Analysis
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max time kernel
119s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-09-2024 09:30
Behavioral task
behavioral1
Sample
b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe
Resource
win10v2004-20240802-en
General
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Target
b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe
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Size
90KB
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MD5
912378483fe96e24a7f0d710b8ad1b10
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SHA1
3cfffcc537357e5f759193fd3e8d24404d17de97
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SHA256
b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bd
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SHA512
e3b6058db725ae167f0af369a47f49855941e437cd3c34427e8d46b93c49b8c312abf6b8a2d6f03d7fe623af66ccb0d5a9a34f32cfd4ab7ef467264c22445215
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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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ModiLoader Second Stage 2 IoCs
resource yara_rule behavioral1/memory/1520-253-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 behavioral1/memory/1520-263-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2032 csrsll.exe 748 csrsll.exe 1520 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 1900 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 1900 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 1900 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 1900 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 1900 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe -
resource yara_rule behavioral1/memory/2640-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2640-4-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2640-28-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2640-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1900-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1900-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1900-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1900-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1900-104-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2640-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1900-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000b000000012262-132.dat upx behavioral1/memory/1900-134-0x0000000002AF0000-0x0000000002B43000-memory.dmp upx behavioral1/memory/2032-149-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1900-152-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2032-221-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2032-216-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1520-253-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2032-255-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1900-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/748-260-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1520-263-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\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 2640 set thread context of 1900 2640 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 30 PID 2032 set thread context of 748 2032 csrsll.exe 35 PID 2032 set thread context of 1520 2032 csrsll.exe 36 -
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 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.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 63 IoCs
description pid Process Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe Token: SeDebugPrivilege 748 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2640 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 1900 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 2032 csrsll.exe 748 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2640 wrote to memory of 1900 2640 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 30 PID 2640 wrote to memory of 1900 2640 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 30 PID 2640 wrote to memory of 1900 2640 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 30 PID 2640 wrote to memory of 1900 2640 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 30 PID 2640 wrote to memory of 1900 2640 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 30 PID 2640 wrote to memory of 1900 2640 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 30 PID 2640 wrote to memory of 1900 2640 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 30 PID 2640 wrote to memory of 1900 2640 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 30 PID 1900 wrote to memory of 1032 1900 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 31 PID 1900 wrote to memory of 1032 1900 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 31 PID 1900 wrote to memory of 1032 1900 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 31 PID 1900 wrote to memory of 1032 1900 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 31 PID 1032 wrote to memory of 2688 1032 cmd.exe 33 PID 1032 wrote to memory of 2688 1032 cmd.exe 33 PID 1032 wrote to memory of 2688 1032 cmd.exe 33 PID 1032 wrote to memory of 2688 1032 cmd.exe 33 PID 1900 wrote to memory of 2032 1900 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 34 PID 1900 wrote to memory of 2032 1900 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 34 PID 1900 wrote to memory of 2032 1900 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 34 PID 1900 wrote to memory of 2032 1900 b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe 34 PID 2032 wrote to memory of 748 2032 csrsll.exe 35 PID 2032 wrote to memory of 748 2032 csrsll.exe 35 PID 2032 wrote to memory of 748 2032 csrsll.exe 35 PID 2032 wrote to memory of 748 2032 csrsll.exe 35 PID 2032 wrote to memory of 748 2032 csrsll.exe 35 PID 2032 wrote to memory of 748 2032 csrsll.exe 35 PID 2032 wrote to memory of 748 2032 csrsll.exe 35 PID 2032 wrote to memory of 748 2032 csrsll.exe 35 PID 2032 wrote to memory of 1520 2032 csrsll.exe 36 PID 2032 wrote to memory of 1520 2032 csrsll.exe 36 PID 2032 wrote to memory of 1520 2032 csrsll.exe 36 PID 2032 wrote to memory of 1520 2032 csrsll.exe 36 PID 2032 wrote to memory of 1520 2032 csrsll.exe 36 PID 2032 wrote to memory of 1520 2032 csrsll.exe 36 PID 2032 wrote to memory of 1520 2032 csrsll.exe 36 PID 2032 wrote to memory of 1520 2032 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe"C:\Users\Admin\AppData\Local\Temp\b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Users\Admin\AppData\Local\Temp\b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe"C:\Users\Admin\AppData\Local\Temp\b78732c8a0a9d08bf2c40fb805d1ee8fd6c8acf0d8bc8d23ae5727aafcdd89bdN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\MKOJR.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1032 -
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:2688
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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:2032 -
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:748
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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:1520
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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
MD56b9171775bb9003cc1af8998e443ba52
SHA13093e186c721147663792c54bbdc9b12faabbd09
SHA256b0aae80a238687ceb8474aeaf3ad17ed3f661d5213a2a0e4631d4f46530f49f5
SHA512e3e186f942f0485cca92e80c4bb93815c960fee126a183b9ea93e9c1ad591e4e73c1672a134291f8f74af16d80d77af02dc3f253c202295b2bc50d0fdb69034d