Analysis
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max time kernel
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max time network
27s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
24-12-2024 01:17
Behavioral task
behavioral1
Sample
bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe
Resource
win10v2004-20241007-en
General
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Target
bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe
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Size
90KB
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MD5
6f95d6df03c782b20af78ca116751266
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SHA1
74048f210a4664c9bb5fda2310f62799c5d2fbdf
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SHA256
bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5
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SHA512
4ed531c5a1a2d7655118420d58f8cd004b3ed41b8fc7f029b174abd00c73f347b9a60cb49662f91a70aa0df0ed4a8f923aff2dc6f800bf8c4798d060d03bff11
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SSDEEP
1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDN:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE37
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/1452-265-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 2000 csrsll.exe 2228 csrsll.exe 1452 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 1168 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 1168 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 1168 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 1168 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 1168 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.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 972 set thread context of 1168 972 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 30 PID 2000 set thread context of 2228 2000 csrsll.exe 35 PID 2000 set thread context of 1452 2000 csrsll.exe 36 -
resource yara_rule behavioral1/memory/972-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/972-22-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/972-27-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/972-86-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1168-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1168-109-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/972-107-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/972-101-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1168-99-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1168-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/972-85-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/972-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/972-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/972-69-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1168-110-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1168-111-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1168-113-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1168-152-0x00000000028D0000-0x0000000002923000-memory.dmp upx behavioral1/files/0x000d000000012262-150.dat upx behavioral1/memory/1168-156-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2000-225-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2000-219-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1452-254-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/2000-257-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1168-261-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2228-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/1452-265-0x0000000000400000-0x0000000000414000-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 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrsll.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe Token: SeDebugPrivilege 2228 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 972 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 1168 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 2000 csrsll.exe 2228 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 972 wrote to memory of 1168 972 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 30 PID 972 wrote to memory of 1168 972 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 30 PID 972 wrote to memory of 1168 972 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 30 PID 972 wrote to memory of 1168 972 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 30 PID 972 wrote to memory of 1168 972 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 30 PID 972 wrote to memory of 1168 972 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 30 PID 972 wrote to memory of 1168 972 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 30 PID 972 wrote to memory of 1168 972 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 30 PID 1168 wrote to memory of 3024 1168 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 31 PID 1168 wrote to memory of 3024 1168 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 31 PID 1168 wrote to memory of 3024 1168 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 31 PID 1168 wrote to memory of 3024 1168 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 31 PID 3024 wrote to memory of 2096 3024 cmd.exe 33 PID 3024 wrote to memory of 2096 3024 cmd.exe 33 PID 3024 wrote to memory of 2096 3024 cmd.exe 33 PID 3024 wrote to memory of 2096 3024 cmd.exe 33 PID 1168 wrote to memory of 2000 1168 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 34 PID 1168 wrote to memory of 2000 1168 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 34 PID 1168 wrote to memory of 2000 1168 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 34 PID 1168 wrote to memory of 2000 1168 bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe 34 PID 2000 wrote to memory of 2228 2000 csrsll.exe 35 PID 2000 wrote to memory of 2228 2000 csrsll.exe 35 PID 2000 wrote to memory of 2228 2000 csrsll.exe 35 PID 2000 wrote to memory of 2228 2000 csrsll.exe 35 PID 2000 wrote to memory of 2228 2000 csrsll.exe 35 PID 2000 wrote to memory of 2228 2000 csrsll.exe 35 PID 2000 wrote to memory of 2228 2000 csrsll.exe 35 PID 2000 wrote to memory of 2228 2000 csrsll.exe 35 PID 2000 wrote to memory of 1452 2000 csrsll.exe 36 PID 2000 wrote to memory of 1452 2000 csrsll.exe 36 PID 2000 wrote to memory of 1452 2000 csrsll.exe 36 PID 2000 wrote to memory of 1452 2000 csrsll.exe 36 PID 2000 wrote to memory of 1452 2000 csrsll.exe 36 PID 2000 wrote to memory of 1452 2000 csrsll.exe 36 PID 2000 wrote to memory of 1452 2000 csrsll.exe 36 PID 2000 wrote to memory of 1452 2000 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe"C:\Users\Admin\AppData\Local\Temp\bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:972 -
C:\Users\Admin\AppData\Local\Temp\bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe"C:\Users\Admin\AppData\Local\Temp\bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\APQNW.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024 -
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:2096
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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:2000 -
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:2228
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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:1452
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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
MD5d49d867fb0af04e6b2170919939ea130
SHA1b855aec708aa712234accae32a0166bbb4205b43
SHA25648dabd5d215391700256915b9978be9f1961b0f9467ec0fbabd786d930de4281
SHA512ad2de42fe43e1b5da7a071cbf8a3f803b53598464e808d26e9ed8486231922dfde0fdd4182836ba4957b0dffd1a5dd25fa090113a26f862a4d4dfb5c4afd1e50