Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
03-06-2024 21:38
Behavioral task
behavioral1
Sample
53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe
Resource
win10v2004-20240508-en
General
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Target
53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe
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Size
90KB
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MD5
5cc16139cc5ba84ce6503fb47e469642
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SHA1
264eeda8bfd72ab6842175b03ded3ed0cdf03dc5
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SHA256
53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717
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SHA512
f32e0fbe4e73582c7832fc0360935b6d5cb55fb4feec6b3bbd21d46e1447f66d27ed9c0be3229c03d3df5946d89e161b06e89b93be3f5408e722b784e650d9c6
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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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Detects Windows executables referencing non-Windows User-Agents 4 IoCs
Processes:
resource yara_rule behavioral2/memory/1960-56-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1960-57-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1960-55-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1960-61-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
ModiLoader Second Stage 4 IoCs
Processes:
resource yara_rule behavioral2/memory/1960-56-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1960-57-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1960-55-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral2/memory/1960-61-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
UPX dump on OEP (original entry point) 19 IoCs
Processes:
resource yara_rule behavioral2/memory/3364-0-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/1580-3-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1580-9-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/3364-11-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/1580-12-0x0000000000400000-0x000000000040B000-memory.dmp UPX C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe UPX behavioral2/memory/3188-35-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/3188-45-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/2392-50-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1960-53-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1960-56-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1960-57-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1960-55-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/3188-47-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral2/memory/2392-52-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1960-44-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral2/memory/1580-59-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/2392-60-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral2/memory/1960-61-0x0000000000400000-0x0000000000414000-memory.dmp UPX -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe -
Executes dropped EXE 3 IoCs
Processes:
csrsll.execsrsll.execsrsll.exepid process 3188 csrsll.exe 2392 csrsll.exe 1960 csrsll.exe -
Processes:
resource yara_rule behavioral2/memory/3364-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/1580-3-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1580-9-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/3364-11-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3364-5-0x0000000002A40000-0x0000000002A42000-memory.dmp upx behavioral2/memory/1580-12-0x0000000000400000-0x000000000040B000-memory.dmp upx C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe upx behavioral2/memory/3188-35-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3188-45-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2392-50-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1960-53-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1960-56-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1960-57-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1960-55-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/3188-47-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/2392-52-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1960-44-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral2/memory/1580-59-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/2392-60-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/1960-61-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" reg.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.execsrsll.exedescription pid process target process PID 3364 set thread context of 1580 3364 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe PID 3188 set thread context of 2392 3188 csrsll.exe csrsll.exe PID 3188 set thread context of 1960 3188 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 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe Token: SeDebugPrivilege 2392 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.execsrsll.execsrsll.exepid process 3364 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe 1580 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe 3188 csrsll.exe 2392 csrsll.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.execmd.execsrsll.exedescription pid process target process PID 3364 wrote to memory of 1580 3364 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe PID 3364 wrote to memory of 1580 3364 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe PID 3364 wrote to memory of 1580 3364 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe PID 3364 wrote to memory of 1580 3364 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe PID 3364 wrote to memory of 1580 3364 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe PID 3364 wrote to memory of 1580 3364 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe PID 3364 wrote to memory of 1580 3364 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe PID 3364 wrote to memory of 1580 3364 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe PID 1580 wrote to memory of 944 1580 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe cmd.exe PID 1580 wrote to memory of 944 1580 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe cmd.exe PID 1580 wrote to memory of 944 1580 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe cmd.exe PID 944 wrote to memory of 3220 944 cmd.exe reg.exe PID 944 wrote to memory of 3220 944 cmd.exe reg.exe PID 944 wrote to memory of 3220 944 cmd.exe reg.exe PID 1580 wrote to memory of 3188 1580 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe csrsll.exe PID 1580 wrote to memory of 3188 1580 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe csrsll.exe PID 1580 wrote to memory of 3188 1580 53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe csrsll.exe PID 3188 wrote to memory of 2392 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 2392 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 2392 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 2392 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 2392 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 2392 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 2392 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 2392 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 1960 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 1960 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 1960 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 1960 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 1960 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 1960 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 1960 3188 csrsll.exe csrsll.exe PID 3188 wrote to memory of 1960 3188 csrsll.exe csrsll.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe"C:\Users\Admin\AppData\Local\Temp\53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3364 -
C:\Users\Admin\AppData\Local\Temp\53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe"C:\Users\Admin\AppData\Local\Temp\53d4a92fca904cf2a5c552c89ce360de3c50114b6c965064e9d4355e3fbeb717.exe"2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FQVRG.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:944 -
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:3220 -
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:3188 -
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:2392 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
PID:1960
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
MD5379d6a0bff4e4c3ac5f14070c6663401
SHA1070e3e51fc31e6de889f2859c4ee30241678bbcd
SHA256a6817be4a331579d4131f71137de165992d1e09de14942b6dc3e3c113067865d
SHA51213dc3511fa207b1a2e73edae76278d1f0c505c276da9b339f9e77a72a95a832a567ed545e36c2267fbb2e9cee911ede2cc1b31c3f85da33a17bd08dc940ded1f