Analysis
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max time kernel
149s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08/09/2024, 02:30
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe
Resource
win7-20240903-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe
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Size
107KB
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MD5
31db1b90f495b588697004f9e56347db
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SHA1
92a5bbf02de852720a7de1360341e54616485485
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SHA256
5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca
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SHA512
093e72678729fddde011c7c42efbbe56b5c1db7ecedaa263f83ae3762fb26c9f4d40a7ac7e9c45d6c397a2a8c65fd0f0077f3a40dc2870c6d6af3932a9355436
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SSDEEP
1536:BteqGDlXvCDB04f5Gn/L8NRel1bweZd/TeFaMK1dvTjtue4r6eFl:Olg35GT97wLFYdvTj8nr6eFl
Score
7/10
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 2660 upnoatef.exe 2380 upnoatef.exe -
Loads dropped DLL 3 IoCs
pid Process 2496 5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe 2496 5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe 2660 upnoatef.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" upnoatef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\avpeamux-eceas.dll" upnoatef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" upnoatef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} upnoatef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify upnoatef.exe -
Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\upnoatef.exe 5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe File created C:\Windows\SysWOW64\upnoatef.exe 5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe File opened for modification C:\Windows\SysWOW64\avpeamux-eceas.dll upnoatef.exe File created C:\Windows\SysWOW64\avpeamux-eceas.dll upnoatef.exe File opened for modification C:\Windows\SysWOW64\upnoatef.exe upnoatef.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 5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language upnoatef.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2380 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe 2660 upnoatef.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2496 5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe Token: SeDebugPrivilege 2660 upnoatef.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2496 wrote to memory of 2660 2496 5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe 30 PID 2496 wrote to memory of 2660 2496 5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe 30 PID 2496 wrote to memory of 2660 2496 5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe 30 PID 2496 wrote to memory of 2660 2496 5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe 30 PID 2660 wrote to memory of 432 2660 upnoatef.exe 5 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 2380 2660 upnoatef.exe 31 PID 2660 wrote to memory of 2380 2660 upnoatef.exe 31 PID 2660 wrote to memory of 2380 2660 upnoatef.exe 31 PID 2660 wrote to memory of 2380 2660 upnoatef.exe 31 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21 PID 2660 wrote to memory of 1160 2660 upnoatef.exe 21
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:1160
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C:\Users\Admin\AppData\Local\Temp\5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe"C:\Users\Admin\AppData\Local\Temp\5170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Windows\SysWOW64\upnoatef.exe"C:\Windows\system32\upnoatef.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- 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:2660 -
C:\Windows\SysWOW64\upnoatef.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2380
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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
107KB
MD531db1b90f495b588697004f9e56347db
SHA192a5bbf02de852720a7de1360341e54616485485
SHA2565170b266decd9df4f3e5c098ea226786fb455fc665a5e54219adb73a75feabca
SHA512093e72678729fddde011c7c42efbbe56b5c1db7ecedaa263f83ae3762fb26c9f4d40a7ac7e9c45d6c397a2a8c65fd0f0077f3a40dc2870c6d6af3932a9355436