Analysis
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max time kernel
149s -
max time network
149s -
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 16:41
Behavioral task
behavioral1
Sample
df90303b419a6e98df4cf992845f0380_NEAS.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
df90303b419a6e98df4cf992845f0380_NEAS.exe
Resource
win10v2004-20240419-en
General
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Target
df90303b419a6e98df4cf992845f0380_NEAS.exe
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Size
90KB
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MD5
df90303b419a6e98df4cf992845f0380
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SHA1
b93a69134b7243f89c274e538ea6e50cc625f4cc
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SHA256
32ff70c4f0a9d2aab2447b0a5646efb6ef674a21e3c2f349c054d1aa3e8c7c82
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SHA512
a7c0b997e31675538c9a8d70fbba8c36fda6b5b9daeb72b5b4d977f3cfbdd7cdb8bb2865e6c6abb5b3657e4acad13e40ab3872b2167c8f3e440e9dbfd90d820b
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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 4 IoCs
Processes:
resource yara_rule behavioral2/memory/4036-50-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4036-51-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4036-52-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/4036-59-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
df90303b419a6e98df4cf992845f0380_NEAS.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation df90303b419a6e98df4cf992845f0380_NEAS.exe -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 4408 csrsll.exe 4344 csrsll.exe 4036 csrsll.exe -
Processes:
resource yara_rule behavioral2/memory/4632-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/456-3-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4632-4-0x0000000002900000-0x0000000002902000-memory.dmp upx behavioral2/memory/456-8-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4632-10-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/456-11-0x0000000000400000-0x000000000040B000-memory.dmp upx C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral2/memory/4408-34-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/4036-40-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4036-48-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4036-50-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4036-51-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4036-52-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/4408-46-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/456-57-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4344-58-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4036-59-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
df90303b419a6e98df4cf992845f0380_NEAS.execsrsll.exedescription pid process target process PID 4632 set thread context of 456 4632 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 4408 set thread context of 4344 4408 csrsll.exe csrsll.exe PID 4408 set thread context of 4036 4408 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 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe Token: SeDebugPrivilege 4344 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
df90303b419a6e98df4cf992845f0380_NEAS.exedf90303b419a6e98df4cf992845f0380_NEAS.execsrsll.execsrsll.exepid process 4632 df90303b419a6e98df4cf992845f0380_NEAS.exe 456 df90303b419a6e98df4cf992845f0380_NEAS.exe 4408 csrsll.exe 4344 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
df90303b419a6e98df4cf992845f0380_NEAS.exedf90303b419a6e98df4cf992845f0380_NEAS.execmd.execsrsll.exedescription pid process target process PID 4632 wrote to memory of 456 4632 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 4632 wrote to memory of 456 4632 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 4632 wrote to memory of 456 4632 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 4632 wrote to memory of 456 4632 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 4632 wrote to memory of 456 4632 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 4632 wrote to memory of 456 4632 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 4632 wrote to memory of 456 4632 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 4632 wrote to memory of 456 4632 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 456 wrote to memory of 972 456 df90303b419a6e98df4cf992845f0380_NEAS.exe cmd.exe PID 456 wrote to memory of 972 456 df90303b419a6e98df4cf992845f0380_NEAS.exe cmd.exe PID 456 wrote to memory of 972 456 df90303b419a6e98df4cf992845f0380_NEAS.exe cmd.exe PID 972 wrote to memory of 532 972 cmd.exe reg.exe PID 972 wrote to memory of 532 972 cmd.exe reg.exe PID 972 wrote to memory of 532 972 cmd.exe reg.exe PID 456 wrote to memory of 4408 456 df90303b419a6e98df4cf992845f0380_NEAS.exe csrsll.exe PID 456 wrote to memory of 4408 456 df90303b419a6e98df4cf992845f0380_NEAS.exe csrsll.exe PID 456 wrote to memory of 4408 456 df90303b419a6e98df4cf992845f0380_NEAS.exe csrsll.exe PID 4408 wrote to memory of 4344 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4344 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4344 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4344 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4344 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4344 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4344 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4344 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4036 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4036 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4036 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4036 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4036 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4036 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4036 4408 csrsll.exe csrsll.exe PID 4408 wrote to memory of 4036 4408 csrsll.exe csrsll.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\df90303b419a6e98df4cf992845f0380_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\df90303b419a6e98df4cf992845f0380_NEAS.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4632 -
C:\Users\Admin\AppData\Local\Temp\df90303b419a6e98df4cf992845f0380_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\df90303b419a6e98df4cf992845f0380_NEAS.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:456 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EYCNL.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:972 -
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:532 -
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:4408 -
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:4344 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:4036
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
MD505e455195beb366fc1d556dd75e33899
SHA1aaafed79613b77dc7aade548c0491f344004d3a1
SHA25652b6a2c27a3f190a77146cf2f71d7e1fb6afdd340a32b22528adefee294d042e
SHA512b7024566c0e51aa3c005f2a5bd62adaeddf1241d7f576a3c8479d443a9ead3e8bf5e9bf8bf34cfaa7a5f6e7ebeed72da4e636e092e741df9fdc6922110848356