Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-01-2025 13:08
Behavioral task
behavioral1
Sample
5644e1bd21aa04647ce37ff40d3a4ff11bf014494f2cdca12e002d64abe22f9fN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
5644e1bd21aa04647ce37ff40d3a4ff11bf014494f2cdca12e002d64abe22f9fN.exe
Resource
win10v2004-20241007-en
General
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Target
5644e1bd21aa04647ce37ff40d3a4ff11bf014494f2cdca12e002d64abe22f9fN.exe
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Size
29KB
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MD5
c5c5dbd5f6fc971a570aff8ed74d3f00
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SHA1
395102aa3e4ca2eb68766a52976054ed0da0f4cd
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SHA256
5644e1bd21aa04647ce37ff40d3a4ff11bf014494f2cdca12e002d64abe22f9f
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SHA512
95e1dc69f057ec4d00248d6c080de7375cd9c6dd658001a45f2fdc6847ff5c21fc3ff533e6a4f263dc9f424c575fcd92f99ee25852582411eb464470ee9e2dfb
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/F2:AEwVs+0jNDY1qi/qU
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/2176-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2176-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2176-119-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2176-156-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2176-165-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2176-184-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2176-222-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2272 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" 5644e1bd21aa04647ce37ff40d3a4ff11bf014494f2cdca12e002d64abe22f9fN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2176-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2272-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0009000000023ba9-4.dat upx behavioral2/memory/2176-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2272-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2272-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2272-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2272-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2272-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2176-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2272-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0009000000023c42-38.dat upx behavioral2/memory/2176-119-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2272-120-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2176-156-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2272-157-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2272-161-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2176-165-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2272-166-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2176-184-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2272-192-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2176-222-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2272-223-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 5644e1bd21aa04647ce37ff40d3a4ff11bf014494f2cdca12e002d64abe22f9fN.exe File created C:\Windows\java.exe 5644e1bd21aa04647ce37ff40d3a4ff11bf014494f2cdca12e002d64abe22f9fN.exe File created C:\Windows\services.exe 5644e1bd21aa04647ce37ff40d3a4ff11bf014494f2cdca12e002d64abe22f9fN.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 5644e1bd21aa04647ce37ff40d3a4ff11bf014494f2cdca12e002d64abe22f9fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2176 wrote to memory of 2272 2176 5644e1bd21aa04647ce37ff40d3a4ff11bf014494f2cdca12e002d64abe22f9fN.exe 83 PID 2176 wrote to memory of 2272 2176 5644e1bd21aa04647ce37ff40d3a4ff11bf014494f2cdca12e002d64abe22f9fN.exe 83 PID 2176 wrote to memory of 2272 2176 5644e1bd21aa04647ce37ff40d3a4ff11bf014494f2cdca12e002d64abe22f9fN.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\5644e1bd21aa04647ce37ff40d3a4ff11bf014494f2cdca12e002d64abe22f9fN.exe"C:\Users\Admin\AppData\Local\Temp\5644e1bd21aa04647ce37ff40d3a4ff11bf014494f2cdca12e002d64abe22f9fN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176 -
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:2272
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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
MD53ad32c1adfa5a37e79c3ef5714071230
SHA151d0206e5c49cfab14c17f0ccee34e2356711dc4
SHA256ced8fded557fbf37c3f9bd3022273ee3ea5b84065541d7ed38fe44cf01a50aa3
SHA512a8fd147f1b8b9eea59341ba5f7e266568eaeb3888e48b0047e62f5ce5876c9393b19619759536bc45a2368832956a94f89b8e153e754b76351442340065096a8
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Filesize
352B
MD50f4437299dab896e0443995075f55cd0
SHA12db23674fb1f9ae6e0c62aa639c66fb921845f0e
SHA2560f9fb3f25039554bc65ef66b65dfc09d858281f4b83262540fd637f75659fe24
SHA5129ed8056379f352379627df5015dd2ddfad34739fb19e2188c4ff699be1e353945d4d73109743b97543639137e1651d49e427f18dbfdfd3615d3a2159e134ad76
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Filesize
352B
MD5b44d614eafca4a62973154c5a0178d2c
SHA1b3f644f1939c593b824c96a6e64848b3fe368d13
SHA256a94f383a2d14a9e6463ed38c297bd94fe6eea41beb020333d02fbd4b421152ef
SHA51299f846def00664cac7c28b1406638050e69b54b12ce29c715c3b92e2e8a12c6a9b08831387731f2402942d61c7d6523f5e93a9dd432c2bb18f4b3620e4e05967
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Filesize
352B
MD51059b4038010c7a09b83bf576ad84e96
SHA12bdbfe5f7c227b0c1321fc6bd524b537ba996a85
SHA2561d784bb26aa201ac596000dde1d3325d87b992f53c8eef28f229bb79712417e8
SHA5121d715865bea2da5284fc785bd51f6943d71f26a63767ecff66a714a1e8f9ee613fe32c7e20daebc41cc9c52f2a655c1bf6c21b5db2fbd542e37a50e0ad86cbf6
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2