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Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06/12/2024, 01:49
Behavioral task
behavioral1
Sample
4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
Resource
win10v2004-20241007-en
General
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Target
4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe
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Size
94KB
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MD5
6eedb0ad173ba58650164674ed5cc47d
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SHA1
ce2886e070e129f16dc90823158a0884bb9eea20
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SHA256
4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f
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SHA512
dd14faf59645058f20c7e0df38e815e8a5048f4e05dc1239ee2cb6eecb55229e99457982ca6756260c199f96830995bab2b6f74f4299878eb37473c257ad65a5
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SSDEEP
1536:/pdyL9GjGiwA1z0PmVggNJKbFD2BBMx1RiwmPJr3raDk5BRf13KH9m2POE/0:/pdyLALwACPmV3NYaYLiwIt3raA5BRfr
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/56532-147859-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 68304 csrsll.exe 56448 csrsll.exe 56532 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 68044 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 68044 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 68044 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 68044 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 68044 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.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 2156 set thread context of 68044 2156 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 31 PID 68304 set thread context of 56448 68304 csrsll.exe 36 PID 68304 set thread context of 56532 68304 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2156-0-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/2156-666-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/68044-73923-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/68044-73921-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2156-73918-0x0000000002710000-0x0000000002766000-memory.dmp upx behavioral1/memory/68044-73927-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/68044-73928-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2156-73929-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/68044-73930-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000a000000018bcd-73955.dat upx behavioral1/memory/68304-138360-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/56532-147844-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/68304-147848-0x0000000000400000-0x0000000000456000-memory.dmp upx behavioral1/memory/68044-147855-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/56448-147856-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/56532-147859-0x0000000000400000-0x0000000000414000-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 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.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 58 IoCs
description pid Process Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe Token: SeDebugPrivilege 56448 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2156 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 68044 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 68304 csrsll.exe 56448 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2156 wrote to memory of 68044 2156 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 31 PID 2156 wrote to memory of 68044 2156 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 31 PID 2156 wrote to memory of 68044 2156 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 31 PID 2156 wrote to memory of 68044 2156 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 31 PID 2156 wrote to memory of 68044 2156 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 31 PID 2156 wrote to memory of 68044 2156 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 31 PID 2156 wrote to memory of 68044 2156 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 31 PID 2156 wrote to memory of 68044 2156 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 31 PID 68044 wrote to memory of 68224 68044 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 32 PID 68044 wrote to memory of 68224 68044 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 32 PID 68044 wrote to memory of 68224 68044 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 32 PID 68044 wrote to memory of 68224 68044 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 32 PID 68224 wrote to memory of 68280 68224 cmd.exe 34 PID 68224 wrote to memory of 68280 68224 cmd.exe 34 PID 68224 wrote to memory of 68280 68224 cmd.exe 34 PID 68224 wrote to memory of 68280 68224 cmd.exe 34 PID 68044 wrote to memory of 68304 68044 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 35 PID 68044 wrote to memory of 68304 68044 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 35 PID 68044 wrote to memory of 68304 68044 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 35 PID 68044 wrote to memory of 68304 68044 4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe 35 PID 68304 wrote to memory of 56448 68304 csrsll.exe 36 PID 68304 wrote to memory of 56448 68304 csrsll.exe 36 PID 68304 wrote to memory of 56448 68304 csrsll.exe 36 PID 68304 wrote to memory of 56448 68304 csrsll.exe 36 PID 68304 wrote to memory of 56448 68304 csrsll.exe 36 PID 68304 wrote to memory of 56448 68304 csrsll.exe 36 PID 68304 wrote to memory of 56448 68304 csrsll.exe 36 PID 68304 wrote to memory of 56448 68304 csrsll.exe 36 PID 68304 wrote to memory of 56532 68304 csrsll.exe 37 PID 68304 wrote to memory of 56532 68304 csrsll.exe 37 PID 68304 wrote to memory of 56532 68304 csrsll.exe 37 PID 68304 wrote to memory of 56532 68304 csrsll.exe 37 PID 68304 wrote to memory of 56532 68304 csrsll.exe 37 PID 68304 wrote to memory of 56532 68304 csrsll.exe 37 PID 68304 wrote to memory of 56532 68304 csrsll.exe 37 PID 68304 wrote to memory of 56532 68304 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe"C:\Users\Admin\AppData\Local\Temp\4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Users\Admin\AppData\Local\Temp\4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe"C:\Users\Admin\AppData\Local\Temp\4940d8fb4b9f2eb6375e5796641dab43b6095dbefe612594db1aac09c68ce97f.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:68044 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\LXURV.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:68224 -
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:68280
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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:68304 -
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:56448
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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:56532
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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
94KB
MD516bff7fde129b884d88535e3f897c359
SHA18a7646edef8bd712c7ab6ecfea60630c1199a757
SHA256d78625e6608cfb12809b7b41135be57de86b9ad994080855c00460d62b80f512
SHA5120b065ecf83d73c1ec862b9da5abb3ea00011d37972d1b740d6d7e5f34a2bc079fe4cb9a588bdf0d705c56bbd5b7eec1929c3e60e1fb49a0d0e84ef861834fc47