Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-12-2024 01:51
Behavioral task
behavioral1
Sample
a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe
Resource
win10v2004-20241007-en
General
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Target
a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe
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Size
29KB
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MD5
1d98d81b68d72bee7e29ea22677c4946
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SHA1
c229c98bceb3a3b15268d23d8bdf319c5cc17a8e
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SHA256
a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8
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SHA512
2fc456e77ba638102fab0ac8792ce4df7ca5d0c524388c5882ba466ad0601bafd885393b3345f891f92dd761c9ed7ced18f934a022be355a64270fb2a856572d
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/6:AEwVs+0jNDY1qi/qS
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/1648-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1648-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1648-122-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1648-148-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1648-155-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 852 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" a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1648-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023cad-4.dat upx behavioral2/memory/852-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1648-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/852-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/852-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/852-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/852-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/852-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/852-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/852-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/852-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/852-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/852-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1648-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/852-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-65.dat upx behavioral2/memory/1648-122-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/852-124-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1648-148-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/852-149-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/852-151-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1648-155-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/852-156-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe File opened for modification C:\Windows\java.exe a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe File created C:\Windows\java.exe a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.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 a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1648 wrote to memory of 852 1648 a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe 83 PID 1648 wrote to memory of 852 1648 a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe 83 PID 1648 wrote to memory of 852 1648 a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe"C:\Users\Admin\AppData\Local\Temp\a50fd44c7fde1dbb4b2d5040bbe88091293df8766af08460914be8bec903a2e8.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1648 -
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:852
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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
MD5933286028b3d83dce67dfed8afda2c17
SHA144d495a3c7155e85ca4e22f5764abc2f53ded3a5
SHA256cfe199228c7c08dd6fa0634ddf41331b6f6e39d0aee28cd6a1f909d4c8139693
SHA512d2c7ef9f66c9164bb5b09da7672994e596578949a800dc559e20a9c04dc97db7dd8c1433869a695f269e56dba64ecff5734dbf16a9f50d3721f44848b24d69bf
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Filesize
320B
MD5015c0863c7e1d99174805483c991dc96
SHA13e90b54a86b5c71989784fea1946c29b5af26965
SHA2569a8f8360cd02ce4d2d38a6a437cfa6b88e12cb9b8d2eb58e5643791fb23cfd95
SHA5122c40d475c2615b9575b5a2c1397343ff77ad6fdc8d5c871939bd5ff7018ccfbb5a38560cc1ef00c1f3dec18e71770dadf48ca866dbf6f936168db8af4ac281f4
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Filesize
320B
MD5c62580672dfba4ff94e50c8a07281ac9
SHA127f6b7dd9ae90ac02a830f36a96974257ecf77e9
SHA25630661daaca155e20898b32531f94018c3b483c6357bf45ecab83c93affb5864a
SHA512e9287fbd8ed21d92150ed2f0b192b62f1906038088d3e09c776879f20ad901c241a4d0ee712f661b7a640c78c7474108ea06b27088da031c4cd2364aefdc835c
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2