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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23/10/2024, 11:35
Behavioral task
behavioral1
Sample
621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe
Resource
win10v2004-20241007-en
General
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Target
621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe
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Size
29KB
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MD5
0fa4fbdc1354043c6dadaa8abad5d1a0
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SHA1
e1fa8bb41e526ccd24fac28200921ffcf0018d8b
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SHA256
621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280
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SHA512
cbd95610543a413aeff503f450b9da67b4fa4a7d7318050482144a8392bb44e7b33994458331a2431e226fa964a58e05b8c698b2150ccff18d8b247173183822
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/2:AEwVs+0jNDY1qi/qO
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/1896-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1896-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1896-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1896-139-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1896-164-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 1204 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" 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1896-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b69-4.dat upx behavioral2/memory/1204-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1896-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1204-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1204-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1204-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1204-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1204-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1204-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1204-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1204-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1204-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1204-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1204-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1896-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1896-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1204-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000f000000023a68-67.dat upx behavioral2/memory/1896-139-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1204-140-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1896-164-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1204-165-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1204-169-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe File opened for modification C:\Windows\java.exe 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe File created C:\Windows\java.exe 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.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 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1896 wrote to memory of 1204 1896 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe 84 PID 1896 wrote to memory of 1204 1896 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe 84 PID 1896 wrote to memory of 1204 1896 621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe"C:\Users\Admin\AppData\Local\Temp\621879871fc3aa8c09c753bf191781f049a85f82d3fb7951bacb79d350ca1280N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1896 -
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:1204
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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
320B
MD5ee084a56ae018cfb49d4fe45d1f81875
SHA17c95b39d7a233eacd6a16fd0a1ece1ca11a74b48
SHA256255d568bdca3122a6500e2b3d2aa92942e42cb2da015714294b9bae8829723d6
SHA512dc538dc2c8ada096cda727c9e87d5c1eed1c43d93ffc8c8a8c545c132d50e00793f82d28b791eefb7595ed227d1cdd47d73556b800a8acb9d7ff69c4c2fee1c4
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Filesize
29KB
MD54500f67d977f8ae2235882489d4c9dff
SHA1eee5debde23eaffff244f4e6f448a111b8584d9d
SHA256d7cf47faa3949b23c60ad0e6a7fda014d6f8ea78def1c6f140803a9805567f38
SHA5120b3ef60117df4d1f548e1d1f261afa9c15bdbbbcf8f782600a6a5c6618ecd5e8edefa973a4da31d7b67bb283a4d57d946e86bc1756ea8f5e2f96096d6de1b316
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Filesize
352B
MD5ee990d96795d0f7b6a8bca201a1fe567
SHA10fb16e260e0906a84aad9e96eb9f241de2cf6ce7
SHA2562857818eb50c4a428edc01baac054a4059c6642fea4d0d8addf16df74f0333f1
SHA51259aca9dbe45a44cecaf281fb052029df81fd02f7fab472630992f3703254789d18614acc995c5cb4eceadd70c50597be0eea9239d4b6bd948bf9dd17a30ec5c0
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Filesize
352B
MD53623854a5b457c5d588df822f99c64b4
SHA14f8d8217ab0334130705feb54a09989cf4bb28fe
SHA256980648a6527a28ad54a8344af24c30d4d7759a715672ca24851f1ec7dc5e5ede
SHA512f6a29b7aa9bf4e0e017f7571235f46cf356b889dde85bdbb313f8e1abe3e24409316918ed492ebb50afc4ba2076ee0667c99f703bebb5ddc82a2d48f4b092700
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2