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Analysis
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max time kernel
150s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28/09/2024, 19:53
Behavioral task
behavioral1
Sample
27bfb8104baabbabd4bf7facf3bc4d0263e87b4c60f0652db49ebe86cbc735e8.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
27bfb8104baabbabd4bf7facf3bc4d0263e87b4c60f0652db49ebe86cbc735e8.exe
Resource
win10v2004-20240802-en
General
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Target
27bfb8104baabbabd4bf7facf3bc4d0263e87b4c60f0652db49ebe86cbc735e8.exe
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Size
29KB
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MD5
6e7bd58e5ef36b0fe0572f82506333a2
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SHA1
4a2efb2acea362cf536e41e0e238ca8d32fecf5c
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SHA256
27bfb8104baabbabd4bf7facf3bc4d0263e87b4c60f0652db49ebe86cbc735e8
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SHA512
ab9444ae3354639ced1f987b7cbe4cf759459b502cd7c99a4e803ad6d145cde08c969516682dd13493d589a91c361cbe7a7b148f52fd621e332852244baface0
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/T:AEwVs+0jNDY1qi/q7
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/4932-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4932-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4932-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4932-132-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4932-168-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4932-174-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4932-198-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 1708 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" 27bfb8104baabbabd4bf7facf3bc4d0263e87b4c60f0652db49ebe86cbc735e8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4932-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x00080000000234bb-4.dat upx behavioral2/memory/1708-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4932-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1708-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1708-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1708-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1708-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1708-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1708-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1708-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1708-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1708-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4932-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4932-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1708-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000705-60.dat upx behavioral2/memory/4932-132-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1708-133-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4932-168-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1708-169-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1708-173-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4932-174-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1708-175-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4932-198-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1708-199-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 27bfb8104baabbabd4bf7facf3bc4d0263e87b4c60f0652db49ebe86cbc735e8.exe File opened for modification C:\Windows\java.exe 27bfb8104baabbabd4bf7facf3bc4d0263e87b4c60f0652db49ebe86cbc735e8.exe File created C:\Windows\java.exe 27bfb8104baabbabd4bf7facf3bc4d0263e87b4c60f0652db49ebe86cbc735e8.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 27bfb8104baabbabd4bf7facf3bc4d0263e87b4c60f0652db49ebe86cbc735e8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4932 wrote to memory of 1708 4932 27bfb8104baabbabd4bf7facf3bc4d0263e87b4c60f0652db49ebe86cbc735e8.exe 83 PID 4932 wrote to memory of 1708 4932 27bfb8104baabbabd4bf7facf3bc4d0263e87b4c60f0652db49ebe86cbc735e8.exe 83 PID 4932 wrote to memory of 1708 4932 27bfb8104baabbabd4bf7facf3bc4d0263e87b4c60f0652db49ebe86cbc735e8.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\27bfb8104baabbabd4bf7facf3bc4d0263e87b4c60f0652db49ebe86cbc735e8.exe"C:\Users\Admin\AppData\Local\Temp\27bfb8104baabbabd4bf7facf3bc4d0263e87b4c60f0652db49ebe86cbc735e8.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4932 -
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:1708
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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
312B
MD5c15952329e9cd008b41f979b6c76b9a2
SHA153c58cc742b5a0273df8d01ba2779a979c1ff967
SHA2565d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7
SHA5126aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296
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Filesize
29KB
MD54d26914de2dc1941085ed97ce69c1f8f
SHA13821c602157ae675f6f67426a353a13824bc20bc
SHA256c6a375b892c9149a42301e696fbad947d5708e4e238b69d20ff216178b0c672c
SHA512ac7cc2b16b40b31c41683f88839808306df6d4d5d8d82605b786fa4ad1d508811755e574497c1ee5c4eb9f843bde01cd0c762d9ea43c2f3c0f79574dc4984673
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Filesize
320B
MD5e622d598a4979f740ab1ac313a298e36
SHA12245e88923794fdbff4a233e75c35e2018915793
SHA2562c93819283dd66c0f5ac454b4eeb946d0d7e52f5a32d077f8afb3ccd85e196d2
SHA512989fa57f59aa86a5e2b670f7a05cd4878eba70ff9298d7322e3e5adb6c67fd18957a00f6a5ba839e85bfba2ee7473f88eeb7ad35f80ea0f1d1d335598daff534
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Filesize
320B
MD500d0d5fde44323a7a57ac89f8938e0cd
SHA143ad34933eb8026b572591ed14f3b17e0321cfe5
SHA256df2e29cd2ee3541adbbd61eed43ae77f656b63a38c4f1d99caad1950291d987b
SHA51238412cb2cb4f7a657f7d8a5533182ae3b545d54a8003c95ea1c52fdb783873da5d8dd591d74afdbe64cda438519ed33ce88a2333a4d6e9454cf615ac3b09403d
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Filesize
320B
MD51755abb04e9ce0fc8189754531e655c3
SHA104ee1e354977acef6e13e3c4a85da9969a6a10eb
SHA2564e2019d5deccd556622f6a69e369a4423b81ce48dc28c03ac98d730d5074cfc3
SHA51274efefbefa13c3d4208c9d2d64e2a8c175166a3041100ca39b325f84bf5a0ee94c67336df794e585018048f1ff03f8e3749cd6d157dca1014b9bcb9301a4efe9
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2