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Analysis
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max time kernel
119s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26/09/2024, 22:37
Behavioral task
behavioral1
Sample
a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe
Resource
win10v2004-20240802-en
General
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Target
a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe
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Size
90KB
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MD5
e4e9bb334352b2a9a918f633aef3d380
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SHA1
9dbc70bc0481951993db0fbdd1212b96c73185e0
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SHA256
a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43
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SHA512
5ae532966ffa636a826008411e0847b736e5eba1689df0da3421e7ba8518f218e1f5d9e070e182ed7ddcfc2c2b40f1ce6ed4b3259bc7382ef823055c6ee2c503
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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 1 IoCs
resource yara_rule behavioral1/memory/2084-265-0x0000000000400000-0x0000000000414000-memory.dmp modiloader_stage2 -
Executes dropped EXE 3 IoCs
pid Process 1232 csrsll.exe 1692 csrsll.exe 2084 csrsll.exe -
Loads dropped DLL 5 IoCs
pid Process 2620 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 2620 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 2620 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 2620 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 2620 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\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 2344 set thread context of 2620 2344 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 30 PID 1232 set thread context of 1692 1232 csrsll.exe 35 PID 1232 set thread context of 2084 1232 csrsll.exe 36 -
resource yara_rule behavioral1/memory/2344-0-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2344-92-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2344-85-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-101-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-108-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-107-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-105-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2344-103-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-97-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-95-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2344-82-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2344-81-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2344-26-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/files/0x000800000001211a-147.dat upx behavioral1/memory/2620-136-0x0000000003310000-0x0000000003363000-memory.dmp upx behavioral1/memory/2620-155-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2620-156-0x0000000003310000-0x0000000003363000-memory.dmp upx behavioral1/memory/2620-157-0x0000000003310000-0x0000000003363000-memory.dmp upx behavioral1/memory/1232-219-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1232-254-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/2620-258-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2084-255-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1692-262-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/memory/2084-265-0x0000000000400000-0x0000000000414000-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 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe Token: SeDebugPrivilege 1692 csrsll.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2344 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 2620 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 1232 csrsll.exe 1692 csrsll.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2344 wrote to memory of 2620 2344 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 30 PID 2344 wrote to memory of 2620 2344 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 30 PID 2344 wrote to memory of 2620 2344 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 30 PID 2344 wrote to memory of 2620 2344 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 30 PID 2344 wrote to memory of 2620 2344 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 30 PID 2344 wrote to memory of 2620 2344 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 30 PID 2344 wrote to memory of 2620 2344 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 30 PID 2344 wrote to memory of 2620 2344 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 30 PID 2620 wrote to memory of 272 2620 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 31 PID 2620 wrote to memory of 272 2620 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 31 PID 2620 wrote to memory of 272 2620 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 31 PID 2620 wrote to memory of 272 2620 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 31 PID 272 wrote to memory of 2420 272 cmd.exe 33 PID 272 wrote to memory of 2420 272 cmd.exe 33 PID 272 wrote to memory of 2420 272 cmd.exe 33 PID 272 wrote to memory of 2420 272 cmd.exe 33 PID 2620 wrote to memory of 1232 2620 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 34 PID 2620 wrote to memory of 1232 2620 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 34 PID 2620 wrote to memory of 1232 2620 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 34 PID 2620 wrote to memory of 1232 2620 a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe 34 PID 1232 wrote to memory of 1692 1232 csrsll.exe 35 PID 1232 wrote to memory of 1692 1232 csrsll.exe 35 PID 1232 wrote to memory of 1692 1232 csrsll.exe 35 PID 1232 wrote to memory of 1692 1232 csrsll.exe 35 PID 1232 wrote to memory of 1692 1232 csrsll.exe 35 PID 1232 wrote to memory of 1692 1232 csrsll.exe 35 PID 1232 wrote to memory of 1692 1232 csrsll.exe 35 PID 1232 wrote to memory of 1692 1232 csrsll.exe 35 PID 1232 wrote to memory of 2084 1232 csrsll.exe 36 PID 1232 wrote to memory of 2084 1232 csrsll.exe 36 PID 1232 wrote to memory of 2084 1232 csrsll.exe 36 PID 1232 wrote to memory of 2084 1232 csrsll.exe 36 PID 1232 wrote to memory of 2084 1232 csrsll.exe 36 PID 1232 wrote to memory of 2084 1232 csrsll.exe 36 PID 1232 wrote to memory of 2084 1232 csrsll.exe 36 PID 1232 wrote to memory of 2084 1232 csrsll.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe"C:\Users\Admin\AppData\Local\Temp\a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Users\Admin\AppData\Local\Temp\a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.exe"C:\Users\Admin\AppData\Local\Temp\a8c597dd63151c7cf6b86ca7aaf7796e64386929ceba1aa2fee2866ee3ef7b43N.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\SECGB.bat" "3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:272 -
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:2420
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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:1232 -
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:1692
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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:2084
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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
MD524ff495421b8a0f754aa0c822ba84f9a
SHA1fa59dab0be3d5ccfc6338bbb041d51d3bb083160
SHA256971f0c0b30021dd50404b8acf77b3ad8abc70c407c7b3b0b22a4478f974c2a94
SHA5123a7d04c43c208e04379a9ce753dad025bc5239ea398d059b270ac1e45295b348e1945747e0a5f6ab3c91acf04e629eb73e2b623ceea62acbee2fdd34dde1875d