Analysis
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max time kernel
118s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20250211-en -
resource tags
arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system -
submitted
12-02-2025 13:34
Static task
static1
Behavioral task
behavioral1
Sample
b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe
Resource
win10v2004-20250211-en
General
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Target
b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe
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Size
54KB
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MD5
9c075695fdcd565287d2cad1f4814330
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SHA1
b9d97ecc70769e7b668d91650dd2f2d08da985ee
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SHA256
b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25
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SHA512
5b80bb22a9c3106753c4d74d758d52ee2441f56281fcade8e7780e71db9cb6b4766ac3ce7e920b3b8067e236632c2751c5c1b4e57f860e854067b64205797495
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SSDEEP
768:O3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBC:G5tPusSRJDTlLTOpJiaDjts4gfFi2+g
Malware Config
Signatures
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Downloads MZ/PE file 1 IoCs
flow pid Process 25 384 Process not Found -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3260 set thread context of 2044 3260 b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe 87 -
Program crash 1 IoCs
pid pid_target Process procid_target 1888 3456 WerFault.exe 88 -
System Location Discovery: System Language Discovery 1 TTPs 4 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 b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4092 MicrosoftEdgeUpdate.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3456 winver.exe 3456 winver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3472 Explorer.EXE Token: SeCreatePagefilePrivilege 3472 Explorer.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3456 winver.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3260 b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3472 Explorer.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3260 wrote to memory of 2044 3260 b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe 87 PID 3260 wrote to memory of 2044 3260 b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe 87 PID 3260 wrote to memory of 2044 3260 b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe 87 PID 3260 wrote to memory of 2044 3260 b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe 87 PID 3260 wrote to memory of 2044 3260 b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe 87 PID 3260 wrote to memory of 2044 3260 b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe 87 PID 2044 wrote to memory of 3456 2044 b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe 88 PID 2044 wrote to memory of 3456 2044 b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe 88 PID 2044 wrote to memory of 3456 2044 b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe 88 PID 2044 wrote to memory of 3456 2044 b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe 88 PID 3456 wrote to memory of 3472 3456 winver.exe 56 PID 3456 wrote to memory of 1076 3456 winver.exe 51
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:1076
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3472 -
C:\Users\Admin\AppData\Local\Temp\b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe"C:\Users\Admin\AppData\Local\Temp\b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Users\Admin\AppData\Local\Temp\b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe"C:\Users\Admin\AppData\Local\Temp\b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\SysWOW64\winver.exewinver4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3456 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 4405⤵
- Program crash
PID:1888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3456 -ip 34561⤵PID:3272
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIwIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMyMzYiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDI1MTE0ODAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTE5ODc3NTIyIi8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4092