Analysis
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max time kernel
118s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16/12/2024, 19:04
Behavioral task
behavioral1
Sample
fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe
Resource
win10v2004-20241007-en
General
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Target
fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe
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Size
90KB
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MD5
2572f7614e1f21ba220665922c12e540
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SHA1
3bdcbb22e73dbc50ba244408e48fa288c519df70
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SHA256
fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575b
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SHA512
3fd365da6287323d8c09261caae5d053d3e1839a0503271cf649a70dfaab8684e43ba5a392600e29e2505e36df07f0cd09eb34e44de98588028b6579fbc19df8
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD9:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3/
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/1320-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2828 csrsll.exe 2196 csrsll.exe 1320 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2144 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 2144 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 2144 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 2144 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 2144 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\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 2348 set thread context of 2144 2348 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 31 PID 2828 set thread context of 2196 2828 csrsll.exe 36 PID 2828 set thread context of 1320 2828 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2348-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2348-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2348-93-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2348-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2348-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2348-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2348-67-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2144-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2144-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2144-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2348-108-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2144-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2144-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2144-111-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2348-113-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2348-109-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x000a000000016311-138.dat upx behavioral1/memory/2144-157-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2828-217-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2144-249-0x00000000031D0000-0x0000000003223000-memory.dmp upx behavioral1/memory/1320-251-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2828-254-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2144-258-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2196-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1320-262-0x0000000000400000-0x0000000000414000-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 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 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe Token: SeDebugPrivilege 2196 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2348 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 2144 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 2828 csrsll.exe 2196 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2348 wrote to memory of 2144 2348 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 31 PID 2348 wrote to memory of 2144 2348 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 31 PID 2348 wrote to memory of 2144 2348 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 31 PID 2348 wrote to memory of 2144 2348 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 31 PID 2348 wrote to memory of 2144 2348 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 31 PID 2348 wrote to memory of 2144 2348 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 31 PID 2348 wrote to memory of 2144 2348 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 31 PID 2348 wrote to memory of 2144 2348 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 31 PID 2144 wrote to memory of 2644 2144 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 32 PID 2144 wrote to memory of 2644 2144 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 32 PID 2144 wrote to memory of 2644 2144 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 32 PID 2144 wrote to memory of 2644 2144 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 32 PID 2644 wrote to memory of 1140 2644 cmd.exe 34 PID 2644 wrote to memory of 1140 2644 cmd.exe 34 PID 2644 wrote to memory of 1140 2644 cmd.exe 34 PID 2644 wrote to memory of 1140 2644 cmd.exe 34 PID 2144 wrote to memory of 2828 2144 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 35 PID 2144 wrote to memory of 2828 2144 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 35 PID 2144 wrote to memory of 2828 2144 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 35 PID 2144 wrote to memory of 2828 2144 fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe 35 PID 2828 wrote to memory of 2196 2828 csrsll.exe 36 PID 2828 wrote to memory of 2196 2828 csrsll.exe 36 PID 2828 wrote to memory of 2196 2828 csrsll.exe 36 PID 2828 wrote to memory of 2196 2828 csrsll.exe 36 PID 2828 wrote to memory of 2196 2828 csrsll.exe 36 PID 2828 wrote to memory of 2196 2828 csrsll.exe 36 PID 2828 wrote to memory of 2196 2828 csrsll.exe 36 PID 2828 wrote to memory of 2196 2828 csrsll.exe 36 PID 2828 wrote to memory of 1320 2828 csrsll.exe 37 PID 2828 wrote to memory of 1320 2828 csrsll.exe 37 PID 2828 wrote to memory of 1320 2828 csrsll.exe 37 PID 2828 wrote to memory of 1320 2828 csrsll.exe 37 PID 2828 wrote to memory of 1320 2828 csrsll.exe 37 PID 2828 wrote to memory of 1320 2828 csrsll.exe 37 PID 2828 wrote to memory of 1320 2828 csrsll.exe 37 PID 2828 wrote to memory of 1320 2828 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe"C:\Users\Admin\AppData\Local\Temp\fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2348 -
C:\Users\Admin\AppData\Local\Temp\fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe"C:\Users\Admin\AppData\Local\Temp\fdf4b173824222e963fd6530874d13b8d4b3eb161afdc51a6a858fd4c1a3575bN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2144 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\MDNTL.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644 -
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:1140
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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:2828 -
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:2196
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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:1320
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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
MD572b1a894730fafd0ec50cb252e6fe0cb
SHA104fd59e5bae8bcb0af4da988905adcd236d898fc
SHA256d62a8491e9fe4b1d5746b84011f150156a69a0a4f2566bcb393fcedd3c729527
SHA51291bc31306fd2895f21e825c4fc9e56900a3e5be83dbfd570a27ac8514f7650c67f0c5af96da3614436cb4637ddf6508b285db616910be1244f6e1030a9bfee30