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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
08/06/2024, 02:01
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1c36946cd1c14b92838cf909906e65a0.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
1c36946cd1c14b92838cf909906e65a0.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
1c36946cd1c14b92838cf909906e65a0.exe
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Size
71KB
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MD5
1c36946cd1c14b92838cf909906e65a0
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SHA1
aaf328f60944b2c67f3522fe1e4d82d7ba40cec7
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SHA256
7a74a4a7ba0d2d72db2f969c16614b213796016b8ca21b3fe93cc92743772824
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SHA512
2f3fd2f77042b66e2011ad63bc002ae84b2fb7656b4a45c7741290290b33210eeab7027aab6e182424313fca892f489e32461caf5f2348a28ec0e598ef9087b9
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slvB:Olg35GTslA5t3/w8wB
Score
10/10
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" arroohot-oudoab.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" arroohot-oudoab.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" arroohot-oudoab.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" arroohot-oudoab.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\{59434C45-5854-414c-5943-4C455854414c}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" arroohot-oudoab.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}\IsInstalled = "1" arroohot-oudoab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}\StubPath = "C:\\Windows\\system32\\ibreahid.exe" arroohot-oudoab.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c} arroohot-oudoab.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 arroohot-oudoab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" arroohot-oudoab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\tkapen.exe" arroohot-oudoab.exe -
Executes dropped EXE 2 IoCs
pid Process 2380 arroohot-oudoab.exe 3208 arroohot-oudoab.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" arroohot-oudoab.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" arroohot-oudoab.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" arroohot-oudoab.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" arroohot-oudoab.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} arroohot-oudoab.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify arroohot-oudoab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" arroohot-oudoab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\ousnipoov.dll" arroohot-oudoab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" arroohot-oudoab.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ibreahid.exe arroohot-oudoab.exe File created C:\Windows\SysWOW64\ousnipoov.dll arroohot-oudoab.exe File opened for modification C:\Windows\SysWOW64\arroohot-oudoab.exe 1c36946cd1c14b92838cf909906e65a0.exe File created C:\Windows\SysWOW64\arroohot-oudoab.exe 1c36946cd1c14b92838cf909906e65a0.exe File opened for modification C:\Windows\SysWOW64\tkapen.exe arroohot-oudoab.exe File created C:\Windows\SysWOW64\tkapen.exe arroohot-oudoab.exe File created C:\Windows\SysWOW64\ibreahid.exe arroohot-oudoab.exe File opened for modification C:\Windows\SysWOW64\ousnipoov.dll arroohot-oudoab.exe File opened for modification C:\Windows\SysWOW64\arroohot-oudoab.exe arroohot-oudoab.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 3208 arroohot-oudoab.exe 3208 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe 2380 arroohot-oudoab.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4612 1c36946cd1c14b92838cf909906e65a0.exe Token: SeDebugPrivilege 2380 arroohot-oudoab.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4612 wrote to memory of 2380 4612 1c36946cd1c14b92838cf909906e65a0.exe 82 PID 4612 wrote to memory of 2380 4612 1c36946cd1c14b92838cf909906e65a0.exe 82 PID 4612 wrote to memory of 2380 4612 1c36946cd1c14b92838cf909906e65a0.exe 82 PID 2380 wrote to memory of 620 2380 arroohot-oudoab.exe 5 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3208 2380 arroohot-oudoab.exe 83 PID 2380 wrote to memory of 3208 2380 arroohot-oudoab.exe 83 PID 2380 wrote to memory of 3208 2380 arroohot-oudoab.exe 83 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56 PID 2380 wrote to memory of 3460 2380 arroohot-oudoab.exe 56
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:620
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3460
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C:\Users\Admin\AppData\Local\Temp\1c36946cd1c14b92838cf909906e65a0.exe"C:\Users\Admin\AppData\Local\Temp\1c36946cd1c14b92838cf909906e65a0.exe"2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4612 -
C:\Windows\SysWOW64\arroohot-oudoab.exe"C:\Windows\system32\arroohot-oudoab.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:2380 -
C:\Windows\SysWOW64\arroohot-oudoab.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3208
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
71KB
MD51c36946cd1c14b92838cf909906e65a0
SHA1aaf328f60944b2c67f3522fe1e4d82d7ba40cec7
SHA2567a74a4a7ba0d2d72db2f969c16614b213796016b8ca21b3fe93cc92743772824
SHA5122f3fd2f77042b66e2011ad63bc002ae84b2fb7656b4a45c7741290290b33210eeab7027aab6e182424313fca892f489e32461caf5f2348a28ec0e598ef9087b9
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Filesize
73KB
MD5a28099f46fdef6b573d9a68cd5b7e448
SHA14298883201bffa279157a7fd59793983163de9c0
SHA256074b08e3c8e770cb3791225bf360604f1d01f12aee5be2f23ffed32375938c07
SHA5124a93089da7fbead92e7365195251dbd479b4831ce376192a78fbecc3ad01a4371022f11e301306ff3b3596022586a7b8fd5215d7137c1feb5ef1dbb35d7dddbf
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
74KB
MD58b862e921476ab245136cc9f31fa9d81
SHA1b6c76ca872ed22cbfac5a17858599a1f489a837a
SHA25606fc52333c807ed0330ebb4cd225f8bf4cd5d2d5393b28fbec25fd10ea34f3bb
SHA512945eedaccb10652ee9547f1cb3858113f34af6cc545e6cefb3807cdf6952b608b206b7747dcb60ae3633fb8f03c81e7cfde9c2efc59282711087cf966c0dc56a