Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16/12/2024, 14:47
Static task
static1
Behavioral task
behavioral1
Sample
4f07388498049864f303bb0790b1ba03.exe
Resource
win7-20240903-en
General
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Target
4f07388498049864f303bb0790b1ba03.exe
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Size
1.3MB
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MD5
4f07388498049864f303bb0790b1ba03
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SHA1
9868a20be451246e387beb5b4dd87522e5b05a60
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SHA256
7cd155fa3550db2823a75ae6df1a2bec3ae714c5e53a536b7db955d92122af8c
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SHA512
47e13edf005e8f5dc633b86adc5ab2d0631e5b6347990896b6d8857540993a9face0277be534c7607a1ded3d40bc38ec3b4a8cbc1a39d53f74b5ac69db8dacdb
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SSDEEP
24576:TCukdjTqJY6OadMTAcTXf0IH7fMOqFW3n5A4c0njLJOaSOk469+:TcHqJDBM3MqbpcujMa/PK+
Malware Config
Extracted
amadey
5.04
b44aeb
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install_dir
7725ce688f
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install_file
Gxtuum.exe
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strings_key
8bf9b3f72bb53c678e0173edf42df1ae
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url_paths
/3ofn3jf3e2ljk/index.php
Signatures
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Amadey family
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Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
description pid Process procid_target PID 4644 created 3448 4644 4f07388498049864f303bb0790b1ba03.exe 56 PID 2900 created 3448 2900 Gxtuum.exe 56 PID 1352 created 3448 1352 Gxtuum.exe 56 PID 4212 created 3448 4212 Gxtuum.exe 56 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 4f07388498049864f303bb0790b1ba03.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\aswin.vbs 4f07388498049864f303bb0790b1ba03.exe -
Executes dropped EXE 6 IoCs
pid Process 2900 Gxtuum.exe 1128 Gxtuum.exe 1352 Gxtuum.exe 1976 Gxtuum.exe 4212 Gxtuum.exe 2372 Gxtuum.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 4644 set thread context of 3432 4644 4f07388498049864f303bb0790b1ba03.exe 89 PID 2900 set thread context of 1128 2900 Gxtuum.exe 93 PID 1352 set thread context of 1976 1352 Gxtuum.exe 95 PID 4212 set thread context of 2372 4212 Gxtuum.exe 97 -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\Gxtuum.job 4f07388498049864f303bb0790b1ba03.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 6 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 Gxtuum.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Gxtuum.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4f07388498049864f303bb0790b1ba03.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4f07388498049864f303bb0790b1ba03.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Gxtuum.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Gxtuum.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4644 4f07388498049864f303bb0790b1ba03.exe 2900 Gxtuum.exe 1352 Gxtuum.exe 4212 Gxtuum.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 4644 4f07388498049864f303bb0790b1ba03.exe Token: SeDebugPrivilege 4644 4f07388498049864f303bb0790b1ba03.exe Token: SeDebugPrivilege 2900 Gxtuum.exe Token: SeDebugPrivilege 2900 Gxtuum.exe Token: SeDebugPrivilege 1352 Gxtuum.exe Token: SeDebugPrivilege 1352 Gxtuum.exe Token: SeDebugPrivilege 4212 Gxtuum.exe Token: SeDebugPrivilege 4212 Gxtuum.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3432 4f07388498049864f303bb0790b1ba03.exe -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 4644 wrote to memory of 3432 4644 4f07388498049864f303bb0790b1ba03.exe 89 PID 4644 wrote to memory of 3432 4644 4f07388498049864f303bb0790b1ba03.exe 89 PID 4644 wrote to memory of 3432 4644 4f07388498049864f303bb0790b1ba03.exe 89 PID 4644 wrote to memory of 3432 4644 4f07388498049864f303bb0790b1ba03.exe 89 PID 4644 wrote to memory of 3432 4644 4f07388498049864f303bb0790b1ba03.exe 89 PID 4644 wrote to memory of 3432 4644 4f07388498049864f303bb0790b1ba03.exe 89 PID 4644 wrote to memory of 3432 4644 4f07388498049864f303bb0790b1ba03.exe 89 PID 4644 wrote to memory of 3432 4644 4f07388498049864f303bb0790b1ba03.exe 89 PID 4644 wrote to memory of 3432 4644 4f07388498049864f303bb0790b1ba03.exe 89 PID 4644 wrote to memory of 3432 4644 4f07388498049864f303bb0790b1ba03.exe 89 PID 3432 wrote to memory of 2900 3432 4f07388498049864f303bb0790b1ba03.exe 90 PID 3432 wrote to memory of 2900 3432 4f07388498049864f303bb0790b1ba03.exe 90 PID 3432 wrote to memory of 2900 3432 4f07388498049864f303bb0790b1ba03.exe 90 PID 2900 wrote to memory of 1128 2900 Gxtuum.exe 93 PID 2900 wrote to memory of 1128 2900 Gxtuum.exe 93 PID 2900 wrote to memory of 1128 2900 Gxtuum.exe 93 PID 2900 wrote to memory of 1128 2900 Gxtuum.exe 93 PID 2900 wrote to memory of 1128 2900 Gxtuum.exe 93 PID 2900 wrote to memory of 1128 2900 Gxtuum.exe 93 PID 2900 wrote to memory of 1128 2900 Gxtuum.exe 93 PID 2900 wrote to memory of 1128 2900 Gxtuum.exe 93 PID 2900 wrote to memory of 1128 2900 Gxtuum.exe 93 PID 2900 wrote to memory of 1128 2900 Gxtuum.exe 93 PID 1352 wrote to memory of 1976 1352 Gxtuum.exe 95 PID 1352 wrote to memory of 1976 1352 Gxtuum.exe 95 PID 1352 wrote to memory of 1976 1352 Gxtuum.exe 95 PID 1352 wrote to memory of 1976 1352 Gxtuum.exe 95 PID 1352 wrote to memory of 1976 1352 Gxtuum.exe 95 PID 1352 wrote to memory of 1976 1352 Gxtuum.exe 95 PID 1352 wrote to memory of 1976 1352 Gxtuum.exe 95 PID 1352 wrote to memory of 1976 1352 Gxtuum.exe 95 PID 1352 wrote to memory of 1976 1352 Gxtuum.exe 95 PID 1352 wrote to memory of 1976 1352 Gxtuum.exe 95 PID 4212 wrote to memory of 2372 4212 Gxtuum.exe 97 PID 4212 wrote to memory of 2372 4212 Gxtuum.exe 97 PID 4212 wrote to memory of 2372 4212 Gxtuum.exe 97 PID 4212 wrote to memory of 2372 4212 Gxtuum.exe 97 PID 4212 wrote to memory of 2372 4212 Gxtuum.exe 97 PID 4212 wrote to memory of 2372 4212 Gxtuum.exe 97 PID 4212 wrote to memory of 2372 4212 Gxtuum.exe 97 PID 4212 wrote to memory of 2372 4212 Gxtuum.exe 97 PID 4212 wrote to memory of 2372 4212 Gxtuum.exe 97 PID 4212 wrote to memory of 2372 4212 Gxtuum.exe 97
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3448
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C:\Users\Admin\AppData\Local\Temp\4f07388498049864f303bb0790b1ba03.exe"C:\Users\Admin\AppData\Local\Temp\4f07388498049864f303bb0790b1ba03.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4644
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C:\Users\Admin\AppData\Local\Temp\4f07388498049864f303bb0790b1ba03.exe"C:\Users\Admin\AppData\Local\Temp\4f07388498049864f303bb0790b1ba03.exe"2⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3432 -
C:\Users\Admin\AppData\Local\Temp\7725ce688f\Gxtuum.exe"C:\Users\Admin\AppData\Local\Temp\7725ce688f\Gxtuum.exe"3⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2900
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C:\Users\Admin\AppData\Local\Temp\7725ce688f\Gxtuum.exe"C:\Users\Admin\AppData\Local\Temp\7725ce688f\Gxtuum.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1128
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C:\Users\Admin\AppData\Local\Temp\7725ce688f\Gxtuum.exe"C:\Users\Admin\AppData\Local\Temp\7725ce688f\Gxtuum.exe"2⤵
- Executes dropped EXE
PID:1976
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C:\Users\Admin\AppData\Local\Temp\7725ce688f\Gxtuum.exe"C:\Users\Admin\AppData\Local\Temp\7725ce688f\Gxtuum.exe"2⤵
- Executes dropped EXE
PID:2372
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C:\Users\Admin\AppData\Local\Temp\7725ce688f\Gxtuum.exeC:\Users\Admin\AppData\Local\Temp\7725ce688f\Gxtuum.exe1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1352
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C:\Users\Admin\AppData\Local\Temp\7725ce688f\Gxtuum.exeC:\Users\Admin\AppData\Local\Temp\7725ce688f\Gxtuum.exe1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4212
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.3MB
MD54f07388498049864f303bb0790b1ba03
SHA19868a20be451246e387beb5b4dd87522e5b05a60
SHA2567cd155fa3550db2823a75ae6df1a2bec3ae714c5e53a536b7db955d92122af8c
SHA51247e13edf005e8f5dc633b86adc5ab2d0631e5b6347990896b6d8857540993a9face0277be534c7607a1ded3d40bc38ec3b4a8cbc1a39d53f74b5ac69db8dacdb