Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
20-06-2024 21:37
Behavioral task
behavioral1
Sample
44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe
Resource
win10v2004-20240611-en
General
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Target
44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe
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Size
326KB
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MD5
c6588d4ae439c37ff1fc9d701d077fc3
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SHA1
90bd7e211b9e7c7e65d650c531db6bc9d689d5d4
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SHA256
44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1
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SHA512
b09635c1910bc0e480e991ed6d7f7e4f62bac7cd78697a5bfe804b7fe5f51ae0151c17174b4e21db3c51caada9da4d7d48d8e6b3e99e0f372bba8d5c0238291d
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SSDEEP
3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8
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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Detects Windows executables referencing non-Windows User-Agents 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3164-53-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/3164-54-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/3164-51-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/3164-59-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
ModiLoader Second Stage 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3164-53-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3164-54-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3164-51-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3164-59-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
UPX dump on OEP (original entry point) 17 IoCs
Processes:
resource yara_rule behavioral2/memory/864-0-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral2/memory/4144-3-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/4144-9-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/864-11-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral2/memory/4144-10-0x0000000000400000-0x000000000040B000-memory.dmp UPX C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe UPX behavioral2/memory/1604-34-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral2/memory/3164-43-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1604-45-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral2/memory/3164-53-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/4144-57-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/3164-54-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/3164-51-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1604-47-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral2/memory/3164-50-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/4652-58-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/3164-59-0x0000000000400000-0x0000000000414000-memory.dmp UPX -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 1604 csrsll.exe 4652 csrsll.exe 3164 csrsll.exe -
Processes:
resource yara_rule behavioral2/memory/864-0-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/4144-3-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/864-5-0x00000000021C0000-0x00000000021C2000-memory.dmp upx behavioral2/memory/4144-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/864-11-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/4144-10-0x0000000000400000-0x000000000040B000-memory.dmp upx C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral2/memory/1604-34-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/3164-43-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1604-45-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/3164-53-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4144-57-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3164-54-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3164-51-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1604-47-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/3164-50-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4652-58-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3164-59-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.execsrsll.exedescription pid process target process PID 864 set thread context of 4144 864 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 1604 set thread context of 4652 1604 csrsll.exe csrsll.exe PID 1604 set thread context of 3164 1604 csrsll.exe csrsll.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
csrsll.exedescription pid process Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe Token: SeDebugPrivilege 4652 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.execsrsll.execsrsll.exepid process 864 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 4144 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 1604 csrsll.exe 4652 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.execmd.execsrsll.exedescription pid process target process PID 864 wrote to memory of 4144 864 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 864 wrote to memory of 4144 864 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 864 wrote to memory of 4144 864 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 864 wrote to memory of 4144 864 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 864 wrote to memory of 4144 864 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 864 wrote to memory of 4144 864 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 864 wrote to memory of 4144 864 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 864 wrote to memory of 4144 864 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 4144 wrote to memory of 3844 4144 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe cmd.exe PID 4144 wrote to memory of 3844 4144 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe cmd.exe PID 4144 wrote to memory of 3844 4144 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe cmd.exe PID 3844 wrote to memory of 432 3844 cmd.exe reg.exe PID 3844 wrote to memory of 432 3844 cmd.exe reg.exe PID 3844 wrote to memory of 432 3844 cmd.exe reg.exe PID 4144 wrote to memory of 1604 4144 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe csrsll.exe PID 4144 wrote to memory of 1604 4144 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe csrsll.exe PID 4144 wrote to memory of 1604 4144 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe csrsll.exe PID 1604 wrote to memory of 4652 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 4652 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 4652 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 4652 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 4652 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 4652 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 4652 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 4652 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 3164 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 3164 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 3164 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 3164 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 3164 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 3164 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 3164 1604 csrsll.exe csrsll.exe PID 1604 wrote to memory of 3164 1604 csrsll.exe csrsll.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe"C:\Users\Admin\AppData\Local\Temp\44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Users\Admin\AppData\Local\Temp\44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe"C:\Users\Admin\AppData\Local\Temp\44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EIOBN.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:3844 -
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
PID:432 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4652 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:3164
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
326KB
MD538b8f69eab4939d19a96344e7e415eb4
SHA1ae4f083ed7d47670c6a2b0fba29d5224303b7426
SHA256ee51e9079f4e92c12e5645e086d87b5cd8fa9aad04d3e861b4c8bcac78d41e1e
SHA51251abeeeb6d5af65ad3fd7724f2b06a83428f4159d8e05e9c11755c003413337991215d3f1f01c1806876a56a94b2a8914633a77f9e8f0e36a8958b42312941d8