Analysis
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max time kernel
119s -
max time network
29s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
15-12-2024 21:37
Behavioral task
behavioral1
Sample
f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe
Resource
win10v2004-20241007-en
General
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Target
f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe
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Size
90KB
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MD5
1bce29dea3eb978519f982206623ee70
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SHA1
6deea386e20906636c6d3b3267f209a2e6c719b0
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SHA256
f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367
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SHA512
803ad4d310dbe44d03f7bdc73c518f69e072ece6af7ca7ad2d4115977d0cce0d9357d8d1c99ec271d34bdd0dc43d51bb0839cf8b22add6dbe6ca1b7a2dc2ec39
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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/236-270-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2836 csrsll.exe 760 csrsll.exe 236 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 1660 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 1660 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 1660 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 1660 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 1660 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\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 2592 set thread context of 1660 2592 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 30 PID 2836 set thread context of 760 2836 csrsll.exe 35 PID 2836 set thread context of 236 2836 csrsll.exe 36 -
resource yara_rule behavioral1/memory/2592-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2592-4-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2592-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2592-85-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2592-84-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2592-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2592-28-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1660-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2592-106-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2592-109-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1660-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1660-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1660-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1660-103-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1660-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x00080000000120fc-153.dat upx behavioral1/memory/1660-149-0x00000000025B0000-0x0000000002603000-memory.dmp upx behavioral1/memory/2836-155-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1660-158-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1660-160-0x00000000025B0000-0x0000000002603000-memory.dmp upx behavioral1/memory/2836-230-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2836-229-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/236-258-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1660-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2836-257-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/760-250-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/760-267-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/236-270-0x0000000000400000-0x0000000000414000-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 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 63 IoCs
description pid Process Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe Token: SeDebugPrivilege 760 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2592 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 1660 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 2836 csrsll.exe 760 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2592 wrote to memory of 1660 2592 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 30 PID 2592 wrote to memory of 1660 2592 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 30 PID 2592 wrote to memory of 1660 2592 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 30 PID 2592 wrote to memory of 1660 2592 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 30 PID 2592 wrote to memory of 1660 2592 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 30 PID 2592 wrote to memory of 1660 2592 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 30 PID 2592 wrote to memory of 1660 2592 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 30 PID 2592 wrote to memory of 1660 2592 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 30 PID 1660 wrote to memory of 3056 1660 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 31 PID 1660 wrote to memory of 3056 1660 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 31 PID 1660 wrote to memory of 3056 1660 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 31 PID 1660 wrote to memory of 3056 1660 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 31 PID 3056 wrote to memory of 1968 3056 cmd.exe 33 PID 3056 wrote to memory of 1968 3056 cmd.exe 33 PID 3056 wrote to memory of 1968 3056 cmd.exe 33 PID 3056 wrote to memory of 1968 3056 cmd.exe 33 PID 1660 wrote to memory of 2836 1660 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 34 PID 1660 wrote to memory of 2836 1660 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 34 PID 1660 wrote to memory of 2836 1660 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 34 PID 1660 wrote to memory of 2836 1660 f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe 34 PID 2836 wrote to memory of 760 2836 csrsll.exe 35 PID 2836 wrote to memory of 760 2836 csrsll.exe 35 PID 2836 wrote to memory of 760 2836 csrsll.exe 35 PID 2836 wrote to memory of 760 2836 csrsll.exe 35 PID 2836 wrote to memory of 760 2836 csrsll.exe 35 PID 2836 wrote to memory of 760 2836 csrsll.exe 35 PID 2836 wrote to memory of 760 2836 csrsll.exe 35 PID 2836 wrote to memory of 760 2836 csrsll.exe 35 PID 2836 wrote to memory of 236 2836 csrsll.exe 36 PID 2836 wrote to memory of 236 2836 csrsll.exe 36 PID 2836 wrote to memory of 236 2836 csrsll.exe 36 PID 2836 wrote to memory of 236 2836 csrsll.exe 36 PID 2836 wrote to memory of 236 2836 csrsll.exe 36 PID 2836 wrote to memory of 236 2836 csrsll.exe 36 PID 2836 wrote to memory of 236 2836 csrsll.exe 36 PID 2836 wrote to memory of 236 2836 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe"C:\Users\Admin\AppData\Local\Temp\f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2592 -
C:\Users\Admin\AppData\Local\Temp\f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe"C:\Users\Admin\AppData\Local\Temp\f859a81f87ac4265d3afc7fa84079086d5425c0acd52cc7932391081900c6367N.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\NWNBC.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056 -
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:1968
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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:2836 -
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:760
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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:236
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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
MD5dd9c89501d5f6d0a767508a8d2795433
SHA12149240492c8c3ef81968bb5fd89fbea3fd783d1
SHA2563fe73a707baaa0249fb56c670c21f7276ce20e4cfafbbf94aed311de02e4de65
SHA512130b4818e0c3facb229bf582723396370247583931282e4d960416ff1305ba8ff860e70d6c10ffc603c514b671e18f7dc37cc9a619218811b1253a529989e720