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Analysis
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max time kernel
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max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27/09/2024, 22:21
Behavioral task
behavioral1
Sample
b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe
Resource
win10v2004-20240802-en
General
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Target
b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe
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Size
326KB
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MD5
13c43ea9907a0ba765f9a953f2c7ff70
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SHA1
7090c38c2437d2c2cdd406694415c9f67f724b27
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SHA256
b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498
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SHA512
357e37575a44918c7b2e176b0c503a7bf1bf195f737d6dd67992e9fee60b39dec8b11660d5071cfd5d59b23db9893b922a7a25f74013b02ab3aaf5638fded241
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SSDEEP
3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:h0sxD5cwohO+O1sVG0/pZ6iPC8
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 Second Stage 4 IoCs
resource yara_rule behavioral2/memory/1684-52-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1684-55-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1684-53-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1684-61-0x0000000000400000-0x0000000000414000-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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe -
Executes dropped EXE 3 IoCs
pid Process 4752 csrsll.exe 1324 csrsll.exe 1684 csrsll.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\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 4112 set thread context of 4472 4112 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 82 PID 4752 set thread context of 1324 4752 csrsll.exe 95 PID 4752 set thread context of 1684 4752 csrsll.exe 96 -
resource yara_rule behavioral2/memory/4112-0-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/4112-5-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/4472-8-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4472-10-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4112-11-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/4472-12-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4472-13-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x00080000000234e2-29.dat upx behavioral2/memory/4752-36-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/4472-40-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4752-41-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/4752-42-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/1684-51-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1684-52-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1684-55-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1684-53-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1684-46-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4752-57-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral2/memory/4472-58-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1324-60-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1684-61-0x0000000000400000-0x0000000000414000-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 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 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 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe Token: SeDebugPrivilege 1324 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4112 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 4472 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 4752 csrsll.exe 1324 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 4112 wrote to memory of 4472 4112 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 82 PID 4112 wrote to memory of 4472 4112 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 82 PID 4112 wrote to memory of 4472 4112 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 82 PID 4112 wrote to memory of 4472 4112 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 82 PID 4112 wrote to memory of 4472 4112 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 82 PID 4112 wrote to memory of 4472 4112 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 82 PID 4112 wrote to memory of 4472 4112 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 82 PID 4112 wrote to memory of 4472 4112 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 82 PID 4472 wrote to memory of 5088 4472 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 87 PID 4472 wrote to memory of 5088 4472 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 87 PID 4472 wrote to memory of 5088 4472 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 87 PID 5088 wrote to memory of 1428 5088 cmd.exe 90 PID 5088 wrote to memory of 1428 5088 cmd.exe 90 PID 5088 wrote to memory of 1428 5088 cmd.exe 90 PID 4472 wrote to memory of 4752 4472 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 91 PID 4472 wrote to memory of 4752 4472 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 91 PID 4472 wrote to memory of 4752 4472 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 91 PID 4752 wrote to memory of 1324 4752 csrsll.exe 95 PID 4752 wrote to memory of 1324 4752 csrsll.exe 95 PID 4752 wrote to memory of 1324 4752 csrsll.exe 95 PID 4752 wrote to memory of 1324 4752 csrsll.exe 95 PID 4752 wrote to memory of 1324 4752 csrsll.exe 95 PID 4752 wrote to memory of 1324 4752 csrsll.exe 95 PID 4752 wrote to memory of 1324 4752 csrsll.exe 95 PID 4752 wrote to memory of 1324 4752 csrsll.exe 95 PID 4752 wrote to memory of 1684 4752 csrsll.exe 96 PID 4752 wrote to memory of 1684 4752 csrsll.exe 96 PID 4752 wrote to memory of 1684 4752 csrsll.exe 96 PID 4752 wrote to memory of 1684 4752 csrsll.exe 96 PID 4752 wrote to memory of 1684 4752 csrsll.exe 96 PID 4752 wrote to memory of 1684 4752 csrsll.exe 96 PID 4752 wrote to memory of 1684 4752 csrsll.exe 96 PID 4752 wrote to memory of 1684 4752 csrsll.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe"C:\Users\Admin\AppData\Local\Temp\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4112 -
C:\Users\Admin\AppData\Local\Temp\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe"C:\Users\Admin\AppData\Local\Temp\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HJVWE.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5088 -
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:1428
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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:4752 -
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:1324
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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
326KB
MD54bba01e02c49a39a50bd96a77e7be21d
SHA1f485fc8776108e6a13d3a2b4833eb54d3eea4531
SHA2560554f0a8b53426061cab014c5dec074496c819828c86c721bcc8a15a182b93f4
SHA512c96e79f129c7a8bc948d74e809139f770cf9fdff856147dbb6aa0236032ad4be9167c6b9e4e3b9bcda790aa66253d5a3a2a2d8b9a767da28512c1d6c6fe1e782