Analysis
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max time kernel
149s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 1 IoCs
Processes:
resource yara_rule behavioral1/memory/988-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 892 csrsll.exe 596 csrsll.exe 988 csrsll.exe -
Loads dropped DLL 5 IoCs
Processes:
df90303b419a6e98df4cf992845f0380_NEAS.exepid process 2740 df90303b419a6e98df4cf992845f0380_NEAS.exe 2740 df90303b419a6e98df4cf992845f0380_NEAS.exe 2740 df90303b419a6e98df4cf992845f0380_NEAS.exe 2740 df90303b419a6e98df4cf992845f0380_NEAS.exe 2740 df90303b419a6e98df4cf992845f0380_NEAS.exe -
Processes:
resource yara_rule behavioral1/memory/1888-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1888-85-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1888-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2740-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2740-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2740-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1888-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2740-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2740-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2740-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1888-93-0x0000000002600000-0x0000000002653000-memory.dmp upx behavioral1/memory/1888-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1888-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1888-78-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2740-111-0x0000000000400000-0x000000000040B000-memory.dmp upx \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral1/memory/2740-148-0x0000000003310000-0x0000000003363000-memory.dmp upx behavioral1/memory/892-153-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/892-249-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/988-247-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/892-246-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2740-254-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/988-262-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/596-263-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\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 1888 set thread context of 2740 1888 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 892 set thread context of 596 892 csrsll.exe csrsll.exe PID 892 set thread context of 988 892 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 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe Token: SeDebugPrivilege 596 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
df90303b419a6e98df4cf992845f0380_NEAS.exedf90303b419a6e98df4cf992845f0380_NEAS.execsrsll.execsrsll.exepid process 1888 df90303b419a6e98df4cf992845f0380_NEAS.exe 2740 df90303b419a6e98df4cf992845f0380_NEAS.exe 892 csrsll.exe 596 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
df90303b419a6e98df4cf992845f0380_NEAS.exedf90303b419a6e98df4cf992845f0380_NEAS.execmd.execsrsll.exedescription pid process target process PID 1888 wrote to memory of 2740 1888 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 1888 wrote to memory of 2740 1888 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 1888 wrote to memory of 2740 1888 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 1888 wrote to memory of 2740 1888 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 1888 wrote to memory of 2740 1888 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 1888 wrote to memory of 2740 1888 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 1888 wrote to memory of 2740 1888 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 1888 wrote to memory of 2740 1888 df90303b419a6e98df4cf992845f0380_NEAS.exe df90303b419a6e98df4cf992845f0380_NEAS.exe PID 2740 wrote to memory of 2284 2740 df90303b419a6e98df4cf992845f0380_NEAS.exe cmd.exe PID 2740 wrote to memory of 2284 2740 df90303b419a6e98df4cf992845f0380_NEAS.exe cmd.exe PID 2740 wrote to memory of 2284 2740 df90303b419a6e98df4cf992845f0380_NEAS.exe cmd.exe PID 2740 wrote to memory of 2284 2740 df90303b419a6e98df4cf992845f0380_NEAS.exe cmd.exe PID 2284 wrote to memory of 2572 2284 cmd.exe reg.exe PID 2284 wrote to memory of 2572 2284 cmd.exe reg.exe PID 2284 wrote to memory of 2572 2284 cmd.exe reg.exe PID 2284 wrote to memory of 2572 2284 cmd.exe reg.exe PID 2740 wrote to memory of 892 2740 df90303b419a6e98df4cf992845f0380_NEAS.exe csrsll.exe PID 2740 wrote to memory of 892 2740 df90303b419a6e98df4cf992845f0380_NEAS.exe csrsll.exe PID 2740 wrote to memory of 892 2740 df90303b419a6e98df4cf992845f0380_NEAS.exe csrsll.exe PID 2740 wrote to memory of 892 2740 df90303b419a6e98df4cf992845f0380_NEAS.exe csrsll.exe PID 892 wrote to memory of 596 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 596 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 596 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 596 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 596 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 596 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 596 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 596 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 988 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 988 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 988 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 988 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 988 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 988 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 988 892 csrsll.exe csrsll.exe PID 892 wrote to memory of 988 892 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:1888 -
C:\Users\Admin\AppData\Local\Temp\df90303b419a6e98df4cf992845f0380_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\df90303b419a6e98df4cf992845f0380_NEAS.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\JXYAK.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:2284 -
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:2572 -
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:892 -
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:596 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:988
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
MD5fe9c09de96abec344de3389366c12c1d
SHA1c004660b89e1247ae29489009e8a9bb9891b41e8
SHA256290d4eb88f4716760d3ead588b041ab5f94a59ac3b1bc6931641b5b31a64f4d1
SHA51296af91dbb2080d77acd83abd42e25b6a944f29bd4e88c9e35ba2d91e0bfc827490870ef0658cdac0176e57d08a10674a1357799f1f271ba6b8707d64b0368d15