Analysis
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max time kernel
91s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-01-2025 02:56
Static task
static1
Behavioral task
behavioral1
Sample
cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe
Resource
win7-20240903-en
General
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Target
cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe
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Size
95KB
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MD5
b481e709f45d3e9dbb44338c5fcb8b33
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SHA1
addbce0b429a93b7c78b335bd527dbc31bbb7036
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SHA256
cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f
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SHA512
ea3c9811ed7af7278f6bccacf1c45edc9e86781c9e43b5b7e51231c97bbf442ea9a26e7661148e1331a93b0d68e208a91f603b914f8d351ff35304d3f12e61d3
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SSDEEP
1536:e3Ynb+B0cU3rkgqre/s9/Vbr27lbOgm3MhSn/s8Xo48FNSF5E8k8jwaaHw7Koj4g:EYnb+BR6X0/VbcbIMhe/nXo/eFFk8jwC
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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe -
Executes dropped EXE 1 IoCs
pid Process 2008 mesvtrxtuyrkxkbh.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 3580 2412 WerFault.exe 82 392 368 WerFault.exe 96 -
System Location Discovery: System Language Discovery 1 TTPs 6 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 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 mesvtrxtuyrkxkbh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe -
description ioc Process 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\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 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 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\VersionManager\LastCheckForUpdateLowDateTime = "1120134328" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ 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 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\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" 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 = "921228009" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157168" 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 (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444193195" 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\Main\CompatibilityFlags = "0" 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 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\LastCheckForUpdateHighDateTime = "31157168" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "924509260" 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\Recovery\AdminActive IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6281A9E6-D7A3-11EF-9361-468C69F2ED48} = "0" 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\LastCheckForUpdateHighDateTime = "31157168" IEXPLORE.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 652 Process not Found -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe Token: SeDebugPrivilege 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe Token: SeSecurityPrivilege 2008 mesvtrxtuyrkxkbh.exe Token: SeLoadDriverPrivilege 2008 mesvtrxtuyrkxkbh.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1328 IEXPLORE.EXE 1328 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1328 IEXPLORE.EXE 1328 IEXPLORE.EXE 2136 IEXPLORE.EXE 2136 IEXPLORE.EXE 2136 IEXPLORE.EXE 2136 IEXPLORE.EXE 1328 IEXPLORE.EXE 1328 IEXPLORE.EXE 1044 IEXPLORE.EXE 1044 IEXPLORE.EXE 1044 IEXPLORE.EXE 1044 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 1496 wrote to memory of 2412 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 82 PID 1496 wrote to memory of 2412 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 82 PID 1496 wrote to memory of 2412 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 82 PID 1496 wrote to memory of 2412 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 82 PID 1496 wrote to memory of 2412 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 82 PID 1496 wrote to memory of 2412 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 82 PID 1496 wrote to memory of 2412 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 82 PID 1496 wrote to memory of 2412 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 82 PID 1496 wrote to memory of 2412 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 82 PID 1496 wrote to memory of 936 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 88 PID 1496 wrote to memory of 936 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 88 PID 1496 wrote to memory of 936 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 88 PID 936 wrote to memory of 1328 936 iexplore.exe 89 PID 936 wrote to memory of 1328 936 iexplore.exe 89 PID 1328 wrote to memory of 2136 1328 IEXPLORE.EXE 90 PID 1328 wrote to memory of 2136 1328 IEXPLORE.EXE 90 PID 1328 wrote to memory of 2136 1328 IEXPLORE.EXE 90 PID 1496 wrote to memory of 368 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 96 PID 1496 wrote to memory of 368 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 96 PID 1496 wrote to memory of 368 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 96 PID 1496 wrote to memory of 368 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 96 PID 1496 wrote to memory of 368 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 96 PID 1496 wrote to memory of 368 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 96 PID 1496 wrote to memory of 368 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 96 PID 1496 wrote to memory of 368 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 96 PID 1496 wrote to memory of 368 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 96 PID 1496 wrote to memory of 3676 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 100 PID 1496 wrote to memory of 3676 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 100 PID 1496 wrote to memory of 3676 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 100 PID 3676 wrote to memory of 1080 3676 iexplore.exe 101 PID 3676 wrote to memory of 1080 3676 iexplore.exe 101 PID 1328 wrote to memory of 1044 1328 IEXPLORE.EXE 102 PID 1328 wrote to memory of 1044 1328 IEXPLORE.EXE 102 PID 1328 wrote to memory of 1044 1328 IEXPLORE.EXE 102 PID 1496 wrote to memory of 2008 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 104 PID 1496 wrote to memory of 2008 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 104 PID 1496 wrote to memory of 2008 1496 cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe"C:\Users\Admin\AppData\Local\Temp\cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵PID:2412
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 2043⤵
- Program crash
PID:3580
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:936 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1328 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2136
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1328 CREDAT:17416 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1044
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵PID:368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 368 -s 2123⤵
- Program crash
PID:392
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3676 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"3⤵
- Modifies Internet Explorer settings
PID:1080
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C:\Users\Admin\AppData\Local\Temp\mesvtrxtuyrkxkbh.exe"C:\Users\Admin\AppData\Local\Temp\mesvtrxtuyrkxkbh.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2412 -ip 24121⤵PID:740
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 368 -ip 3681⤵PID:568
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
MD50ada2095c461df5a751955aa41dd491e
SHA18366c54b31e1ddc8016aa22aab8c83f73c690810
SHA25680cd542688ed3a45669b53243c3f4922d6eb21a34d8dfeebc6c101484d3bac09
SHA512135991affe343d4358bb15a693effa7a6813d6715e555729d2aa04a98555e13fded55d3100a41a92a5beb57c68fbdacb199a3e66407944e37880b28d42d79e7c
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5b5ba81567c28c8f1b17823a469bb7dc0
SHA15471fbd94f21a8bd866bf86fb6aa18b8dac9d529
SHA256bea4f06daa356fcf2795f155b0d9d3a2a678dd90a0538687eb5afc8f170f6f53
SHA5121632c60832ed3bb1b8d7c43a8a6fdfcfaf436d89d0699b2f5598fb000974bebea4ce2cc52747254864b37d391201eadb18b02862c0c6ffb806fed854345e0389
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
95KB
MD5b481e709f45d3e9dbb44338c5fcb8b33
SHA1addbce0b429a93b7c78b335bd527dbc31bbb7036
SHA256cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f
SHA512ea3c9811ed7af7278f6bccacf1c45edc9e86781c9e43b5b7e51231c97bbf442ea9a26e7661148e1331a93b0d68e208a91f603b914f8d351ff35304d3f12e61d3