Analysis
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max time kernel
149s -
max time network
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platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-12-2024 16:36
Behavioral task
behavioral1
Sample
b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe
Resource
win10v2004-20241007-en
General
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Target
b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe
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Size
90KB
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MD5
845b73f97078eddbdc8e3a73d0def301
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SHA1
003de6eb521f005c59323de33372ae0f695f8ca2
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SHA256
b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6
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SHA512
96ebebfd8d6dba585174b87994f5ab042cdb5d00a61a1f3f2b9f4f112fde3b079253c7be90bb69639c0e08962bfe972c5d3998c8a76923b164cd66de65efc241
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD9:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE33
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/1712-264-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2292 csrsll.exe 372 csrsll.exe 1712 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2860 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 2860 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 2860 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 2860 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 2860 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.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 2684 set thread context of 2860 2684 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 31 PID 2292 set thread context of 372 2292 csrsll.exe 36 PID 2292 set thread context of 1712 2292 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2684-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2684-93-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2860-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2684-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2860-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2860-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2684-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2684-87-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2684-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2860-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2684-107-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2684-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2684-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2860-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2860-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0005000000004ed7-135.dat upx behavioral1/memory/2860-137-0x00000000030C0000-0x0000000003113000-memory.dmp upx behavioral1/memory/2860-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2292-218-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1712-254-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2860-257-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2292-253-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/372-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1712-264-0x0000000000400000-0x0000000000414000-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 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 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe Token: SeDebugPrivilege 372 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2684 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 2860 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 2292 csrsll.exe 372 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2684 wrote to memory of 2860 2684 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 31 PID 2684 wrote to memory of 2860 2684 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 31 PID 2684 wrote to memory of 2860 2684 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 31 PID 2684 wrote to memory of 2860 2684 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 31 PID 2684 wrote to memory of 2860 2684 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 31 PID 2684 wrote to memory of 2860 2684 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 31 PID 2684 wrote to memory of 2860 2684 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 31 PID 2684 wrote to memory of 2860 2684 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 31 PID 2860 wrote to memory of 328 2860 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 32 PID 2860 wrote to memory of 328 2860 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 32 PID 2860 wrote to memory of 328 2860 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 32 PID 2860 wrote to memory of 328 2860 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 32 PID 328 wrote to memory of 2792 328 cmd.exe 34 PID 328 wrote to memory of 2792 328 cmd.exe 34 PID 328 wrote to memory of 2792 328 cmd.exe 34 PID 328 wrote to memory of 2792 328 cmd.exe 34 PID 2860 wrote to memory of 2292 2860 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 35 PID 2860 wrote to memory of 2292 2860 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 35 PID 2860 wrote to memory of 2292 2860 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 35 PID 2860 wrote to memory of 2292 2860 b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe 35 PID 2292 wrote to memory of 372 2292 csrsll.exe 36 PID 2292 wrote to memory of 372 2292 csrsll.exe 36 PID 2292 wrote to memory of 372 2292 csrsll.exe 36 PID 2292 wrote to memory of 372 2292 csrsll.exe 36 PID 2292 wrote to memory of 372 2292 csrsll.exe 36 PID 2292 wrote to memory of 372 2292 csrsll.exe 36 PID 2292 wrote to memory of 372 2292 csrsll.exe 36 PID 2292 wrote to memory of 372 2292 csrsll.exe 36 PID 2292 wrote to memory of 1712 2292 csrsll.exe 37 PID 2292 wrote to memory of 1712 2292 csrsll.exe 37 PID 2292 wrote to memory of 1712 2292 csrsll.exe 37 PID 2292 wrote to memory of 1712 2292 csrsll.exe 37 PID 2292 wrote to memory of 1712 2292 csrsll.exe 37 PID 2292 wrote to memory of 1712 2292 csrsll.exe 37 PID 2292 wrote to memory of 1712 2292 csrsll.exe 37 PID 2292 wrote to memory of 1712 2292 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe"C:\Users\Admin\AppData\Local\Temp\b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Users\Admin\AppData\Local\Temp\b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe"C:\Users\Admin\AppData\Local\Temp\b8a15fb147e3b48f2f998009ef7a21c7382e28eeb45e5da04952b3fed3a519f6.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\HGUBK.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:328 -
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:2792
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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:2292 -
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:372
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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:1712
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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
MD5e2487e270f952e558bab670725540872
SHA1fa00a1e7201d45d11866fd8926989472d4000dd3
SHA25693fdfcb36e6774336e29509fc2155c10a07b06b807815f9538b0d3ac2b1075c6
SHA51261357d3a17292909d4214a14ac321fdaa310ab173ae2b04e6de2b2886a9cda8b2788c573366f97952f93873d288d8d60bc56ba1bd7cd036d8f0dad37a9511a61