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
10-12-2024 23:54
Behavioral task
behavioral1
Sample
71d975570f24fb808ab65ad676bd02a7d5fdf1135e91b763397ff29d6855a88f.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
71d975570f24fb808ab65ad676bd02a7d5fdf1135e91b763397ff29d6855a88f.exe
Resource
win10v2004-20241007-en
General
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Target
71d975570f24fb808ab65ad676bd02a7d5fdf1135e91b763397ff29d6855a88f.exe
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Size
29KB
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MD5
14f42f2ae6066107bcb5327c551e6e99
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SHA1
cf1724567a6b066651dd633537eb1c8f645021b1
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SHA256
71d975570f24fb808ab65ad676bd02a7d5fdf1135e91b763397ff29d6855a88f
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SHA512
1e2b5dcb5fe04999c4c86ff5d04a2735739e8e3dc857031af52b6f0f129bd96295a3e2e874325daef0b1270ebf179fe5e39399d5973ce60e72121c51775f86fc
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/O5:AEwVs+0jNDY1qi/q8
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/4596-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4596-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4596-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4596-155-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4596-177-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4596-184-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4976 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" 71d975570f24fb808ab65ad676bd02a7d5fdf1135e91b763397ff29d6855a88f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4596-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023cad-4.dat upx behavioral2/memory/4976-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4596-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4976-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4976-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4976-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4976-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4976-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4976-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4976-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4976-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4976-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4596-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4976-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4596-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4976-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000709-62.dat upx behavioral2/memory/4596-155-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4976-162-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4596-177-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4976-178-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4976-180-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4596-184-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4976-185-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 71d975570f24fb808ab65ad676bd02a7d5fdf1135e91b763397ff29d6855a88f.exe File opened for modification C:\Windows\java.exe 71d975570f24fb808ab65ad676bd02a7d5fdf1135e91b763397ff29d6855a88f.exe File created C:\Windows\java.exe 71d975570f24fb808ab65ad676bd02a7d5fdf1135e91b763397ff29d6855a88f.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 71d975570f24fb808ab65ad676bd02a7d5fdf1135e91b763397ff29d6855a88f.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4596 wrote to memory of 4976 4596 71d975570f24fb808ab65ad676bd02a7d5fdf1135e91b763397ff29d6855a88f.exe 83 PID 4596 wrote to memory of 4976 4596 71d975570f24fb808ab65ad676bd02a7d5fdf1135e91b763397ff29d6855a88f.exe 83 PID 4596 wrote to memory of 4976 4596 71d975570f24fb808ab65ad676bd02a7d5fdf1135e91b763397ff29d6855a88f.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\71d975570f24fb808ab65ad676bd02a7d5fdf1135e91b763397ff29d6855a88f.exe"C:\Users\Admin\AppData\Local\Temp\71d975570f24fb808ab65ad676bd02a7d5fdf1135e91b763397ff29d6855a88f.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4596 -
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:4976
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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
320B
MD5248ffccad6813a960745ba498026d633
SHA137d5697f196a298dd4c91c19690851c0f7c8489b
SHA25687701453405de9bf4c9556e69ef7f3107be28aad54cca21d8570892815dc1767
SHA512d7d2c89da811a0b11b7c5fb3d75f75b82a874b322f1690ecee4c181e22de36858fcfc60f16405ce2a6f8df7678694b47f14bb2c78bb6976116e527c2d544d2eb
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Filesize
29KB
MD59da5d0d5fe71a8c47192614b5014cd6d
SHA10575f84339ac5bafc87ca34b77048fdaa105a275
SHA256e6b577df5b5012847e8302dfc77155becaa2a3708b291b5af861eaf89e096cfb
SHA512ee49efb7304bd7dc0cd9586dc2002ef27c80a658c686eb34bb834610dfb548fc3d44e69853fe13fb2e696a7700e704bd5f86939fb919c058d3c1ceb83881d0b4
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Filesize
352B
MD5589736967604f238f5ea1052d9428aa5
SHA1b91170b8e63d84e9bd7cf028d616c5b9e2d0b82b
SHA25610083ddaff959d2e6e28601397e5847d3b2bbf5074a6e3d08c654d115a9cddbd
SHA5122e961c63fde7ea1687a4b0ebf530f8c520851e0ef7334c8438c61dbc8d87e2e638e720b51da2569d335d080967e4b531fa1ab3fa4832a83fa77f69ce24bea19b
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Filesize
352B
MD5d6097aca2f66f88176958742764b3e2f
SHA119dd49d1756bca6a1b815e04e5790c3368b1a6d9
SHA256b9c2703d3deee4516361d5f68814391c4ceb19b8c30edda81bf91761d2519767
SHA512e087f54867594ff571d92d3f2bcf61bcd8baacc822985b43993248c9ecc4d9795b3f839392d650fd77bb2410d4fedcb0c68903c2defcd94982f15786ada6abe8
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Filesize
352B
MD59428aa5f6fde6ab242725de6b4a76f6f
SHA1cd0fe37ba9d4ff4efae93ecd55764d03c7487a29
SHA256b48b56056b002bfd615027957eb3b529008b3560104c55eb452b7787f9211519
SHA512d7dfe84e28f4d70770e6e028dc1b0a90dc408d098ee540f346baf372d36e65dc6950f9c88253a66220f54275338be8ed37f777aba8d08eaa68985c4079718134
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2