Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30-12-2024 01:48
Behavioral task
behavioral1
Sample
a0dc5feca5fe89abc0de0ba5efa5a22c4e9ca2d7123668178154127e88791c14.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a0dc5feca5fe89abc0de0ba5efa5a22c4e9ca2d7123668178154127e88791c14.exe
Resource
win10v2004-20241007-en
General
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Target
a0dc5feca5fe89abc0de0ba5efa5a22c4e9ca2d7123668178154127e88791c14.exe
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Size
29KB
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MD5
29d3a3f10bca3e9e0727711688042e2a
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SHA1
5a4efc78dd80d5e0c928a390bc7a0031e140f745
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SHA256
a0dc5feca5fe89abc0de0ba5efa5a22c4e9ca2d7123668178154127e88791c14
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SHA512
7365ece13dc994c5f0c8fb4bdc5dbaf060ef586c862815c192cf35c37b844f74734ea8ab4212760da2a13baeafea184611f3d9fba33b9f267520f76be2de7df5
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/YhQ:AEwVs+0jNDY1qi/qgm
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/3940-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3940-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3940-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3940-133-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3940-168-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3940-175-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3940-204-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 5056 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" a0dc5feca5fe89abc0de0ba5efa5a22c4e9ca2d7123668178154127e88791c14.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3940-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b8e-4.dat upx behavioral2/memory/5056-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3940-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5056-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5056-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5056-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5056-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5056-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5056-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5056-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5056-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5056-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3940-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3940-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5056-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000703-60.dat upx behavioral2/memory/3940-133-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5056-134-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3940-168-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5056-169-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5056-174-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3940-175-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5056-176-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3940-204-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5056-205-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe a0dc5feca5fe89abc0de0ba5efa5a22c4e9ca2d7123668178154127e88791c14.exe File opened for modification C:\Windows\java.exe a0dc5feca5fe89abc0de0ba5efa5a22c4e9ca2d7123668178154127e88791c14.exe File created C:\Windows\java.exe a0dc5feca5fe89abc0de0ba5efa5a22c4e9ca2d7123668178154127e88791c14.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a0dc5feca5fe89abc0de0ba5efa5a22c4e9ca2d7123668178154127e88791c14.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3940 wrote to memory of 5056 3940 a0dc5feca5fe89abc0de0ba5efa5a22c4e9ca2d7123668178154127e88791c14.exe 84 PID 3940 wrote to memory of 5056 3940 a0dc5feca5fe89abc0de0ba5efa5a22c4e9ca2d7123668178154127e88791c14.exe 84 PID 3940 wrote to memory of 5056 3940 a0dc5feca5fe89abc0de0ba5efa5a22c4e9ca2d7123668178154127e88791c14.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\a0dc5feca5fe89abc0de0ba5efa5a22c4e9ca2d7123668178154127e88791c14.exe"C:\Users\Admin\AppData\Local\Temp\a0dc5feca5fe89abc0de0ba5efa5a22c4e9ca2d7123668178154127e88791c14.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3940 -
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:5056
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD5cc538f62af7a949dd55923f4207f239c
SHA1908eac77edf6fb1178f53f04751fa7bf02ff20cf
SHA256ee70cc13d4d1d73ef3c4ef9eb0179e2e6e68fd6e790c8d15d32c2fd56a1f4eb7
SHA5122cdd22264ba142bf028b5263913a96a632fb8490f4ab728682ef2bc6539697efffb4527652555089d55a90c6a676905b6a3aaf369d08d75cb514b0f3322b6fa4
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Filesize
320B
MD5210e307a6600395297e1c0966822970e
SHA196cdf38b91ef3e01dfbebbe15c901827de5a791a
SHA2565ead1818178457e0aebaeb34f9e883ffed18ddcf89e30b0689fe227e88ea1896
SHA5127c9f7c67bf4b90e4416dddf2d6e397036e92cd2bb6ee26c40e9dfdd55e84eb32ee1b70e603a4012434c0fa5a9e7dd1003d121754362dc393ff0d641b5d347329
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Filesize
320B
MD598fb7169e5e78ddb249d2cd0ee0bfa82
SHA1ef94a5f3a8167d8ec750f22a8ff20c555a855f4f
SHA25648ae360921bf2b86c52e0f6936c1b3a1446972fa8b609556857906c0ee049410
SHA5128e4e068d4b2b9b0ca3949af066ab337be7f9241b6b3390146f3932d64155665cd7c84d3ea491597c1b1cce10177e292bfb4073b81dc5e48adac20454c4bd87d5
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2