Analysis
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max time kernel
118s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
22-12-2024 08:20
Behavioral task
behavioral1
Sample
bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe
Resource
win10v2004-20241007-en
General
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Target
bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe
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Size
90KB
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MD5
bb739cca9980e660e6cc4eb1e0431840
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SHA1
6cfc2e1325209d0914207bf1504e00a3f2eb1f77
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SHA256
bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870
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SHA512
7dd59757902202273bcfc91638d6f6d3532baaab82993e714b934295fe4604b8312214e3dd58ae1686a1b5c0804fbdf7f7cfe90c440c23ad1b45af0a02970f08
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD8:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3+
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/2276-266-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 280 csrsll.exe 1992 csrsll.exe 2276 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2728 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 2728 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 2728 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 2728 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 2728 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\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 2300 set thread context of 2728 2300 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 30 PID 280 set thread context of 1992 280 csrsll.exe 35 PID 280 set thread context of 2276 280 csrsll.exe 36 -
resource yara_rule behavioral1/memory/2300-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2300-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2300-84-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2728-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2728-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2300-102-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2728-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2728-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2300-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2300-75-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2728-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2728-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2728-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x00090000000120fe-135.dat upx behavioral1/memory/280-153-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2728-147-0x0000000001EF0000-0x0000000001F43000-memory.dmp upx behavioral1/memory/2300-156-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2728-157-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/280-216-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2276-254-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/280-256-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2728-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1992-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2276-266-0x0000000000400000-0x0000000000414000-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 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.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 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe Token: SeDebugPrivilege 1992 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2300 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 2728 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 280 csrsll.exe 1992 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2300 wrote to memory of 2728 2300 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 30 PID 2300 wrote to memory of 2728 2300 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 30 PID 2300 wrote to memory of 2728 2300 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 30 PID 2300 wrote to memory of 2728 2300 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 30 PID 2300 wrote to memory of 2728 2300 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 30 PID 2300 wrote to memory of 2728 2300 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 30 PID 2300 wrote to memory of 2728 2300 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 30 PID 2300 wrote to memory of 2728 2300 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 30 PID 2728 wrote to memory of 2320 2728 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 31 PID 2728 wrote to memory of 2320 2728 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 31 PID 2728 wrote to memory of 2320 2728 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 31 PID 2728 wrote to memory of 2320 2728 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 31 PID 2320 wrote to memory of 2628 2320 cmd.exe 33 PID 2320 wrote to memory of 2628 2320 cmd.exe 33 PID 2320 wrote to memory of 2628 2320 cmd.exe 33 PID 2320 wrote to memory of 2628 2320 cmd.exe 33 PID 2728 wrote to memory of 280 2728 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 34 PID 2728 wrote to memory of 280 2728 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 34 PID 2728 wrote to memory of 280 2728 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 34 PID 2728 wrote to memory of 280 2728 bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe 34 PID 280 wrote to memory of 1992 280 csrsll.exe 35 PID 280 wrote to memory of 1992 280 csrsll.exe 35 PID 280 wrote to memory of 1992 280 csrsll.exe 35 PID 280 wrote to memory of 1992 280 csrsll.exe 35 PID 280 wrote to memory of 1992 280 csrsll.exe 35 PID 280 wrote to memory of 1992 280 csrsll.exe 35 PID 280 wrote to memory of 1992 280 csrsll.exe 35 PID 280 wrote to memory of 1992 280 csrsll.exe 35 PID 280 wrote to memory of 2276 280 csrsll.exe 36 PID 280 wrote to memory of 2276 280 csrsll.exe 36 PID 280 wrote to memory of 2276 280 csrsll.exe 36 PID 280 wrote to memory of 2276 280 csrsll.exe 36 PID 280 wrote to memory of 2276 280 csrsll.exe 36 PID 280 wrote to memory of 2276 280 csrsll.exe 36 PID 280 wrote to memory of 2276 280 csrsll.exe 36 PID 280 wrote to memory of 2276 280 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe"C:\Users\Admin\AppData\Local\Temp\bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Users\Admin\AppData\Local\Temp\bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe"C:\Users\Admin\AppData\Local\Temp\bc1fcab010809d4b488ef87f750c45c48a4c4b6bf953523d93ebb73a35946870N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\ADTPQ.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320 -
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:2628
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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:280 -
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:1992
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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:2276
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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
MD5cd94e0742b78b786e3e5d4f68422a15d
SHA10446ef327defded24414baba3c61e0090d943455
SHA256922b04f4f1e1d74d407418f24b9b9e42e6052928b05fb2fe505d7a344a19a46c
SHA5128f666fe9ea99e4b6c596ca3551fa9a24f58706f7839e4894f161affb63a5c41a2f2ee92d5f5b0d9ffa45c0f1f55fad719031dc2855b20be7859a67db3c367aa9