Analysis
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max time kernel
150s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
07/01/2024, 19:37
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a83dd75d61102086fcddcbe2b48f644b.exe
Resource
win7-20231215-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
a83dd75d61102086fcddcbe2b48f644b.exe
Resource
win10v2004-20231215-en
5 signatures
150 seconds
General
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Target
a83dd75d61102086fcddcbe2b48f644b.exe
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Size
96KB
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MD5
a83dd75d61102086fcddcbe2b48f644b
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SHA1
50e77ec55243e76e2ceaddf5930712f1962c235d
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SHA256
16f701f6662d98652f659d35371e60765a64035a81f1a92a1c0fdc2e67d3af69
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SHA512
509b80c66264dcb15b9b4b60e93d52d52c2b79fce94da1a3a010f0c040d15a049e5830bbd2341ec6875db1666e32d79b606bf38df5f9f2ace8a3af6b2c3218cc
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SSDEEP
768:IBd4Xon6LgLa1fmTZTPXqI5zUDO6SaQIKhAQ52tYQ4NBKJeYjQTEVwbK:I3DLaRmF7XXB6SapwAxtrPsECm
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\msconfig.dat" svchost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 2008 a83dd75d61102086fcddcbe2b48f644b.exe 2716 explorer.exe 1260 Explorer.EXE 2928 svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2060 set thread context of 2008 2060 a83dd75d61102086fcddcbe2b48f644b.exe 18 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2008 a83dd75d61102086fcddcbe2b48f644b.exe 2008 a83dd75d61102086fcddcbe2b48f644b.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe 2928 svchost.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2008 a83dd75d61102086fcddcbe2b48f644b.exe 2008 a83dd75d61102086fcddcbe2b48f644b.exe -
Suspicious use of FindShellTrayWindow 5 IoCs
pid Process 1260 Explorer.EXE 1260 Explorer.EXE 1260 Explorer.EXE 1260 Explorer.EXE 2784 ctfmon.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1260 Explorer.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2928 svchost.exe 2928 svchost.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2060 wrote to memory of 2008 2060 a83dd75d61102086fcddcbe2b48f644b.exe 18 PID 2060 wrote to memory of 2008 2060 a83dd75d61102086fcddcbe2b48f644b.exe 18 PID 2060 wrote to memory of 2008 2060 a83dd75d61102086fcddcbe2b48f644b.exe 18 PID 2060 wrote to memory of 2008 2060 a83dd75d61102086fcddcbe2b48f644b.exe 18 PID 2060 wrote to memory of 2008 2060 a83dd75d61102086fcddcbe2b48f644b.exe 18 PID 2060 wrote to memory of 2008 2060 a83dd75d61102086fcddcbe2b48f644b.exe 18 PID 2060 wrote to memory of 2008 2060 a83dd75d61102086fcddcbe2b48f644b.exe 18 PID 2060 wrote to memory of 2008 2060 a83dd75d61102086fcddcbe2b48f644b.exe 18 PID 2060 wrote to memory of 2008 2060 a83dd75d61102086fcddcbe2b48f644b.exe 18 PID 2008 wrote to memory of 2716 2008 a83dd75d61102086fcddcbe2b48f644b.exe 29 PID 2008 wrote to memory of 2716 2008 a83dd75d61102086fcddcbe2b48f644b.exe 29 PID 2008 wrote to memory of 2716 2008 a83dd75d61102086fcddcbe2b48f644b.exe 29 PID 2008 wrote to memory of 2716 2008 a83dd75d61102086fcddcbe2b48f644b.exe 29 PID 2716 wrote to memory of 1260 2716 explorer.exe 21 PID 1260 wrote to memory of 2928 1260 Explorer.EXE 30 PID 1260 wrote to memory of 2928 1260 Explorer.EXE 30 PID 1260 wrote to memory of 2928 1260 Explorer.EXE 30 PID 1260 wrote to memory of 2928 1260 Explorer.EXE 30 PID 1260 wrote to memory of 2928 1260 Explorer.EXE 30 PID 2928 wrote to memory of 2784 2928 svchost.exe 31 PID 2928 wrote to memory of 2784 2928 svchost.exe 31 PID 2928 wrote to memory of 2784 2928 svchost.exe 31 PID 2928 wrote to memory of 2784 2928 svchost.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe"C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe"C:\Users\Admin\AppData\Local\Temp\a83dd75d61102086fcddcbe2b48f644b.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Windows\explorer.exe"C:\Windows\explorer.exe"3⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2716
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\Windows\syswow64\svchost.exe"C:\Windows\syswow64\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928 -
C:\Windows\SysWOW64\ctfmon.exectfmon.exe3⤵
- Suspicious use of FindShellTrayWindow
PID:2784
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