Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-11-2024 00:11
Behavioral task
behavioral1
Sample
7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe
Resource
win10v2004-20241007-en
General
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Target
7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe
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Size
90KB
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MD5
d651943871c2ec32da9b09b4c0155b01
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SHA1
2538da09e23f69b5a25660c12a5c4230c82b4b86
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SHA256
7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e
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SHA512
c8c6e86f6cae26deac03296eca17af85e439478f3addae44c56a23c831e1a56c587ab36ae01e80a9735e128abadb089ba2bed7c62396aca2791d270feee81bf9
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Modiloader family
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ModiLoader Second Stage 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1208-258-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1208-264-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid Process 1964 csrsll.exe 1304 csrsll.exe 1208 csrsll.exe -
Loads dropped DLL 5 IoCs
Processes:
7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exepid Process 2688 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 2688 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 2688 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 2688 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 2688 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.execsrsll.exedescription pid Process procid_target PID 3052 set thread context of 2688 3052 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 30 PID 1964 set thread context of 1304 1964 csrsll.exe 36 PID 1964 set thread context of 1208 1964 csrsll.exe 37 -
Processes:
resource yara_rule behavioral1/memory/3052-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3052-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2688-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2688-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3052-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3052-101-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2688-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2688-93-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3052-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3052-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2688-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2688-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2688-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0008000000012116-133.dat upx behavioral1/memory/2688-135-0x00000000026D0000-0x0000000002723000-memory.dmp upx behavioral1/memory/2688-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1964-227-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1964-259-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1208-258-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1304-257-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2688-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1304-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1208-264-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.execmd.exereg.execsrsll.execsrsll.execsrsll.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
csrsll.exedescription pid Process Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe Token: SeDebugPrivilege 1304 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.execsrsll.execsrsll.exepid Process 3052 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 2688 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 1964 csrsll.exe 1304 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.execmd.execsrsll.exedescription pid Process procid_target PID 3052 wrote to memory of 2688 3052 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 30 PID 3052 wrote to memory of 2688 3052 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 30 PID 3052 wrote to memory of 2688 3052 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 30 PID 3052 wrote to memory of 2688 3052 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 30 PID 3052 wrote to memory of 2688 3052 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 30 PID 3052 wrote to memory of 2688 3052 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 30 PID 3052 wrote to memory of 2688 3052 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 30 PID 3052 wrote to memory of 2688 3052 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 30 PID 2688 wrote to memory of 1264 2688 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 31 PID 2688 wrote to memory of 1264 2688 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 31 PID 2688 wrote to memory of 1264 2688 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 31 PID 2688 wrote to memory of 1264 2688 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 31 PID 1264 wrote to memory of 800 1264 cmd.exe 33 PID 1264 wrote to memory of 800 1264 cmd.exe 33 PID 1264 wrote to memory of 800 1264 cmd.exe 33 PID 1264 wrote to memory of 800 1264 cmd.exe 33 PID 2688 wrote to memory of 1964 2688 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 34 PID 2688 wrote to memory of 1964 2688 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 34 PID 2688 wrote to memory of 1964 2688 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 34 PID 2688 wrote to memory of 1964 2688 7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe 34 PID 1964 wrote to memory of 1304 1964 csrsll.exe 36 PID 1964 wrote to memory of 1304 1964 csrsll.exe 36 PID 1964 wrote to memory of 1304 1964 csrsll.exe 36 PID 1964 wrote to memory of 1304 1964 csrsll.exe 36 PID 1964 wrote to memory of 1304 1964 csrsll.exe 36 PID 1964 wrote to memory of 1304 1964 csrsll.exe 36 PID 1964 wrote to memory of 1304 1964 csrsll.exe 36 PID 1964 wrote to memory of 1304 1964 csrsll.exe 36 PID 1964 wrote to memory of 1208 1964 csrsll.exe 37 PID 1964 wrote to memory of 1208 1964 csrsll.exe 37 PID 1964 wrote to memory of 1208 1964 csrsll.exe 37 PID 1964 wrote to memory of 1208 1964 csrsll.exe 37 PID 1964 wrote to memory of 1208 1964 csrsll.exe 37 PID 1964 wrote to memory of 1208 1964 csrsll.exe 37 PID 1964 wrote to memory of 1208 1964 csrsll.exe 37 PID 1964 wrote to memory of 1208 1964 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe"C:\Users\Admin\AppData\Local\Temp\7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Users\Admin\AppData\Local\Temp\7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe"C:\Users\Admin\AppData\Local\Temp\7b8dd9779857dc1f8ef6313680bb83d617ae408d35e10738b1f657d8ac23179e.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\PCEYA.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1264 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f4⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:800
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1304
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1208
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
145B
MD54eb61ec7816c34ec8c125acadc57ec1b
SHA1b0015cc865c0bb1a027be663027d3829401a31cc
SHA25608375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
SHA512f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
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Filesize
90KB
MD5e179f6024216c698c2a4fc8bac7589b8
SHA1d0676409149cf92216ea37dcb58b275d6de9898d
SHA2564f9ca17b340536f255f1996a7548f26e52fa518bd3fdcc8478479dd011cba6b2
SHA51281803292ec9374fc2ee812f1c00cc3538c672c536abc278904ece9799d95196cccd50ba7de1e16399f923dc171c5e6e37a0ee7c6b4443c208d00627c65f9be28