Analysis
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max time kernel
147s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04/11/2024, 02:05
Static task
static1
Behavioral task
behavioral1
Sample
121bfcb759e561bca3f63777498646c80d030a92dac5a27c7c9cc8f5581e672e.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
121bfcb759e561bca3f63777498646c80d030a92dac5a27c7c9cc8f5581e672e.exe
Resource
win10v2004-20241007-en
General
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Target
121bfcb759e561bca3f63777498646c80d030a92dac5a27c7c9cc8f5581e672e.exe
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Size
29KB
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MD5
3ace4cb9af0f0a2788212b3ec9dd4a4e
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SHA1
2914bd74b5553f5f4dbd5f7b23bc00d04a2c77cb
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SHA256
121bfcb759e561bca3f63777498646c80d030a92dac5a27c7c9cc8f5581e672e
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SHA512
76ecc354b1fb5bf93f18bbe9f85401ef40e0826f7eea73a0cb5afda5d69ec384a459c07b6cc2386176888978d2dbb9bac9360e249114c59799de0984bbba5c56
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SSDEEP
384:EhEy+hzv91UqVY8+JppEhKe+Ej7sI4GSFdX9NAb/QX22r5A/w/o0el7xI:IEy+hT91UqVY8+XpEh6CMs7gx/o17
Malware Config
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation 121bfcb759e561bca3f63777498646c80d030a92dac5a27c7c9cc8f5581e672e.exe Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation service.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\service.exe 121bfcb759e561bca3f63777498646c80d030a92dac5a27c7c9cc8f5581e672e.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\service.exe service.exe -
Executes dropped EXE 1 IoCs
pid Process 4036 service.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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language service.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 121bfcb759e561bca3f63777498646c80d030a92dac5a27c7c9cc8f5581e672e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3596 schtasks.exe 2040 schtasks.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3212 wrote to memory of 3824 3212 121bfcb759e561bca3f63777498646c80d030a92dac5a27c7c9cc8f5581e672e.exe 85 PID 3212 wrote to memory of 3824 3212 121bfcb759e561bca3f63777498646c80d030a92dac5a27c7c9cc8f5581e672e.exe 85 PID 3212 wrote to memory of 3824 3212 121bfcb759e561bca3f63777498646c80d030a92dac5a27c7c9cc8f5581e672e.exe 85 PID 3824 wrote to memory of 2040 3824 cmd.exe 87 PID 3824 wrote to memory of 2040 3824 cmd.exe 87 PID 3824 wrote to memory of 2040 3824 cmd.exe 87 PID 4036 wrote to memory of 1512 4036 service.exe 96 PID 4036 wrote to memory of 1512 4036 service.exe 96 PID 4036 wrote to memory of 1512 4036 service.exe 96 PID 1512 wrote to memory of 3596 1512 cmd.exe 98 PID 1512 wrote to memory of 3596 1512 cmd.exe 98 PID 1512 wrote to memory of 3596 1512 cmd.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\121bfcb759e561bca3f63777498646c80d030a92dac5a27c7c9cc8f5581e672e.exe"C:\Users\Admin\AppData\Local\Temp\121bfcb759e561bca3f63777498646c80d030a92dac5a27c7c9cc8f5581e672e.exe"1⤵
- Checks computer location settings
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3212 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C schtasks /create /tn WinApp /tr %APPDATA%\service.exe /st 00:00 /du 9999:59 /sc daily /ri 1 /f2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3824 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn WinApp /tr C:\Users\Admin\AppData\Roaming\service.exe /st 00:00 /du 9999:59 /sc daily /ri 1 /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2040
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C:\Users\Admin\AppData\Roaming\service.exeC:\Users\Admin\AppData\Roaming\service.exe1⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C schtasks /create /tn WinApp /tr %APPDATA%\service.exe /st 00:00 /du 9999:59 /sc daily /ri 1 /f2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1512 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn WinApp /tr C:\Users\Admin\AppData\Roaming\service.exe /st 00:00 /du 9999:59 /sc daily /ri 1 /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3596
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD53ace4cb9af0f0a2788212b3ec9dd4a4e
SHA12914bd74b5553f5f4dbd5f7b23bc00d04a2c77cb
SHA256121bfcb759e561bca3f63777498646c80d030a92dac5a27c7c9cc8f5581e672e
SHA51276ecc354b1fb5bf93f18bbe9f85401ef40e0826f7eea73a0cb5afda5d69ec384a459c07b6cc2386176888978d2dbb9bac9360e249114c59799de0984bbba5c56