Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
19-11-2024 12:19
Behavioral task
behavioral1
Sample
c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe
Resource
win10v2004-20241007-en
General
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Target
c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe
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Size
338KB
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MD5
563dc5975e261789895fed97482b43ab
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SHA1
733c8ebc3b82a42ec9b5184ec70cc877760cfecb
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SHA256
c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11
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SHA512
05a59f4493856263afb09694b371bc38b12130acb15e57a44103a4d4d34c7ef00fb5f50010504ca48b0d5a29468696560f0446e85c5bc16ea0049d27020561a4
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SSDEEP
3072:bc3sBG7mXh7m/zZM3jAbNOM6CNtDCZFc/H:w3sBz0Z4Mj72Fg
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/154804-147865-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 18528 csrsll.exe 154736 csrsll.exe 154804 csrsll.exe -
Loads dropped DLL 6 IoCs
Processes:
c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.execsrsll.exepid process 6576 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe 6576 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe 6576 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe 6576 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe 6576 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe 18528 csrsll.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:
c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.execsrsll.exedescription pid process target process PID 2172 set thread context of 6576 2172 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe PID 18528 set thread context of 154736 18528 csrsll.exe csrsll.exe PID 18528 set thread context of 154804 18528 csrsll.exe csrsll.exe -
Processes:
resource yara_rule behavioral1/memory/2172-0-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/2172-44682-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/6576-73921-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/6576-73929-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/6576-73928-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2172-73927-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/6576-73926-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/6576-73919-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/6576-73968-0x0000000003200000-0x0000000003257000-memory.dmp upx \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral1/memory/6576-109291-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/18528-109298-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/154804-147850-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/18528-147854-0x0000000000400000-0x0000000000457000-memory.dmp upx behavioral1/memory/6576-147861-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/154736-147863-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/154804-147865-0x0000000000400000-0x0000000000414000-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.
Processes:
c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exec61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.execmd.exereg.execsrsll.execsrsll.execsrsll.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.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
Processes:
csrsll.exedescription pid process Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe Token: SeDebugPrivilege 154736 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exec61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.execsrsll.execsrsll.exepid process 2172 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe 6576 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe 18528 csrsll.exe 154736 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exec61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.execmd.execsrsll.exedescription pid process target process PID 2172 wrote to memory of 6576 2172 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe PID 2172 wrote to memory of 6576 2172 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe PID 2172 wrote to memory of 6576 2172 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe PID 2172 wrote to memory of 6576 2172 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe PID 2172 wrote to memory of 6576 2172 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe PID 2172 wrote to memory of 6576 2172 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe PID 2172 wrote to memory of 6576 2172 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe PID 2172 wrote to memory of 6576 2172 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe PID 6576 wrote to memory of 18452 6576 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe cmd.exe PID 6576 wrote to memory of 18452 6576 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe cmd.exe PID 6576 wrote to memory of 18452 6576 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe cmd.exe PID 6576 wrote to memory of 18452 6576 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe cmd.exe PID 18452 wrote to memory of 18504 18452 cmd.exe reg.exe PID 18452 wrote to memory of 18504 18452 cmd.exe reg.exe PID 18452 wrote to memory of 18504 18452 cmd.exe reg.exe PID 18452 wrote to memory of 18504 18452 cmd.exe reg.exe PID 6576 wrote to memory of 18528 6576 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe csrsll.exe PID 6576 wrote to memory of 18528 6576 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe csrsll.exe PID 6576 wrote to memory of 18528 6576 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe csrsll.exe PID 6576 wrote to memory of 18528 6576 c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe csrsll.exe PID 18528 wrote to memory of 154736 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154736 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154736 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154736 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154736 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154736 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154736 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154736 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154804 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154804 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154804 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154804 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154804 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154804 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154804 18528 csrsll.exe csrsll.exe PID 18528 wrote to memory of 154804 18528 csrsll.exe csrsll.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe"C:\Users\Admin\AppData\Local\Temp\c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Users\Admin\AppData\Local\Temp\c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe"C:\Users\Admin\AppData\Local\Temp\c61bd926d17a408a738b79ed3761ac6dddc35fa5f50794a7a59e2eaaf8dc4b11.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:6576 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\KXYBL.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:18452 -
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:18504
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:18528 -
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:154736
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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:154804
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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
338KB
MD5cceb59d2ff2e38bb976e96a47eaba2e3
SHA1c4575071a140f76c66f9ffd4a8be517b2529ec13
SHA25621ecc52cd5dab653b6ebccf12fa88f3207e60cd4ffde4ffdf08b61f8398c635a
SHA5121f9718390c8712b1eecf1a6f77f7b754c0ecdc3ca22d59f9541c98c8a9cfd43b3401a92887cb375846c008c88983b00e9e9a93e62b8a1a15a29aac9b63808dfc