Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17-12-2024 13:00
Behavioral task
behavioral1
Sample
81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe
Resource
win10v2004-20241007-en
General
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Target
81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe
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Size
90KB
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MD5
cd4c3de20544d7c0fdfbdad17072b0d0
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SHA1
b07d8743d4a7b08e0012b71de69233270d966ee7
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SHA256
81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708
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SHA512
30d5634a2fbf2b94121dfb7b221fafb9f3b3a5139a43dafd19936c3aa0cf8a22019ede6639a3d59cdfffb839ca957501789a48a74ef594295a91d2e0cde8e84d
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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 2 IoCs
resource yara_rule behavioral1/memory/1340-258-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1340-266-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1692 csrsll.exe 1652 csrsll.exe 1340 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2948 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 2948 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 2948 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 2948 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 2948 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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 2092 set thread context of 2948 2092 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 31 PID 1692 set thread context of 1652 1692 csrsll.exe 36 PID 1692 set thread context of 1340 1692 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2092-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2092-32-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2092-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2092-87-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2948-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2948-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2092-109-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2948-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2092-106-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2948-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2092-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2092-113-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2092-102-0x00000000004C0000-0x0000000000513000-memory.dmp upx behavioral1/memory/2948-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2948-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2092-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2092-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2948-139-0x00000000033B0000-0x0000000003403000-memory.dmp upx behavioral1/files/0x0008000000018731-140.dat upx behavioral1/memory/2948-157-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1692-217-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1340-258-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1692-261-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2948-264-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1652-257-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1652-265-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1340-266-0x0000000000400000-0x0000000000414000-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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.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
description pid Process Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe Token: SeDebugPrivilege 1652 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2092 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 2948 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 1692 csrsll.exe 1652 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2092 wrote to memory of 2948 2092 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 31 PID 2092 wrote to memory of 2948 2092 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 31 PID 2092 wrote to memory of 2948 2092 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 31 PID 2092 wrote to memory of 2948 2092 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 31 PID 2092 wrote to memory of 2948 2092 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 31 PID 2092 wrote to memory of 2948 2092 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 31 PID 2092 wrote to memory of 2948 2092 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 31 PID 2092 wrote to memory of 2948 2092 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 31 PID 2948 wrote to memory of 2392 2948 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 32 PID 2948 wrote to memory of 2392 2948 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 32 PID 2948 wrote to memory of 2392 2948 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 32 PID 2948 wrote to memory of 2392 2948 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 32 PID 2392 wrote to memory of 1684 2392 cmd.exe 34 PID 2392 wrote to memory of 1684 2392 cmd.exe 34 PID 2392 wrote to memory of 1684 2392 cmd.exe 34 PID 2392 wrote to memory of 1684 2392 cmd.exe 34 PID 2948 wrote to memory of 1692 2948 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 35 PID 2948 wrote to memory of 1692 2948 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 35 PID 2948 wrote to memory of 1692 2948 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 35 PID 2948 wrote to memory of 1692 2948 81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe 35 PID 1692 wrote to memory of 1652 1692 csrsll.exe 36 PID 1692 wrote to memory of 1652 1692 csrsll.exe 36 PID 1692 wrote to memory of 1652 1692 csrsll.exe 36 PID 1692 wrote to memory of 1652 1692 csrsll.exe 36 PID 1692 wrote to memory of 1652 1692 csrsll.exe 36 PID 1692 wrote to memory of 1652 1692 csrsll.exe 36 PID 1692 wrote to memory of 1652 1692 csrsll.exe 36 PID 1692 wrote to memory of 1652 1692 csrsll.exe 36 PID 1692 wrote to memory of 1340 1692 csrsll.exe 37 PID 1692 wrote to memory of 1340 1692 csrsll.exe 37 PID 1692 wrote to memory of 1340 1692 csrsll.exe 37 PID 1692 wrote to memory of 1340 1692 csrsll.exe 37 PID 1692 wrote to memory of 1340 1692 csrsll.exe 37 PID 1692 wrote to memory of 1340 1692 csrsll.exe 37 PID 1692 wrote to memory of 1340 1692 csrsll.exe 37 PID 1692 wrote to memory of 1340 1692 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe"C:\Users\Admin\AppData\Local\Temp\81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Users\Admin\AppData\Local\Temp\81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe"C:\Users\Admin\AppData\Local\Temp\81b5198de100e9a2f70b6eeae01277611497e7c19b1ba0b630b00144a8aca708N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\EJYWF.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2392 -
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:1684
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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:1692 -
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:1652
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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:1340
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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
MD5d957f7f6b7c570546fae59723dc37ba8
SHA1079585fb3545c2b009503c08bb0d6cfa5b1425bc
SHA256406637544993bd49e97ec260e812e79dbe0d34dd0c8f080fee840c0b4db4a43d
SHA512d4f53149cdfc47a75afcbe749974315d205d4e93ec5e358f5622c318fcbf10ba819c0046be0a9b59486d17ef3773035a80bb64335676cf395fa333ac12c01c52