Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-01-2025 08:33
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0.exe
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Size
440KB
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MD5
6b66019e53b2bc643abba8a12cd63bb0
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SHA1
deb50e112ec55f3ec3aef238c05bca7693c7c90d
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SHA256
272bfd708709a6dc01466214915752964109a71fd8018cee13f61c4f7bc33432
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SHA512
b18742dbb41b4feba06a8d9ef39e642927578ddb686a7c5b3809ed6e44bc927dcbda9b9be3025911de05b256a709bddfd67570a7d448089d4d52b6229e45353c
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SSDEEP
6144:WAv3ue+w+UqN0eqEWs0WgCjGWGI2xoJb0BL3n5+YWLC70np9Ai6vuexGH:TvJ+1meqfsxJjGWNJgBL3nRupepRG
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 1920 JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0Srv.exe 468 DesktopLayer.exe -
resource yara_rule behavioral2/files/0x000a000000023c76-3.dat upx behavioral2/memory/1920-6-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/468-12-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/1920-5-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/468-15-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px8ACB.tmp JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0Srv.exe -
System Location Discovery: System Language Discovery 1 TTPs 4 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 JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0Srv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DesktopLayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153594" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "923466382" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153594" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "935498071" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153594" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153594" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{618CDDA6-C9AD-11EF-B9B6-520873AEBE93} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "923466382" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "935498071" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442658172" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 468 DesktopLayer.exe 468 DesktopLayer.exe 468 DesktopLayer.exe 468 DesktopLayer.exe 468 DesktopLayer.exe 468 DesktopLayer.exe 468 DesktopLayer.exe 468 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1976 iexplore.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 4996 JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0.exe 1976 iexplore.exe 1976 iexplore.exe 4528 IEXPLORE.EXE 4528 IEXPLORE.EXE 4528 IEXPLORE.EXE 4528 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4996 wrote to memory of 1920 4996 JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0.exe 84 PID 4996 wrote to memory of 1920 4996 JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0.exe 84 PID 4996 wrote to memory of 1920 4996 JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0.exe 84 PID 1920 wrote to memory of 468 1920 JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0Srv.exe 85 PID 1920 wrote to memory of 468 1920 JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0Srv.exe 85 PID 1920 wrote to memory of 468 1920 JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0Srv.exe 85 PID 468 wrote to memory of 1976 468 DesktopLayer.exe 86 PID 468 wrote to memory of 1976 468 DesktopLayer.exe 86 PID 1976 wrote to memory of 4528 1976 iexplore.exe 87 PID 1976 wrote to memory of 4528 1976 iexplore.exe 87 PID 1976 wrote to memory of 4528 1976 iexplore.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4996 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0Srv.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b66019e53b2bc643abba8a12cd63bb0Srv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:468 -
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:1976 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1976 CREDAT:17410 /prefetch:25⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4528
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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
MD5d3ef026dd88e6e5106ac84f80286c124
SHA175062b0190d63b6ee191c2d3fd7deed40520a363
SHA2562ecb929a03fb648afd921206e9f84eebfe98b3b343061e6d2e5bbf3a1d02619c
SHA512809dafd4a0fb9c3c22d3fff05ebb4c025b35a69b514ddb082565a14b3543581f1c430532b6dec2dd4da97a4c9b9818b57d91dcc6f91a3a5425f5a65a078cf64e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD50215c175029c01f409a2e2b6711ab06d
SHA11214114ead341aaa2b60e93d0f3a43aaca779584
SHA2566e315fe709c4c3eac7945bced5c87d664f527887103b3e530eff0a3e0d6c2a96
SHA512240ee00df8aca8d8b4f70f262b94f784db324b5262a10c4303a45bc75d25f856b5734b413ae9f028a87c08c67eff91fa6aade83108ef5285a02f944e6e42d0a7
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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