Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
11-01-2025 07:44
Static task
static1
Behavioral task
behavioral1
Sample
e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bed.exe
Resource
win7-20241010-en
General
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Target
e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bed.exe
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Size
332KB
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MD5
3107594e2cbf18ee9afd994015c6476a
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SHA1
29639766e5177e9a80171df764204d437f8316f5
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SHA256
e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bed
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SHA512
4abd43c2aeaa8b980ddf66089b843d2a2ba498bd11264d88e812ded514c4943dbe852297986fc19ce8cc6484b0ebddc88aac48a862f40d32751343574f2fa22f
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SSDEEP
6144:PoFhCIv8jGnEzl2OUnQWofWNPLYPF69fUb8:PoFhCApnEzl2OuFZDCb
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 2908 e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bedSrv.exe 2712 DesktopLayer.exe -
Loads dropped DLL 2 IoCs
pid Process 2476 e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bed.exe 2908 e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bedSrv.exe -
resource yara_rule behavioral1/files/0x00070000000120fc-2.dat upx behavioral1/memory/2908-9-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/2712-17-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/2712-20-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/2712-19-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/2712-22-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/2712-24-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px6E7C.tmp e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bedSrv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bedSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bedSrv.exe -
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 e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bed.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bedSrv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DesktopLayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D8E93431-CFEF-11EF-B0B2-5ADFF6BE2048} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442743361" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2712 DesktopLayer.exe 2712 DesktopLayer.exe 2712 DesktopLayer.exe 2712 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2832 iexplore.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2476 e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bed.exe 2476 e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bed.exe 2832 iexplore.exe 2832 iexplore.exe 2876 IEXPLORE.EXE 2876 IEXPLORE.EXE 2876 IEXPLORE.EXE 2876 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2476 wrote to memory of 2908 2476 e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bed.exe 28 PID 2476 wrote to memory of 2908 2476 e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bed.exe 28 PID 2476 wrote to memory of 2908 2476 e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bed.exe 28 PID 2476 wrote to memory of 2908 2476 e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bed.exe 28 PID 2908 wrote to memory of 2712 2908 e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bedSrv.exe 29 PID 2908 wrote to memory of 2712 2908 e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bedSrv.exe 29 PID 2908 wrote to memory of 2712 2908 e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bedSrv.exe 29 PID 2908 wrote to memory of 2712 2908 e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bedSrv.exe 29 PID 2712 wrote to memory of 2832 2712 DesktopLayer.exe 30 PID 2712 wrote to memory of 2832 2712 DesktopLayer.exe 30 PID 2712 wrote to memory of 2832 2712 DesktopLayer.exe 30 PID 2712 wrote to memory of 2832 2712 DesktopLayer.exe 30 PID 2832 wrote to memory of 2876 2832 iexplore.exe 31 PID 2832 wrote to memory of 2876 2832 iexplore.exe 31 PID 2832 wrote to memory of 2876 2832 iexplore.exe 31 PID 2832 wrote to memory of 2876 2832 iexplore.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bed.exe"C:\Users\Admin\AppData\Local\Temp\e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bed.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2476 -
C:\Users\Admin\AppData\Local\Temp\e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bedSrv.exeC:\Users\Admin\AppData\Local\Temp\e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bedSrv.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2832 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2832 CREDAT:275457 /prefetch:25⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2876
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\e1d2d8592814cc712b1339901cf193299887b93f913a886245262b91ecc41bedSrv.exe
Filesize55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a