Analysis
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max time kernel
93s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12-12-2024 05:23
Static task
static1
Behavioral task
behavioral1
Sample
e4e2281bc43be409e5eb2f8b7c6c05b8_JaffaCakes118.dll
Resource
win7-20240903-en
General
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Target
e4e2281bc43be409e5eb2f8b7c6c05b8_JaffaCakes118.dll
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Size
136KB
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MD5
e4e2281bc43be409e5eb2f8b7c6c05b8
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SHA1
e22842788f85bbe5857ff37bb2bc99f6a88954b3
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SHA256
095025e32c9d557f566214fcd9d119119f4938af8457876ad46fde4e7b234072
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SHA512
3fd71a8be3d67a0854f9ad5f2acf3920e62441c38740bd42d18b10806888b7bf43d7dc150dee137040e46e56bd462087d94d2b52823dedb32c1dfdb80d1b573d
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SSDEEP
3072:gNEqkap78EN6FQqZ6hvKi8uw0X01h3son/fqsH8:KEqkE4U4QqghvKkwya3zP8
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 2892 rundll32mgr.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
resource yara_rule behavioral2/memory/2892-9-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/2892-12-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/2892-14-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/2892-16-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/2892-15-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/2892-13-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/2892-10-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/2892-8-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/2892-7-0x0000000000400000-0x000000000041A000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 3 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 rundll32mgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" 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\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3888488212" 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 (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" 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\LastTTLHighDateTime = "50" 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 (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1312292C-B896-11EF-B319-DA61A5E71E4E} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3884425674" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3884425674" 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\DomainSuggestion\NextUpdateDate = "440778992" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery 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\VersionManager\LastUpdateHighDateTime = "31149218" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149218" 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\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\DomainSuggestion\FileNames\ 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\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch 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\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149218" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2892 rundll32mgr.exe 2892 rundll32mgr.exe 2892 rundll32mgr.exe 2892 rundll32mgr.exe 2892 rundll32mgr.exe 2892 rundll32mgr.exe 2892 rundll32mgr.exe 2892 rundll32mgr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2892 rundll32mgr.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2872 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2872 iexplore.exe 2872 iexplore.exe 4900 IEXPLORE.EXE 4900 IEXPLORE.EXE 4900 IEXPLORE.EXE 4900 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 2892 rundll32mgr.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2372 wrote to memory of 376 2372 rundll32.exe 83 PID 2372 wrote to memory of 376 2372 rundll32.exe 83 PID 2372 wrote to memory of 376 2372 rundll32.exe 83 PID 376 wrote to memory of 2892 376 rundll32.exe 84 PID 376 wrote to memory of 2892 376 rundll32.exe 84 PID 376 wrote to memory of 2892 376 rundll32.exe 84 PID 2892 wrote to memory of 2872 2892 rundll32mgr.exe 85 PID 2892 wrote to memory of 2872 2892 rundll32mgr.exe 85 PID 2872 wrote to memory of 4900 2872 iexplore.exe 86 PID 2872 wrote to memory of 4900 2872 iexplore.exe 86 PID 2872 wrote to memory of 4900 2872 iexplore.exe 86
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e4e2281bc43be409e5eb2f8b7c6c05b8_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e4e2281bc43be409e5eb2f8b7c6c05b8_JaffaCakes118.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:376 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2892 -
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:2872 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2872 CREDAT:17410 /prefetch:25⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4900
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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
MD5030d28178ec890f0d933359dad23da1e
SHA15fa5195ca05aea5caaf471afbcc2fd039876f3c4
SHA2561e40a11d7943a7924cacca9632fa6dd8bd24fb1072cb61e64f9033ebce74806b
SHA5120a4d2a2dc387cda5c4a2545d416aa40eaccc7f0176861c2862c0a792970282189548309263d0937913a9e8be8105074a8d7129b87e277db68a0efbc57f3030e6
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5dafc18b4374a5fe037c4f828e924f2f4
SHA179b1f6a4e3f264a2258cc639e966b6aab2221268
SHA256861682c682718c473bd53779656bcd382bdb352ea01a107091ffc0b3f4f13196
SHA51264838b77791f5ee1c42f3f375a2122df81256fe3603ada6cc0c221e75d5c33d8f1e0425991c79850508f3fa9f0d92ff55edc78e1e8624c8b4cc8290c2f2183d8
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
88KB
MD5a61ea5f2325332c52bff5bce3d161336
SHA13a883b8241f5f2efaa76367240db800d78a0209c
SHA256e6f8a54ed663061527ab46b8e8efc2a0f3c99ae77829c0be0e50eb5b1b48415b
SHA512fae031e0e7dcd719240bfe94a3f78d1aac73060324d5b65e0cbe564ce6d6781aaa5e930f0729293e3b502b7d07f53f3a72fb2048d44d93d36851aab8330479e5