Analysis
- max time kernel
149s - max time network
120s - platform
windows7_x64 - resource
win7-20240215-en - resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-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 2 IoCs
resource yara_rule behavioral1/memory/1500-251-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1500-258-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - ModiLoader Second Stage 2 IoCs
resource yara_rule behavioral1/memory/1500-251-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1500-258-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 - UPX dump on OEP (original entry point) 19 IoCs
resource yara_rule behavioral1/memory/2388-0-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2968-105-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2968-103-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2388-102-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2968-101-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2388-98-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2968-97-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2968-93-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/2388-88-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/files/0x000e000000014323-130.dat UPX behavioral1/memory/1264-147-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/2968-145-0x0000000003470000-0x00000000034C3000-memory.dmp UPX behavioral1/memory/1264-223-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/1172-236-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/1500-251-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral1/memory/2968-248-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/1264-245-0x0000000000400000-0x0000000000453000-memory.dmp UPX behavioral1/memory/1172-257-0x0000000000400000-0x000000000040B000-memory.dmp UPX behavioral1/memory/1500-258-0x0000000000400000-0x0000000000414000-memory.dmp UPX - Executes dropped EXE 3 IoCs
pid Process 1264 csrsll.exe 1172 csrsll.exe 1500 csrsll.exe - Loads dropped DLL 5 IoCs
pid Process 2968 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 2968 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 2968 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 2968 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 2968 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe -
resource yara_rule behavioral1/memory/2388-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2968-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2968-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2388-102-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2968-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2388-98-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2968-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2968-93-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2968-91-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2388-88-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x000e000000014323-130.dat upx behavioral1/memory/1264-147-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2968-145-0x0000000003470000-0x00000000034C3000-memory.dmp upx behavioral1/memory/1264-223-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1172-236-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1500-251-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2968-248-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1264-245-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1172-257-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1500-258-0x0000000000400000-0x0000000000414000-memory.dmp upx - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\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 2388 set thread context of 2968 2388 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 28 PID 1264 set thread context of 1172 1264 csrsll.exe 33 PID 1264 set thread context of 1500 1264 csrsll.exe 34 - 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 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe Token: SeDebugPrivilege 1172 csrsll.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2388 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 2968 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 1264 csrsll.exe 1172 csrsll.exe - Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2388 wrote to memory of 2968 2388 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 28 PID 2388 wrote to memory of 2968 2388 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 28 PID 2388 wrote to memory of 2968 2388 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 28 PID 2388 wrote to memory of 2968 2388 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 28 PID 2388 wrote to memory of 2968 2388 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 28 PID 2388 wrote to memory of 2968 2388 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 28 PID 2388 wrote to memory of 2968 2388 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 28 PID 2388 wrote to memory of 2968 2388 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 28 PID 2968 wrote to memory of 2964 2968 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 29 PID 2968 wrote to memory of 2964 2968 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 29 PID 2968 wrote to memory of 2964 2968 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 29 PID 2968 wrote to memory of 2964 2968 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 29 PID 2964 wrote to memory of 1828 2964 cmd.exe 31 PID 2964 wrote to memory of 1828 2964 cmd.exe 31 PID 2964 wrote to memory of 1828 2964 cmd.exe 31 PID 2964 wrote to memory of 1828 2964 cmd.exe 31 PID 2968 wrote to memory of 1264 2968 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 32 PID 2968 wrote to memory of 1264 2968 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 32 PID 2968 wrote to memory of 1264 2968 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 32 PID 2968 wrote to memory of 1264 2968 960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe 32 PID 1264 wrote to memory of 1172 1264 csrsll.exe 33 PID 1264 wrote to memory of 1172 1264 csrsll.exe 33 PID 1264 wrote to memory of 1172 1264 csrsll.exe 33 PID 1264 wrote to memory of 1172 1264 csrsll.exe 33 PID 1264 wrote to memory of 1172 1264 csrsll.exe 33 PID 1264 wrote to memory of 1172 1264 csrsll.exe 33 PID 1264 wrote to memory of 1172 1264 csrsll.exe 33 PID 1264 wrote to memory of 1172 1264 csrsll.exe 33 PID 1264 wrote to memory of 1500 1264 csrsll.exe 34 PID 1264 wrote to memory of 1500 1264 csrsll.exe 34 PID 1264 wrote to memory of 1500 1264 csrsll.exe 34 PID 1264 wrote to memory of 1500 1264 csrsll.exe 34 PID 1264 wrote to memory of 1500 1264 csrsll.exe 34 PID 1264 wrote to memory of 1500 1264 csrsll.exe 34 PID 1264 wrote to memory of 1500 1264 csrsll.exe 34 PID 1264 wrote to memory of 1500 1264 csrsll.exe 34
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:2388 -
C:\Users\Admin\AppData\Local\Temp\960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe"C:\Users\Admin\AppData\Local\Temp\960bea688cbe2f6decb6efa664efb8b1c32f34e3c8b8added1167a9fdf6fc3a7.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2968 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\SJEDR.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:2964 -
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:1828
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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:1264 -
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:1172
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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:1500
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\SJEDR.bat
- Size 145B
- SHA256 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
- MD5 4eb61ec7816c34ec8c125acadc57ec1b
- SHA1 b0015cc865c0bb1a027be663027d3829401a31cc
- SHA512 f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
- MD5 SHA1 SHA512
- Path \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
- Size 90KB
- SHA256 b009f0f589a1c78e318007c0435c03c03112523e4d6deed7e27a9245e6ab8863
- MD5 99924c9da55f1c0109e77464bc6410dc
- SHA1 f84167a20d059e39dd54360d632d7b75a46b3102
- SHA512 50aaade06a2b7ea831fbd9819baf69650c5072700ac892217651789916ff5741da3db004d804ee6cca2293e811a2d3bf1799a875915076a9d6e1aed5c60519e1
- SSDEEP 1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
- MD5 SHA1 SHA512 SSDEEP