Analysis
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max time kernel
148s -
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
10-12-2024 22:59
Static task
static1
Behavioral task
behavioral1
Sample
3ccd4078888812cf02a305ed6ab80a99063e52e11d3c8700a349af1099dacf46.dll
Resource
win7-20240729-en
General
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Target
3ccd4078888812cf02a305ed6ab80a99063e52e11d3c8700a349af1099dacf46.dll
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Size
223KB
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MD5
b91ef8d11ff6e9dffa84c7ed89c105ac
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SHA1
ead5fc975b54096d3ef25f78ce4722841d485def
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SHA256
3ccd4078888812cf02a305ed6ab80a99063e52e11d3c8700a349af1099dacf46
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SHA512
70773aa317f06a5fadf0081363a65a44506707565b170295ccff0e14bd6d5e2ba9503a90a49af56065622e9d8d1d3906b5a1340a56ea0bfaa3caff9fb362719a
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SSDEEP
6144:+woIxQEiHVG8W+rCjr1mpTFO1v5G7LwwPDqsksdH2fd:BK+JX1mu1v5G797qsksdWF
Malware Config
Signatures
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Ramnit family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 5zHYL23 -
Executes dropped EXE 2 IoCs
pid Process 4812 5zHYL23 692 xuykcirkpnflquoj.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 4712 4908 WerFault.exe 85 2772 956 WerFault.exe 106 -
System Location Discovery: System Language Discovery 1 TTPs 7 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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5zHYL23 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xuykcirkpnflquoj.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1069386442" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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 Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31148887" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31148887" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1071418062" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1071261901" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31148887" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31148887" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "440636547" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1069386442" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6B43508F-B74A-11EF-B319-FA9F886F8D04} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1267355831" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31148887" IEXPLORE.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 660 Process not Found -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 4812 5zHYL23 Token: SeDebugPrivilege 4812 5zHYL23 Token: SeSecurityPrivilege 692 xuykcirkpnflquoj.exe Token: SeLoadDriverPrivilege 692 xuykcirkpnflquoj.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2064 IEXPLORE.EXE 2064 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2064 IEXPLORE.EXE 2064 IEXPLORE.EXE 3888 IEXPLORE.EXE 3888 IEXPLORE.EXE 3888 IEXPLORE.EXE 3888 IEXPLORE.EXE 2064 IEXPLORE.EXE 2064 IEXPLORE.EXE 5012 IEXPLORE.EXE 5012 IEXPLORE.EXE 5012 IEXPLORE.EXE 5012 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 1508 wrote to memory of 4620 1508 rundll32.exe 83 PID 1508 wrote to memory of 4620 1508 rundll32.exe 83 PID 1508 wrote to memory of 4620 1508 rundll32.exe 83 PID 4620 wrote to memory of 4812 4620 rundll32.exe 84 PID 4620 wrote to memory of 4812 4620 rundll32.exe 84 PID 4620 wrote to memory of 4812 4620 rundll32.exe 84 PID 4812 wrote to memory of 4908 4812 5zHYL23 85 PID 4812 wrote to memory of 4908 4812 5zHYL23 85 PID 4812 wrote to memory of 4908 4812 5zHYL23 85 PID 4812 wrote to memory of 4908 4812 5zHYL23 85 PID 4812 wrote to memory of 4908 4812 5zHYL23 85 PID 4812 wrote to memory of 4908 4812 5zHYL23 85 PID 4812 wrote to memory of 4908 4812 5zHYL23 85 PID 4812 wrote to memory of 4908 4812 5zHYL23 85 PID 4812 wrote to memory of 4908 4812 5zHYL23 85 PID 4812 wrote to memory of 2408 4812 5zHYL23 96 PID 4812 wrote to memory of 2408 4812 5zHYL23 96 PID 4812 wrote to memory of 2408 4812 5zHYL23 96 PID 2408 wrote to memory of 2064 2408 iexplore.exe 97 PID 2408 wrote to memory of 2064 2408 iexplore.exe 97 PID 2064 wrote to memory of 3888 2064 IEXPLORE.EXE 99 PID 2064 wrote to memory of 3888 2064 IEXPLORE.EXE 99 PID 2064 wrote to memory of 3888 2064 IEXPLORE.EXE 99 PID 4812 wrote to memory of 956 4812 5zHYL23 106 PID 4812 wrote to memory of 956 4812 5zHYL23 106 PID 4812 wrote to memory of 956 4812 5zHYL23 106 PID 4812 wrote to memory of 956 4812 5zHYL23 106 PID 4812 wrote to memory of 956 4812 5zHYL23 106 PID 4812 wrote to memory of 956 4812 5zHYL23 106 PID 4812 wrote to memory of 956 4812 5zHYL23 106 PID 4812 wrote to memory of 956 4812 5zHYL23 106 PID 4812 wrote to memory of 956 4812 5zHYL23 106 PID 4812 wrote to memory of 4568 4812 5zHYL23 111 PID 4812 wrote to memory of 4568 4812 5zHYL23 111 PID 4812 wrote to memory of 4568 4812 5zHYL23 111 PID 4568 wrote to memory of 1828 4568 iexplore.exe 112 PID 4568 wrote to memory of 1828 4568 iexplore.exe 112 PID 2064 wrote to memory of 5012 2064 IEXPLORE.EXE 113 PID 2064 wrote to memory of 5012 2064 IEXPLORE.EXE 113 PID 2064 wrote to memory of 5012 2064 IEXPLORE.EXE 113 PID 4812 wrote to memory of 692 4812 5zHYL23 116 PID 4812 wrote to memory of 692 4812 5zHYL23 116 PID 4812 wrote to memory of 692 4812 5zHYL23 116
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3ccd4078888812cf02a305ed6ab80a99063e52e11d3c8700a349af1099dacf46.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3ccd4078888812cf02a305ed6ab80a99063e52e11d3c8700a349af1099dacf46.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Users\Admin\AppData\Local\Temp\5zHYL23"5zHYL23"3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4812 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵PID:4908
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 2085⤵
- Program crash
PID:4712
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2064 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3888
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2064 CREDAT:17416 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:5012
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵PID:956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 2045⤵
- Program crash
PID:2772
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4568 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"5⤵
- Modifies Internet Explorer settings
PID:1828
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C:\Users\Admin\AppData\Local\Temp\xuykcirkpnflquoj.exe"C:\Users\Admin\AppData\Local\Temp\xuykcirkpnflquoj.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4908 -ip 49081⤵PID:5068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 956 -ip 9561⤵PID:2852
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD587f8376b71b1fd35da4b511eff055888
SHA10c55fba0aa699282bbe4d129dd0ba16d4e377ce9
SHA256a1383ed3b4f8967fb19f5b16bfe41eb3242b296ffc06c1098fbe1d1a04a7003f
SHA5128556ed20a3d9daf8f74b2eceaab6a3773b69d5c9524ba8dbb8af1ad64b2235165e487c41646e357be5906aaa7f0f4c57ff8dc9ea2acc0c87f443d3ad083c9031
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD54399a8b0bbedfd7321c74d9d82febafe
SHA1e9c2bbfce27a895f8091c46760a4d430beb1da8a
SHA2561025fa337cda3c729407cf6550f56782ff26f78b16a9621b7b39a7ea2e72ae84
SHA51221352a5b9eddd7dc8ae67c8b5cc6cf26d39e3b29a4339c2e578da76abdef88cd0a5e0f24ea331e73bdefb66919efc23e46f88e95e7e1de6426d3c72c21800008
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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
95KB
MD559a8da264fd7a5ae49c8ffa33eeb16ce
SHA1c11ca66a4cce9b7496f214041807da451c7eae2a
SHA256a96dcd4fe7b6cb854545e91ebc3612c5f88e9aae6adf62b00af31bb1ab304304
SHA512f05bd6fb82cb6776ef059d7205aecc893a606c742cf0a459830c9780ace0b4a6a938b59cc5b26c2e590b941d07cb8e7890db44fba4e66c5e7d090fe9c39133c7