Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-11-2024 05:35
Behavioral task
behavioral1
Sample
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe
Resource
win10v2004-20241007-en
General
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Target
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe
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Size
29KB
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MD5
375a16b9e64f2e89ab3e7b6bac2292f0
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SHA1
ea49cf503f0f0b91c463bcdc197d2b5429649620
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SHA256
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680
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SHA512
2a186b3d0e34d9a5dbabad7f9ffa47ea7630543087f475c19d223642bea2f149e7c96e028af236caf60ddde47f01fd98ad195be074d4802d198a8aa9f84808d9
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/yp:AEwVs+0jNDY1qi/qg
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1976-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1976-53-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1976-72-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1976-76-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
Processes:
services.exepid Process 2008 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exeservices.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Processes:
resource yara_rule behavioral1/memory/1976-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1976-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000f000000018662-9.dat upx behavioral1/memory/2008-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1976-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2008-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1976-53-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0005000000004ed7-64.dat upx behavioral1/memory/1976-72-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2008-73-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2008-77-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1976-76-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
Processes:
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exedescription ioc Process File created C:\Windows\services.exe b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe File opened for modification C:\Windows\java.exe b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe File created C:\Windows\java.exe b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exeservices.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exedescription pid Process procid_target PID 1976 wrote to memory of 2008 1976 b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe 30 PID 1976 wrote to memory of 2008 1976 b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe 30 PID 1976 wrote to memory of 2008 1976 b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe 30 PID 1976 wrote to memory of 2008 1976 b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe"C:\Users\Admin\AppData\Local\Temp\b8ed76b02d32ff063bc3c0ec228cf1422f07c86a67020f1891bbd6a12bc53680N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2008
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD591ef724c0a107e8dfdf670193afb9ae3
SHA1f67361ddefb365ce675a6d7c197bf3844492734d
SHA256fae7c610a51b02c713b4f1de93d010606c25c7cd2bb7efd93b2804bc22055e1c
SHA51262111b9ace17a91286368c14ee34ecdfaeeb9c8fbe42c2f4d2d861364de1c55232f0ca0708a4f17720438a3296562fce8f5dc6d6f625ac8822e2b07f59c00c7b
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Filesize
320B
MD52517751ee5efe5991282c2cf1b66202a
SHA104f5f87658e77f0193a61bf9dad0e3a8762e7126
SHA256654671630b4cad2c729692f6d9aff9853fe907fe1fa88d036fe75f674025170e
SHA51203aae03efe23f76f5ef026ac8a9162b564e45649ad0e683fb2be27aa7d68d3e521f8c31ab23c9c726691196406e6216350cff0197dd06a0a14033300a1af01a6
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
352B
MD5a90f075440bfca68b05c1a72ad658b1c
SHA1f2dc096be418dcdefa5d30c6e6f01f8d541be605
SHA256d80e810f88cc60babad8c5a8d859450327afd0f53991de7704729f60e656bca2
SHA5120889d663bd692a730cc5c99b9c1a02c876f17082d1cab529b5fa9f6054bab1aa876e7bed25d610584da46de05163664dfceb771a9ab96ba0a5fcf519ff596373
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2