Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
16/03/2024, 00:51
Behavioral task
behavioral1
Sample
ccafd918c370cdbcbc2e0f1a99b78a33.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ccafd918c370cdbcbc2e0f1a99b78a33.exe
Resource
win10v2004-20240226-en
General
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Target
ccafd918c370cdbcbc2e0f1a99b78a33.exe
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Size
26KB
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MD5
ccafd918c370cdbcbc2e0f1a99b78a33
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SHA1
1cb73536a84d4785a02a589db2a4637a942ba39c
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SHA256
3aa6b5a3ea0f2c60881c0e621e21467ca745cdfc64af52adc1e43d0bf260103a
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SHA512
28fb442f0d43c1c4892a2ace029b180f30eb26bfc0a9b073d9bc575b05ee08004dd820e6599125f3d3598358ff8c39d582d777f5dc2b5ddfb12c5d0797cf7a9f
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SSDEEP
192:ng8n2FeOPqqwHvo9AFXq8+PT4LfMObclZa:g8nYeeqqbua8+PT4L0BlI
Malware Config
Signatures
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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-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation ccafd918c370cdbcbc2e0f1a99b78a33.exe -
resource yara_rule behavioral2/memory/1284-0-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1284-1-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\asd123.exe ccafd918c370cdbcbc2e0f1a99b78a33.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31094588" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1148464820" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000055176c4ced34542856d0f29947515a5000000000200000000001066000000010000200000008c4e4a8b177d421e19d52f743c5b11233b7b11f06ca8c2a8907bcc2db844bd3b000000000e80000000020000200000008178a2687902ad3cbef29afc35c945b06fb3ea8253d964674d602fc49c90c2e820000000261a2429b59532e8fbca7ee1e37122a9c5facd1af7572b4c1517d045f79764e340000000f59d7692e0ba45561ee5431272cf86520989aefd51ba215b5740861b0a0d553bc09696d9868535de0b606f83c1e10678f6c0f01005e3da5d97a2bef7d1d5d679 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31094588" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1447058707" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31094588" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "417315312" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6FF2CC05-E32F-11EE-87B8-FEFF35FAEE38} = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\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 (data) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 20c271443c77da01 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1148464820" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1149714435" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1149714435" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31094588" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31094588" IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2428 IEXPLORE.EXE 2428 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2428 IEXPLORE.EXE 2428 IEXPLORE.EXE 2676 IEXPLORE.EXE 2676 IEXPLORE.EXE 2676 IEXPLORE.EXE 2676 IEXPLORE.EXE 2428 IEXPLORE.EXE 2428 IEXPLORE.EXE 668 IEXPLORE.EXE 668 IEXPLORE.EXE 668 IEXPLORE.EXE 668 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1284 wrote to memory of 984 1284 ccafd918c370cdbcbc2e0f1a99b78a33.exe 102 PID 1284 wrote to memory of 984 1284 ccafd918c370cdbcbc2e0f1a99b78a33.exe 102 PID 1284 wrote to memory of 984 1284 ccafd918c370cdbcbc2e0f1a99b78a33.exe 102 PID 984 wrote to memory of 2428 984 iexplore.exe 103 PID 984 wrote to memory of 2428 984 iexplore.exe 103 PID 2428 wrote to memory of 2676 2428 IEXPLORE.EXE 104 PID 2428 wrote to memory of 2676 2428 IEXPLORE.EXE 104 PID 2428 wrote to memory of 2676 2428 IEXPLORE.EXE 104 PID 1284 wrote to memory of 636 1284 ccafd918c370cdbcbc2e0f1a99b78a33.exe 107 PID 1284 wrote to memory of 636 1284 ccafd918c370cdbcbc2e0f1a99b78a33.exe 107 PID 1284 wrote to memory of 636 1284 ccafd918c370cdbcbc2e0f1a99b78a33.exe 107 PID 636 wrote to memory of 464 636 iexplore.exe 108 PID 636 wrote to memory of 464 636 iexplore.exe 108 PID 2428 wrote to memory of 668 2428 IEXPLORE.EXE 109 PID 2428 wrote to memory of 668 2428 IEXPLORE.EXE 109 PID 2428 wrote to memory of 668 2428 IEXPLORE.EXE 109
Processes
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C:\Users\Admin\AppData\Local\Temp\ccafd918c370cdbcbc2e0f1a99b78a33.exe"C:\Users\Admin\AppData\Local\Temp\ccafd918c370cdbcbc2e0f1a99b78a33.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1284 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\iexAEED.tmp.html2⤵
- Suspicious use of WriteProcessMemory
PID:984 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE" C:\Users\Admin\AppData\Local\Temp\iexAEED.tmp.html3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2428 CREDAT:17410 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2676
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2428 CREDAT:17418 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:668
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\iex2508.tmp.html2⤵
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE" C:\Users\Admin\AppData\Local\Temp\iex2508.tmp.html3⤵
- Modifies Internet Explorer settings
PID:464
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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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
348B
MD5c68c190f8880d49704f1a3926551835c
SHA16604321aec8eec96694de33b5de91849415377fa
SHA25672983df43c2795f6f9230cd88d4e44902d274851f67e659c608d7b96a4662246
SHA512a9e7912df37659e7d635d3b8af801fedc3447f5a8dd8d376bbbc332734722ad20b28ab38714ca7c69de2135db7f319e74a87818c3cfc5bbb906104913fd7eed6
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Filesize
205B
MD5ff2e04231d940c109e7699be4c277885
SHA1883d21fd6cfd698fbd33048299b192062e2803e1
SHA256e94a85f5818f0397e2c787a7805115670d295e282ccf3ae4f3481b84651845c7
SHA5128eff141e3e306cc45f9b3949ff0ab56f2a667921f96d5fa8337a259df5ca662ffd4bca07dacdb1f23e43bf26c478b7725d4f833bc92e0ffd4e579df2fb4b67d1