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Analysis
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max time kernel
118s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/01/2025, 16:49
Behavioral task
behavioral1
Sample
8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe
Resource
win10v2004-20241007-en
General
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Target
8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe
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Size
90KB
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MD5
e70d85a460779aa71db82794348ec730
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SHA1
df19bb273bb7f9d57c3dd7658887aa90ffe72788
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SHA256
8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722
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SHA512
9af57feccec4e284d47a9b9d9a039a60e699656c935fc6a6f174422c51b724a6a686dc1a3c0047594fc8df2c6862a0c15befa3e1ad15f0ceb543e90d206e6048
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDa:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3w
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/444-266-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1816 csrsll.exe 2676 csrsll.exe 444 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2652 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 2652 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 2652 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 2652 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 2652 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.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 2324 set thread context of 2652 2324 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 28 PID 1816 set thread context of 2676 1816 csrsll.exe 33 PID 1816 set thread context of 444 1816 csrsll.exe 34 -
resource yara_rule behavioral1/memory/2324-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2324-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2652-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2324-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2652-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2652-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2324-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2324-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2324-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2324-43-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2652-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2652-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2652-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2652-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2652-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000c000000012029-134.dat upx behavioral1/memory/2652-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1816-216-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/444-254-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2652-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1816-256-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2676-253-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2676-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/444-266-0x0000000000400000-0x0000000000414000-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 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe Token: SeDebugPrivilege 2676 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2324 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 2652 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 1816 csrsll.exe 2676 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2324 wrote to memory of 2652 2324 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 28 PID 2324 wrote to memory of 2652 2324 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 28 PID 2324 wrote to memory of 2652 2324 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 28 PID 2324 wrote to memory of 2652 2324 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 28 PID 2324 wrote to memory of 2652 2324 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 28 PID 2324 wrote to memory of 2652 2324 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 28 PID 2324 wrote to memory of 2652 2324 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 28 PID 2324 wrote to memory of 2652 2324 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 28 PID 2652 wrote to memory of 2952 2652 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 29 PID 2652 wrote to memory of 2952 2652 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 29 PID 2652 wrote to memory of 2952 2652 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 29 PID 2652 wrote to memory of 2952 2652 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 29 PID 2952 wrote to memory of 980 2952 cmd.exe 31 PID 2952 wrote to memory of 980 2952 cmd.exe 31 PID 2952 wrote to memory of 980 2952 cmd.exe 31 PID 2952 wrote to memory of 980 2952 cmd.exe 31 PID 2652 wrote to memory of 1816 2652 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 32 PID 2652 wrote to memory of 1816 2652 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 32 PID 2652 wrote to memory of 1816 2652 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 32 PID 2652 wrote to memory of 1816 2652 8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe 32 PID 1816 wrote to memory of 2676 1816 csrsll.exe 33 PID 1816 wrote to memory of 2676 1816 csrsll.exe 33 PID 1816 wrote to memory of 2676 1816 csrsll.exe 33 PID 1816 wrote to memory of 2676 1816 csrsll.exe 33 PID 1816 wrote to memory of 2676 1816 csrsll.exe 33 PID 1816 wrote to memory of 2676 1816 csrsll.exe 33 PID 1816 wrote to memory of 2676 1816 csrsll.exe 33 PID 1816 wrote to memory of 2676 1816 csrsll.exe 33 PID 1816 wrote to memory of 444 1816 csrsll.exe 34 PID 1816 wrote to memory of 444 1816 csrsll.exe 34 PID 1816 wrote to memory of 444 1816 csrsll.exe 34 PID 1816 wrote to memory of 444 1816 csrsll.exe 34 PID 1816 wrote to memory of 444 1816 csrsll.exe 34 PID 1816 wrote to memory of 444 1816 csrsll.exe 34 PID 1816 wrote to memory of 444 1816 csrsll.exe 34 PID 1816 wrote to memory of 444 1816 csrsll.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe"C:\Users\Admin\AppData\Local\Temp\8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2324 -
C:\Users\Admin\AppData\Local\Temp\8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe"C:\Users\Admin\AppData\Local\Temp\8b3d9726bad6a800889730419332af9f699150f11d5d79621a74c9f4d0ed0722N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\KJXEN.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2952 -
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:980
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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:1816 -
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:2676
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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:444
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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
MD51241bebc3846e5efc219f07936b882f5
SHA179f15ce23475de88832adacdf83b377faa15668a
SHA2568fd06caceddea64df5f58b56b10ed11e1e31991356f4f13bfe16c07f73fb7cb1
SHA512f9a2f596a522dcf51b3540aa668f85af867c932b6274781fc84ea007fe40da3b9becbe274d920376bbf9968bf2a1cc0576f3aee9c46b23c1e17e477079543eb7