Analysis
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max time kernel
148s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
01-11-2024 05:49
Behavioral task
behavioral1
Sample
51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe
Resource
win10v2004-20241007-en
General
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Target
51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe
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Size
90KB
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MD5
93ed93291c1ed7813b348312f509c532
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SHA1
50cca3e773fac3de517c766dfe9c4d573db2dd77
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SHA256
51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b
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SHA512
0ecfc9e12a081b658b3c53407e8cbbc33d9baade7638305dd01906f48b9e3478b4eddad349efa6a7228757c03961c845a7bf11d5b22ae8b01117d6448a21904e
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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 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2504-266-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid Process 816 csrsll.exe 2028 csrsll.exe 2504 csrsll.exe -
Loads dropped DLL 5 IoCs
Processes:
51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exepid Process 1764 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 1764 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 1764 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 1764 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 1764 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.execsrsll.exedescription pid Process procid_target PID 2216 set thread context of 1764 2216 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 30 PID 816 set thread context of 2028 816 csrsll.exe 35 PID 816 set thread context of 2504 816 csrsll.exe 36 -
Processes:
resource yara_rule behavioral1/memory/2216-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2216-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1764-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1764-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2216-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1764-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1764-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2216-87-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2216-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2216-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2216-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1764-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1764-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1764-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x00090000000120fd-133.dat upx behavioral1/memory/1764-147-0x00000000026C0000-0x0000000002713000-memory.dmp upx behavioral1/memory/816-153-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1764-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/816-217-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1764-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2504-260-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/816-255-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2028-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2504-266-0x0000000000400000-0x0000000000414000-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:
51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.execmd.exereg.execsrsll.execsrsll.execsrsll.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.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 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe Token: SeDebugPrivilege 2028 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.execsrsll.execsrsll.exepid Process 2216 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 1764 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 816 csrsll.exe 2028 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.execmd.execsrsll.exedescription pid Process procid_target PID 2216 wrote to memory of 1764 2216 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 30 PID 2216 wrote to memory of 1764 2216 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 30 PID 2216 wrote to memory of 1764 2216 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 30 PID 2216 wrote to memory of 1764 2216 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 30 PID 2216 wrote to memory of 1764 2216 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 30 PID 2216 wrote to memory of 1764 2216 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 30 PID 2216 wrote to memory of 1764 2216 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 30 PID 2216 wrote to memory of 1764 2216 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 30 PID 1764 wrote to memory of 3068 1764 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 31 PID 1764 wrote to memory of 3068 1764 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 31 PID 1764 wrote to memory of 3068 1764 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 31 PID 1764 wrote to memory of 3068 1764 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 31 PID 3068 wrote to memory of 1976 3068 cmd.exe 33 PID 3068 wrote to memory of 1976 3068 cmd.exe 33 PID 3068 wrote to memory of 1976 3068 cmd.exe 33 PID 3068 wrote to memory of 1976 3068 cmd.exe 33 PID 1764 wrote to memory of 816 1764 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 34 PID 1764 wrote to memory of 816 1764 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 34 PID 1764 wrote to memory of 816 1764 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 34 PID 1764 wrote to memory of 816 1764 51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe 34 PID 816 wrote to memory of 2028 816 csrsll.exe 35 PID 816 wrote to memory of 2028 816 csrsll.exe 35 PID 816 wrote to memory of 2028 816 csrsll.exe 35 PID 816 wrote to memory of 2028 816 csrsll.exe 35 PID 816 wrote to memory of 2028 816 csrsll.exe 35 PID 816 wrote to memory of 2028 816 csrsll.exe 35 PID 816 wrote to memory of 2028 816 csrsll.exe 35 PID 816 wrote to memory of 2028 816 csrsll.exe 35 PID 816 wrote to memory of 2504 816 csrsll.exe 36 PID 816 wrote to memory of 2504 816 csrsll.exe 36 PID 816 wrote to memory of 2504 816 csrsll.exe 36 PID 816 wrote to memory of 2504 816 csrsll.exe 36 PID 816 wrote to memory of 2504 816 csrsll.exe 36 PID 816 wrote to memory of 2504 816 csrsll.exe 36 PID 816 wrote to memory of 2504 816 csrsll.exe 36 PID 816 wrote to memory of 2504 816 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe"C:\Users\Admin\AppData\Local\Temp\51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Users\Admin\AppData\Local\Temp\51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe"C:\Users\Admin\AppData\Local\Temp\51c0260f97cf79f2bd3f6c4a20b03c10ddf0db8e29c77fc61a2f33242601cb3b.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1764 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\JOBEP.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068 -
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:1976
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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:816 -
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:2028
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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:2504
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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
MD5edbb73e0ef591b8c0268f81da64ca3fd
SHA14e3d90012ad361ef2fe6272ac3ca7aa2fa721b4d
SHA256dda4b917f3a557f741b71e2ee984ab724ba6f65622723e502b8eb7d309f5f4cb
SHA51288c62523efe82d1748127fd6dcea3c7642236e4c476c437e0fc07f2dcf6d0831ecbb722e5b6b19c6624e959046f9ca810309afccec42bc8652f00b5d1c80e765