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Analysis
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max time kernel
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max time network
118s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
22/12/2024, 14:12
Behavioral task
behavioral1
Sample
f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe
Resource
win10v2004-20241007-en
General
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Target
f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe
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Size
90KB
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MD5
8cf135487e3e02d672d600476ef9dee1
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SHA1
5204d03dd70a9f48bc3806b8bed283b39f94ba54
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SHA256
f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7
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SHA512
933f9bf8ddd9362f9c83b9aa836a1a66e4a225dee5798b8baf0d2c158573d3fc4b082316358393f680701a2fe95f77a9eb7e45e9e27b6bbab942e8dde0cecb36
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDJ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3r
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/2688-257-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/2688-264-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 3008 csrsll.exe 1324 csrsll.exe 2688 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2720 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 2720 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 2720 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 2720 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 2720 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.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 2444 set thread context of 2720 2444 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 30 PID 3008 set thread context of 1324 3008 csrsll.exe 36 PID 3008 set thread context of 2688 3008 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2444-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2444-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2444-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2720-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2720-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2720-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2720-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2444-102-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2720-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2720-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2444-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2720-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2444-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x000a00000001202b-132.dat upx behavioral1/memory/3008-152-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2720-146-0x0000000003230000-0x0000000003283000-memory.dmp upx behavioral1/memory/2720-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3008-227-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2688-257-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2720-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3008-255-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1324-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2688-264-0x0000000000400000-0x0000000000414000-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 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.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 -
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 2444 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 2720 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 3008 csrsll.exe 1324 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2444 wrote to memory of 2720 2444 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 30 PID 2444 wrote to memory of 2720 2444 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 30 PID 2444 wrote to memory of 2720 2444 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 30 PID 2444 wrote to memory of 2720 2444 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 30 PID 2444 wrote to memory of 2720 2444 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 30 PID 2444 wrote to memory of 2720 2444 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 30 PID 2444 wrote to memory of 2720 2444 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 30 PID 2444 wrote to memory of 2720 2444 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 30 PID 2720 wrote to memory of 2764 2720 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 31 PID 2720 wrote to memory of 2764 2720 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 31 PID 2720 wrote to memory of 2764 2720 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 31 PID 2720 wrote to memory of 2764 2720 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 31 PID 2764 wrote to memory of 2772 2764 cmd.exe 33 PID 2764 wrote to memory of 2772 2764 cmd.exe 33 PID 2764 wrote to memory of 2772 2764 cmd.exe 33 PID 2764 wrote to memory of 2772 2764 cmd.exe 33 PID 2720 wrote to memory of 3008 2720 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 34 PID 2720 wrote to memory of 3008 2720 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 34 PID 2720 wrote to memory of 3008 2720 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 34 PID 2720 wrote to memory of 3008 2720 f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe 34 PID 3008 wrote to memory of 1324 3008 csrsll.exe 36 PID 3008 wrote to memory of 1324 3008 csrsll.exe 36 PID 3008 wrote to memory of 1324 3008 csrsll.exe 36 PID 3008 wrote to memory of 1324 3008 csrsll.exe 36 PID 3008 wrote to memory of 1324 3008 csrsll.exe 36 PID 3008 wrote to memory of 1324 3008 csrsll.exe 36 PID 3008 wrote to memory of 1324 3008 csrsll.exe 36 PID 3008 wrote to memory of 1324 3008 csrsll.exe 36 PID 3008 wrote to memory of 2688 3008 csrsll.exe 37 PID 3008 wrote to memory of 2688 3008 csrsll.exe 37 PID 3008 wrote to memory of 2688 3008 csrsll.exe 37 PID 3008 wrote to memory of 2688 3008 csrsll.exe 37 PID 3008 wrote to memory of 2688 3008 csrsll.exe 37 PID 3008 wrote to memory of 2688 3008 csrsll.exe 37 PID 3008 wrote to memory of 2688 3008 csrsll.exe 37 PID 3008 wrote to memory of 2688 3008 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe"C:\Users\Admin\AppData\Local\Temp\f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Users\Admin\AppData\Local\Temp\f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe"C:\Users\Admin\AppData\Local\Temp\f81c0073a03787926fcbe9706e4eb0545f942606a19c94d3c261a756a9f16bf7.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\PUGEI.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:2772
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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:3008 -
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:2688
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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
MD56b15f9677bdd5905aa75f2adaf8360a6
SHA1de85fcfe1733a33fb71af6ef6c290b492f8cb074
SHA256a32a2cbbee7509050157832eff9b76453193e49224c9c3d12cefa757dfec5b50
SHA51206e49603a25de03319c1f06e871464d312b0f7b450b3bf912acf997ba8d08e58a1613ad2939cc24f982bda8251f2a4063889d64ec8c1a494b95fab6b00a84996