Analysis
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max time kernel
120s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-11-2024 14:03
Behavioral task
behavioral1
Sample
a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe
Resource
win10v2004-20241007-en
General
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Target
a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe
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Size
90KB
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MD5
80968a3709f86e793d4b4aeb6b51bb40
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SHA1
b5114dc33daada873a233b94eb8482af5d10d865
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SHA256
a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989a
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SHA512
56341b1a4744134a014f0edf594543b2a9f54f3145524cb4507d1e99d15046d3a41e8333b8ff8584a6201889dbd887e5dc38370e7c39469bec2e9c4f2b8e1ab2
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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 family
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ModiLoader Second Stage 1 IoCs
resource yara_rule behavioral1/memory/1840-269-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2840 csrsll.exe 1444 csrsll.exe 1840 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2620 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 2620 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 2620 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 2620 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 2620 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\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 2540 set thread context of 2620 2540 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 30 PID 2840 set thread context of 1444 2840 csrsll.exe 35 PID 2840 set thread context of 1840 2840 csrsll.exe 36 -
resource yara_rule behavioral1/memory/2540-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2540-90-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2540-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-100-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2540-102-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-96-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2540-91-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2540-78-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-106-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x0008000000012117-133.dat upx behavioral1/memory/2620-147-0x0000000003100000-0x0000000003153000-memory.dmp upx behavioral1/memory/2540-155-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2840-220-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1444-248-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2840-259-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-264-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1840-257-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2840-256-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1444-266-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1840-269-0x0000000000400000-0x0000000000414000-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 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.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 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe Token: SeDebugPrivilege 1444 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2540 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 2620 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 2840 csrsll.exe 1444 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2540 wrote to memory of 2620 2540 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 30 PID 2540 wrote to memory of 2620 2540 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 30 PID 2540 wrote to memory of 2620 2540 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 30 PID 2540 wrote to memory of 2620 2540 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 30 PID 2540 wrote to memory of 2620 2540 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 30 PID 2540 wrote to memory of 2620 2540 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 30 PID 2540 wrote to memory of 2620 2540 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 30 PID 2540 wrote to memory of 2620 2540 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 30 PID 2620 wrote to memory of 1388 2620 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 31 PID 2620 wrote to memory of 1388 2620 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 31 PID 2620 wrote to memory of 1388 2620 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 31 PID 2620 wrote to memory of 1388 2620 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 31 PID 1388 wrote to memory of 2668 1388 cmd.exe 33 PID 1388 wrote to memory of 2668 1388 cmd.exe 33 PID 1388 wrote to memory of 2668 1388 cmd.exe 33 PID 1388 wrote to memory of 2668 1388 cmd.exe 33 PID 2620 wrote to memory of 2840 2620 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 34 PID 2620 wrote to memory of 2840 2620 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 34 PID 2620 wrote to memory of 2840 2620 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 34 PID 2620 wrote to memory of 2840 2620 a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe 34 PID 2840 wrote to memory of 1444 2840 csrsll.exe 35 PID 2840 wrote to memory of 1444 2840 csrsll.exe 35 PID 2840 wrote to memory of 1444 2840 csrsll.exe 35 PID 2840 wrote to memory of 1444 2840 csrsll.exe 35 PID 2840 wrote to memory of 1444 2840 csrsll.exe 35 PID 2840 wrote to memory of 1444 2840 csrsll.exe 35 PID 2840 wrote to memory of 1444 2840 csrsll.exe 35 PID 2840 wrote to memory of 1444 2840 csrsll.exe 35 PID 2840 wrote to memory of 1840 2840 csrsll.exe 36 PID 2840 wrote to memory of 1840 2840 csrsll.exe 36 PID 2840 wrote to memory of 1840 2840 csrsll.exe 36 PID 2840 wrote to memory of 1840 2840 csrsll.exe 36 PID 2840 wrote to memory of 1840 2840 csrsll.exe 36 PID 2840 wrote to memory of 1840 2840 csrsll.exe 36 PID 2840 wrote to memory of 1840 2840 csrsll.exe 36 PID 2840 wrote to memory of 1840 2840 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe"C:\Users\Admin\AppData\Local\Temp\a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Users\Admin\AppData\Local\Temp\a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe"C:\Users\Admin\AppData\Local\Temp\a3113c9df906abcae4b7aae6d8535f226c2544443207885a625d685f97a0989aN.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\AMSXJ.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1388 -
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:2668
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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:2840 -
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:1444
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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:1840
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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
MD5d1f53adf28049704ccb772c3cbfd6934
SHA1f6bb3e1a5b9c471027085f6170115b44759a506f
SHA256705ef163abeb92850d9b603fa02a40005e8a0c6a24d471ea3b3b03c563c196ca
SHA512d41549762236a5ed4a768bfa34f4d0d793959bcfe6ad43032797fceaf171f455517ef1d3779ceb7bcf7f9126dea9d6ad0eee04bda07216f1758814e4d4e91029