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Analysis
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max time kernel
149s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
05/03/2024, 23:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe
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Size
69KB
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MD5
84e943f70c7356e3e9ff75a3f9b73aa0
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SHA1
45afd25e9fef85b8c786b5931ff62cb2d05b4505
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SHA256
9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282
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SHA512
07c347c706de01298c93919ea4855bc199c3170fe483b24e771efda3992a7eec41d5906d4947ca2a6f44541b894f99e14fbb0ac62bdebbfc5283a48a6172ac6f
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8w:Olg35GTslA5t3/w8w
Score
10/10
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" oulmeavoop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" oulmeavoop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" oulmeavoop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" oulmeavoop.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\IsInstalled = "1" oulmeavoop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\StubPath = "C:\\Windows\\system32\\eahloageat-adat.exe" oulmeavoop.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450} oulmeavoop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" oulmeavoop.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\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" oulmeavoop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ofvoaxag-fooc.exe" oulmeavoop.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe oulmeavoop.exe -
Executes dropped EXE 2 IoCs
pid Process 2388 oulmeavoop.exe 2608 oulmeavoop.exe -
Loads dropped DLL 3 IoCs
pid Process 2212 9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe 2212 9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe 2388 oulmeavoop.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" oulmeavoop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" oulmeavoop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" oulmeavoop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" oulmeavoop.exe -
Modifies WinLogon 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify oulmeavoop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" oulmeavoop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\iknoanoor-icat.dll" oulmeavoop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" oulmeavoop.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} oulmeavoop.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\oulmeavoop.exe 9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe File created C:\Windows\SysWOW64\oulmeavoop.exe 9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe File opened for modification C:\Windows\SysWOW64\eahloageat-adat.exe oulmeavoop.exe File created C:\Windows\SysWOW64\eahloageat-adat.exe oulmeavoop.exe File opened for modification C:\Windows\SysWOW64\oulmeavoop.exe oulmeavoop.exe File opened for modification C:\Windows\SysWOW64\ofvoaxag-fooc.exe oulmeavoop.exe File created C:\Windows\SysWOW64\ofvoaxag-fooc.exe oulmeavoop.exe File opened for modification C:\Windows\SysWOW64\iknoanoor-icat.dll oulmeavoop.exe File created C:\Windows\SysWOW64\iknoanoor-icat.dll oulmeavoop.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2608 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe 2388 oulmeavoop.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2212 9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe Token: SeDebugPrivilege 2388 oulmeavoop.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2212 wrote to memory of 2388 2212 9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe 28 PID 2212 wrote to memory of 2388 2212 9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe 28 PID 2212 wrote to memory of 2388 2212 9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe 28 PID 2212 wrote to memory of 2388 2212 9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe 28 PID 2388 wrote to memory of 424 2388 oulmeavoop.exe 5 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 2608 2388 oulmeavoop.exe 29 PID 2388 wrote to memory of 2608 2388 oulmeavoop.exe 29 PID 2388 wrote to memory of 2608 2388 oulmeavoop.exe 29 PID 2388 wrote to memory of 2608 2388 oulmeavoop.exe 29 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21 PID 2388 wrote to memory of 1196 2388 oulmeavoop.exe 21
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:424
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1196
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C:\Users\Admin\AppData\Local\Temp\9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe"C:\Users\Admin\AppData\Local\Temp\9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Windows\SysWOW64\oulmeavoop.exe"C:\Windows\system32\oulmeavoop.exe"3⤵
- Windows security bypass
- Modifies Installed Components in the registry
- Sets file execution options in registry
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Windows\SysWOW64\oulmeavoop.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2608
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
71KB
MD5e3391097a893b4a06c3ec97c70996684
SHA1c2455a0cb0346aa76c6ac44e82fa10de4e40880a
SHA2565f7ad3014e3d6433dd200c66ab2e59436dd811af4473c80800bcdf1af9480024
SHA512550e6913ceb288cba9b8ef7eb37e0ad097475cc1ceb2822f12779c5cbae52ef44c325b2489ae84bc47de61fd5579a558ee707de9a8f21cf3c6d7d2ca40d41361
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
72KB
MD599247faacc4716b144431029fea5d239
SHA1e56bad6db6c2fdc2dcba716c1404077e06075388
SHA256f2b54c4fd1d3b816244109f8e1b4894d78d4af2fe1a7394210902b520cad05bf
SHA5127d2469ed40e28899acac2eb7e568884b2b91bb4e2e7a363b334530e6e588ec87994e8c3a598cfbf3f2a819b1b6ae0639bc61ebb5240676a6f3b93a7a9f07fa1f
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Filesize
69KB
MD584e943f70c7356e3e9ff75a3f9b73aa0
SHA145afd25e9fef85b8c786b5931ff62cb2d05b4505
SHA2569ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282
SHA51207c347c706de01298c93919ea4855bc199c3170fe483b24e771efda3992a7eec41d5906d4947ca2a6f44541b894f99e14fbb0ac62bdebbfc5283a48a6172ac6f