Analysis
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max time kernel
119s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-12-2024 12:25
Behavioral task
behavioral1
Sample
8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe
Resource
win10v2004-20241007-en
General
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Target
8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe
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Size
90KB
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MD5
b9b93c0ec9040edaa11db9c836d3c170
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SHA1
9aa95882f999a1a193334f242fb75bba477e3825
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SHA256
8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57b
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SHA512
5a9674af3369cdbdbf239ab6c04af379caaccf5faba9e88ec97f0a0f1617208492ce52d13b43d65ed29132de33170d1768b3a52b0b4f1fa30521cdcc619af831
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
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 2 IoCs
resource yara_rule behavioral1/memory/892-256-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/892-263-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1724 csrsll.exe 1332 csrsll.exe 892 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2732 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 2732 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 2732 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 2732 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 2732 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\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 2700 set thread context of 2732 2700 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 30 PID 1724 set thread context of 1332 1724 csrsll.exe 36 PID 1724 set thread context of 892 1724 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2700-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2700-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2700-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2732-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2732-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2700-101-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2732-93-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2700-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2732-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2732-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2732-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2732-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2732-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0008000000012117-132.dat upx behavioral1/memory/2732-134-0x0000000003260000-0x00000000032B3000-memory.dmp upx behavioral1/memory/2700-154-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2732-155-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1724-213-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1724-257-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/892-256-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1332-255-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2732-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1332-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/892-263-0x0000000000400000-0x0000000000414000-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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe Token: SeDebugPrivilege 1332 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2700 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 2732 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 1724 csrsll.exe 1332 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2700 wrote to memory of 2732 2700 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 30 PID 2700 wrote to memory of 2732 2700 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 30 PID 2700 wrote to memory of 2732 2700 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 30 PID 2700 wrote to memory of 2732 2700 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 30 PID 2700 wrote to memory of 2732 2700 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 30 PID 2700 wrote to memory of 2732 2700 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 30 PID 2700 wrote to memory of 2732 2700 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 30 PID 2700 wrote to memory of 2732 2700 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 30 PID 2732 wrote to memory of 1804 2732 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 31 PID 2732 wrote to memory of 1804 2732 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 31 PID 2732 wrote to memory of 1804 2732 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 31 PID 2732 wrote to memory of 1804 2732 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 31 PID 1804 wrote to memory of 2064 1804 cmd.exe 33 PID 1804 wrote to memory of 2064 1804 cmd.exe 33 PID 1804 wrote to memory of 2064 1804 cmd.exe 33 PID 1804 wrote to memory of 2064 1804 cmd.exe 33 PID 2732 wrote to memory of 1724 2732 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 34 PID 2732 wrote to memory of 1724 2732 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 34 PID 2732 wrote to memory of 1724 2732 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 34 PID 2732 wrote to memory of 1724 2732 8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe 34 PID 1724 wrote to memory of 1332 1724 csrsll.exe 36 PID 1724 wrote to memory of 1332 1724 csrsll.exe 36 PID 1724 wrote to memory of 1332 1724 csrsll.exe 36 PID 1724 wrote to memory of 1332 1724 csrsll.exe 36 PID 1724 wrote to memory of 1332 1724 csrsll.exe 36 PID 1724 wrote to memory of 1332 1724 csrsll.exe 36 PID 1724 wrote to memory of 1332 1724 csrsll.exe 36 PID 1724 wrote to memory of 1332 1724 csrsll.exe 36 PID 1724 wrote to memory of 892 1724 csrsll.exe 37 PID 1724 wrote to memory of 892 1724 csrsll.exe 37 PID 1724 wrote to memory of 892 1724 csrsll.exe 37 PID 1724 wrote to memory of 892 1724 csrsll.exe 37 PID 1724 wrote to memory of 892 1724 csrsll.exe 37 PID 1724 wrote to memory of 892 1724 csrsll.exe 37 PID 1724 wrote to memory of 892 1724 csrsll.exe 37 PID 1724 wrote to memory of 892 1724 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe"C:\Users\Admin\AppData\Local\Temp\8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2700 -
C:\Users\Admin\AppData\Local\Temp\8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe"C:\Users\Admin\AppData\Local\Temp\8931cd1233bae5717e4ae055a419dc9c0c02d716b9aa4607c37b39c79abce57bN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\WMIHU.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1804 -
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:2064
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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:1724 -
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:1332
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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:892
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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
MD5726649a948e2ccda620c5cc5aabeef3b
SHA12590ad8fc5319549ba9b1a3149d4179673f8452a
SHA256af41b67fd05583ccd7b1cccc30a43e51d0fb07a56ec66bb125fa4d1584e65a83
SHA51268e3313e1030d2e497ff4cf43f3f950792f4951f6031549e293323797efb874718a6772781fa5926abbdf207736b5698b69a862f0d46993077243cf1b18b82bd