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
22-12-2024 16:37
Behavioral task
behavioral1
Sample
5f7ccfa378f1b56a788a038d590e8f86d3d9104f7c1f5744204738d47f73766bN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5f7ccfa378f1b56a788a038d590e8f86d3d9104f7c1f5744204738d47f73766bN.exe
Resource
win10v2004-20241007-en
General
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Target
5f7ccfa378f1b56a788a038d590e8f86d3d9104f7c1f5744204738d47f73766bN.exe
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Size
29KB
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MD5
6b1d63f0ca02c48015b77dbdad76bc40
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SHA1
6a4bfb6d69a0ea229993074683a213f09e2089dc
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SHA256
5f7ccfa378f1b56a788a038d590e8f86d3d9104f7c1f5744204738d47f73766b
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SHA512
92b36beba9ef53051c885f1fff145e19329d795b9098f3afd96c104511103ba70872d6bb5634ab5d16e241750e162b88d763c66ef020fe7cd86d4712621cf00b
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/1hp:AEwVs+0jNDY1qi/qtT
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/1740-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1740-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1740-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1740-123-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1740-145-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1740-152-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1740-181-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1940 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" 5f7ccfa378f1b56a788a038d590e8f86d3d9104f7c1f5744204738d47f73766bN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1740-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1940-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0008000000023cc3-4.dat upx behavioral2/memory/1740-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1940-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1940-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1940-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1940-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1940-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1940-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1740-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1740-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1940-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x003c000000023b7a-43.dat upx behavioral2/memory/1740-123-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1940-124-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1740-145-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1940-146-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1940-151-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1740-152-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1940-153-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1740-181-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1940-186-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 5f7ccfa378f1b56a788a038d590e8f86d3d9104f7c1f5744204738d47f73766bN.exe File opened for modification C:\Windows\java.exe 5f7ccfa378f1b56a788a038d590e8f86d3d9104f7c1f5744204738d47f73766bN.exe File created C:\Windows\java.exe 5f7ccfa378f1b56a788a038d590e8f86d3d9104f7c1f5744204738d47f73766bN.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 5f7ccfa378f1b56a788a038d590e8f86d3d9104f7c1f5744204738d47f73766bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1740 wrote to memory of 1940 1740 5f7ccfa378f1b56a788a038d590e8f86d3d9104f7c1f5744204738d47f73766bN.exe 82 PID 1740 wrote to memory of 1940 1740 5f7ccfa378f1b56a788a038d590e8f86d3d9104f7c1f5744204738d47f73766bN.exe 82 PID 1740 wrote to memory of 1940 1740 5f7ccfa378f1b56a788a038d590e8f86d3d9104f7c1f5744204738d47f73766bN.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\5f7ccfa378f1b56a788a038d590e8f86d3d9104f7c1f5744204738d47f73766bN.exe"C:\Users\Admin\AppData\Local\Temp\5f7ccfa378f1b56a788a038d590e8f86d3d9104f7c1f5744204738d47f73766bN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740 -
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:1940
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
312B
MD5c15952329e9cd008b41f979b6c76b9a2
SHA153c58cc742b5a0273df8d01ba2779a979c1ff967
SHA2565d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7
SHA5126aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD5cca7d1a6ce2e90af8c0215a71e3b48bb
SHA13535cf30203878a81de5ca3a4db52caecc29b1e1
SHA2566f63fcab5c3fa43e7c1ca5528e816429ad5dfdcf0c0b30cb6e74348bb9c6c87d
SHA5123198f091b9544647d415e250d4b1c9a7e40fee8957d4df27a5519cedbfea1e682b4bad443b1b945164c51c8165e626950b3be07ffe04a56ffb4732a7a77b2cd6
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Filesize
320B
MD54f0522919ee305b352c5f157ded67db5
SHA1d537060bf38473cb216c2de99d7da665127db53b
SHA25671489703ceb72435444294500ec30f01ad4770e2f5fbe29ae5f8aa08796524ac
SHA512d131f5004579c75dcf2a1d3ffe319938da11be6b0edc697194a4ddb371af7e457d554e2a203a9c28b38ffa4e1cce37bfe91f179a241c672f3dbe750a20d28a36
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Filesize
320B
MD5184a161595a00f50f3d443064df8a0d4
SHA149f85a527678f35608e03ba873d4be667e340ac6
SHA2566dd45abd088e0d8db35b00d71ea5de7591ab1b12c72c65e8007774b412d23673
SHA512c8bf7a0f17f39c339677c24b849bc4efcbec5cdc9c7343ffeabd1b54542fc16422e4febba3cd66f3a2a03131ecb65213b4d831da3832a284f08a1ec28eee5b23
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2