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Analysis
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max time kernel
149s -
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
08/12/2024, 00:21
Behavioral task
behavioral1
Sample
8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe
Resource
win10v2004-20241007-en
General
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Target
8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe
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Size
90KB
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MD5
c1c8f1d9e6e7f6e58e042c55f8b70211
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SHA1
beb6749b1867ccf67fb126aa468d9a19486d8902
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SHA256
8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c
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SHA512
1abbe92c1b5a29cc309de4f892090d08a15ecb94d4ba0fc4b79fd0715f77e99f56289ac74a911c9175e8dc146dd2492e4081afc5f38f550e86d12d2e04cc942c
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDB:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3X
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/2388-262-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2404 csrsll.exe 956 csrsll.exe 2388 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2512 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 2512 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 2512 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 2512 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 2512 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.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 540 set thread context of 2512 540 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 31 PID 2404 set thread context of 956 2404 csrsll.exe 36 PID 2404 set thread context of 2388 2404 csrsll.exe 37 -
resource yara_rule behavioral1/memory/540-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/540-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/540-89-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2512-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2512-102-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2512-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2512-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/540-104-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2512-98-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2512-94-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2512-92-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2512-146-0x00000000034A0000-0x00000000034F3000-memory.dmp upx behavioral1/files/0x0005000000004ed7-144.dat upx behavioral1/memory/2404-151-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2512-154-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2404-213-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2512-175-0x00000000034A0000-0x00000000034F3000-memory.dmp upx behavioral1/memory/2388-248-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2404-247-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2404-252-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2512-257-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/956-259-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2388-262-0x0000000000400000-0x0000000000414000-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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe Token: SeDebugPrivilege 956 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 540 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 2512 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 2404 csrsll.exe 956 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 540 wrote to memory of 2512 540 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 31 PID 540 wrote to memory of 2512 540 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 31 PID 540 wrote to memory of 2512 540 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 31 PID 540 wrote to memory of 2512 540 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 31 PID 540 wrote to memory of 2512 540 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 31 PID 540 wrote to memory of 2512 540 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 31 PID 540 wrote to memory of 2512 540 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 31 PID 540 wrote to memory of 2512 540 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 31 PID 2512 wrote to memory of 1628 2512 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 32 PID 2512 wrote to memory of 1628 2512 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 32 PID 2512 wrote to memory of 1628 2512 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 32 PID 2512 wrote to memory of 1628 2512 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 32 PID 1628 wrote to memory of 1776 1628 cmd.exe 34 PID 1628 wrote to memory of 1776 1628 cmd.exe 34 PID 1628 wrote to memory of 1776 1628 cmd.exe 34 PID 1628 wrote to memory of 1776 1628 cmd.exe 34 PID 2512 wrote to memory of 2404 2512 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 35 PID 2512 wrote to memory of 2404 2512 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 35 PID 2512 wrote to memory of 2404 2512 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 35 PID 2512 wrote to memory of 2404 2512 8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe 35 PID 2404 wrote to memory of 956 2404 csrsll.exe 36 PID 2404 wrote to memory of 956 2404 csrsll.exe 36 PID 2404 wrote to memory of 956 2404 csrsll.exe 36 PID 2404 wrote to memory of 956 2404 csrsll.exe 36 PID 2404 wrote to memory of 956 2404 csrsll.exe 36 PID 2404 wrote to memory of 956 2404 csrsll.exe 36 PID 2404 wrote to memory of 956 2404 csrsll.exe 36 PID 2404 wrote to memory of 956 2404 csrsll.exe 36 PID 2404 wrote to memory of 2388 2404 csrsll.exe 37 PID 2404 wrote to memory of 2388 2404 csrsll.exe 37 PID 2404 wrote to memory of 2388 2404 csrsll.exe 37 PID 2404 wrote to memory of 2388 2404 csrsll.exe 37 PID 2404 wrote to memory of 2388 2404 csrsll.exe 37 PID 2404 wrote to memory of 2388 2404 csrsll.exe 37 PID 2404 wrote to memory of 2388 2404 csrsll.exe 37 PID 2404 wrote to memory of 2388 2404 csrsll.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe"C:\Users\Admin\AppData\Local\Temp\8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Users\Admin\AppData\Local\Temp\8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe"C:\Users\Admin\AppData\Local\Temp\8091803c5f4b3b1faef8325575a6c603c7c3df0130bfa1100e077a4229da785c.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\BMROC.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1628 -
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:1776
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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:2404 -
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:956
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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:2388
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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
MD53cec5781c918d52e7365be60546783de
SHA14043d8cbad154b94a8870a494b26a971c0c1f1a4
SHA2562e4a176a870df7602aaacb6354a4b798a41c0e12bf81357cf8b1156e764bd3d1
SHA5129fa5790de593144361093a2b5d0039683d3ff9246608d2ad718b3f219d32468e4834aa385761b17ef25f5c4eb31b8c30c4657b16b7b4eb762571bb8e8d1e05b2