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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
27/09/2024, 22:21
Behavioral task
behavioral1
Sample
b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe
Resource
win10v2004-20240802-en
General
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Target
b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe
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Size
326KB
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MD5
13c43ea9907a0ba765f9a953f2c7ff70
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SHA1
7090c38c2437d2c2cdd406694415c9f67f724b27
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SHA256
b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498
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SHA512
357e37575a44918c7b2e176b0c503a7bf1bf195f737d6dd67992e9fee60b39dec8b11660d5071cfd5d59b23db9893b922a7a25f74013b02ab3aaf5638fded241
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SSDEEP
3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:h0sxD5cwohO+O1sVG0/pZ6iPC8
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
resource yara_rule behavioral1/memory/1068-254-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2936 csrsll.exe 944 csrsll.exe 1068 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2604 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 2604 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 2604 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 2604 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 2604 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\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 2528 set thread context of 2604 2528 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 30 PID 2936 set thread context of 944 2936 csrsll.exe 36 PID 2936 set thread context of 1068 2936 csrsll.exe 37 -
resource yara_rule behavioral1/memory/2528-0-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2528-87-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2528-89-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2604-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2604-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2604-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2604-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2528-100-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2528-99-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2604-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2604-92-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000c000000012029-131.dat upx behavioral1/memory/2604-133-0x00000000028A0000-0x00000000028F4000-memory.dmp upx behavioral1/memory/2604-150-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2936-210-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2936-244-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/1068-243-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2604-252-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/944-253-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1068-254-0x0000000000400000-0x0000000000414000-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 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 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe Token: SeDebugPrivilege 944 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2528 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 2604 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 2936 csrsll.exe 944 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2528 wrote to memory of 2604 2528 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 30 PID 2528 wrote to memory of 2604 2528 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 30 PID 2528 wrote to memory of 2604 2528 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 30 PID 2528 wrote to memory of 2604 2528 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 30 PID 2528 wrote to memory of 2604 2528 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 30 PID 2528 wrote to memory of 2604 2528 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 30 PID 2528 wrote to memory of 2604 2528 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 30 PID 2528 wrote to memory of 2604 2528 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 30 PID 2604 wrote to memory of 2788 2604 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 31 PID 2604 wrote to memory of 2788 2604 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 31 PID 2604 wrote to memory of 2788 2604 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 31 PID 2604 wrote to memory of 2788 2604 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 31 PID 2788 wrote to memory of 1584 2788 cmd.exe 33 PID 2788 wrote to memory of 1584 2788 cmd.exe 33 PID 2788 wrote to memory of 1584 2788 cmd.exe 33 PID 2788 wrote to memory of 1584 2788 cmd.exe 33 PID 2604 wrote to memory of 2936 2604 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 34 PID 2604 wrote to memory of 2936 2604 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 34 PID 2604 wrote to memory of 2936 2604 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 34 PID 2604 wrote to memory of 2936 2604 b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe 34 PID 2936 wrote to memory of 944 2936 csrsll.exe 36 PID 2936 wrote to memory of 944 2936 csrsll.exe 36 PID 2936 wrote to memory of 944 2936 csrsll.exe 36 PID 2936 wrote to memory of 944 2936 csrsll.exe 36 PID 2936 wrote to memory of 944 2936 csrsll.exe 36 PID 2936 wrote to memory of 944 2936 csrsll.exe 36 PID 2936 wrote to memory of 944 2936 csrsll.exe 36 PID 2936 wrote to memory of 944 2936 csrsll.exe 36 PID 2936 wrote to memory of 1068 2936 csrsll.exe 37 PID 2936 wrote to memory of 1068 2936 csrsll.exe 37 PID 2936 wrote to memory of 1068 2936 csrsll.exe 37 PID 2936 wrote to memory of 1068 2936 csrsll.exe 37 PID 2936 wrote to memory of 1068 2936 csrsll.exe 37 PID 2936 wrote to memory of 1068 2936 csrsll.exe 37 PID 2936 wrote to memory of 1068 2936 csrsll.exe 37 PID 2936 wrote to memory of 1068 2936 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe"C:\Users\Admin\AppData\Local\Temp\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Users\Admin\AppData\Local\Temp\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.exe"C:\Users\Admin\AppData\Local\Temp\b845e4783f7a3376ef310545b9b7bea1ea0bf4bee99f70ad3304ed21b8c35498N.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\SWRNO.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788 -
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:1584
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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:2936 -
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:944
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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:1068
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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
326KB
MD568bd97db296b8af6c175a91971ae89bc
SHA1effac6c09c4d4700f5e5a0b9c5a33d4413036344
SHA2563e51ce621de2e8633bc17deac8b6d426f07e7cb24594dc1d354ccca85855541e
SHA512728cb024a76447becc54b18d20d46bab8de587278e34d5f598ef131bf304b6c112a5b91577626f82f3146541cc260d5c9cfe72e1c1bae71d2c32b0b31e83b86a