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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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\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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" oulmeavoop.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\{4C514844-4150-5a4b-4C51-484441505a4b} oulmeavoop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4C514844-4150-5a4b-4C51-484441505a4b}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" oulmeavoop.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4C514844-4150-5a4b-4C51-484441505a4b}\IsInstalled = "1" oulmeavoop.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4C514844-4150-5a4b-4C51-484441505a4b}\StubPath = "C:\\Windows\\system32\\eahloageat-adat.exe" oulmeavoop.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 oulmeavoop.exe 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 -
Executes dropped EXE 2 IoCs
pid Process 456 oulmeavoop.exe 1864 oulmeavoop.exe -
description ioc Process 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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" oulmeavoop.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} oulmeavoop.exe 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 -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\ofvoaxag-fooc.exe oulmeavoop.exe File created C:\Windows\SysWOW64\eahloageat-adat.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 File opened for modification C:\Windows\SysWOW64\oulmeavoop.exe oulmeavoop.exe 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\ofvoaxag-fooc.exe oulmeavoop.exe File opened for modification C:\Windows\SysWOW64\eahloageat-adat.exe oulmeavoop.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 1864 oulmeavoop.exe 1864 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe 456 oulmeavoop.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4780 9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe Token: SeDebugPrivilege 456 oulmeavoop.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4780 wrote to memory of 456 4780 9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe 88 PID 4780 wrote to memory of 456 4780 9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe 88 PID 4780 wrote to memory of 456 4780 9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe 88 PID 456 wrote to memory of 1864 456 oulmeavoop.exe 89 PID 456 wrote to memory of 1864 456 oulmeavoop.exe 89 PID 456 wrote to memory of 1864 456 oulmeavoop.exe 89 PID 456 wrote to memory of 616 456 oulmeavoop.exe 5 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.exe 56 PID 456 wrote to memory of 3536 456 oulmeavoop.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:3536
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C:\Users\Admin\AppData\Local\Temp\9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe"C:\Users\Admin\AppData\Local\Temp\9ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282.exe"2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4780 -
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
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:456 -
C:\Windows\SysWOW64\oulmeavoop.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1864
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
71KB
MD579d9c2659258de456b4d7d35d7480f7a
SHA145c1a356bcb9a2ea67a74309c9c1856fb9d77293
SHA2569b431adc3aea9060bff2520e10e824d9aae1fb758f3fb42f1e14a1892bb9ba4f
SHA512e319028b2a30f5458ecdf512b0ec14e4c077f03bb437737ae609c113bc0f2c8f40dc0d6ae8842f1a0bddb1f4e18f1d04ceb8e416b9fbc3fa470956288365489f
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
72KB
MD556bebfd0638fdd91e15dc679c60fbede
SHA142834332bca7e2b3548160591a8bceac08f5e58d
SHA2562e76926b3ce99808aaaad97bb2f37f725e3911be5505b9aaf21b07d8c231508b
SHA5126da0895746b191f681c206530bf48c6812fd88b7ba1eaabda3063c070a20ee6651a61afdd361ab4c86b46bba8e9310bbe31bc4dffbc2ebe26ae937fbcf86a37e
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Filesize
69KB
MD584e943f70c7356e3e9ff75a3f9b73aa0
SHA145afd25e9fef85b8c786b5931ff62cb2d05b4505
SHA2569ef5ef0651fbd8414f9c7a08ecd30b7bbda3d149e04718df3140d3101d62d282
SHA51207c347c706de01298c93919ea4855bc199c3170fe483b24e771efda3992a7eec41d5906d4947ca2a6f44541b894f99e14fbb0ac62bdebbfc5283a48a6172ac6f