Analysis
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max time kernel
150s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-12-2024 00:44
Behavioral task
behavioral1
Sample
61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d.exe
Resource
win10v2004-20241007-en
General
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Target
61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d.exe
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Size
29KB
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MD5
e2702248270d49dcfd71024f730ba9ce
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SHA1
03ddaa6b8a06fff65ea43982bd267a326fbfcbb7
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SHA256
61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d
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SHA512
c20d0fe71f3ae4681cdcfa9a74fc879b5757381ec5eb94f1ebf629ba963a0fda1f54cc1e7efb0ebfad47306ac1329cd05e28dc1202245b8f21230bc89a05fc4b
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/mhQ:AEwVs+0jNDY1qi/qOm
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/2128-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2128-62-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2128-83-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2128-87-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1248 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" 61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2128-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0008000000016276-6.dat upx behavioral1/memory/1248-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2128-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2128-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1248-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1248-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1248-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1248-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1248-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1248-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1248-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1248-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1248-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1248-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1248-58-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1248-63-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2128-62-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1248-68-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0004000000004ed7-73.dat upx behavioral1/memory/1248-84-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2128-83-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1248-88-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2128-87-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d.exe File opened for modification C:\Windows\java.exe 61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d.exe File created C:\Windows\java.exe 61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d.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 61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2128 wrote to memory of 1248 2128 61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d.exe 31 PID 2128 wrote to memory of 1248 2128 61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d.exe 31 PID 2128 wrote to memory of 1248 2128 61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d.exe 31 PID 2128 wrote to memory of 1248 2128 61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d.exe"C:\Users\Admin\AppData\Local\Temp\61a4ac84c561a9e8901fe8d68e130412ff26d1c64fbe7b70bb3e7b43f1f4e01d.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128 -
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:1248
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD500c5536d060f5b812498a8d5e0f63c36
SHA1ed3870fc1aacc14fbb465007c80e7a645fa36319
SHA25620ecc60303df9e7d55702d368f3a3deb95df9b14fa6136384a2e866cac4927c6
SHA5122f1e8b9c7d2f8638332adf8444b620290caac8335e3ff78de931c3ffb2201f9edbc1f0545c8a333439fe4e6278bff34f6669e982ec783f4619fc32c6669b1140
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Filesize
320B
MD5a88399669bc18b2c23d4195ad9963fa4
SHA182e7528917990de5c0663354fcf17097dbdac594
SHA25640e645d95ae9e4487ed16029de75ea68391fe5afd6b43645825a1cc68dc13899
SHA5120c2e82783538a72950a46932152c57dfd91c9fe3136c2ce0d1da230994a9b1fe6e02e5cf03df5fcf28d6b356cde7656142bdebeb991cc092880ce6e2660c11f5
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2