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Analysis
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max time kernel
149s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
10/05/2024, 23:37
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
87b8a88678a9f32c99f827a1354045a10f8940881b59bb453f6ceb2414508016.exe
Resource
win7-20240508-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
87b8a88678a9f32c99f827a1354045a10f8940881b59bb453f6ceb2414508016.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
87b8a88678a9f32c99f827a1354045a10f8940881b59bb453f6ceb2414508016.exe
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Size
70KB
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MD5
31832fb1dd329723fbe2e5c7a6fbae1b
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SHA1
b6991cddf04156a55c513eff53b2db77afb21933
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SHA256
87b8a88678a9f32c99f827a1354045a10f8940881b59bb453f6ceb2414508016
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SHA512
959f0f8db2100ebd577b516d5cdad9473fd4f1687df0a65710b9575e9bb563f1ff48e4594277d3966ce39a7a4635da775e9fe5cfe73e80c272a37294fa5033b1
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SSDEEP
1536:xv/Gn6G8eQuC9PLb8okGNnZsq9xnIP3wlrFPCy5SfR+6S/fd7eZGWK5Mk6:x/hNpLzN9nIPWFPCKt/Jh5S
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" ouptearep-imex.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" ouptearep-imex.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" ouptearep-imex.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" ouptearep-imex.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\{55485251-4b4a-4350-5548-52514B4A4350} ouptearep-imex.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" ouptearep-imex.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350}\IsInstalled = "1" ouptearep-imex.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350}\StubPath = "C:\\Windows\\system32\\ufrefib.exe" ouptearep-imex.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 ouptearep-imex.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" ouptearep-imex.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\iptubood-ecex.exe" ouptearep-imex.exe -
Executes dropped EXE 2 IoCs
pid Process 2132 ouptearep-imex.exe 1676 ouptearep-imex.exe -
Loads dropped DLL 3 IoCs
pid Process 1216 87b8a88678a9f32c99f827a1354045a10f8940881b59bb453f6ceb2414508016.exe 1216 87b8a88678a9f32c99f827a1354045a10f8940881b59bb453f6ceb2414508016.exe 2132 ouptearep-imex.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" ouptearep-imex.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" ouptearep-imex.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" ouptearep-imex.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" ouptearep-imex.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} ouptearep-imex.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify ouptearep-imex.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" ouptearep-imex.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\lcutit-apix.dll" ouptearep-imex.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" ouptearep-imex.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\iptubood-ecex.exe ouptearep-imex.exe File created C:\Windows\SysWOW64\ufrefib.exe ouptearep-imex.exe File created C:\Windows\SysWOW64\lcutit-apix.dll ouptearep-imex.exe File opened for modification C:\Windows\SysWOW64\ouptearep-imex.exe ouptearep-imex.exe File opened for modification C:\Windows\SysWOW64\ouptearep-imex.exe 87b8a88678a9f32c99f827a1354045a10f8940881b59bb453f6ceb2414508016.exe File created C:\Windows\SysWOW64\ouptearep-imex.exe 87b8a88678a9f32c99f827a1354045a10f8940881b59bb453f6ceb2414508016.exe File opened for modification C:\Windows\SysWOW64\lcutit-apix.dll ouptearep-imex.exe File created C:\Windows\SysWOW64\iptubood-ecex.exe ouptearep-imex.exe File opened for modification C:\Windows\SysWOW64\ufrefib.exe ouptearep-imex.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 1676 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe 2132 ouptearep-imex.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2132 ouptearep-imex.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1216 wrote to memory of 2132 1216 87b8a88678a9f32c99f827a1354045a10f8940881b59bb453f6ceb2414508016.exe 28 PID 1216 wrote to memory of 2132 1216 87b8a88678a9f32c99f827a1354045a10f8940881b59bb453f6ceb2414508016.exe 28 PID 1216 wrote to memory of 2132 1216 87b8a88678a9f32c99f827a1354045a10f8940881b59bb453f6ceb2414508016.exe 28 PID 1216 wrote to memory of 2132 1216 87b8a88678a9f32c99f827a1354045a10f8940881b59bb453f6ceb2414508016.exe 28 PID 2132 wrote to memory of 428 2132 ouptearep-imex.exe 5 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1676 2132 ouptearep-imex.exe 29 PID 2132 wrote to memory of 1676 2132 ouptearep-imex.exe 29 PID 2132 wrote to memory of 1676 2132 ouptearep-imex.exe 29 PID 2132 wrote to memory of 1676 2132 ouptearep-imex.exe 29 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21 PID 2132 wrote to memory of 1204 2132 ouptearep-imex.exe 21
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:428
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1204
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C:\Users\Admin\AppData\Local\Temp\87b8a88678a9f32c99f827a1354045a10f8940881b59bb453f6ceb2414508016.exe"C:\Users\Admin\AppData\Local\Temp\87b8a88678a9f32c99f827a1354045a10f8940881b59bb453f6ceb2414508016.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Windows\SysWOW64\ouptearep-imex.exe"C:\Windows\SysWOW64\ouptearep-imex.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:2132 -
C:\Windows\SysWOW64\ouptearep-imex.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1676
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
71KB
MD54d2c1d14160c5bb124ec078e42927b9c
SHA174fdc3612061f997a82430084e42ef2129a34fbf
SHA256e0ac02f9e167635f5378b3d023f9aafff0e125b8010b0f97dc772931f22621db
SHA51287f23394b3db0c0d669a75951234f4d27d66fbd7ba67c23cd7cf4f4fcd7955791a8b6d2a5b2b9cfae3b4a1d67e979359f299080c1abf0c623532f382cc9e40ab
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
70KB
MD530b7c276f03ff00ec96f12becb265173
SHA1457de1c2cc0e265f16b87ad7ebbfb1dbe62baffa
SHA2566d61ac3289b515376dcd3cdc6659c2e5e3f0ccba17465690729a701cd752ac0b
SHA512cafac42a006ba86a8379a8e3afa77c8eb28d3e653ac2fb277e0df266184cc1a78f1662069df20f7ae608903407b7daa4b503d4d79f03f963b3cbd0b6e63f444b
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Filesize
68KB
MD58f8605f2aff77748673a0eefa0022326
SHA1076a2911bfe394200444030dee2fa812bf1eb279
SHA256f7040e292b18f300469f0b69f38e35cb146853a9680c4f0dfed8b1e831a1a85a
SHA51211960c0de084d08d9af50aa81dc27cc5e3f7eb30fc53aab387ffa471b2aed3878278794841a8cc06c55733da2880ac2defabd4f28b4f334358dcf4ed48f03086