Analysis
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max time kernel
120s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-12-2024 06:05
Behavioral task
behavioral1
Sample
c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe
Resource
win10v2004-20241007-en
General
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Target
c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe
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Size
29KB
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MD5
b7a56348b10e20f6e5436954d81787f4
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SHA1
f4f3e470da644e5b9ba6b324b68a41faf0223a1e
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SHA256
c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca
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SHA512
0d44e5a4d3c73e50626bc0330dbd5c7ada7cad32860f34acf902df3662d8481a872f6011e5c1de8cfe157959c4da556d5892152fff4815e86ed100fe24f1f231
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/t:AEwVs+0jNDY1qi/qV
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral2/memory/3416-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3416-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3416-104-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1896 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" c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3416-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1896-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000a000000023b91-4.dat upx behavioral2/memory/3416-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1896-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1896-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1896-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1896-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1896-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1896-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1896-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1896-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1896-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1896-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3416-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1896-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000705-65.dat upx behavioral2/memory/3416-104-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1896-126-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe File opened for modification C:\Windows\java.exe c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe File created C:\Windows\java.exe c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.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 c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3416 wrote to memory of 1896 3416 c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe 83 PID 3416 wrote to memory of 1896 3416 c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe 83 PID 3416 wrote to memory of 1896 3416 c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe"C:\Users\Admin\AppData\Local\Temp\c3da8b5930acbecc6673f16913167b76590191e35fcba4f696b56cc7560664ca.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3416 -
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:1896
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
153KB
MD5170d90f521f1d230d8bd34ae29dd7199
SHA1c0ff621aa55202f2ba14af86cc1371ef293b4dcd
SHA256e6bd0ad0fc5e0c7b3013e6ce76d9e883cc382b4553d647a833f966c609586cd0
SHA512bdb191379e3adec62ba6227744e9e21c46be90fd21190aeabe8361b9cdb6ee6b5c5f93a62ad060b0bca212873c3e5250165bdec566d3509cdb685d76491b3279
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD593b8270a4e30fe529e23edbc5946d732
SHA1ce12d628e0b60d98e479f75939f2463cb85130bb
SHA2561dd2df337504fa1f7cc6f5db30ea8e0798ab6c28491709be797d6a96a4e2ba30
SHA512e6b47998350f8db00c8f2a153fdb436dce2083e025e521c39cce20b1db50df75359392aaf4766bd679cc25010c17a26831d30a661f5a32fa680b6058ad18a75b
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Filesize
384B
MD5b3dc7e7b9bcb466dec9180e577a1ed4c
SHA140406daa4398ccecf6239b4d67f200775561477c
SHA25689986a059772260f2636f08c1feca905524476d66a9bb59e10d3c159d4cd72ae
SHA51293c6898f748c644c7e462e8791fe944db8ac727f74c4eef5046ad3bf65a41d582a0158440fd566f398c209bcdfe5cd0bd87176ca9f45e02f3ae3cfcbd556830b
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2