Analysis
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max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-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 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1548-258-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
ModiLoader Second Stage 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1548-258-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
UPX dump on OEP (original entry point) 22 IoCs
Processes:
resource yara_rule behavioral1/memory/1936-0-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral1/memory/1936-78-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral1/memory/1936-82-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral1/memory/1936-81-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral1/memory/1936-92-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral1/memory/1936-89-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral1/memory/2468-101-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/1936-103-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral1/memory/2468-97-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2468-105-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2468-107-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2468-106-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2468-110-0x0000000000400000-0x000000000040B000-memory.dmp UPX \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe UPX behavioral1/memory/2468-147-0x0000000003480000-0x00000000034D4000-memory.dmp UPX behavioral1/memory/1832-149-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral1/memory/1832-227-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral1/memory/1548-242-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral1/memory/2468-249-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/1832-246-0x0000000000400000-0x0000000000454000-memory.dmp UPX behavioral1/memory/1396-257-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/1548-258-0x0000000000400000-0x0000000000414000-memory.dmp UPX -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 1832 csrsll.exe 1396 csrsll.exe 1548 csrsll.exe -
Loads dropped DLL 5 IoCs
Processes:
44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exepid process 2468 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 2468 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 2468 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 2468 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 2468 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe -
Processes:
resource yara_rule behavioral1/memory/1936-0-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1936-78-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1936-82-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1936-81-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1936-92-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1936-89-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2468-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1936-103-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2468-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2468-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2468-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2468-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2468-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2468-110-0x0000000000400000-0x000000000040B000-memory.dmp upx \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral1/memory/2468-147-0x0000000003480000-0x00000000034D4000-memory.dmp upx behavioral1/memory/1832-149-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1832-227-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1548-242-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2468-249-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1832-246-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1396-257-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1548-258-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\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 1936 set thread context of 2468 1936 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 1832 set thread context of 1396 1832 csrsll.exe csrsll.exe PID 1832 set thread context of 1548 1832 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 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe Token: SeDebugPrivilege 1396 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.execsrsll.execsrsll.exepid process 1936 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 2468 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 1832 csrsll.exe 1396 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.execmd.execsrsll.exedescription pid process target process PID 1936 wrote to memory of 2468 1936 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 1936 wrote to memory of 2468 1936 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 1936 wrote to memory of 2468 1936 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 1936 wrote to memory of 2468 1936 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 1936 wrote to memory of 2468 1936 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 1936 wrote to memory of 2468 1936 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 1936 wrote to memory of 2468 1936 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 1936 wrote to memory of 2468 1936 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe PID 2468 wrote to memory of 1560 2468 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe cmd.exe PID 2468 wrote to memory of 1560 2468 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe cmd.exe PID 2468 wrote to memory of 1560 2468 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe cmd.exe PID 2468 wrote to memory of 1560 2468 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe cmd.exe PID 1560 wrote to memory of 1980 1560 cmd.exe reg.exe PID 1560 wrote to memory of 1980 1560 cmd.exe reg.exe PID 1560 wrote to memory of 1980 1560 cmd.exe reg.exe PID 1560 wrote to memory of 1980 1560 cmd.exe reg.exe PID 2468 wrote to memory of 1832 2468 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe csrsll.exe PID 2468 wrote to memory of 1832 2468 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe csrsll.exe PID 2468 wrote to memory of 1832 2468 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe csrsll.exe PID 2468 wrote to memory of 1832 2468 44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe csrsll.exe PID 1832 wrote to memory of 1396 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1396 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1396 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1396 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1396 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1396 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1396 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1396 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1548 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1548 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1548 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1548 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1548 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1548 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1548 1832 csrsll.exe csrsll.exe PID 1832 wrote to memory of 1548 1832 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:1936 -
C:\Users\Admin\AppData\Local\Temp\44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe"C:\Users\Admin\AppData\Local\Temp\44f6679622481a7ab99d9fda9a41042ee4b1fb7b8f868dc3eff3f5c02b4235a1.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2468 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\HTYUI.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:1560 -
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:1980 -
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:1832 -
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:1396 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:1548
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
MD5116887663edafbb8bd9452f755423bcc
SHA14d459660b27553e38c413df8390cd9a2de1118c1
SHA2563feeb296764fa202fb044977ef39deb226109ae57420072f549dee78575817b5
SHA51220c7ce9bfafe790c7d1d8a0d525b53ce5283dd792503c1f491feaaacab5a0a8aac4f91f579f3cd85ce259219e968be9cbe74a2d152e6899f4997934a7b1fe922