Analysis
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max time kernel
91s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
30/03/2024, 00:38
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnit.exe
Resource
win7-20240221-en
General
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Target
2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnit.exe
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Size
350KB
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MD5
eba37b2e24b58a1f57c766dcb88214a0
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SHA1
3dc2de3996b2cba2482e7992e0073d91b10759f4
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SHA256
1eead07a4c127453be9cd8c84e866388d7cc21c09f2c02edd1f5e034c3e9cfe5
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SHA512
52edbd45c4f2b5d6aaa3e46ae4d76dd95f92e4b937dfa56448dcc8d76e970f5cbea6cc5337dfaa2837c3f885d4c2bd4cd8b1f69069c7686dd1a1bc3119eecec3
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SSDEEP
6144:KznAtGqS5NjM2KbQbNYuhZ+6+eAbuQ5Zu60HnPLhDgWrA6hjt1aYTta:KTLnp+BCQ5Zu60HnP1TboYx
Malware Config
Signatures
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UPX dump on OEP (original entry point) 7 IoCs
resource yara_rule behavioral2/files/0x000b000000022e56-3.dat UPX behavioral2/memory/3600-4-0x0000000000400000-0x000000000042E000-memory.dmp UPX behavioral2/memory/3600-10-0x0000000000400000-0x000000000042E000-memory.dmp UPX behavioral2/memory/1892-6-0x0000000000400000-0x0000000000460000-memory.dmp UPX behavioral2/memory/4748-13-0x0000000000400000-0x000000000042E000-memory.dmp UPX behavioral2/memory/4748-17-0x0000000000400000-0x000000000042E000-memory.dmp UPX behavioral2/memory/4748-19-0x0000000000400000-0x000000000042E000-memory.dmp UPX -
Executes dropped EXE 2 IoCs
pid Process 3600 2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnitSrv.exe 4748 DesktopLayer.exe -
resource yara_rule behavioral2/files/0x000b000000022e56-3.dat upx behavioral2/memory/3600-4-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/3600-10-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/4748-13-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/4748-17-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/4748-19-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px40E1.tmp 2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnitSrv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe 2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnitSrv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe 2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnitSrv.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\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-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "418524118" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31097402" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3150027649" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3150027649" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31097402" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3152215722" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3152215722" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31097402" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E749C22D-EE2D-11EE-9216-6257B05D87B4} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31097402" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4748 DesktopLayer.exe 4748 DesktopLayer.exe 4748 DesktopLayer.exe 4748 DesktopLayer.exe 4748 DesktopLayer.exe 4748 DesktopLayer.exe 4748 DesktopLayer.exe 4748 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2696 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2696 iexplore.exe 2696 iexplore.exe 4680 IEXPLORE.EXE 4680 IEXPLORE.EXE 4680 IEXPLORE.EXE 4680 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1892 wrote to memory of 3600 1892 2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnit.exe 86 PID 1892 wrote to memory of 3600 1892 2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnit.exe 86 PID 1892 wrote to memory of 3600 1892 2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnit.exe 86 PID 3600 wrote to memory of 4748 3600 2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnitSrv.exe 87 PID 3600 wrote to memory of 4748 3600 2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnitSrv.exe 87 PID 3600 wrote to memory of 4748 3600 2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnitSrv.exe 87 PID 4748 wrote to memory of 2696 4748 DesktopLayer.exe 89 PID 4748 wrote to memory of 2696 4748 DesktopLayer.exe 89 PID 2696 wrote to memory of 4680 2696 iexplore.exe 90 PID 2696 wrote to memory of 4680 2696 iexplore.exe 90 PID 2696 wrote to memory of 4680 2696 iexplore.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnit.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnit.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Users\Admin\AppData\Local\Temp\2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnitSrv.exeC:\Users\Admin\AppData\Local\Temp\2024-03-30_eba37b2e24b58a1f57c766dcb88214a0_icedid_ramnitSrv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3600 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4748 -
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:2696 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2696 CREDAT:17410 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4680
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD583b49b2e7134c3062b8085920426bfb3
SHA1b4cf85a34739004f8c250efa1c3b021c19830c85
SHA2561cd035d5b63a191de0e8853548025d785dcd928e3049dec5642009391f5befcc
SHA512a7d8db600b83ae679a8b03a677259b5746d883bfd131f09859447c0400835536297b3ed6419a44e961aff996dc5536b55d340399ebacca3be3ba4b8b19781d4e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5fdbfab59dd731fc781a0a138c771202a
SHA1929c5136d238408f69ba3056d99b3c3204b63eb2
SHA256f4b7ad5ebe693d2eaa3f80dce3416b3cf2d9099864e1cef9826a7939f1cbc5eb
SHA512f5a24edc9d42603e86563313e0a0602b70a9caad52f555979f0dec7239d74df7ab189f276e7809fac3bc2799d00a4c28efb2ef1b58659b00b397085e6b92aae2
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Filesize
15KB
MD51a545d0052b581fbb2ab4c52133846bc
SHA162f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA256557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
SHA512bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a