Analysis
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max time kernel
119s -
max time network
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platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
29/11/2024, 07:34
Behavioral task
behavioral1
Sample
a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe
Resource
win10v2004-20241007-en
General
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Target
a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe
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Size
90KB
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MD5
7fbc526cb9098cb0bd5e4b97375b8270
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SHA1
cbcbdb3d0cbc7a39885fa570869ff7342463492a
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SHA256
a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05
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SHA512
79faa0d152eaa76449339efd464b8d408bbbbb739a961fae93453e5cac7b738a1ba0fb44086c9db4690eae273da5b41c865747fcd34483df8bfd314a88686725
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDW:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE38
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 family
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ModiLoader Second Stage 1 IoCs
resource yara_rule behavioral1/memory/2480-263-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2920 csrsll.exe 1720 csrsll.exe 2480 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2604 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 2604 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 2604 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 2604 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 2604 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\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 812 set thread context of 2604 812 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 30 PID 2920 set thread context of 1720 2920 csrsll.exe 35 PID 2920 set thread context of 2480 2920 csrsll.exe 36 -
resource yara_rule behavioral1/memory/812-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/812-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/812-87-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2604-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/812-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2604-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2604-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/812-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/812-79-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/812-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2604-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2604-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2604-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2604-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000d00000001226b-133.dat upx behavioral1/memory/2604-135-0x0000000003290000-0x00000000032E3000-memory.dmp upx behavioral1/memory/2604-154-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2920-245-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2480-256-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2604-255-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2920-251-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1720-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2480-263-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe Token: SeDebugPrivilege 1720 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 812 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 2604 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 2920 csrsll.exe 1720 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 812 wrote to memory of 2604 812 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 30 PID 812 wrote to memory of 2604 812 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 30 PID 812 wrote to memory of 2604 812 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 30 PID 812 wrote to memory of 2604 812 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 30 PID 812 wrote to memory of 2604 812 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 30 PID 812 wrote to memory of 2604 812 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 30 PID 812 wrote to memory of 2604 812 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 30 PID 812 wrote to memory of 2604 812 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 30 PID 2604 wrote to memory of 1092 2604 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 31 PID 2604 wrote to memory of 1092 2604 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 31 PID 2604 wrote to memory of 1092 2604 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 31 PID 2604 wrote to memory of 1092 2604 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 31 PID 1092 wrote to memory of 1240 1092 cmd.exe 33 PID 1092 wrote to memory of 1240 1092 cmd.exe 33 PID 1092 wrote to memory of 1240 1092 cmd.exe 33 PID 1092 wrote to memory of 1240 1092 cmd.exe 33 PID 2604 wrote to memory of 2920 2604 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 34 PID 2604 wrote to memory of 2920 2604 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 34 PID 2604 wrote to memory of 2920 2604 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 34 PID 2604 wrote to memory of 2920 2604 a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe 34 PID 2920 wrote to memory of 1720 2920 csrsll.exe 35 PID 2920 wrote to memory of 1720 2920 csrsll.exe 35 PID 2920 wrote to memory of 1720 2920 csrsll.exe 35 PID 2920 wrote to memory of 1720 2920 csrsll.exe 35 PID 2920 wrote to memory of 1720 2920 csrsll.exe 35 PID 2920 wrote to memory of 1720 2920 csrsll.exe 35 PID 2920 wrote to memory of 1720 2920 csrsll.exe 35 PID 2920 wrote to memory of 1720 2920 csrsll.exe 35 PID 2920 wrote to memory of 2480 2920 csrsll.exe 36 PID 2920 wrote to memory of 2480 2920 csrsll.exe 36 PID 2920 wrote to memory of 2480 2920 csrsll.exe 36 PID 2920 wrote to memory of 2480 2920 csrsll.exe 36 PID 2920 wrote to memory of 2480 2920 csrsll.exe 36 PID 2920 wrote to memory of 2480 2920 csrsll.exe 36 PID 2920 wrote to memory of 2480 2920 csrsll.exe 36 PID 2920 wrote to memory of 2480 2920 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe"C:\Users\Admin\AppData\Local\Temp\a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:812 -
C:\Users\Admin\AppData\Local\Temp\a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe"C:\Users\Admin\AppData\Local\Temp\a43e75529e600a174c5c270757083f5e0f24457182bbcda0393b2c1adcc5ed05N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\RONRF.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1092 -
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
- System Location Discovery: System Language Discovery
PID:1240
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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
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1720
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C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2480
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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
MD529b6bd9b1f79f62ab12c0f741170b6be
SHA1731ffedad5d60c4234de83f185a939992b8c5c37
SHA25663d30b37d6acdb85c3081fd95cb3a875227ee077e78d77822a833c699f7589ea
SHA51225c6a51c2f1411772767fd96ca3aa790a78a6a8f61ef3a17f0fcec84e1ec6f8dc3c81f7870c6c849fde181e04352e941c19df26086f25e12f0f52e86f84899ab