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Analysis
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max time kernel
149s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
18/12/2024, 21:18
Behavioral task
behavioral1
Sample
4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe
Resource
win10v2004-20241007-en
General
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Target
4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe
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Size
90KB
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MD5
ac72e621104fb27fa4ecec590c4472d8
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SHA1
d63d139554f0bf020fe906b31b539a408a66ed92
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SHA256
4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31
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SHA512
dc7c7ed5f1145ba529f39ffe058d1fa8d8d30a0e844d534afd006fd2d52acf060cfd4135012d26bc4836e34515c54f195987fb5076923673157b845c14c1d7bb
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDt:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3r
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
resource yara_rule behavioral1/memory/1540-267-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2792 csrsll.exe 1812 csrsll.exe 1540 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2272 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 2272 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 2272 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 2272 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 2272 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1740 set thread context of 2272 1740 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 30 PID 2792 set thread context of 1812 2792 csrsll.exe 35 PID 2792 set thread context of 1540 2792 csrsll.exe 36 -
resource yara_rule behavioral1/memory/1740-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1740-4-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1740-28-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1740-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2272-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2272-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2272-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1740-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2272-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2272-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2272-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0018000000016c92-133.dat upx behavioral1/memory/2792-151-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2272-143-0x0000000002B10000-0x0000000002B63000-memory.dmp upx behavioral1/memory/2272-154-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2272-156-0x0000000002B10000-0x0000000002B63000-memory.dmp upx behavioral1/memory/2792-160-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2792-218-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1812-247-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1540-253-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2792-260-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2272-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1812-264-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1540-267-0x0000000000400000-0x0000000000414000-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.
description ioc Process 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe Token: SeDebugPrivilege 1812 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1740 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 2272 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 2792 csrsll.exe 1812 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1740 wrote to memory of 2272 1740 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 30 PID 1740 wrote to memory of 2272 1740 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 30 PID 1740 wrote to memory of 2272 1740 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 30 PID 1740 wrote to memory of 2272 1740 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 30 PID 1740 wrote to memory of 2272 1740 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 30 PID 1740 wrote to memory of 2272 1740 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 30 PID 1740 wrote to memory of 2272 1740 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 30 PID 1740 wrote to memory of 2272 1740 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 30 PID 2272 wrote to memory of 2996 2272 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 31 PID 2272 wrote to memory of 2996 2272 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 31 PID 2272 wrote to memory of 2996 2272 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 31 PID 2272 wrote to memory of 2996 2272 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 31 PID 2996 wrote to memory of 2340 2996 cmd.exe 33 PID 2996 wrote to memory of 2340 2996 cmd.exe 33 PID 2996 wrote to memory of 2340 2996 cmd.exe 33 PID 2996 wrote to memory of 2340 2996 cmd.exe 33 PID 2272 wrote to memory of 2792 2272 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 34 PID 2272 wrote to memory of 2792 2272 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 34 PID 2272 wrote to memory of 2792 2272 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 34 PID 2272 wrote to memory of 2792 2272 4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe 34 PID 2792 wrote to memory of 1812 2792 csrsll.exe 35 PID 2792 wrote to memory of 1812 2792 csrsll.exe 35 PID 2792 wrote to memory of 1812 2792 csrsll.exe 35 PID 2792 wrote to memory of 1812 2792 csrsll.exe 35 PID 2792 wrote to memory of 1812 2792 csrsll.exe 35 PID 2792 wrote to memory of 1812 2792 csrsll.exe 35 PID 2792 wrote to memory of 1812 2792 csrsll.exe 35 PID 2792 wrote to memory of 1812 2792 csrsll.exe 35 PID 2792 wrote to memory of 1540 2792 csrsll.exe 36 PID 2792 wrote to memory of 1540 2792 csrsll.exe 36 PID 2792 wrote to memory of 1540 2792 csrsll.exe 36 PID 2792 wrote to memory of 1540 2792 csrsll.exe 36 PID 2792 wrote to memory of 1540 2792 csrsll.exe 36 PID 2792 wrote to memory of 1540 2792 csrsll.exe 36 PID 2792 wrote to memory of 1540 2792 csrsll.exe 36 PID 2792 wrote to memory of 1540 2792 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe"C:\Users\Admin\AppData\Local\Temp\4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Users\Admin\AppData\Local\Temp\4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe"C:\Users\Admin\AppData\Local\Temp\4a9f0a9937ff607816312f3805ce357cacd1c37c12d21d01184192149c832c31.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\DOTPD.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2996 -
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:2340
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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:2792 -
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:1812
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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:1540
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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
MD540876386d2e15a1afbfb38b09cdfa9e3
SHA1cc00090e6acc6da9e69e75a76bd8511750183225
SHA2568e033aad9cf028ad59c7516a5039afaf59eb65714bd9e9b2db5657e3d925dba4
SHA512de5cdc8eed5168351028905f89fcb4b2101aa9635e6568010d9b2d3d557051f1acfe3d2feaf49a032550a505e4afc73318a3a2184bfc0ce46970be8e8729ac2a