Analysis
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max time kernel
119s -
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
07-01-2025 01:25
Behavioral task
behavioral1
Sample
cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe
Resource
win10v2004-20241007-en
General
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Target
cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe
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Size
90KB
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MD5
6d86b23fdbed19fde81cedc5c5757438
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SHA1
1ea64e9fce440cbc61ee9931063250fc7ae32e42
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SHA256
cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc
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SHA512
cf2b3cd9afadc7cfea1327e5ad5425e4b60a7767075b0402bc316d0238644830a44b7a24fe27f100e475c7d48975bfe30e2350b7b3bfb326426d144208a967a4
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDn:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Z
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 2 IoCs
resource yara_rule behavioral1/memory/1636-265-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1636-267-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1548 csrsll.exe 1552 csrsll.exe 1636 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2612 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 2612 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 2612 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 2612 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 2612 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\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 2076 set thread context of 2612 2076 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 31 PID 1548 set thread context of 1552 1548 csrsll.exe 36 PID 1548 set thread context of 1636 1548 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2076-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2076-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2076-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2076-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2076-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2076-73-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2076-53-0x0000000000510000-0x0000000000610000-memory.dmp upx behavioral1/memory/2076-108-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2612-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2076-106-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2612-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2612-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2612-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2612-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2612-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0008000000018784-135.dat upx behavioral1/memory/2612-137-0x00000000032A0000-0x00000000032F3000-memory.dmp upx behavioral1/memory/1548-155-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2612-158-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1548-218-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1548-254-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1636-265-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1552-264-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2612-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1552-266-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1636-267-0x0000000000400000-0x0000000000414000-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 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe Token: SeDebugPrivilege 1552 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2076 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 2612 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 1548 csrsll.exe 1552 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2076 wrote to memory of 2612 2076 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 31 PID 2076 wrote to memory of 2612 2076 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 31 PID 2076 wrote to memory of 2612 2076 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 31 PID 2076 wrote to memory of 2612 2076 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 31 PID 2076 wrote to memory of 2612 2076 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 31 PID 2076 wrote to memory of 2612 2076 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 31 PID 2076 wrote to memory of 2612 2076 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 31 PID 2076 wrote to memory of 2612 2076 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 31 PID 2612 wrote to memory of 2532 2612 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 32 PID 2612 wrote to memory of 2532 2612 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 32 PID 2612 wrote to memory of 2532 2612 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 32 PID 2612 wrote to memory of 2532 2612 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 32 PID 2532 wrote to memory of 1284 2532 cmd.exe 34 PID 2532 wrote to memory of 1284 2532 cmd.exe 34 PID 2532 wrote to memory of 1284 2532 cmd.exe 34 PID 2532 wrote to memory of 1284 2532 cmd.exe 34 PID 2612 wrote to memory of 1548 2612 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 35 PID 2612 wrote to memory of 1548 2612 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 35 PID 2612 wrote to memory of 1548 2612 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 35 PID 2612 wrote to memory of 1548 2612 cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe 35 PID 1548 wrote to memory of 1552 1548 csrsll.exe 36 PID 1548 wrote to memory of 1552 1548 csrsll.exe 36 PID 1548 wrote to memory of 1552 1548 csrsll.exe 36 PID 1548 wrote to memory of 1552 1548 csrsll.exe 36 PID 1548 wrote to memory of 1552 1548 csrsll.exe 36 PID 1548 wrote to memory of 1552 1548 csrsll.exe 36 PID 1548 wrote to memory of 1552 1548 csrsll.exe 36 PID 1548 wrote to memory of 1552 1548 csrsll.exe 36 PID 1548 wrote to memory of 1636 1548 csrsll.exe 37 PID 1548 wrote to memory of 1636 1548 csrsll.exe 37 PID 1548 wrote to memory of 1636 1548 csrsll.exe 37 PID 1548 wrote to memory of 1636 1548 csrsll.exe 37 PID 1548 wrote to memory of 1636 1548 csrsll.exe 37 PID 1548 wrote to memory of 1636 1548 csrsll.exe 37 PID 1548 wrote to memory of 1636 1548 csrsll.exe 37 PID 1548 wrote to memory of 1636 1548 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe"C:\Users\Admin\AppData\Local\Temp\cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2076 -
C:\Users\Admin\AppData\Local\Temp\cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe"C:\Users\Admin\AppData\Local\Temp\cb4327ee285771ef6230a03581b84c6443875601a36eaf488a8c8843a89e54cc.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\OACFQ.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532 -
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:1284
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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:1548 -
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:1552
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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:1636
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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
MD58b29299b71085b0230ab8df345443661
SHA1fd8e8bb16ebcdf1e162a86f7a43b6f0173406b1f
SHA25608640cb836af967b16177c3746805df7c509ef488f3f55b63dbc6db3be396a79
SHA512da3d32e5e72b0ac457e27f76fa9032bc967d02c1a9539239383de4eee4a36eadca592b97cf7f2a156304c1277fc990c8fe6943bde99c44e966751bd05a84e964