Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-12-2024 20:46
Static task
static1
Behavioral task
behavioral1
Sample
1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe
Resource
win7-20240729-en
General
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Target
1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe
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Size
844KB
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MD5
dcabd0e4119ca80bac755dd16c527346
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SHA1
db464e67586a4651a98b98f6ffff201a2abba289
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SHA256
1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178
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SHA512
92ff1c6b77e9561600bc29a7c4d11a8e89329e29a90146ff44647dfff3c302a4bf471a7b35770016b736cf1a76d93c9d856f01a0ee74ec88fdbf941f9985a1f8
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SSDEEP
12288:b/oOyoUj+UqlpCvaJ7ISSiBIM80cOp7BQGhEM7G/ny1UR:boOyorUqlAaJ7ISH80cOp7iBM7G/
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 2932 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178Srv.exe 512 DesktopLayer.exe -
resource yara_rule behavioral2/memory/2932-7-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/512-16-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/512-15-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/512-12-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/512-11-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/files/0x0008000000023ca5-10.dat upx behavioral2/memory/2932-4-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\pxADC4.tmp 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178Srv.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 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178Srv.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 Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150880" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441492540" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1129996579" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6EBC624F-BF13-11EF-9361-D6A59BC41F9D} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1126871985" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1126871985" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31150880" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150880" IEXPLORE.EXE -
Modifies registry class 18 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\W1616.Document\ = "W1616 Document" 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\W1616.Document\DefaultIcon 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\W1616.Document\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1150CC~1.EXE,1" 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\W1616.Document\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1150CC~1.EXE \"%1\"" 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\W1616.Document\shell\printto\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1150CC~1.EXE /pt \"%1\" \"%2\" \"%3\" \"%4\"" 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\W1616.Document 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\W1616.Document\shell\print 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\W1616.Document\shell\printto\command 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.rsl\ = "W1616.Document" 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.rsl\ShellNew 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.rsl\ShellNew\NullFile 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\W1616.Document\shell\open\command 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\W1616.Document\shell\printto 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.rsl 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\W1616.Document\shell\print\command 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\W1616.Document\shell\open 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\W1616.Document\shell\print\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1150CC~1.EXE /p \"%1\"" 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\W1616.Document\shell 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 512 DesktopLayer.exe 512 DesktopLayer.exe 512 DesktopLayer.exe 512 DesktopLayer.exe 512 DesktopLayer.exe 512 DesktopLayer.exe 512 DesktopLayer.exe 512 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2900 iexplore.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3800 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe 3800 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe 2900 iexplore.exe 2900 iexplore.exe 1528 IEXPLORE.EXE 1528 IEXPLORE.EXE 1528 IEXPLORE.EXE 1528 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3800 wrote to memory of 2932 3800 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe 81 PID 3800 wrote to memory of 2932 3800 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe 81 PID 3800 wrote to memory of 2932 3800 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe 81 PID 2932 wrote to memory of 512 2932 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178Srv.exe 82 PID 2932 wrote to memory of 512 2932 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178Srv.exe 82 PID 2932 wrote to memory of 512 2932 1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178Srv.exe 82 PID 512 wrote to memory of 2900 512 DesktopLayer.exe 83 PID 512 wrote to memory of 2900 512 DesktopLayer.exe 83 PID 2900 wrote to memory of 1528 2900 iexplore.exe 84 PID 2900 wrote to memory of 1528 2900 iexplore.exe 84 PID 2900 wrote to memory of 1528 2900 iexplore.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe"C:\Users\Admin\AppData\Local\Temp\1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178.exe"1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3800 -
C:\Users\Admin\AppData\Local\Temp\1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178Srv.exeC:\Users\Admin\AppData\Local\Temp\1150ccbc04aa30bc938a6bf6b4a087f8f5d48265b7ffa659956e562aa4a46178Srv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2932 -
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:512 -
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:2900 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2900 CREDAT:17410 /prefetch:25⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1528
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD522595e00918bf3009196174bddbef148
SHA1530bc5fc75035691e36f6085d5d3431f5dea6690
SHA256a99298b91c5902bd4d1190318e81f53705cf19398eb4cff8290c34959b5cd1f7
SHA51209b80c491740ae681987674cf08508ba8ce0d3043b94d0810b866e3aa72e0d29b92ab50841dd83a335f2ff9431f1f2df95c925ec824dc4e3648dab87b3bc41e1
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5a37457d94708fa49ba6c7e181de6718b
SHA1b7667373fd27feb2dcedc38df2044bcbcb1dfb31
SHA256b66ad0d066767a704dba1cdd5cbc8070204995220575c8fddfc50004fd7cf97c
SHA512a495e7acf179208fe6d9cab823a20f93cf74fdba9f7fb5cbca1c206b8a191cb23ccc0e341e137fe1030d63938b4d5436d16a50fae3373329dee6cfae5ba38533
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee