Analysis
-
max time kernel
143s -
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
05/03/2024, 00:28
Behavioral task
behavioral1
Sample
b3539ef19c283d0c8fc86e19ee189789.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
b3539ef19c283d0c8fc86e19ee189789.exe
Resource
win10v2004-20240226-en
General
-
Target
b3539ef19c283d0c8fc86e19ee189789.exe
-
Size
75KB
-
MD5
b3539ef19c283d0c8fc86e19ee189789
-
SHA1
e8b4cd1651d0a598d8438d8c418fa495b2fe9dfc
-
SHA256
6c42936a3622c445249955ded10f6ecf2a9bcbfadd9aa825d58f842b4871e453
-
SHA512
d6281650bb03cabf057ad0927d2af6b612fe77f2e7c1e192847e9c922c63069548d38001d212c2739641a7fe9449b9e7f755cd8949416a66f7c295e3bd635338
-
SSDEEP
1536:D6fAkH51RDm+4ljVokwZR3t8pk4X9wucneMcyi8uUNXEk:651RDm+45VonZhkHwucnyEV
Malware Config
Signatures
-
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\ee81b9d2fb.dll b3539ef19c283d0c8fc86e19ee189789.exe -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31092372" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "416363524" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{5DC9FF6F-DA87-11EE-B9F7-5EE34177FBBF} = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "852394602" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "852394602" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31092372" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31092372" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "945363523" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 892 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 892 IEXPLORE.EXE 892 IEXPLORE.EXE 5088 IEXPLORE.EXE 5088 IEXPLORE.EXE 5088 IEXPLORE.EXE 5088 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1256 wrote to memory of 892 1256 b3539ef19c283d0c8fc86e19ee189789.exe 108 PID 1256 wrote to memory of 892 1256 b3539ef19c283d0c8fc86e19ee189789.exe 108 PID 1256 wrote to memory of 892 1256 b3539ef19c283d0c8fc86e19ee189789.exe 108 PID 1256 wrote to memory of 3624 1256 b3539ef19c283d0c8fc86e19ee189789.exe 109 PID 1256 wrote to memory of 3624 1256 b3539ef19c283d0c8fc86e19ee189789.exe 109 PID 1256 wrote to memory of 3624 1256 b3539ef19c283d0c8fc86e19ee189789.exe 109 PID 892 wrote to memory of 5088 892 IEXPLORE.EXE 111 PID 892 wrote to memory of 5088 892 IEXPLORE.EXE 111 PID 892 wrote to memory of 5088 892 IEXPLORE.EXE 111
Processes
-
C:\Users\Admin\AppData\Local\Temp\b3539ef19c283d0c8fc86e19ee189789.exe"C:\Users\Admin\AppData\Local\Temp\b3539ef19c283d0c8fc86e19ee189789.exe"1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:892 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:892 CREDAT:17410 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:5088
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$30689.bat2⤵PID:3624
-
-
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 --mojo-platform-channel-handle=3592 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:81⤵PID:2816
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
-
Filesize
181B
MD59ff639d0580cfc3c5aab34867d3d35dd
SHA1ea150cf0608bab1651d0b226a5e4a1d7b90d8b42
SHA2561491bbb1c506651714a246b9f51aeea213d336f7da33cafb507d715f9d91c90f
SHA512fe077c16c84c60f23452cbf57232e086126d1bb281a73a93fa6617f1344827d32f20ac048a533d2a7fbfe76f6e46e9660aaf9e272bc735bd9e359537417142d5