Analysis
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max time kernel
91s -
max time network
92s -
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 22:52
Static task
static1
Behavioral task
behavioral1
Sample
3ccd4078888812cf02a305ed6ab80a99063e52e11d3c8700a349af1099dacf46.dll
Resource
win7-20241010-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation 5zHYL23 -
Executes dropped EXE 2 IoCs
pid Process 4880 5zHYL23 3000 bkhgabrnkasifevi.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 3156 4140 WerFault.exe 86 4700 1912 WerFault.exe 100 -
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 bkhgabrnkasifevi.exe 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 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "440636165" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8789FA92-B749-11EF-A4B7-4A034D48373C} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1542530193" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31148886" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\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-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1742530111" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31148886" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1542530193" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31148886" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31148886" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1545029860" IEXPLORE.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 656 Process not Found -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 4880 5zHYL23 Token: SeDebugPrivilege 4880 5zHYL23 Token: SeSecurityPrivilege 3000 bkhgabrnkasifevi.exe Token: SeLoadDriverPrivilege 3000 bkhgabrnkasifevi.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1560 IEXPLORE.EXE 1560 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1560 IEXPLORE.EXE 1560 IEXPLORE.EXE 184 IEXPLORE.EXE 184 IEXPLORE.EXE 184 IEXPLORE.EXE 184 IEXPLORE.EXE 1560 IEXPLORE.EXE 1560 IEXPLORE.EXE 2232 IEXPLORE.EXE 2232 IEXPLORE.EXE 2232 IEXPLORE.EXE 2232 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 4112 wrote to memory of 4236 4112 rundll32.exe 84 PID 4112 wrote to memory of 4236 4112 rundll32.exe 84 PID 4112 wrote to memory of 4236 4112 rundll32.exe 84 PID 4236 wrote to memory of 4880 4236 rundll32.exe 85 PID 4236 wrote to memory of 4880 4236 rundll32.exe 85 PID 4236 wrote to memory of 4880 4236 rundll32.exe 85 PID 4880 wrote to memory of 4140 4880 5zHYL23 86 PID 4880 wrote to memory of 4140 4880 5zHYL23 86 PID 4880 wrote to memory of 4140 4880 5zHYL23 86 PID 4880 wrote to memory of 4140 4880 5zHYL23 86 PID 4880 wrote to memory of 4140 4880 5zHYL23 86 PID 4880 wrote to memory of 4140 4880 5zHYL23 86 PID 4880 wrote to memory of 4140 4880 5zHYL23 86 PID 4880 wrote to memory of 4140 4880 5zHYL23 86 PID 4880 wrote to memory of 4140 4880 5zHYL23 86 PID 4880 wrote to memory of 3236 4880 5zHYL23 95 PID 4880 wrote to memory of 3236 4880 5zHYL23 95 PID 4880 wrote to memory of 3236 4880 5zHYL23 95 PID 3236 wrote to memory of 1560 3236 iexplore.exe 96 PID 3236 wrote to memory of 1560 3236 iexplore.exe 96 PID 1560 wrote to memory of 184 1560 IEXPLORE.EXE 97 PID 1560 wrote to memory of 184 1560 IEXPLORE.EXE 97 PID 1560 wrote to memory of 184 1560 IEXPLORE.EXE 97 PID 4880 wrote to memory of 1912 4880 5zHYL23 100 PID 4880 wrote to memory of 1912 4880 5zHYL23 100 PID 4880 wrote to memory of 1912 4880 5zHYL23 100 PID 4880 wrote to memory of 1912 4880 5zHYL23 100 PID 4880 wrote to memory of 1912 4880 5zHYL23 100 PID 4880 wrote to memory of 1912 4880 5zHYL23 100 PID 4880 wrote to memory of 1912 4880 5zHYL23 100 PID 4880 wrote to memory of 1912 4880 5zHYL23 100 PID 4880 wrote to memory of 1912 4880 5zHYL23 100 PID 4880 wrote to memory of 2288 4880 5zHYL23 104 PID 4880 wrote to memory of 2288 4880 5zHYL23 104 PID 4880 wrote to memory of 2288 4880 5zHYL23 104 PID 2288 wrote to memory of 4716 2288 iexplore.exe 105 PID 2288 wrote to memory of 4716 2288 iexplore.exe 105 PID 1560 wrote to memory of 2232 1560 IEXPLORE.EXE 106 PID 1560 wrote to memory of 2232 1560 IEXPLORE.EXE 106 PID 1560 wrote to memory of 2232 1560 IEXPLORE.EXE 106 PID 4880 wrote to memory of 3000 4880 5zHYL23 108 PID 4880 wrote to memory of 3000 4880 5zHYL23 108 PID 4880 wrote to memory of 3000 4880 5zHYL23 108
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:4112 -
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:4236 -
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:4880 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵PID:4140
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 2045⤵
- Program crash
PID:3156
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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:3236 -
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:1560 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1560 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:184
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1560 CREDAT:17416 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2232
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵PID:1912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1912 -s 2085⤵
- Program crash
PID:4700
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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:2288 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"5⤵
- Modifies Internet Explorer settings
PID:4716
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C:\Users\Admin\AppData\Local\Temp\bkhgabrnkasifevi.exe"C:\Users\Admin\AppData\Local\Temp\bkhgabrnkasifevi.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4140 -ip 41401⤵PID:1428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1912 -ip 19121⤵PID:672
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
MD52a236f61e9c3bb8fe58e9a8b7ad76f3d
SHA15b0fcdc1fed917193be9a13893bace3c75c20b3f
SHA25676cd6a199e4cee5ac2068d11e794388ae8c23af2abf82fe52eb187bd2fa26fef
SHA512d039e9f8e02dc5e843a7db73654b35193507c07325ddbe7a15d882d53a326b19da11b74ad191ca4715b8625ac956980e493fc30589ee18f606d418818999a9d5
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
95KB
MD559a8da264fd7a5ae49c8ffa33eeb16ce
SHA1c11ca66a4cce9b7496f214041807da451c7eae2a
SHA256a96dcd4fe7b6cb854545e91ebc3612c5f88e9aae6adf62b00af31bb1ab304304
SHA512f05bd6fb82cb6776ef059d7205aecc893a606c742cf0a459830c9780ace0b4a6a938b59cc5b26c2e590b941d07cb8e7890db44fba4e66c5e7d090fe9c39133c7