Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
01-01-2025 23:57
Behavioral task
behavioral1
Sample
660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe
Resource
win10v2004-20241007-en
General
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Target
660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe
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Size
90KB
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MD5
09fe65d0ad50657cd5270de8c891279e
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SHA1
9f2c0c6befcaf621b5a51e682f821ed9d45b971c
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SHA256
660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6
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SHA512
5a319fc3c039d6203dd84613d36bdbf3cfdc8d632b66c01051a85b770250e384ee57f3cf66554b37f832f2eb7029425f54a8bff57a781b3f771c025d324cf013
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDk:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3a
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/1684-252-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1684-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2896 csrsll.exe 1236 csrsll.exe 1684 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2720 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 2720 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 2720 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 2720 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 2720 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\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 2052 set thread context of 2720 2052 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 30 PID 2896 set thread context of 1236 2896 csrsll.exe 36 PID 2896 set thread context of 1684 2896 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2052-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2052-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2052-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2720-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2720-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2720-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2720-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2052-101-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2720-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2720-93-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2720-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2052-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x000a00000001202b-131.dat upx behavioral1/memory/2720-133-0x0000000002850000-0x00000000028A3000-memory.dmp upx behavioral1/memory/2896-152-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2720-154-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2896-215-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1684-252-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2720-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2896-255-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1236-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1684-262-0x0000000000400000-0x0000000000414000-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 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe Token: SeDebugPrivilege 1236 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2052 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 2720 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 2896 csrsll.exe 1236 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2052 wrote to memory of 2720 2052 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 30 PID 2052 wrote to memory of 2720 2052 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 30 PID 2052 wrote to memory of 2720 2052 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 30 PID 2052 wrote to memory of 2720 2052 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 30 PID 2052 wrote to memory of 2720 2052 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 30 PID 2052 wrote to memory of 2720 2052 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 30 PID 2052 wrote to memory of 2720 2052 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 30 PID 2052 wrote to memory of 2720 2052 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 30 PID 2720 wrote to memory of 1696 2720 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 31 PID 2720 wrote to memory of 1696 2720 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 31 PID 2720 wrote to memory of 1696 2720 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 31 PID 2720 wrote to memory of 1696 2720 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 31 PID 1696 wrote to memory of 2992 1696 cmd.exe 33 PID 1696 wrote to memory of 2992 1696 cmd.exe 33 PID 1696 wrote to memory of 2992 1696 cmd.exe 33 PID 1696 wrote to memory of 2992 1696 cmd.exe 33 PID 2720 wrote to memory of 2896 2720 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 34 PID 2720 wrote to memory of 2896 2720 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 34 PID 2720 wrote to memory of 2896 2720 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 34 PID 2720 wrote to memory of 2896 2720 660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe 34 PID 2896 wrote to memory of 1236 2896 csrsll.exe 36 PID 2896 wrote to memory of 1236 2896 csrsll.exe 36 PID 2896 wrote to memory of 1236 2896 csrsll.exe 36 PID 2896 wrote to memory of 1236 2896 csrsll.exe 36 PID 2896 wrote to memory of 1236 2896 csrsll.exe 36 PID 2896 wrote to memory of 1236 2896 csrsll.exe 36 PID 2896 wrote to memory of 1236 2896 csrsll.exe 36 PID 2896 wrote to memory of 1236 2896 csrsll.exe 36 PID 2896 wrote to memory of 1684 2896 csrsll.exe 37 PID 2896 wrote to memory of 1684 2896 csrsll.exe 37 PID 2896 wrote to memory of 1684 2896 csrsll.exe 37 PID 2896 wrote to memory of 1684 2896 csrsll.exe 37 PID 2896 wrote to memory of 1684 2896 csrsll.exe 37 PID 2896 wrote to memory of 1684 2896 csrsll.exe 37 PID 2896 wrote to memory of 1684 2896 csrsll.exe 37 PID 2896 wrote to memory of 1684 2896 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe"C:\Users\Admin\AppData\Local\Temp\660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Users\Admin\AppData\Local\Temp\660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe"C:\Users\Admin\AppData\Local\Temp\660cb3e1c24bd8f631a670cdf7289c836f62c08fa1a131c49fa05256847568e6.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\CHWXU.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1696 -
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:2992
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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:2896 -
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:1236
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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:1684
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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
MD558fd5b7b1558cba374f7ffb838c26714
SHA1a342605bfebb71f5d479f7dee88620560b19dde7
SHA256fd4a30d671ec312f9ad15e0bd1e3dc6364835fc3ab66fe100c3d1809fa3e5f2a
SHA512977ce1baab461c8230f8e214a92012c8320a058d22f871437e048cdee99401705ce6ef749beb819c0beef7162b427197fb1729241ce7102fe0d7d103315bbd8a