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Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17/05/2024, 14:28
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5529a5a7ea8c8e38dc804d6132bb34c0.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
5529a5a7ea8c8e38dc804d6132bb34c0.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
5529a5a7ea8c8e38dc804d6132bb34c0.exe
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Size
71KB
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MD5
5529a5a7ea8c8e38dc804d6132bb34c0
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SHA1
c53e18a13941bca8a8ceb3a248beb55973b41576
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SHA256
288564ff199c2e28306e39c2ece0d0ff903dfa3e0f5ee615df319f50c0b90622
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SHA512
4a45b69f1e0a2e3cdb6188683733d7dca6384e559c41e7a2d0c0584ec88855b5b15e9eeedb8e4a36a73df1d3bfee9e871d587b4707aa1ef4a45ebdc929c4a7bc
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slHq:Olg35GTslA5t3/w8x
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" otkeamim.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" otkeamim.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" otkeamim.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" otkeamim.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\{59434C45-5854-414c-5943-4C455854414c} otkeamim.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" otkeamim.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}\IsInstalled = "1" otkeamim.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}\StubPath = "C:\\Windows\\system32\\ugleanob.exe" otkeamim.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" otkeamim.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ourmubag-foas.exe" otkeamim.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe otkeamim.exe -
Executes dropped EXE 2 IoCs
pid Process 4280 otkeamim.exe 2516 otkeamim.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" otkeamim.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" otkeamim.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" otkeamim.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" otkeamim.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}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" otkeamim.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\ikfusoax-imat.dll" otkeamim.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" otkeamim.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} otkeamim.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify otkeamim.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\otkeamim.exe 5529a5a7ea8c8e38dc804d6132bb34c0.exe File opened for modification C:\Windows\SysWOW64\ourmubag-foas.exe otkeamim.exe File created C:\Windows\SysWOW64\ikfusoax-imat.dll otkeamim.exe File opened for modification C:\Windows\SysWOW64\otkeamim.exe otkeamim.exe File opened for modification C:\Windows\SysWOW64\ikfusoax-imat.dll otkeamim.exe File opened for modification C:\Windows\SysWOW64\otkeamim.exe 5529a5a7ea8c8e38dc804d6132bb34c0.exe File created C:\Windows\SysWOW64\ourmubag-foas.exe otkeamim.exe File opened for modification C:\Windows\SysWOW64\ugleanob.exe otkeamim.exe File created C:\Windows\SysWOW64\ugleanob.exe otkeamim.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 2516 otkeamim.exe 2516 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe 4280 otkeamim.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3160 5529a5a7ea8c8e38dc804d6132bb34c0.exe Token: SeDebugPrivilege 4280 otkeamim.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3160 wrote to memory of 4280 3160 5529a5a7ea8c8e38dc804d6132bb34c0.exe 83 PID 3160 wrote to memory of 4280 3160 5529a5a7ea8c8e38dc804d6132bb34c0.exe 83 PID 3160 wrote to memory of 4280 3160 5529a5a7ea8c8e38dc804d6132bb34c0.exe 83 PID 4280 wrote to memory of 596 4280 otkeamim.exe 5 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 2516 4280 otkeamim.exe 84 PID 4280 wrote to memory of 2516 4280 otkeamim.exe 84 PID 4280 wrote to memory of 2516 4280 otkeamim.exe 84 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56 PID 4280 wrote to memory of 3528 4280 otkeamim.exe 56
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:596
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3528
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C:\Users\Admin\AppData\Local\Temp\5529a5a7ea8c8e38dc804d6132bb34c0.exe"C:\Users\Admin\AppData\Local\Temp\5529a5a7ea8c8e38dc804d6132bb34c0.exe"2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3160 -
C:\Windows\SysWOW64\otkeamim.exe"C:\Windows\system32\otkeamim.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:4280 -
C:\Windows\SysWOW64\otkeamim.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2516
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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
71KB
MD55529a5a7ea8c8e38dc804d6132bb34c0
SHA1c53e18a13941bca8a8ceb3a248beb55973b41576
SHA256288564ff199c2e28306e39c2ece0d0ff903dfa3e0f5ee615df319f50c0b90622
SHA5124a45b69f1e0a2e3cdb6188683733d7dca6384e559c41e7a2d0c0584ec88855b5b15e9eeedb8e4a36a73df1d3bfee9e871d587b4707aa1ef4a45ebdc929c4a7bc
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Filesize
74KB
MD5422589e10d5a9a0b610dc6a66987f8e2
SHA13e1004f6f1e35df93692441743dc6d6e17009e45
SHA256cf34a3e2710e89d0308d904c715bde3ee8e26b8acdf593e066f74cb974d206fa
SHA512e296b1aa1671c79f43807fcd90bc75e7df83042f447a5cac5bf650199ba7847c71acda93498094854a47e3fcceabb30c65b37a8a6fab61f04a0e3e9c177ee9ab
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Filesize
73KB
MD53a722805f4e6fb2d9ca9dc7c9f13def2
SHA1974eb113bb49caa847f726138820d064018c4cad
SHA256f3304be66721e7be46f4ce801fa747e37e95d86f819808d179f1d149c0cdf2e3
SHA512b7b0434319b1bbd03612fdf8048774b7b9bf5f777bba8ef1e09d53178a4fced575f9232c6b26aea82aa4331e6d9f8cfb4160954f0f4718f3535630432c713d91