Analysis
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max time kernel
141s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02/08/2024, 20:46
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe
Resource
win7-20240729-en
windows7-x64
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
3 signatures
150 seconds
General
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Target
3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe
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Size
1.6MB
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MD5
4359dab85bd2da12916c5380316cfdb2
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SHA1
fcc56878c8521a8e4281777352ab6d81e0ee8d76
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SHA256
3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7
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SHA512
a37011702fdd45c50268aad450acc9dce0080314fbca979a464bc9bb16878cb8997c06ca1345c00d8c0dad47bda1221d4d8f50d21228f98f663a254935077ba0
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SSDEEP
24576:V1btkOwrVWKr33VvLV08pxkD5Or8ApOP3rWVmGPPn3o03lQGLdKW72rxGg3feJ:Vfkbr1Vv6ckD5M3O/aEOY01bL7oGCeJ
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "Explorer.exe sIRC4.exe" 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe -
Drops file in System32 directory 64 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\DC++ Share\iediagcmd.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\chrome_proxy.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\initial_prefere.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\RCXAA4A.tmp 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\chrmstp.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\ExtExport.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\xdccPrograms\MavInject32.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\OfficeC2RClient.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\jarsigner.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\setup.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\RCXD7A9.tmp 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\RCXCC89.tmp 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\dotnet.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\RCXCF0B.tmp 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\OfficeClickToRun.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\chrmstp.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\chrome.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\xdccPrograms\7z.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\dotnet.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\createdump.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\elevation_service.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\jar.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\sIRC4.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\7zG.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\RCXAA6A.tmp 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\VSTOInstaller.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\chrome.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\appletviewer.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\javadoc.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\jabswitch.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\sIRC4.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\mip.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\setup.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\MavInject32.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\OSE.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\jar.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\java-rmi.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\notification_helper.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\ieinstal.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\ieinstal.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\ielowutil.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\TabTip.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\chrome_proxy.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\iediagcmd.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\xdccPrograms\7zG.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\RCXD7C9.tmp 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\javac.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\RCXD80A.tmp 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\notification_helper.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\mip.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\RCXD526.tmp 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\ShapeCollector.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\idlj.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\VSTOInstaller.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\extcheck.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\xdccPrograms\7zFM.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File opened for modification C:\Windows\SysWOW64\DC++ Share\jabswitch.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe File created C:\Windows\SysWOW64\DC++ Share\java.exe 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe"C:\Users\Admin\AppData\Local\Temp\3da2d108ee95692d1a723ba957b6b60b2eee75c0ca1b1ccb9cedc4f7f30172d7.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:3800
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
85KB
MD5b3c84fc58ccf14d3bb95d48f21db2552
SHA1dc79324aa702cc0c265ebd4cd89a923e2735a676
SHA25634cae3fbec2dd06ad80c1ffbe54e2657475d1078bca4a08dbfcc0e8d9e386462
SHA5124a4261809bec5cd613274f815b16cc79f939b2df4193b3a260a3cd82f6e5cd95ba0245b44febdcb7bb98af163fe2d2442d784e6a3e1421ab084d06723977cceb
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Filesize
1.6MB
MD5dd0daa2f746b6e89305fdfc092738de4
SHA132f8d336348c3e74930877427a1689ad355cf241
SHA25679153357ed828bc8abcdbb3153e05fc37c9bb0e4764e930149d1de626cad6d47
SHA512968779cdc5d5b3f6b6cdac257a58a4a4acf546eeaac0f18c23dc4c27f3dd31d58554f510b37a1412982de4cc904cbc431abe032d0adc9d01b3287c4eeeded48e