668	powershell.exe	87
PID 4668 wrote to memory of 3236	4668	powershell.exe	88
PID 4668 wrote to memory of 2468	4668	powershell.exe	89
PID 4668 wrote to memory of 2144	4668	powershell.exe	90
PID 4668 wrote to memory of 5088	4668	powershell.exe	95
PID 4668 wrote to memory of 5088	4668	powershell.exe	95
PID 4668 wrote to memory of 5088	4668	powershell.exe	95
PID 4584 wrote to memory of 4792	4584	wscript.exe	97
PID 4668 wrote to memory of 556	4668	powershell.exe	100
PID 4668 wrote to memory of 556	4668	powershell.exe	100
PID 4668 wrote to memory of 556	4668	powershell.exe	100
PID 4668 wrote to memory of 2916	4668	powershell.exe	101
PID 4668 wrote to memory of 2916	4668	powershell.exe	101
PID 4668 wrote to memory of 2916	4668	powershell.exe	101
PID 4668 wrote to memory of 3032	4668	powershell.exe	102
PID 4668 wrote to memory of 3700	4668	powershell.exe	103
PID 4668 wrote to memory of 5100	4668	powershell.exe	104
PID 4668 wrote to memory of 3888	4668	powershell.exe	105
PID 4668 wrote to memory of 3888	4668	powershell.exe	105
PID 4668 wrote to memory of 3888	4668	powershell.exe	105
PID 4792 wrote to memory of 5696	4792	proquota.exe	107
PID 4668 wrote to memory of 5184	4668	powershell.exe	108
PID 4668 wrote to memory of 5184	4668	powershell.exe	108
PID 4668 wrote to memory of 5184	4668	powershell.exe	108
PID 4668 wrote to memory of 5068	4668	powershell.exe	111
PID 4668 wrote to memory of 5068	4668	powershell.exe	111
PID 4668 wrote to memory of 5068	4668	powershell.exe	111
PID 4668 wrote to memory of 4020	4668	powershell.exe	112
PID 4668 wrote to memory of 4020	4668	powershell.exe	112
PID 4668 wrote to memory of 4020	4668	powershell.exe	112
PID 4792 wrote to memory of 3312	4792	proquota.exe	113
PID 4668 wrote to memory of 3940	4668	powershell.exe	114
PID 4668 wrote to memory of 3940	4668	powershell.exe	114
PID 4668 wrote to memory of 3940	4668	powershell.exe	114
PID 4584 wrote to memory of 6132	4584	wscript.exe	115
PID 4792 wrote to memory of 2796	4792	proquota.exe	119

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\payment 14.04.2026.js"
1⤵
- Badlisted process makes network request
- Checks computer location settings
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\ps_ZbBStaBrkYNo_1776239894999.ps1"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4668
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:5448
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3100
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3236
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2468
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2144
- - 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:5088
- - 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:556
- - 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:2916
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3032
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3700
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:5100
- - 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:3888
- - 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:5184
- - 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:5068
- - 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:4020
- - 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:3940
- C:\Windows\SysWOW64\proquota.exe
  "C:\Windows\SysWOW64\proquota.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4792
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    3⤵
    PID:5696
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3312
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2796
- C:\Windows\System32\taskkill.exe
  "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:6132

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:4572

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:6020

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:912

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

Modify Registry

T1112

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

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Downloads

ps_ZbBStaBrkYNo_1776239894999.ps1

Path C:\Temp\ps_ZbBStaBrkYNo_1776239894999.ps1
Size 1.4MB
SHA256 9032b41fce7f8f4b4213d6123990f5bf9a221356259b3521f2112135ea67186e
MD5 76f0f5fc0c03500e9fe282ed7cf2caee
SHA1 fddfca03775d16b6f8f80942d5223b6076c8c6b0
SHA512 b5b5d99d2f97f571e9fb608eb7ad81d6ce7dd7214dfb40753d7cc1b5701379747b78291e02f613e0218cfa9522a5f3586ee5a49c7e1e7434ca80fafd1396a2f0
SSDEEP 24576:5dzkZD7Fo/m1ZKdPjheE4EtOBWoYtdbYjZblebDh4lPRfVh7eS6vvqQxz5cd9wo:HkZDBoxdsE4EMgTiYudWz56wo
TLSH
T1356533643E79B8F80E8C833A26BEDFBC0BF12E950008E4D7B57618921D5BB166543D6D
MD5 SHA1 SHA512 SSDEEP TLSH

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__PSScriptPolicyTest_gibt2021.bu3.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gibt2021.bu3.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/2796-59-0x000001FBBEA30000-0x000001FBBEAFB000-memory.dmp

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memory/3312-55-0x0000021A60690000-0x0000021A6075D000-memory.dmp

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memory/4584-33-0x000001A816E10000-0x000001A816EBA000-memory.dmp

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memory/4584-26-0x000001A813AB0000-0x000001A813ABC000-memory.dmp

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memory/4584-32-0x0000000000760000-0x0000000002F67000-memory.dmp

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memory/4584-24-0x0000000000760000-0x0000000002F67000-memory.dmp

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memory/4584-56-0x000001A816E10000-0x000001A816EBA000-memory.dmp

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memory/4668-12-0x000002EA628D0000-0x000002EA628E0000-memory.dmp

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memory/4668-23-0x000002EA628D0000-0x000002EA628E0000-memory.dmp

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memory/4668-15-0x000002EA628D0000-0x000002EA628E0000-memory.dmp

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memory/4668-19-0x000002EA628D0000-0x000002EA628E0000-memory.dmp

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memory/4668-18-0x000002EA628D0000-0x000002EA628E0000-memory.dmp

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memory/4668-14-0x000002EA62DC0000-0x000002EA62DC6000-memory.dmp

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memory/4668-48-0x000002EA4A350000-0x000002EA4A362000-memory.dmp

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memory/4668-16-0x000002EA62DF0000-0x000002EA62E02000-memory.dmp

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memory/4668-13-0x000002EA628C0000-0x000002EA628D2000-memory.dmp

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memory/4668-25-0x000002EA628D0000-0x000002EA628E0000-memory.dmp

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memory/4668-10-0x000002EA62B50000-0x000002EA62B72000-memory.dmp

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memory/4668-27-0x000002EA48B20000-0x000002EA48B2C000-memory.dmp

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memory/4668-1-0x000002EA628D0000-0x000002EA628E0000-memory.dmp

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memory/4668-2-0x000002EA628D0000-0x000002EA628E0000-memory.dmp

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memory/4792-28-0x0000000000540000-0x0000000000583000-memory.dmp

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memory/4792-30-0x0000000000540000-0x0000000000583000-memory.dmp

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memory/5088-29-0x0000000000910000-0x0000000000956000-memory.dmp

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memory/5088-22-0x0000000000910000-0x0000000000956000-memory.dmp

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memory/5088-21-0x0000000000F40000-0x000000000128A000-memory.dmp

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memory/5088-20-0x0000000000910000-0x0000000000956000-memory.dmp

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memory/5088-17-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/5696-44-0x00000285D64A0000-0x00000285D6563000-memory.dmp

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