Analysis
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max time kernel
118s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 15:25
Behavioral task
behavioral1
Sample
b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe
Resource
win10v2004-20241007-en
General
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Target
b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe
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Size
90KB
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MD5
334376edc8aed15b6cfdc159c0bc2d30
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SHA1
028c52ab3c8ff37b39e442b7b83b8450c41c0e66
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SHA256
b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55d
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SHA512
42b7e28b11e4f2866fa455319aaabd148e0efcb6c4b0821423c6b0ab0a8922444cb29591870bebc1da4e92670456b0b2ea9459924fddc6d706fb57b613752f9b
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
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/1328-257-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1328-264-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 536 csrsll.exe 1992 csrsll.exe 1328 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2620 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 2620 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 2620 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 2620 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 2620 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.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 2172 set thread context of 2620 2172 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 30 PID 536 set thread context of 1992 536 csrsll.exe 36 PID 536 set thread context of 1328 536 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2172-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2172-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2172-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2172-87-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2172-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2172-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2172-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0008000000012117-133.dat upx behavioral1/memory/536-152-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-135-0x0000000003220000-0x0000000003273000-memory.dmp upx behavioral1/memory/2172-155-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/536-214-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1328-257-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1992-256-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/536-259-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1992-263-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1328-264-0x0000000000400000-0x0000000000414000-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 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.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 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 2172 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 2620 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 536 csrsll.exe 1992 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2172 wrote to memory of 2620 2172 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 30 PID 2172 wrote to memory of 2620 2172 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 30 PID 2172 wrote to memory of 2620 2172 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 30 PID 2172 wrote to memory of 2620 2172 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 30 PID 2172 wrote to memory of 2620 2172 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 30 PID 2172 wrote to memory of 2620 2172 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 30 PID 2172 wrote to memory of 2620 2172 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 30 PID 2172 wrote to memory of 2620 2172 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 30 PID 2620 wrote to memory of 1668 2620 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 31 PID 2620 wrote to memory of 1668 2620 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 31 PID 2620 wrote to memory of 1668 2620 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 31 PID 2620 wrote to memory of 1668 2620 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 31 PID 1668 wrote to memory of 1724 1668 cmd.exe 33 PID 1668 wrote to memory of 1724 1668 cmd.exe 33 PID 1668 wrote to memory of 1724 1668 cmd.exe 33 PID 1668 wrote to memory of 1724 1668 cmd.exe 33 PID 2620 wrote to memory of 536 2620 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 34 PID 2620 wrote to memory of 536 2620 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 34 PID 2620 wrote to memory of 536 2620 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 34 PID 2620 wrote to memory of 536 2620 b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe 34 PID 536 wrote to memory of 1992 536 csrsll.exe 36 PID 536 wrote to memory of 1992 536 csrsll.exe 36 PID 536 wrote to memory of 1992 536 csrsll.exe 36 PID 536 wrote to memory of 1992 536 csrsll.exe 36 PID 536 wrote to memory of 1992 536 csrsll.exe 36 PID 536 wrote to memory of 1992 536 csrsll.exe 36 PID 536 wrote to memory of 1992 536 csrsll.exe 36 PID 536 wrote to memory of 1992 536 csrsll.exe 36 PID 536 wrote to memory of 1328 536 csrsll.exe 37 PID 536 wrote to memory of 1328 536 csrsll.exe 37 PID 536 wrote to memory of 1328 536 csrsll.exe 37 PID 536 wrote to memory of 1328 536 csrsll.exe 37 PID 536 wrote to memory of 1328 536 csrsll.exe 37 PID 536 wrote to memory of 1328 536 csrsll.exe 37 PID 536 wrote to memory of 1328 536 csrsll.exe 37 PID 536 wrote to memory of 1328 536 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe"C:\Users\Admin\AppData\Local\Temp\b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Users\Admin\AppData\Local\Temp\b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe"C:\Users\Admin\AppData\Local\Temp\b224dbf5bbf6ebde7f7c43b0ffde8cfa12f2ea0a3b84cb31991c352fe93ca55dN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\KEJXG.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1668 -
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:1724
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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:536 -
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:1328
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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
MD5bfebfa1e0ca0d3fa48789338984cd642
SHA13c8533f3116b49401a1bcda0e85f36f9d513a9cd
SHA256e18ef9c76e1377190afcd71c233832c941941155c67881d1f33933299b98b84b
SHA512f30375e90565a3443fea4912994a269ada7a9e7771041365f08869ee1180478509ea49919906155449b53c7e0010dd6e75413c535b62da5bf88ed9e6e64f89a7