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Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
29/09/2024, 18:17
Static task
static1
Behavioral task
behavioral1
Sample
0540db8c25a6f134caff0bdf1acb75e71295213e848068ada3645c127bef6075.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
0540db8c25a6f134caff0bdf1acb75e71295213e848068ada3645c127bef6075.exe
Resource
win10v2004-20240802-en
General
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Target
0540db8c25a6f134caff0bdf1acb75e71295213e848068ada3645c127bef6075.exe
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Size
60KB
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MD5
cf8f8593652077f8ba0992344bcefb5b
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SHA1
6259ca7c277468682abc3f770661d401627ce7c7
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SHA256
0540db8c25a6f134caff0bdf1acb75e71295213e848068ada3645c127bef6075
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SHA512
ae3719a6df676abed355efd1d7afed3cf1c8386a401461eb506f99df80515a6195f8363046c6daa3b39786f5818e0b5a945c1a267290f6a426165d9b86633609
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SSDEEP
1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIq:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVs
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2568 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2568 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 0540db8c25a6f134caff0bdf1acb75e71295213e848068ada3645c127bef6075.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 0540db8c25a6f134caff0bdf1acb75e71295213e848068ada3645c127bef6075.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 0540db8c25a6f134caff0bdf1acb75e71295213e848068ada3645c127bef6075.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2684 wrote to memory of 2568 2684 0540db8c25a6f134caff0bdf1acb75e71295213e848068ada3645c127bef6075.exe 30 PID 2684 wrote to memory of 2568 2684 0540db8c25a6f134caff0bdf1acb75e71295213e848068ada3645c127bef6075.exe 30 PID 2684 wrote to memory of 2568 2684 0540db8c25a6f134caff0bdf1acb75e71295213e848068ada3645c127bef6075.exe 30 PID 2684 wrote to memory of 2568 2684 0540db8c25a6f134caff0bdf1acb75e71295213e848068ada3645c127bef6075.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\0540db8c25a6f134caff0bdf1acb75e71295213e848068ada3645c127bef6075.exe"C:\Users\Admin\AppData\Local\Temp\0540db8c25a6f134caff0bdf1acb75e71295213e848068ada3645c127bef6075.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
PID:2568
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD5e1d24cb8857bebf73627813ecf14c578
SHA11e1b6f4495e9133be0a4d1a8983436c763a95add
SHA25679784f391402da41f11a1a7970fd458a7e04ef6ed94be9eadbafbbf38f0b5543
SHA512e7fae5bbc64f2d8ed712b83e079d6cdcf295ec55d1e7b507bf04de097fb48e8c4b091730be57f49f44f9c1665fce710e4ff632acaee5fef627e9eb674ef9a8ad