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Analysis
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max time kernel
149s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
12/03/2024, 02:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe
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Size
69KB
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MD5
594c788a2ada52e89fd02e266f6d8aa0
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SHA1
fd7e5af4f7f6a98e738e047fac322387bcc4ddcb
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SHA256
cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852
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SHA512
4790792043fcb67fdf6dd68fdae82a633d2f170c0dacb18db86539388f0208a99a5b28f7b9b3b0575696d1c7c401a8606061bbf3b328e10847d8329fd4b1a91c
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8fya:Olg35GTslA5t3/w8f
Score
10/10
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" uvtaxeaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" uvtaxeaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" uvtaxeaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" uvtaxeaf.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}\IsInstalled = "1" uvtaxeaf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}\StubPath = "C:\\Windows\\system32\\oukpeakid.exe" uvtaxeaf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245} uvtaxeaf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" uvtaxeaf.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\Debugger = "C:\\Windows\\system32\\evdogos.exe" uvtaxeaf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe uvtaxeaf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" uvtaxeaf.exe -
Executes dropped EXE 2 IoCs
pid Process 2700 uvtaxeaf.exe 2040 uvtaxeaf.exe -
Loads dropped DLL 3 IoCs
pid Process 1908 cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe 1908 cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe 2700 uvtaxeaf.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" uvtaxeaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" uvtaxeaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" uvtaxeaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" uvtaxeaf.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\\atneveh.dll" uvtaxeaf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" uvtaxeaf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} uvtaxeaf.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify uvtaxeaf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" uvtaxeaf.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\uvtaxeaf.exe cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe File opened for modification C:\Windows\SysWOW64\oukpeakid.exe uvtaxeaf.exe File opened for modification C:\Windows\SysWOW64\atneveh.dll uvtaxeaf.exe File opened for modification C:\Windows\SysWOW64\uvtaxeaf.exe uvtaxeaf.exe File created C:\Windows\SysWOW64\atneveh.dll uvtaxeaf.exe File opened for modification C:\Windows\SysWOW64\uvtaxeaf.exe cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe File opened for modification C:\Windows\SysWOW64\evdogos.exe uvtaxeaf.exe File created C:\Windows\SysWOW64\evdogos.exe uvtaxeaf.exe File created C:\Windows\SysWOW64\oukpeakid.exe uvtaxeaf.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2040 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe 2700 uvtaxeaf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1908 cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe Token: SeDebugPrivilege 2700 uvtaxeaf.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1908 wrote to memory of 2700 1908 cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe 28 PID 1908 wrote to memory of 2700 1908 cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe 28 PID 1908 wrote to memory of 2700 1908 cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe 28 PID 1908 wrote to memory of 2700 1908 cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe 28 PID 2700 wrote to memory of 432 2700 uvtaxeaf.exe 5 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 2040 2700 uvtaxeaf.exe 29 PID 2700 wrote to memory of 2040 2700 uvtaxeaf.exe 29 PID 2700 wrote to memory of 2040 2700 uvtaxeaf.exe 29 PID 2700 wrote to memory of 2040 2700 uvtaxeaf.exe 29 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20 PID 2700 wrote to memory of 1104 2700 uvtaxeaf.exe 20
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:432
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1104
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C:\Users\Admin\AppData\Local\Temp\cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe"C:\Users\Admin\AppData\Local\Temp\cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\Windows\SysWOW64\uvtaxeaf.exe"C:\Windows\system32\uvtaxeaf.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:2700 -
C:\Windows\SysWOW64\uvtaxeaf.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2040
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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
72KB
MD5e1e4c9eee6e4c2efc7026763b080bfe9
SHA14be70be6b7ecd97c91b15ef55b1780a47509bd43
SHA2561dc16e2309947279eab136639e2bf4af59679506e718b410c41c6c053695af45
SHA51220fdd17f066b6552820b316e3a5b999d32126a4bc9ec105a2e54cccc8d5b68ab374ebb9b90ef58552f97e622fc8cd6c83bc01bd28c8453d7692fd5ab4157ae06
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Filesize
71KB
MD5f4d92cd3cdb4cd060f20569fbaa2bf49
SHA197c1fc6dd8b2d636d8675d1550a8ed94ca8b1055
SHA256c4a400df243a69d77414545ce30971781a85abd732007f9ed4e0f999301cb206
SHA5128b3fa4ad70bd906336b00ffa46e121a0eec3451e1bc179067f02a2998753e790ad5513f982419016777cbca64b3392b4172067b8faf8db084bd89765fae54273
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Filesize
69KB
MD5594c788a2ada52e89fd02e266f6d8aa0
SHA1fd7e5af4f7f6a98e738e047fac322387bcc4ddcb
SHA256cafe361d24889294daec72b6525fa7c51072aa929045cda815dd2063dfc86852
SHA5124790792043fcb67fdf6dd68fdae82a633d2f170c0dacb18db86539388f0208a99a5b28f7b9b3b0575696d1c7c401a8606061bbf3b328e10847d8329fd4b1a91c