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Analysis
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max time kernel
149s -
max time network
100s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 05:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ed7a0e3a3148469b9895bca2dc3c238f2fe755e91181d6e9fc8f740b980f5f04.exe
Resource
win7-20240508-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
ed7a0e3a3148469b9895bca2dc3c238f2fe755e91181d6e9fc8f740b980f5f04.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
ed7a0e3a3148469b9895bca2dc3c238f2fe755e91181d6e9fc8f740b980f5f04.exe
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Size
70KB
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MD5
7340b39ee7064e95d74abb427811e444
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SHA1
21efc49169c2586fcb24681ea274b82ff6dd16d6
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SHA256
ed7a0e3a3148469b9895bca2dc3c238f2fe755e91181d6e9fc8f740b980f5f04
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SHA512
6e55c51a9e18290427fcc29b4beceaed9a22c69f0dded32438884cbbf1f89885caea4f6c095284d0e309280fdc96b9545d887ee1a7a66fff0823049ed5231b99
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw83:Olg35GTslA5t3/w83
Score
10/10
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" pvokoaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" pvokoaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" pvokoaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" pvokoaf.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5350444F-4846-4d41-5350-444F48464d41} pvokoaf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5350444F-4846-4d41-5350-444F48464d41}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" pvokoaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5350444F-4846-4d41-5350-444F48464d41}\IsInstalled = "1" pvokoaf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5350444F-4846-4d41-5350-444F48464d41}\StubPath = "C:\\Windows\\system32\\ebgeaguc-ucom.exe" pvokoaf.exe -
Sets file execution options in registry 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\eavkeavoas-ereas.exe" pvokoaf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe pvokoaf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" pvokoaf.exe -
Executes dropped EXE 2 IoCs
pid Process 448 pvokoaf.exe 4528 pvokoaf.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" pvokoaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" pvokoaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" pvokoaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" pvokoaf.exe -
Modifies WinLogon 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\eahxoguf-eadat.dll" pvokoaf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" pvokoaf.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} pvokoaf.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify pvokoaf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" pvokoaf.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\eahxoguf-eadat.dll pvokoaf.exe File opened for modification C:\Windows\SysWOW64\pvokoaf.exe pvokoaf.exe File created C:\Windows\SysWOW64\pvokoaf.exe ed7a0e3a3148469b9895bca2dc3c238f2fe755e91181d6e9fc8f740b980f5f04.exe File created C:\Windows\SysWOW64\eavkeavoas-ereas.exe pvokoaf.exe File opened for modification C:\Windows\SysWOW64\ebgeaguc-ucom.exe pvokoaf.exe File created C:\Windows\SysWOW64\ebgeaguc-ucom.exe pvokoaf.exe File opened for modification C:\Windows\SysWOW64\eahxoguf-eadat.dll pvokoaf.exe File opened for modification C:\Windows\SysWOW64\pvokoaf.exe ed7a0e3a3148469b9895bca2dc3c238f2fe755e91181d6e9fc8f740b980f5f04.exe File opened for modification C:\Windows\SysWOW64\eavkeavoas-ereas.exe pvokoaf.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4528 pvokoaf.exe 4528 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe 448 pvokoaf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4600 ed7a0e3a3148469b9895bca2dc3c238f2fe755e91181d6e9fc8f740b980f5f04.exe Token: SeDebugPrivilege 448 pvokoaf.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4600 wrote to memory of 448 4600 ed7a0e3a3148469b9895bca2dc3c238f2fe755e91181d6e9fc8f740b980f5f04.exe 83 PID 4600 wrote to memory of 448 4600 ed7a0e3a3148469b9895bca2dc3c238f2fe755e91181d6e9fc8f740b980f5f04.exe 83 PID 4600 wrote to memory of 448 4600 ed7a0e3a3148469b9895bca2dc3c238f2fe755e91181d6e9fc8f740b980f5f04.exe 83 PID 448 wrote to memory of 4528 448 pvokoaf.exe 84 PID 448 wrote to memory of 4528 448 pvokoaf.exe 84 PID 448 wrote to memory of 4528 448 pvokoaf.exe 84 PID 448 wrote to memory of 608 448 pvokoaf.exe 5 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56 PID 448 wrote to memory of 3444 448 pvokoaf.exe 56
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:608
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3444
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C:\Users\Admin\AppData\Local\Temp\ed7a0e3a3148469b9895bca2dc3c238f2fe755e91181d6e9fc8f740b980f5f04.exe"C:\Users\Admin\AppData\Local\Temp\ed7a0e3a3148469b9895bca2dc3c238f2fe755e91181d6e9fc8f740b980f5f04.exe"2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Windows\SysWOW64\pvokoaf.exe"C:\Windows\system32\pvokoaf.exe"3⤵
- Windows security bypass
- Modifies Installed Components in the registry
- Sets file execution options in registry
- Executes dropped EXE
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:448 -
C:\Windows\SysWOW64\pvokoaf.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4528
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
73KB
MD563ba237eabec1a40002383f53cb7037d
SHA147d34d124d76a7e6e151b6a8a9c8839fb1f1a1da
SHA25621727755884723790992f08a4ab46e0475bbde1774e27b390d7d8692db54351c
SHA512446fbaf537097fbbcb0295e595aa3a987c99035d6ea998126760c084281f80f5975fceebec61413fa87b5c3b0bdfc5fe203f558004970024cda6b8c2c34e4697
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Filesize
72KB
MD5b8bb32e9711b48257ddbcdcb89f42988
SHA174122484b210150ba7e32c6f4c06db6d218d24ce
SHA256557ab41667011feda8657e3f58bfba325a95d4a0a4ca60951719a0a3bfcb855f
SHA512050e2e64ce36066e32ec3a242cec5b93789dc641abe6dba7c445a1ff36cabf96e4085036e0eeb3d4fb539bb03f8a0ed9bdc0de8ff3934be27e4128809c513321
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Filesize
70KB
MD57340b39ee7064e95d74abb427811e444
SHA121efc49169c2586fcb24681ea274b82ff6dd16d6
SHA256ed7a0e3a3148469b9895bca2dc3c238f2fe755e91181d6e9fc8f740b980f5f04
SHA5126e55c51a9e18290427fcc29b4beceaed9a22c69f0dded32438884cbbf1f89885caea4f6c095284d0e309280fdc96b9545d887ee1a7a66fff0823049ed5231b99