Analysis
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max time kernel
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max time network
119s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
28-12-2024 02:02
Behavioral task
behavioral1
Sample
b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe
Resource
win10v2004-20241007-en
General
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Target
b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe
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Size
90KB
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MD5
20a27b3fe2eb702cb4d040fa4ac2f2d2
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SHA1
196971f963b4026a07a2603da6ffe6f7d2ad330c
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SHA256
b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69
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SHA512
00d7bbb932f75912ef77489c0dd51ab89acb0be3cbd8dad05ec1836904c08b8df9a6b5242306357610fc9bc23f32f725cd1f1949fa4f001901651d2e682a7655
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDC:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3I
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
resource yara_rule behavioral1/memory/1208-253-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1208-263-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 380 csrsll.exe 1124 csrsll.exe 1208 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2044 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 2044 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 2044 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 2044 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 2044 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description 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
description pid Process procid_target PID 2072 set thread context of 2044 2072 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 30 PID 380 set thread context of 1124 380 csrsll.exe 36 PID 380 set thread context of 1208 380 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2072-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2072-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2072-87-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2044-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2044-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2044-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2044-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2072-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2044-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2044-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2072-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2072-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2072-71-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2044-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000d00000001226d-151.dat upx behavioral1/memory/2044-147-0x00000000025A0000-0x00000000025F3000-memory.dmp upx behavioral1/memory/2072-154-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2044-155-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/380-214-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2044-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/380-256-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1208-253-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1124-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1208-263-0x0000000000400000-0x0000000000414000-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 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 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe Token: SeDebugPrivilege 1124 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2072 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 2044 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 380 csrsll.exe 1124 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2072 wrote to memory of 2044 2072 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 30 PID 2072 wrote to memory of 2044 2072 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 30 PID 2072 wrote to memory of 2044 2072 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 30 PID 2072 wrote to memory of 2044 2072 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 30 PID 2072 wrote to memory of 2044 2072 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 30 PID 2072 wrote to memory of 2044 2072 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 30 PID 2072 wrote to memory of 2044 2072 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 30 PID 2072 wrote to memory of 2044 2072 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 30 PID 2044 wrote to memory of 484 2044 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 31 PID 2044 wrote to memory of 484 2044 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 31 PID 2044 wrote to memory of 484 2044 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 31 PID 2044 wrote to memory of 484 2044 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 31 PID 484 wrote to memory of 812 484 cmd.exe 33 PID 484 wrote to memory of 812 484 cmd.exe 33 PID 484 wrote to memory of 812 484 cmd.exe 33 PID 484 wrote to memory of 812 484 cmd.exe 33 PID 2044 wrote to memory of 380 2044 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 34 PID 2044 wrote to memory of 380 2044 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 34 PID 2044 wrote to memory of 380 2044 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 34 PID 2044 wrote to memory of 380 2044 b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe 34 PID 380 wrote to memory of 1124 380 csrsll.exe 36 PID 380 wrote to memory of 1124 380 csrsll.exe 36 PID 380 wrote to memory of 1124 380 csrsll.exe 36 PID 380 wrote to memory of 1124 380 csrsll.exe 36 PID 380 wrote to memory of 1124 380 csrsll.exe 36 PID 380 wrote to memory of 1124 380 csrsll.exe 36 PID 380 wrote to memory of 1124 380 csrsll.exe 36 PID 380 wrote to memory of 1124 380 csrsll.exe 36 PID 380 wrote to memory of 1208 380 csrsll.exe 37 PID 380 wrote to memory of 1208 380 csrsll.exe 37 PID 380 wrote to memory of 1208 380 csrsll.exe 37 PID 380 wrote to memory of 1208 380 csrsll.exe 37 PID 380 wrote to memory of 1208 380 csrsll.exe 37 PID 380 wrote to memory of 1208 380 csrsll.exe 37 PID 380 wrote to memory of 1208 380 csrsll.exe 37 PID 380 wrote to memory of 1208 380 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe"C:\Users\Admin\AppData\Local\Temp\b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Users\Admin\AppData\Local\Temp\b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe"C:\Users\Admin\AppData\Local\Temp\b850dc144928e5ecf3a5baee231a3467763099e81965a9372fa4eed07e41cb69.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\KLIQD.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:484 -
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:812
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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:380 -
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:1124
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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
MD50f6dc4f3bfb648a779e1aacbd154b521
SHA1fbed5b7d4d77ccc26fea213cffa8033709c40973
SHA256ce71bc0fcef4c1a4c2d5a39982c449124e75ce274062e4fe0a38f71bbd399bc2
SHA5122d6ca3bf9319dfa08cc2b10d83315e545f6289778cc8637ef10591ce2a6f91c32f07a43f2518915d9ed389e750de9ab9705cbb6f9c151b03f22a243b7294d262