Analysis
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max time kernel
149s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 04:57
Behavioral task
behavioral1
Sample
c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe
Resource
win10v2004-20241007-en
General
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Target
c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe
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Size
90KB
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MD5
c7dc699a5a1ae692c90a93072dc68bb8
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SHA1
278fe0d2dfb55deb3ed4cbb42c51307bbfd7682d
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SHA256
c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e
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SHA512
85d9ac7e0f89fcbe50bc1ed682e4bd5f7d4af674a2f3e5d82f4b72f53247a0b10a7d170b727ddd3942d2fc10b9f3f88e7670c4ad6bc45c264bdbc243be42f56d
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD1:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3X
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/1616-266-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2028 csrsll.exe 1900 csrsll.exe 1616 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 3000 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 3000 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 3000 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 3000 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 3000 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.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 2100 set thread context of 3000 2100 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 30 PID 2028 set thread context of 1900 2028 csrsll.exe 35 PID 2028 set thread context of 1616 2028 csrsll.exe 36 -
resource yara_rule behavioral1/memory/2100-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2100-93-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2100-84-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3000-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2100-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3000-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3000-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2100-83-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2100-80-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2100-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2100-37-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3000-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3000-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3000-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3000-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3000-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000c000000012263-135.dat upx behavioral1/memory/3000-137-0x0000000002840000-0x0000000002893000-memory.dmp upx behavioral1/memory/3000-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2028-216-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1616-254-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2028-257-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3000-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1900-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1616-266-0x0000000000400000-0x0000000000414000-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 csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.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 -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe Token: SeDebugPrivilege 1900 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2100 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 3000 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 2028 csrsll.exe 1900 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2100 wrote to memory of 3000 2100 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 30 PID 2100 wrote to memory of 3000 2100 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 30 PID 2100 wrote to memory of 3000 2100 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 30 PID 2100 wrote to memory of 3000 2100 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 30 PID 2100 wrote to memory of 3000 2100 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 30 PID 2100 wrote to memory of 3000 2100 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 30 PID 2100 wrote to memory of 3000 2100 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 30 PID 2100 wrote to memory of 3000 2100 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 30 PID 3000 wrote to memory of 2764 3000 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 31 PID 3000 wrote to memory of 2764 3000 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 31 PID 3000 wrote to memory of 2764 3000 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 31 PID 3000 wrote to memory of 2764 3000 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 31 PID 2764 wrote to memory of 2872 2764 cmd.exe 33 PID 2764 wrote to memory of 2872 2764 cmd.exe 33 PID 2764 wrote to memory of 2872 2764 cmd.exe 33 PID 2764 wrote to memory of 2872 2764 cmd.exe 33 PID 3000 wrote to memory of 2028 3000 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 34 PID 3000 wrote to memory of 2028 3000 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 34 PID 3000 wrote to memory of 2028 3000 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 34 PID 3000 wrote to memory of 2028 3000 c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe 34 PID 2028 wrote to memory of 1900 2028 csrsll.exe 35 PID 2028 wrote to memory of 1900 2028 csrsll.exe 35 PID 2028 wrote to memory of 1900 2028 csrsll.exe 35 PID 2028 wrote to memory of 1900 2028 csrsll.exe 35 PID 2028 wrote to memory of 1900 2028 csrsll.exe 35 PID 2028 wrote to memory of 1900 2028 csrsll.exe 35 PID 2028 wrote to memory of 1900 2028 csrsll.exe 35 PID 2028 wrote to memory of 1900 2028 csrsll.exe 35 PID 2028 wrote to memory of 1616 2028 csrsll.exe 36 PID 2028 wrote to memory of 1616 2028 csrsll.exe 36 PID 2028 wrote to memory of 1616 2028 csrsll.exe 36 PID 2028 wrote to memory of 1616 2028 csrsll.exe 36 PID 2028 wrote to memory of 1616 2028 csrsll.exe 36 PID 2028 wrote to memory of 1616 2028 csrsll.exe 36 PID 2028 wrote to memory of 1616 2028 csrsll.exe 36 PID 2028 wrote to memory of 1616 2028 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe"C:\Users\Admin\AppData\Local\Temp\c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Users\Admin\AppData\Local\Temp\c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe"C:\Users\Admin\AppData\Local\Temp\c0f3115fe31879a904358dc4bd0252abfd8c46afeda3c9234860185d0610838e.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\JRFQG.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764 -
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:2872
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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:2028 -
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:1900
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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:1616
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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
MD58e48feaacbb2cc4f832d2d802d2efc33
SHA1aeac89b9617fe8ab51c89199a3f5c9486678ec6f
SHA2566ceb2a1b4ce15c0d1560c5e0bc82083d391a71458db7a640168ebe408bd0baa5
SHA51228271599a199a929929a7ffbce44abe64e53e4cf7b9c48f97f48f52f831f82061ad473b84035dbbffc73fab3d723c55829e9ed9e8badd37ce277dd554cb1dc31