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Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02/01/2025, 02:07
Behavioral task
behavioral1
Sample
3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe
Resource
win10v2004-20241007-en
General
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Target
3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe
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Size
90KB
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MD5
abbf2a0e9f1a5bffe7931e5bd26dc490
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SHA1
3f17b638d043411c9cd31a90de1571c3b592d436
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SHA256
3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9
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SHA512
dbf60fa7396521badb0f11332185b924b7c5d61935575293b6e39d829385d9daa7836863a3dcda72f5c5925730ac0463ea8f5a0ff3963a4ab079ad80f2c3e68b
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDq:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE30
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 4 IoCs
resource yara_rule behavioral2/memory/4856-52-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4856-55-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4856-57-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4856-61-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe -
Executes dropped EXE 3 IoCs
pid Process 1984 csrsll.exe 3704 csrsll.exe 4856 csrsll.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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 3420 set thread context of 1548 3420 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 84 PID 1984 set thread context of 3704 1984 csrsll.exe 101 PID 1984 set thread context of 4856 1984 csrsll.exe 102 -
resource yara_rule behavioral2/memory/3420-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3420-5-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1548-7-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1548-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3420-12-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1548-13-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x0008000000023c7b-29.dat upx behavioral2/memory/1548-39-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1984-40-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1984-41-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4856-46-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4856-50-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4856-52-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4856-55-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4856-57-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1984-54-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1548-59-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3704-60-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4856-61-0x0000000000400000-0x0000000000414000-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 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe Token: SeDebugPrivilege 3704 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3420 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 1548 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 1984 csrsll.exe 3704 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 3420 wrote to memory of 1548 3420 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 84 PID 3420 wrote to memory of 1548 3420 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 84 PID 3420 wrote to memory of 1548 3420 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 84 PID 3420 wrote to memory of 1548 3420 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 84 PID 3420 wrote to memory of 1548 3420 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 84 PID 3420 wrote to memory of 1548 3420 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 84 PID 3420 wrote to memory of 1548 3420 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 84 PID 3420 wrote to memory of 1548 3420 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 84 PID 1548 wrote to memory of 1016 1548 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 89 PID 1548 wrote to memory of 1016 1548 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 89 PID 1548 wrote to memory of 1016 1548 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 89 PID 1016 wrote to memory of 2928 1016 cmd.exe 93 PID 1016 wrote to memory of 2928 1016 cmd.exe 93 PID 1016 wrote to memory of 2928 1016 cmd.exe 93 PID 1548 wrote to memory of 1984 1548 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 94 PID 1548 wrote to memory of 1984 1548 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 94 PID 1548 wrote to memory of 1984 1548 3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe 94 PID 1984 wrote to memory of 3704 1984 csrsll.exe 101 PID 1984 wrote to memory of 3704 1984 csrsll.exe 101 PID 1984 wrote to memory of 3704 1984 csrsll.exe 101 PID 1984 wrote to memory of 3704 1984 csrsll.exe 101 PID 1984 wrote to memory of 3704 1984 csrsll.exe 101 PID 1984 wrote to memory of 3704 1984 csrsll.exe 101 PID 1984 wrote to memory of 3704 1984 csrsll.exe 101 PID 1984 wrote to memory of 3704 1984 csrsll.exe 101 PID 1984 wrote to memory of 4856 1984 csrsll.exe 102 PID 1984 wrote to memory of 4856 1984 csrsll.exe 102 PID 1984 wrote to memory of 4856 1984 csrsll.exe 102 PID 1984 wrote to memory of 4856 1984 csrsll.exe 102 PID 1984 wrote to memory of 4856 1984 csrsll.exe 102 PID 1984 wrote to memory of 4856 1984 csrsll.exe 102 PID 1984 wrote to memory of 4856 1984 csrsll.exe 102 PID 1984 wrote to memory of 4856 1984 csrsll.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe"C:\Users\Admin\AppData\Local\Temp\3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3420 -
C:\Users\Admin\AppData\Local\Temp\3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe"C:\Users\Admin\AppData\Local\Temp\3aac43e90cd3b284be1ee14fd576301fc20c234aa603ab1bec463b4f199267c9N.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1548 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CDWUD.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1016 -
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:2928
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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:1984 -
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:3704
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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:4856
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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
MD59bf506f4641ba55f37b072b02370f469
SHA1ada0bfb3d97418ee4b802ef83fe1b02f6972717d
SHA25663d4250d1812ae56fda1b641c8a7434beaf2e10fce6a59fe9cb1c97776be9644
SHA512d0c47b4f59506ac9e2ed3d6e255f41ec6a19ecfc79c1d441c7ee05407f92ed0e38e02de3c7786eedc5cf5d3cf253390cc3f26e0e14419bbd6da7a6ade68ada09