Analysis
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max time kernel
145s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20250610-en -
resource tags
arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-x64system -
submitted
03/07/2025, 05:56
Static task
static1
Behavioral task
behavioral1
Sample
b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf.exe
Resource
win10v2004-20250610-en
General
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Target
b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf.exe
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Size
648KB
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MD5
247f7aa2f10bfc5b228a0ea4ed15273c
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SHA1
1cda820d5755d71007015aabbac1a32e8c2cc59e
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SHA256
b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf
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SHA512
8ce36b55ab0af3bc26a5a505f5799bfd409b1299d6099e6d2a6baaa9a17129b8d6fe480497d0b5f22c0d5118d46737b23dfabee7547ea2f1f9eed701e612b1ee
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SSDEEP
6144:O82p4pFHfzMepymgWPnviP6Koa0nArn20l96tCF2eKNBDRlC8HQQDhy5OwbYBwMY:Ip4pNfz3ymJnJ8QCFkxCaQTOlOM64c
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe" HelpMe.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk HelpMe.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk HelpMe.exe -
Executes dropped EXE 1 IoCs
pid Process 1188 HelpMe.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\B: HelpMe.exe File opened (read-only) \??\G: HelpMe.exe File opened (read-only) \??\H: HelpMe.exe File opened (read-only) \??\J: HelpMe.exe File opened (read-only) \??\L: HelpMe.exe File opened (read-only) \??\M: HelpMe.exe File opened (read-only) \??\S: HelpMe.exe File opened (read-only) \??\U: HelpMe.exe File opened (read-only) \??\E: HelpMe.exe File opened (read-only) \??\Q: HelpMe.exe File opened (read-only) \??\R: HelpMe.exe File opened (read-only) \??\V: HelpMe.exe File opened (read-only) \??\W: HelpMe.exe File opened (read-only) \??\X: HelpMe.exe File opened (read-only) \??\Y: HelpMe.exe File opened (read-only) \??\Z: HelpMe.exe File opened (read-only) \??\N: HelpMe.exe File opened (read-only) \??\O: HelpMe.exe File opened (read-only) \??\P: HelpMe.exe File opened (read-only) \??\A: HelpMe.exe File opened (read-only) \??\I: HelpMe.exe File opened (read-only) \??\T: HelpMe.exe File opened (read-only) \??\K: HelpMe.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification F:\AUTORUN.INF HelpMe.exe File opened for modification C:\AUTORUN.INF HelpMe.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\HelpMe.exe b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf.exe File created C:\Windows\SysWOW64\HelpMe.exe HelpMe.exe File opened for modification C:\Windows\SysWOW64\HelpMe.exe b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf.exe File created C:\Windows\SysWOW64\notepad.exe.exe b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf.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 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 HelpMe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4536 b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf.exe 4536 b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4536 wrote to memory of 1188 4536 b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf.exe 87 PID 4536 wrote to memory of 1188 4536 b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf.exe 87 PID 4536 wrote to memory of 1188 4536 b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf.exe"C:\Users\Admin\AppData\Local\Temp\b65fc816a150cf67400f3b736c5bd3a16c9402af72f7cb0bf7e40eed7b1fcddf.exe"1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4536 -
C:\Windows\SysWOW64\HelpMe.exeC:\Windows\system32\HelpMe.exe2⤵
- Modifies WinLogon for persistence
- Drops startup file
- Executes dropped EXE
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:1188
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
567KB
MD59b99e6842f3d2e2c0c36ffcc2613d8f6
SHA1428f538e10c4e4652ae17b883d01fcff84366849
SHA256b892fb8eff26ee543844425795c8b0e8ca199d4b245588a234852412828d21ce
SHA5122271b5953f6b17a02011da5493b0eeb8de6a16c85f96d67abb3bf1b2c0fd210ce33b85d0859db1a02d5e724b87e5b0b16db8134e1b288b55545c636a323fce36
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Filesize
1.4MB
MD58caee687a6a759e3739ca5a55cfee189
SHA1f7b37f65a4f2620ed5d2f96dac03cb07b0a9523e
SHA2565deb1dc157c379adaaf874d9badb2859923dfbbb19a3a9e4ca6aac1ab4816f38
SHA5127ac9803e9f372dffcd4e604a21e92b236515b44539e01be5d8511586360c4c9b4d628e65ee8c2a67445142ebdd6fa5ea0f5f4d9a59b289cc1bee70c6998e74d0
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Filesize
566KB
MD5f00c97ff6b429e518b3b1eaa5c072d4c
SHA1951dfbb4f8b4ce25ccef61bbabf450c4a11bdc36
SHA2563bc026023f0d9b85e3f3c1c6304e24ab83076136d5ccdcdf857f3f7d901b60d8
SHA512676b2b57d517f22f7f982696b8324f27583c8dc13a3028819c230827021b54f64e2cc7ac24793f12b78c1c0a8bc210bdb11a7c8b570844a1f70903e9a04c45ee
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Filesize
145B
MD5ca13857b2fd3895a39f09d9dde3cca97
SHA18b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0
SHA256cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae
SHA51255e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47