Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2024 12:45
Behavioral task
behavioral1
Sample
863aa7600167704c4c8f6f73118584e0_NEAS.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
863aa7600167704c4c8f6f73118584e0_NEAS.exe
Resource
win10v2004-20240419-en
General
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Target
863aa7600167704c4c8f6f73118584e0_NEAS.exe
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Size
90KB
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MD5
863aa7600167704c4c8f6f73118584e0
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SHA1
d9ca386c22f0fb5400a8b92e94012822ec6926d0
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SHA256
a25d757e31be69503740505aa15e3535499d17669b104b91ab191b434f957abf
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SHA512
81eed09a5f4ae8f951938d2b4f67cfbd29f89aa681294ed5ccd968815c8ce3601b4f1e24872c914a7745856bde88e1f5446d93da01cb51c6dfc6cc6045350b64
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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 Second Stage 5 IoCs
Processes:
resource yara_rule behavioral2/memory/688-55-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/688-54-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/688-53-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/688-51-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/688-61-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
863aa7600167704c4c8f6f73118584e0_NEAS.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation 863aa7600167704c4c8f6f73118584e0_NEAS.exe -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 2508 csrsll.exe 3736 csrsll.exe 688 csrsll.exe -
Processes:
resource yara_rule behavioral2/memory/1384-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/396-3-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1384-12-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/396-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/396-10-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1384-6-0x00000000021D0000-0x00000000021D2000-memory.dmp upx C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral2/memory/2508-36-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/688-43-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/688-55-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/688-54-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/396-59-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/688-53-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3736-52-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/688-51-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/688-49-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2508-46-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3736-60-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/688-61-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
863aa7600167704c4c8f6f73118584e0_NEAS.execsrsll.exedescription pid process target process PID 1384 set thread context of 396 1384 863aa7600167704c4c8f6f73118584e0_NEAS.exe 863aa7600167704c4c8f6f73118584e0_NEAS.exe PID 2508 set thread context of 3736 2508 csrsll.exe csrsll.exe PID 2508 set thread context of 688 2508 csrsll.exe csrsll.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
csrsll.exedescription pid process Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe Token: SeDebugPrivilege 3736 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
863aa7600167704c4c8f6f73118584e0_NEAS.exe863aa7600167704c4c8f6f73118584e0_NEAS.execsrsll.execsrsll.exepid process 1384 863aa7600167704c4c8f6f73118584e0_NEAS.exe 396 863aa7600167704c4c8f6f73118584e0_NEAS.exe 2508 csrsll.exe 3736 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
863aa7600167704c4c8f6f73118584e0_NEAS.exe863aa7600167704c4c8f6f73118584e0_NEAS.execmd.execsrsll.exedescription pid process target process PID 1384 wrote to memory of 396 1384 863aa7600167704c4c8f6f73118584e0_NEAS.exe 863aa7600167704c4c8f6f73118584e0_NEAS.exe PID 1384 wrote to memory of 396 1384 863aa7600167704c4c8f6f73118584e0_NEAS.exe 863aa7600167704c4c8f6f73118584e0_NEAS.exe PID 1384 wrote to memory of 396 1384 863aa7600167704c4c8f6f73118584e0_NEAS.exe 863aa7600167704c4c8f6f73118584e0_NEAS.exe PID 1384 wrote to memory of 396 1384 863aa7600167704c4c8f6f73118584e0_NEAS.exe 863aa7600167704c4c8f6f73118584e0_NEAS.exe PID 1384 wrote to memory of 396 1384 863aa7600167704c4c8f6f73118584e0_NEAS.exe 863aa7600167704c4c8f6f73118584e0_NEAS.exe PID 1384 wrote to memory of 396 1384 863aa7600167704c4c8f6f73118584e0_NEAS.exe 863aa7600167704c4c8f6f73118584e0_NEAS.exe PID 1384 wrote to memory of 396 1384 863aa7600167704c4c8f6f73118584e0_NEAS.exe 863aa7600167704c4c8f6f73118584e0_NEAS.exe PID 1384 wrote to memory of 396 1384 863aa7600167704c4c8f6f73118584e0_NEAS.exe 863aa7600167704c4c8f6f73118584e0_NEAS.exe PID 396 wrote to memory of 2184 396 863aa7600167704c4c8f6f73118584e0_NEAS.exe cmd.exe PID 396 wrote to memory of 2184 396 863aa7600167704c4c8f6f73118584e0_NEAS.exe cmd.exe PID 396 wrote to memory of 2184 396 863aa7600167704c4c8f6f73118584e0_NEAS.exe cmd.exe PID 2184 wrote to memory of 424 2184 cmd.exe reg.exe PID 2184 wrote to memory of 424 2184 cmd.exe reg.exe PID 2184 wrote to memory of 424 2184 cmd.exe reg.exe PID 396 wrote to memory of 2508 396 863aa7600167704c4c8f6f73118584e0_NEAS.exe csrsll.exe PID 396 wrote to memory of 2508 396 863aa7600167704c4c8f6f73118584e0_NEAS.exe csrsll.exe PID 396 wrote to memory of 2508 396 863aa7600167704c4c8f6f73118584e0_NEAS.exe csrsll.exe PID 2508 wrote to memory of 3736 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 3736 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 3736 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 3736 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 3736 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 3736 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 3736 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 3736 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 688 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 688 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 688 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 688 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 688 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 688 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 688 2508 csrsll.exe csrsll.exe PID 2508 wrote to memory of 688 2508 csrsll.exe csrsll.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\863aa7600167704c4c8f6f73118584e0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\863aa7600167704c4c8f6f73118584e0_NEAS.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1384 -
C:\Users\Admin\AppData\Local\Temp\863aa7600167704c4c8f6f73118584e0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\863aa7600167704c4c8f6f73118584e0_NEAS.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FRVSG.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:2184 -
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
PID:424 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3736 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:688
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
MD5f33ffd5009612a1d23099265cb9dab77
SHA109783b6f41c4a64fec9f6d084e1854c063d5564e
SHA256a5eba13e348b4b038542a7ff9cc9f162541267db88bab6212b6de7ccf630dd62
SHA512eb33b8bee119420495cb7b7978663dce8b65bebd69a22b5cb7d4b433412e76405186dc1e28fa44185cb8cc0957015a7d0cc9231fada0421d00952a2d44c48305