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
16/12/2024, 07:11
Behavioral task
behavioral1
Sample
a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe
Resource
win10v2004-20241007-en
General
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Target
a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe
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Size
90KB
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MD5
c6b0348c1935657be790e34493c09950
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SHA1
95a9138a8dd1885cb720810bd0f63000d0c4599e
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SHA256
a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dc
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SHA512
77a41bfc4ea71e7293cfd294d048bf8bdbb107c2e520d3f5b447cf05b5c9841e3bded720c823958624683f55a1ed1be4132027e39ef0f4b1888c0e498bccfb55
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDz:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3h
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/2212-264-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2092 csrsll.exe 2100 csrsll.exe 2212 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 1824 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 1824 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 1824 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 1824 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 1824 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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 3020 set thread context of 1824 3020 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 30 PID 2092 set thread context of 2100 2092 csrsll.exe 35 PID 2092 set thread context of 2212 2092 csrsll.exe 36 -
resource yara_rule behavioral1/memory/3020-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3020-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3020-87-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3020-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/3020-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1824-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1824-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1824-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3020-105-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1824-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1824-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1824-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/3020-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x0006000000010300-134.dat upx behavioral1/memory/1824-148-0x00000000031A0000-0x00000000031F3000-memory.dmp upx behavioral1/memory/1824-154-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2092-217-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1824-255-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2212-253-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2092-251-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2100-244-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2100-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2212-264-0x0000000000400000-0x0000000000414000-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 csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.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 -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe Token: SeDebugPrivilege 2100 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3020 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 1824 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 2092 csrsll.exe 2100 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3020 wrote to memory of 1824 3020 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 30 PID 3020 wrote to memory of 1824 3020 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 30 PID 3020 wrote to memory of 1824 3020 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 30 PID 3020 wrote to memory of 1824 3020 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 30 PID 3020 wrote to memory of 1824 3020 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 30 PID 3020 wrote to memory of 1824 3020 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 30 PID 3020 wrote to memory of 1824 3020 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 30 PID 3020 wrote to memory of 1824 3020 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 30 PID 1824 wrote to memory of 1812 1824 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 31 PID 1824 wrote to memory of 1812 1824 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 31 PID 1824 wrote to memory of 1812 1824 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 31 PID 1824 wrote to memory of 1812 1824 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 31 PID 1812 wrote to memory of 2260 1812 cmd.exe 33 PID 1812 wrote to memory of 2260 1812 cmd.exe 33 PID 1812 wrote to memory of 2260 1812 cmd.exe 33 PID 1812 wrote to memory of 2260 1812 cmd.exe 33 PID 1824 wrote to memory of 2092 1824 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 34 PID 1824 wrote to memory of 2092 1824 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 34 PID 1824 wrote to memory of 2092 1824 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 34 PID 1824 wrote to memory of 2092 1824 a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe 34 PID 2092 wrote to memory of 2100 2092 csrsll.exe 35 PID 2092 wrote to memory of 2100 2092 csrsll.exe 35 PID 2092 wrote to memory of 2100 2092 csrsll.exe 35 PID 2092 wrote to memory of 2100 2092 csrsll.exe 35 PID 2092 wrote to memory of 2100 2092 csrsll.exe 35 PID 2092 wrote to memory of 2100 2092 csrsll.exe 35 PID 2092 wrote to memory of 2100 2092 csrsll.exe 35 PID 2092 wrote to memory of 2100 2092 csrsll.exe 35 PID 2092 wrote to memory of 2212 2092 csrsll.exe 36 PID 2092 wrote to memory of 2212 2092 csrsll.exe 36 PID 2092 wrote to memory of 2212 2092 csrsll.exe 36 PID 2092 wrote to memory of 2212 2092 csrsll.exe 36 PID 2092 wrote to memory of 2212 2092 csrsll.exe 36 PID 2092 wrote to memory of 2212 2092 csrsll.exe 36 PID 2092 wrote to memory of 2212 2092 csrsll.exe 36 PID 2092 wrote to memory of 2212 2092 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe"C:\Users\Admin\AppData\Local\Temp\a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Users\Admin\AppData\Local\Temp\a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe"C:\Users\Admin\AppData\Local\Temp\a577c9093b7c2ab460e661abd94f1f9937514e3665ff3109fa3af360f9b987dcN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1824 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\KXENX.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1812 -
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:2260
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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:2092 -
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:2100
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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:2212
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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
MD5a9c3d5deccfe3ecad3ce5867ed487eaf
SHA1d92c5f98da2c3413c9f97282223acdb36c2141d9
SHA256139501e6d20cf3236e2bdfa9ebad9c25f70a98bac30466a0ba92b12c4eff5a64
SHA5122d7ade8a2e65765fcd30b473fdb1c521193fd9fbe865b15cf998dbb0b843beb57964549aab1b747a5631b5e516403b08483adbb88c9d5712c03b41092526ebd6