Analysis
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max time kernel
149s -
max time network
148s -
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 05:50
Behavioral task
behavioral1
Sample
7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe
Resource
win10v2004-20240419-en
General
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Target
7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe
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Size
90KB
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MD5
7829dd13c12b5e1cf5de0f0b69e066a0
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SHA1
b353ca4d9889674d39728be21b8e7b24bfdd4c04
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SHA256
e509fff53bbb2ac76ec56dedeef51bee2b1203f4a8564bbeab0803e2fa06946f
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SHA512
fd9e9e41905d34fddc67fa726a273209e59945eca57f5c16f1ba0d5628b89d516d0f39b147972f36f442d9048e4f2b06f05b06bb0e571721b2d0523990d1878a
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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/3908-54-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3908-57-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3908-55-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/3908-62-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 2840 csrsll.exe 2484 csrsll.exe 3908 csrsll.exe -
Processes:
resource yara_rule behavioral2/memory/4548-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/636-3-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/636-10-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/636-13-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4548-12-0x0000000000400000-0x0000000000453000-memory.dmp upx C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral2/memory/2840-37-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2840-43-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3908-45-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3908-54-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2484-56-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3908-57-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3908-55-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3908-52-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/2840-50-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/636-60-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2484-61-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3908-62-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.execsrsll.exedescription pid process target process PID 4548 set thread context of 636 4548 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe PID 2840 set thread context of 2484 2840 csrsll.exe csrsll.exe PID 2840 set thread context of 3908 2840 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 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe Token: SeDebugPrivilege 2484 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.execsrsll.execsrsll.exepid process 4548 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe 636 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe 2840 csrsll.exe 2484 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.execmd.execsrsll.exedescription pid process target process PID 4548 wrote to memory of 636 4548 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe PID 4548 wrote to memory of 636 4548 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe PID 4548 wrote to memory of 636 4548 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe PID 4548 wrote to memory of 636 4548 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe PID 4548 wrote to memory of 636 4548 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe PID 4548 wrote to memory of 636 4548 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe PID 4548 wrote to memory of 636 4548 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe PID 4548 wrote to memory of 636 4548 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe PID 636 wrote to memory of 4520 636 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe cmd.exe PID 636 wrote to memory of 4520 636 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe cmd.exe PID 636 wrote to memory of 4520 636 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe cmd.exe PID 4520 wrote to memory of 3808 4520 cmd.exe reg.exe PID 4520 wrote to memory of 3808 4520 cmd.exe reg.exe PID 4520 wrote to memory of 3808 4520 cmd.exe reg.exe PID 636 wrote to memory of 2840 636 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe csrsll.exe PID 636 wrote to memory of 2840 636 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe csrsll.exe PID 636 wrote to memory of 2840 636 7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe csrsll.exe PID 2840 wrote to memory of 2484 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 2484 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 2484 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 2484 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 2484 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 2484 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 2484 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 2484 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 3908 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 3908 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 3908 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 3908 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 3908 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 3908 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 3908 2840 csrsll.exe csrsll.exe PID 2840 wrote to memory of 3908 2840 csrsll.exe csrsll.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BVAXL.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:4520 -
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:3808 -
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:2840 -
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:2484 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:3908
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
MD55ef567104905e70bfb731a4279cfca65
SHA142508a341ab10e6192c3804ee015b6beb2530ecc
SHA25696c1df5906954563dee8ff38c33acf03840b597230449eda691e6ceae8b8608d
SHA51207533ba71e711c8bb5377e7bba7be7e35eca215999260d8c155cb6bae3596d4170aac376662ec63e41f2ae507c6cabc1b01f7754865dc964b3f2a2b6b197b717