Analysis
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max time kernel
119s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-12-2024 19:27
Behavioral task
behavioral1
Sample
6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe
Resource
win10v2004-20241007-en
General
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Target
6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe
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Size
90KB
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MD5
80d7b2af4b8593074bd71f63cf1ca8f0
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SHA1
5e5526ae598e09d7fb917398ff6a46bdd44ae4ee
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SHA256
6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38
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SHA512
c98ef7e29d1d0665b525b8af2dfea58c836052cc35deb71336d37d4821f86796b7575c3bb91310d1d4e96c6e812089271b00a27ff0ef26e74a4c7dce1d014f6d
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD1:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3L
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/2572-266-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2152 csrsll.exe 1424 csrsll.exe 2572 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2640 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 2640 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 2640 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 2640 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 2640 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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 2124 set thread context of 2640 2124 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 28 PID 2152 set thread context of 1424 2152 csrsll.exe 33 PID 2152 set thread context of 2572 2152 csrsll.exe 34 -
resource yara_rule behavioral1/memory/2124-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2124-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2640-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2640-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2124-101-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2640-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2640-93-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2124-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2124-80-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2640-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2640-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2640-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2640-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0009000000012117-132.dat upx behavioral1/memory/2640-146-0x0000000003220000-0x0000000003273000-memory.dmp upx behavioral1/memory/2152-152-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2124-155-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2640-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2152-219-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2572-256-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2152-255-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2640-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1424-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2572-266-0x0000000000400000-0x0000000000414000-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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe Token: SeDebugPrivilege 1424 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2124 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 2640 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 2152 csrsll.exe 1424 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2124 wrote to memory of 2640 2124 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 28 PID 2124 wrote to memory of 2640 2124 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 28 PID 2124 wrote to memory of 2640 2124 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 28 PID 2124 wrote to memory of 2640 2124 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 28 PID 2124 wrote to memory of 2640 2124 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 28 PID 2124 wrote to memory of 2640 2124 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 28 PID 2124 wrote to memory of 2640 2124 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 28 PID 2124 wrote to memory of 2640 2124 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 28 PID 2640 wrote to memory of 2480 2640 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 29 PID 2640 wrote to memory of 2480 2640 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 29 PID 2640 wrote to memory of 2480 2640 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 29 PID 2640 wrote to memory of 2480 2640 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 29 PID 2480 wrote to memory of 2392 2480 cmd.exe 31 PID 2480 wrote to memory of 2392 2480 cmd.exe 31 PID 2480 wrote to memory of 2392 2480 cmd.exe 31 PID 2480 wrote to memory of 2392 2480 cmd.exe 31 PID 2640 wrote to memory of 2152 2640 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 32 PID 2640 wrote to memory of 2152 2640 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 32 PID 2640 wrote to memory of 2152 2640 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 32 PID 2640 wrote to memory of 2152 2640 6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe 32 PID 2152 wrote to memory of 1424 2152 csrsll.exe 33 PID 2152 wrote to memory of 1424 2152 csrsll.exe 33 PID 2152 wrote to memory of 1424 2152 csrsll.exe 33 PID 2152 wrote to memory of 1424 2152 csrsll.exe 33 PID 2152 wrote to memory of 1424 2152 csrsll.exe 33 PID 2152 wrote to memory of 1424 2152 csrsll.exe 33 PID 2152 wrote to memory of 1424 2152 csrsll.exe 33 PID 2152 wrote to memory of 1424 2152 csrsll.exe 33 PID 2152 wrote to memory of 2572 2152 csrsll.exe 34 PID 2152 wrote to memory of 2572 2152 csrsll.exe 34 PID 2152 wrote to memory of 2572 2152 csrsll.exe 34 PID 2152 wrote to memory of 2572 2152 csrsll.exe 34 PID 2152 wrote to memory of 2572 2152 csrsll.exe 34 PID 2152 wrote to memory of 2572 2152 csrsll.exe 34 PID 2152 wrote to memory of 2572 2152 csrsll.exe 34 PID 2152 wrote to memory of 2572 2152 csrsll.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe"C:\Users\Admin\AppData\Local\Temp\6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Users\Admin\AppData\Local\Temp\6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe"C:\Users\Admin\AppData\Local\Temp\6d231fd6362c6394f25a65c09d7c1f8f89b5f97335626931ba1b331f391e0e38N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\YXTUH.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2480 -
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:2392
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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:2152 -
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:1424
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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:2572
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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
MD5a1d74299574e151fcc868f446820fb3b
SHA195e4de1ecc0e1ebee8264a51777e32c8f34283e6
SHA2565c9f8cae866a32db8de1092141f2d825f68754e96af72b5b4d6ba3ab6392f053
SHA512b7d767134b528ab163a5293353d983f77c9dbc601caf4560f69fa3173c1bba5035cfc828b9145edc58828adb8cdf9a6a47d351b1e3824d8b606f1aef79faf0c5