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Analysis
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max time kernel
120s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240730-en -
resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system -
submitted
01/08/2024, 21:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
03bbbc62ddd986c31658ca36cf622220N.exe
Resource
win7-20240705-en
windows7-x64
13 signatures
120 seconds
Behavioral task
behavioral2
Sample
03bbbc62ddd986c31658ca36cf622220N.exe
Resource
win10v2004-20240730-en
windows10-2004-x64
12 signatures
120 seconds
General
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Target
03bbbc62ddd986c31658ca36cf622220N.exe
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Size
71KB
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MD5
03bbbc62ddd986c31658ca36cf622220
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SHA1
4ef19d26b8bf15328d85cd16b586ab310601b2b5
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SHA256
6903f7f66ddcd9ad0bc429b4955e7b7199f054dd593e8d21105025f8d3799b19
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SHA512
940f528b865a0e1aacded5f9f263f229d1272498d438ecbcfd483ed6c801b057b2f666d91de518503515d7e503f9471a852d123d881e58310a584d3585e86ba2
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SSDEEP
768:x/nQODtOgZwPeS2oyrw0U/Q7/PM8ee+YLVrvgA4R+Fy0u4ETZC6oLclNLqEntgtt:xo62PVOUY7/2efJDtuZ86LNtG5MiR
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" etkoxooh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" etkoxooh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" etkoxooh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" etkoxooh.exe -
Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{54464B45-4a4e-4a58-5446-4B454A4E4a58} etkoxooh.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{54464B45-4a4e-4a58-5446-4B454A4E4a58}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" etkoxooh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{54464B45-4a4e-4a58-5446-4B454A4E4a58}\IsInstalled = "1" etkoxooh.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{54464B45-4a4e-4a58-5446-4B454A4E4a58}\StubPath = "C:\\Windows\\system32\\eaxboofoab.exe" etkoxooh.exe -
Event Triggered Execution: Image File Execution Options Injection 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe etkoxooh.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" etkoxooh.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\andoogoaf.exe" etkoxooh.exe -
Executes dropped EXE 2 IoCs
pid Process 220 etkoxooh.exe 1072 etkoxooh.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" etkoxooh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" etkoxooh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" etkoxooh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" etkoxooh.exe -
description ioc Process Delete value \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger etkoxooh.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}\DLLName = "C:\\Windows\\system32\\eahxooheam-udat.dll" etkoxooh.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" etkoxooh.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} etkoxooh.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify etkoxooh.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" etkoxooh.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\etkoxooh.exe 03bbbc62ddd986c31658ca36cf622220N.exe File created C:\Windows\SysWOW64\andoogoaf.exe etkoxooh.exe File created C:\Windows\SysWOW64\eaxboofoab.exe etkoxooh.exe File opened for modification C:\Windows\SysWOW64\etkoxooh.exe etkoxooh.exe File created C:\Windows\SysWOW64\eahxooheam-udat.dll etkoxooh.exe File opened for modification C:\Windows\SysWOW64\etkoxooh.exe 03bbbc62ddd986c31658ca36cf622220N.exe File opened for modification C:\Windows\SysWOW64\andoogoaf.exe etkoxooh.exe File opened for modification C:\Windows\SysWOW64\eaxboofoab.exe etkoxooh.exe File opened for modification C:\Windows\SysWOW64\eahxooheam-udat.dll etkoxooh.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 03bbbc62ddd986c31658ca36cf622220N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language etkoxooh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 1072 etkoxooh.exe 1072 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe 220 etkoxooh.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 220 etkoxooh.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4424 wrote to memory of 220 4424 03bbbc62ddd986c31658ca36cf622220N.exe 83 PID 4424 wrote to memory of 220 4424 03bbbc62ddd986c31658ca36cf622220N.exe 83 PID 4424 wrote to memory of 220 4424 03bbbc62ddd986c31658ca36cf622220N.exe 83 PID 220 wrote to memory of 1072 220 etkoxooh.exe 85 PID 220 wrote to memory of 1072 220 etkoxooh.exe 85 PID 220 wrote to memory of 1072 220 etkoxooh.exe 85 PID 220 wrote to memory of 616 220 etkoxooh.exe 5 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.exe 56 PID 220 wrote to memory of 3444 220 etkoxooh.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:3444
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C:\Users\Admin\AppData\Local\Temp\03bbbc62ddd986c31658ca36cf622220N.exe"C:\Users\Admin\AppData\Local\Temp\03bbbc62ddd986c31658ca36cf622220N.exe"2⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4424 -
C:\Windows\SysWOW64\etkoxooh.exe"C:\Windows\SysWOW64\etkoxooh.exe"3⤵
- Windows security bypass
- Boot or Logon Autostart Execution: Active Setup
- Event Triggered Execution: Image File Execution Options Injection
- Executes dropped EXE
- Windows security modification
- Indicator Removal: Clear Persistence
- Modifies WinLogon
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:220 -
C:\Windows\SysWOW64\etkoxooh.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1072
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Winlogon Helper DLL
1Event Triggered Execution
1Image File Execution Options Injection
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Winlogon Helper DLL
1Event Triggered Execution
1Image File Execution Options Injection
1Replay Monitor
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Downloads
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Filesize
72KB
MD5b406e6ee8de4b930c957a487f87e9bcc
SHA1a52d6114df8a23bafd2e638c06eff4ed4b4f0f2a
SHA25626d254c290e979c5420e0e84b44d24c6b4898d421e2cfa56f778c833cfd4997a
SHA5120d234a3f19799f31f64bacd2df826effe1cd076eee0875ffe8cf7728bc76579586b57fe85448caa0cd4fc6b475c836ee6972ace5385edbecf8483913461eb36d
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
71KB
MD5c9dd801a41b3be29e2f1fa4498c65f6d
SHA13e3625dcf4c31dc2adaed7046a0ecae163bee559
SHA256ce47c5bd6a3f9e5610ca866b4d46cbb872f2f2e62d610d569ce7272f6e7e571b
SHA5128e6cbcf1c9f90bc9cc78edd8693eb4e148cb65cbd45ae57bcbd71fdb573bc21a00fbe90fe29d9c4dffedca0aa932f3bf9f87a92229ac85773fe70caae6144931
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Filesize
69KB
MD558ad54a7ff25c4d0ce06c1947e2944c2
SHA1e1930a1bfbcff039902a0af685dccc758108ceb2
SHA25661e58806c81880a1ac1541c0d567b89e44ebae668554eb302c481f45fc1306cb
SHA512fe08756fdc37ad211bc75cc8d4dc37d13b4243c0bd985c99c7d0e2a8a97255ccf26bec0ee8191b73859d2ac652eea89287a006fdb81a21d068118de1a6739e11