Analysis
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max time kernel
149s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
07-11-2024 03:06
Behavioral task
behavioral1
Sample
ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe
Resource
win10v2004-20241007-en
General
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Target
ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe
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Size
90KB
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MD5
97ad2390ab5a5dcf61015ed33f9a1c64
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SHA1
59f4a4565161a04e0327ef26876ec329c8392e15
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SHA256
ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1
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SHA512
412a3b1c678c10519a36a99eb9c31159607e7d228563f73fe3fc192b3086a5b0bf68b4a365cc0aeb8215453cdef668b1fc88785a6bb49eaaa8cc9ac362635c27
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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/2592-258-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid Process 1348 csrsll.exe 2332 csrsll.exe 2592 csrsll.exe -
Loads dropped DLL 5 IoCs
Processes:
ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exepid Process 2724 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 2724 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 2724 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 2724 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 2724 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.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:
ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.execsrsll.exedescription pid Process procid_target PID 2308 set thread context of 2724 2308 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 30 PID 1348 set thread context of 2332 1348 csrsll.exe 35 PID 1348 set thread context of 2592 1348 csrsll.exe 36 -
Processes:
resource yara_rule behavioral1/memory/2308-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2308-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2308-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2724-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2724-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2724-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2308-100-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2724-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2724-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2724-92-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x00090000000120fe-131.dat upx behavioral1/memory/2724-133-0x0000000003150000-0x00000000031A3000-memory.dmp upx behavioral1/memory/1348-150-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2724-153-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1348-216-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2724-212-0x0000000003150000-0x00000000031A3000-memory.dmp upx behavioral1/memory/2724-257-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1348-249-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2592-258-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2332-259-0x0000000000400000-0x000000000040B000-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:
reg.execsrsll.execsrsll.execsrsll.exeac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exeac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.execmd.exedescription ioc Process 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
csrsll.exedescription pid Process Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe Token: SeDebugPrivilege 2332 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exeac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.execsrsll.execsrsll.exepid Process 2308 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 2724 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 1348 csrsll.exe 2332 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exeac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.execmd.execsrsll.exedescription pid Process procid_target PID 2308 wrote to memory of 2724 2308 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 30 PID 2308 wrote to memory of 2724 2308 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 30 PID 2308 wrote to memory of 2724 2308 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 30 PID 2308 wrote to memory of 2724 2308 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 30 PID 2308 wrote to memory of 2724 2308 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 30 PID 2308 wrote to memory of 2724 2308 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 30 PID 2308 wrote to memory of 2724 2308 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 30 PID 2308 wrote to memory of 2724 2308 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 30 PID 2724 wrote to memory of 1624 2724 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 31 PID 2724 wrote to memory of 1624 2724 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 31 PID 2724 wrote to memory of 1624 2724 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 31 PID 2724 wrote to memory of 1624 2724 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 31 PID 1624 wrote to memory of 2868 1624 cmd.exe 33 PID 1624 wrote to memory of 2868 1624 cmd.exe 33 PID 1624 wrote to memory of 2868 1624 cmd.exe 33 PID 1624 wrote to memory of 2868 1624 cmd.exe 33 PID 2724 wrote to memory of 1348 2724 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 34 PID 2724 wrote to memory of 1348 2724 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 34 PID 2724 wrote to memory of 1348 2724 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 34 PID 2724 wrote to memory of 1348 2724 ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe 34 PID 1348 wrote to memory of 2332 1348 csrsll.exe 35 PID 1348 wrote to memory of 2332 1348 csrsll.exe 35 PID 1348 wrote to memory of 2332 1348 csrsll.exe 35 PID 1348 wrote to memory of 2332 1348 csrsll.exe 35 PID 1348 wrote to memory of 2332 1348 csrsll.exe 35 PID 1348 wrote to memory of 2332 1348 csrsll.exe 35 PID 1348 wrote to memory of 2332 1348 csrsll.exe 35 PID 1348 wrote to memory of 2332 1348 csrsll.exe 35 PID 1348 wrote to memory of 2592 1348 csrsll.exe 36 PID 1348 wrote to memory of 2592 1348 csrsll.exe 36 PID 1348 wrote to memory of 2592 1348 csrsll.exe 36 PID 1348 wrote to memory of 2592 1348 csrsll.exe 36 PID 1348 wrote to memory of 2592 1348 csrsll.exe 36 PID 1348 wrote to memory of 2592 1348 csrsll.exe 36 PID 1348 wrote to memory of 2592 1348 csrsll.exe 36 PID 1348 wrote to memory of 2592 1348 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe"C:\Users\Admin\AppData\Local\Temp\ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Users\Admin\AppData\Local\Temp\ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe"C:\Users\Admin\AppData\Local\Temp\ac543ed1a2faf53bbcecc478d7b7e1644ab57973940e48d875b99ce6844006f1.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\WWJLG.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1624 -
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:2868
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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:1348 -
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:2332
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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:2592
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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
MD532777ecba6dae0f1bd9225d2979f8ab7
SHA1983dd129e05659b386aeeac6a364f1cbfeabc34e
SHA2564f31b7e51930f765a8d9916b6e2bab6cd2b6ce07fc80240133976d3fec36d228
SHA512608efcda43a145dca88fbb448a96d2ead5c98bdbd636afccff5e7bc6124f4132636bbbbfef44a0cf802c0882cd50d207a4d3fb82f9962ae87270770a4f7c4497