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Analysis
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max time kernel
120s -
max time network
120s -
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, 16:01
Behavioral task
behavioral1
Sample
2275ba1cf2a6677cda795c872f1c301d514c7b971a2257f802b2fd383d11eb55N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2275ba1cf2a6677cda795c872f1c301d514c7b971a2257f802b2fd383d11eb55N.exe
Resource
win10v2004-20240802-en
General
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Target
2275ba1cf2a6677cda795c872f1c301d514c7b971a2257f802b2fd383d11eb55N.exe
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Size
29KB
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MD5
9e709ef2996b74bbd154390b082980f0
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SHA1
e7f2ff7bd79eee661b0ed1e17c181c50495bdce8
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SHA256
2275ba1cf2a6677cda795c872f1c301d514c7b971a2257f802b2fd383d11eb55
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SHA512
ea7786f5790c78bff35599e1a1fe3e3749d3360981c7547c8b4683e84d9d4392c0028dfed09d39c01300b8519e4a290fa54e9b6624aaf975a1dac3230cd37731
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/6/f:AEwVs+0jNDY1qi/qC3
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral2/memory/1940-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1940-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1940-116-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 3732 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" 2275ba1cf2a6677cda795c872f1c301d514c7b971a2257f802b2fd383d11eb55N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1940-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000a000000023396-4.dat upx behavioral2/memory/3732-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1940-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3732-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3732-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3732-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3732-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3732-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3732-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3732-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3732-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3732-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3732-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1940-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3732-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000705-65.dat upx behavioral2/memory/1940-116-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3732-117-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 2275ba1cf2a6677cda795c872f1c301d514c7b971a2257f802b2fd383d11eb55N.exe File opened for modification C:\Windows\java.exe 2275ba1cf2a6677cda795c872f1c301d514c7b971a2257f802b2fd383d11eb55N.exe File created C:\Windows\java.exe 2275ba1cf2a6677cda795c872f1c301d514c7b971a2257f802b2fd383d11eb55N.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 2275ba1cf2a6677cda795c872f1c301d514c7b971a2257f802b2fd383d11eb55N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1940 wrote to memory of 3732 1940 2275ba1cf2a6677cda795c872f1c301d514c7b971a2257f802b2fd383d11eb55N.exe 84 PID 1940 wrote to memory of 3732 1940 2275ba1cf2a6677cda795c872f1c301d514c7b971a2257f802b2fd383d11eb55N.exe 84 PID 1940 wrote to memory of 3732 1940 2275ba1cf2a6677cda795c872f1c301d514c7b971a2257f802b2fd383d11eb55N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2275ba1cf2a6677cda795c872f1c301d514c7b971a2257f802b2fd383d11eb55N.exe"C:\Users\Admin\AppData\Local\Temp\2275ba1cf2a6677cda795c872f1c301d514c7b971a2257f802b2fd383d11eb55N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940 -
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:3732
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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
MD5f887b7a94609557efd606ddd852f0734
SHA1117c59766cb49f54d935bec5ef99f561fb8b0854
SHA2568e603f66a54c4def36e964c177ecf1953f2b03dfac5049ff68fdb1d37fb3fea2
SHA5120c6602dd2edc56c270c095d3ee986957569a5c0c1cc94f98d548161569b46e1c931fc3a332f621f290837f366fb2b582f9cbcb77ce705ea3ed597e8e534f8ad1
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Filesize
320B
MD5f9c88dceece8f67c4614f7a5fa9a744d
SHA1c9a19249a20abf942945922236ddd3ce1358d7f2
SHA256d727a0cd019ef8d6ed4d2a3260a7e7a7e536127f94f898624f7de8ea9580e25d
SHA512261cc83c22059353111e945aca33cb3fe3df4ea2ab8e422cf421fecf888253515fefe0f1b3a3fda502d5c7a75163e1a84274a64649c85a4bc41283f1beee1654
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2