Analysis
- max time kernel
148s - 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
04/05/2024, 00:41
Behavioral task
behavioral1
Sample
960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe
Resource
win7-20240215-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe
- Size 90KB
- Sample240504-a148cahb3x
- SHA256 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7
- MD5 c3e2153caa82f1662f0ee4fce86ec9ad
- SHA1 dc185493143192a39a231ef5bea22632bca853b6
- SHA512 9acc96a17b95c2bcd3b50e6b0bc52a1768ff5083b8c9be63cbd83e372f1620fcc2078b19f13a6d15edec5419edadd57271cc617c7cafb8b99a98b71c2d067487
- SSDEEP 1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- Detects Windows executables referencing non-Windows User-Agents 5 IoCs
resource yara_rule behavioral2/memory/1252-56-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1252-55-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1252-54-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1252-52-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1252-61-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - ModiLoader Second Stage 5 IoCs
resource yara_rule behavioral2/memory/1252-56-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1252-55-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1252-54-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1252-52-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1252-61-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 - UPX dump on OEP (original entry point) 18 IoCs
resource yara_rule behavioral2/memory/4988-0-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/1412-3-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1412-10-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1412-12-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/4988-13-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/files/0x001d0000000234d4-29.dat UPX behavioral2/memory/3504-37-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/3504-47-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/1252-56-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1412-59-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1252-55-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1252-54-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1832-53-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1252-52-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1252-50-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1252-45-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1832-60-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1252-61-0x0000000000400000-0x0000000000414000-memory.dmp UPX - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe - Executes dropped EXE 3 IoCs
pid Process 3504 csrsll.exe 1832 csrsll.exe 1252 csrsll.exe -
resource yara_rule behavioral2/memory/4988-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1412-3-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1412-10-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1412-12-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4988-13-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/files/0x001d0000000234d4-29.dat upx behavioral2/memory/3504-37-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3504-47-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1252-56-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1412-59-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1252-55-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1252-54-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1832-53-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1252-52-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1252-50-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1252-45-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1832-60-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1252-61-0x0000000000400000-0x0000000000414000-memory.dmp upx - Adds Run key to start application 2 TTPs 1 IoCs
description 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
description pid Process procid_target PID 4988 set thread context of 1412 4988 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 96 PID 3504 set thread context of 1832 3504 csrsll.exe 104 PID 3504 set thread context of 1252 3504 csrsll.exe 105 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe Token: SeDebugPrivilege 1832 csrsll.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4988 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 1412 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 3504 csrsll.exe 1832 csrsll.exe - Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 4988 wrote to memory of 1412 4988 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 96 PID 4988 wrote to memory of 1412 4988 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 96 PID 4988 wrote to memory of 1412 4988 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 96 PID 4988 wrote to memory of 1412 4988 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 96 PID 4988 wrote to memory of 1412 4988 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 96 PID 4988 wrote to memory of 1412 4988 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 96 PID 4988 wrote to memory of 1412 4988 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 96 PID 4988 wrote to memory of 1412 4988 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 96 PID 1412 wrote to memory of 1756 1412 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 97 PID 1412 wrote to memory of 1756 1412 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 97 PID 1412 wrote to memory of 1756 1412 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 97 PID 1756 wrote to memory of 3688 1756 cmd.exe 101 PID 1756 wrote to memory of 3688 1756 cmd.exe 101 PID 1756 wrote to memory of 3688 1756 cmd.exe 101 PID 1412 wrote to memory of 3504 1412 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 103 PID 1412 wrote to memory of 3504 1412 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 103 PID 1412 wrote to memory of 3504 1412 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 103 PID 3504 wrote to memory of 1832 3504 csrsll.exe 104 PID 3504 wrote to memory of 1832 3504 csrsll.exe 104 PID 3504 wrote to memory of 1832 3504 csrsll.exe 104 PID 3504 wrote to memory of 1832 3504 csrsll.exe 104 PID 3504 wrote to memory of 1832 3504 csrsll.exe 104 PID 3504 wrote to memory of 1832 3504 csrsll.exe 104 PID 3504 wrote to memory of 1832 3504 csrsll.exe 104 PID 3504 wrote to memory of 1832 3504 csrsll.exe 104 PID 3504 wrote to memory of 1252 3504 csrsll.exe 105 PID 3504 wrote to memory of 1252 3504 csrsll.exe 105 PID 3504 wrote to memory of 1252 3504 csrsll.exe 105 PID 3504 wrote to memory of 1252 3504 csrsll.exe 105 PID 3504 wrote to memory of 1252 3504 csrsll.exe 105 PID 3504 wrote to memory of 1252 3504 csrsll.exe 105 PID 3504 wrote to memory of 1252 3504 csrsll.exe 105 PID 3504 wrote to memory of 1252 3504 csrsll.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe"C:\Users\Admin\AppData\Local\Temp\960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Users\Admin\AppData\Local\Temp\960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe"C:\Users\Admin\AppData\Local\Temp\960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1412 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QCAEH.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:1756 -
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:3688
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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
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3504 -
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:1832
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:1252
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\QCAEH.txt
- Size 145B
- SHA256 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
- MD5 4eb61ec7816c34ec8c125acadc57ec1b
- SHA1 b0015cc865c0bb1a027be663027d3829401a31cc
- SHA512 f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
- Size 90KB
- SHA256 a776313d4d34b797e953054b04797f1eec8123dde377a193e69d5d72210e5903
- MD5 9fb3d8a396da7f7a9576926ecff699ff
- SHA1 4d4b326d676bf4bdb2a9224f6fb4917a1928e5e1
- SHA512 58d5fe6537e2053cd3417a36d20d8ce981978926989943cc3a45a6a369b49e4eef97d4463ca0dafdc8506bc580a86a8cf77270900b2510637f2b5ce9823e0b57
- SSDEEP 1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
- MD5 SHA1 SHA512 SSDEEP