Analysis
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max time kernel
132s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
31-05-2024 04:22
Static task
static1
Behavioral task
behavioral1
Sample
76e8232052319e0e71c7a5eb1a3131d0_NeikiAnalytics.dll
Resource
win7-20240221-en
General
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Target
76e8232052319e0e71c7a5eb1a3131d0_NeikiAnalytics.dll
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Size
101KB
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MD5
76e8232052319e0e71c7a5eb1a3131d0
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SHA1
75ff32747108e372029514b3ab47750c10a431e2
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SHA256
fd1163d790ca745dd7c735282097581a7d76514f4c97925ad99dec624f1076f1
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SHA512
6d4f8447b2295584cbf068218414e5c2ffa91e3edbd63ac99a5baa2cb00dd3f70e4a4486d9bf365a196d9ba2abd94788248c0ccee2bc6fc53558f4221c1aa2ae
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SSDEEP
3072:2Mr6N9WfdNAbxBMx49a+Yii3FnkvY11o4:2MqWfdNAN19a+YB7X/
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
rundll32mgr.exeWaterMark.exepid process 1284 rundll32mgr.exe 3212 WaterMark.exe -
Processes:
resource yara_rule behavioral2/memory/1284-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3212-17-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3212-15-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3212-25-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3212-26-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Drops file in Program Files directory 3 IoCs
Processes:
rundll32mgr.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\pxE995.tmp rundll32mgr.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe rundll32mgr.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe rundll32mgr.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1204 3164 WerFault.exe svchost.exe -
Processes:
iexplore.exeiexplore.exeIEXPLORE.EXEIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "764460921" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31109906" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{593F0C37-1F05-11EF-B8C0-4A7C5F4B2F01} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{593CA98A-1F05-11EF-B8C0-4A7C5F4B2F01} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "764460921" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31109906" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31109906" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "423894305" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "767586002" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "767586002" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31109906" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
WaterMark.exepid process 3212 WaterMark.exe 3212 WaterMark.exe 3212 WaterMark.exe 3212 WaterMark.exe 3212 WaterMark.exe 3212 WaterMark.exe 3212 WaterMark.exe 3212 WaterMark.exe 3212 WaterMark.exe 3212 WaterMark.exe 3212 WaterMark.exe 3212 WaterMark.exe 3212 WaterMark.exe 3212 WaterMark.exe 3212 WaterMark.exe 3212 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
rundll32.exeWaterMark.exedescription pid process Token: SeDebugPrivilege 1872 rundll32.exe Token: SeDebugPrivilege 3212 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
iexplore.exeiexplore.exepid process 2948 iexplore.exe 1076 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
iexplore.exeiexplore.exeIEXPLORE.EXEIEXPLORE.EXEpid process 1076 iexplore.exe 2948 iexplore.exe 1076 iexplore.exe 2948 iexplore.exe 1600 IEXPLORE.EXE 1600 IEXPLORE.EXE 3768 IEXPLORE.EXE 3768 IEXPLORE.EXE 1600 IEXPLORE.EXE 1600 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
rundll32.exerundll32.exerundll32mgr.exeWaterMark.exeiexplore.exeiexplore.exedescription pid process target process PID 4388 wrote to memory of 1872 4388 rundll32.exe rundll32.exe PID 4388 wrote to memory of 1872 4388 rundll32.exe rundll32.exe PID 4388 wrote to memory of 1872 4388 rundll32.exe rundll32.exe PID 1872 wrote to memory of 1284 1872 rundll32.exe rundll32mgr.exe PID 1872 wrote to memory of 1284 1872 rundll32.exe rundll32mgr.exe PID 1872 wrote to memory of 1284 1872 rundll32.exe rundll32mgr.exe PID 1284 wrote to memory of 3212 1284 rundll32mgr.exe WaterMark.exe PID 1284 wrote to memory of 3212 1284 rundll32mgr.exe WaterMark.exe PID 1284 wrote to memory of 3212 1284 rundll32mgr.exe WaterMark.exe PID 3212 wrote to memory of 3164 3212 WaterMark.exe svchost.exe PID 3212 wrote to memory of 3164 3212 WaterMark.exe svchost.exe PID 3212 wrote to memory of 3164 3212 WaterMark.exe svchost.exe PID 3212 wrote to memory of 3164 3212 WaterMark.exe svchost.exe PID 3212 wrote to memory of 3164 3212 WaterMark.exe svchost.exe PID 3212 wrote to memory of 3164 3212 WaterMark.exe svchost.exe PID 3212 wrote to memory of 3164 3212 WaterMark.exe svchost.exe PID 3212 wrote to memory of 3164 3212 WaterMark.exe svchost.exe PID 3212 wrote to memory of 3164 3212 WaterMark.exe svchost.exe PID 3212 wrote to memory of 1076 3212 WaterMark.exe iexplore.exe PID 3212 wrote to memory of 1076 3212 WaterMark.exe iexplore.exe PID 3212 wrote to memory of 2948 3212 WaterMark.exe iexplore.exe PID 3212 wrote to memory of 2948 3212 WaterMark.exe iexplore.exe PID 2948 wrote to memory of 1600 2948 iexplore.exe IEXPLORE.EXE PID 2948 wrote to memory of 1600 2948 iexplore.exe IEXPLORE.EXE PID 2948 wrote to memory of 1600 2948 iexplore.exe IEXPLORE.EXE PID 1076 wrote to memory of 3768 1076 iexplore.exe IEXPLORE.EXE PID 1076 wrote to memory of 3768 1076 iexplore.exe IEXPLORE.EXE PID 1076 wrote to memory of 3768 1076 iexplore.exe IEXPLORE.EXE
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\76e8232052319e0e71c7a5eb1a3131d0_NeikiAnalytics.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4388 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\76e8232052319e0e71c7a5eb1a3131d0_NeikiAnalytics.dll,#12⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1872 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1284 -
C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3212 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:3164
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 2046⤵
- Program crash
PID:1204
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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:1076 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1076 CREDAT:17410 /prefetch:26⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3768
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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:2948 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2948 CREDAT:17410 /prefetch:26⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1600
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3164 -ip 31641⤵PID:3776
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4244,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=3900 /prefetch:81⤵PID:4632
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{593CA98A-1F05-11EF-B8C0-4A7C5F4B2F01}.dat
Filesize5KB
MD56f19f61a07e74ead542115a265b87b54
SHA1b431b640f74844b56df4ffd10ba9b45f57fca9bc
SHA256f4a3feeee6ccf77a6aaac4e8cd543a655ed6e4dec08fbf258d14a202eac04f77
SHA5124674982bb37401ade5258d1aedf33e4ce964af6d2704eb33b4d7498a77cbce56b3d20465e27c9b3ee3f0d222f0b4feac4e318b1aadc9041641cafd2042e4a7d8
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{593F0C37-1F05-11EF-B8C0-4A7C5F4B2F01}.dat
Filesize5KB
MD540a42d071c3f43540d1fd6bd5dfc47aa
SHA19e189979a10cdd29bccc8d8f9e4fe0d0a2c03e23
SHA256d4bb1242367e6fb87fb4820e6d70b1f790805743d249cabdaf1d78b8aa725d0f
SHA5120f6b6c3b46f3da8b818c8073cfef865349f2111f2d64e5f3ccfbefc2e791a0b838dce581c94a941ad5a792890faad1237199f1e64ef8171f6d8730884531addb
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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
65KB
MD5849ef19ec0155d79d4fa5bfb5657b106
SHA1eb7e7ff208ecb40d35755d8f36e31e2482166299
SHA2568b853e963eab5aa857b640be1d07d605a8bf6dd8bdf8884505b05034bbd87e04
SHA51230384d9943f7eca4efbdcac52d3dd9c14446a2d75dc04ce4047feabe037c5177138f6bdcb055939dcc47608dfb50a54c9676f795d850c9a9de353f90252053a2