Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 05:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ff1bcd360534572b9aa5a76e989b3670dd7554068b4c41543eb3513182542f57.exe
Resource
win7-20240508-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
ff1bcd360534572b9aa5a76e989b3670dd7554068b4c41543eb3513182542f57.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
ff1bcd360534572b9aa5a76e989b3670dd7554068b4c41543eb3513182542f57.exe
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Size
71KB
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MD5
0655130a079a0035320e3d2936bb471a
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SHA1
3ab23c48726162e558b14581ac7cc1b7de392f34
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SHA256
ff1bcd360534572b9aa5a76e989b3670dd7554068b4c41543eb3513182542f57
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SHA512
3c979e238f1a75f2ccb788714be89d31c466c72c5b6dbd3ece4ccb4e15c07ba4c98dd4c823e852b8fc0f1def76b2b7af5128202a53a53a4b4dc49477a545e57a
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8sl1LKEp:Olg35GTslA5t3/w8TEp
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" otpugor.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" otpugor.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" otpugor.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" otpugor.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{52494A54-4f4f-5658-5249-4A544F4F5658}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" otpugor.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{52494A54-4f4f-5658-5249-4A544F4F5658}\IsInstalled = "1" otpugor.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{52494A54-4f4f-5658-5249-4A544F4F5658}\StubPath = "C:\\Windows\\system32\\afxisoon.exe" otpugor.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{52494A54-4f4f-5658-5249-4A544F4F5658} otpugor.exe -
Sets file execution options in registry 2 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe otpugor.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" otpugor.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ealcivoam-egix.exe" otpugor.exe -
Executes dropped EXE 2 IoCs
pid Process 3680 otpugor.exe 3836 otpugor.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" otpugor.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" otpugor.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" otpugor.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" otpugor.exe -
Modifies WinLogon 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} otpugor.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify otpugor.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" otpugor.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\ahsoaseax.dll" otpugor.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" otpugor.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ealcivoam-egix.exe otpugor.exe File opened for modification C:\Windows\SysWOW64\afxisoon.exe otpugor.exe File opened for modification C:\Windows\SysWOW64\ahsoaseax.dll otpugor.exe File opened for modification C:\Windows\SysWOW64\otpugor.exe otpugor.exe File created C:\Windows\SysWOW64\ahsoaseax.dll otpugor.exe File opened for modification C:\Windows\SysWOW64\otpugor.exe ff1bcd360534572b9aa5a76e989b3670dd7554068b4c41543eb3513182542f57.exe File created C:\Windows\SysWOW64\otpugor.exe ff1bcd360534572b9aa5a76e989b3670dd7554068b4c41543eb3513182542f57.exe File created C:\Windows\SysWOW64\ealcivoam-egix.exe otpugor.exe File created C:\Windows\SysWOW64\afxisoon.exe otpugor.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3836 otpugor.exe 3836 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe 3680 otpugor.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4080 ff1bcd360534572b9aa5a76e989b3670dd7554068b4c41543eb3513182542f57.exe Token: SeDebugPrivilege 3680 otpugor.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4080 wrote to memory of 3680 4080 ff1bcd360534572b9aa5a76e989b3670dd7554068b4c41543eb3513182542f57.exe 82 PID 4080 wrote to memory of 3680 4080 ff1bcd360534572b9aa5a76e989b3670dd7554068b4c41543eb3513182542f57.exe 82 PID 4080 wrote to memory of 3680 4080 ff1bcd360534572b9aa5a76e989b3670dd7554068b4c41543eb3513182542f57.exe 82 PID 3680 wrote to memory of 616 3680 otpugor.exe 5 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3836 3680 otpugor.exe 83 PID 3680 wrote to memory of 3836 3680 otpugor.exe 83 PID 3680 wrote to memory of 3836 3680 otpugor.exe 83 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56 PID 3680 wrote to memory of 3424 3680 otpugor.exe 56
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:616
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3424
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C:\Users\Admin\AppData\Local\Temp\ff1bcd360534572b9aa5a76e989b3670dd7554068b4c41543eb3513182542f57.exe"C:\Users\Admin\AppData\Local\Temp\ff1bcd360534572b9aa5a76e989b3670dd7554068b4c41543eb3513182542f57.exe"2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4080 -
C:\Windows\SysWOW64\otpugor.exe"C:\Windows\system32\otpugor.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:3680 -
C:\Windows\SysWOW64\otpugor.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3836
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD5b49131fc562b13024adbf7e7016b96d6
SHA1f671474f484fcc67ab249a656947a0c3c66150d2
SHA2566a1ee57e9f080e6654ae435ad86753c1384fd8755181fcca28cf8acae007ee40
SHA5125bd64e9af10a3143819de42cd8e2746968bda5ece130c28fa8494f8d11a374e1014e851505049436f6ff3e4c08bb74e70ce07b7c9a097c63772b109de450c4a1
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
74KB
MD58f37c76b4d83870bb833ac0e54e1da00
SHA10d935efea9cc024327ba9d796122d2aac4499917
SHA2565412a762ab46f6fa45564a8b4ae42df301fde84ee30b57ca764e48407cfd3cde
SHA512bcbdaa018105b14d0305a7dd2f51f5e02ab1870fd379287dc5adad8c128a66cc560e93f685477cd961910d602b5043ebbf233d6bc8de56fb6f389a22d013a341
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Filesize
71KB
MD50655130a079a0035320e3d2936bb471a
SHA13ab23c48726162e558b14581ac7cc1b7de392f34
SHA256ff1bcd360534572b9aa5a76e989b3670dd7554068b4c41543eb3513182542f57
SHA5123c979e238f1a75f2ccb788714be89d31c466c72c5b6dbd3ece4ccb4e15c07ba4c98dd4c823e852b8fc0f1def76b2b7af5128202a53a53a4b4dc49477a545e57a