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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
25/09/2024, 06:44
Behavioral task
behavioral1
Sample
d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01eN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01eN.exe
Resource
win10v2004-20240802-en
General
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Target
d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01eN.exe
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Size
29KB
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MD5
f8fe6fc4011a3ee519aa620eddffb6f0
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SHA1
4d164b35afc8272f145a1158ea089ff09fd4b551
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SHA256
d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01e
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SHA512
3c3486f33d0f9439043d25527157c9e15c5c34af055513d7621ead3c94b5a18173e67371897604507e59f69b481c1f7dd3994f0a751b683e141271694f5eeed7
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/8:AEwVs+0jNDY1qi/q0
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral2/memory/1712-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1712-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1712-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 4768 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" d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01eN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1712-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x00080000000234d9-4.dat upx behavioral2/memory/4768-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1712-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4768-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4768-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1712-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4768-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1712-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4768-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000d0000000006c3-70.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01eN.exe File created C:\Windows\java.exe d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01eN.exe File created C:\Windows\services.exe d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01eN.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 d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01eN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1712 wrote to memory of 4768 1712 d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01eN.exe 81 PID 1712 wrote to memory of 4768 1712 d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01eN.exe 81 PID 1712 wrote to memory of 4768 1712 d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01eN.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01eN.exe"C:\Users\Admin\AppData\Local\Temp\d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01eN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1712 -
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:4768
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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
MD5f8fe6fc4011a3ee519aa620eddffb6f0
SHA14d164b35afc8272f145a1158ea089ff09fd4b551
SHA256d5a2e87d6cf6bbe3d7d5568f9a229dd94f081b1860071ec21805ad740671a01e
SHA5123c3486f33d0f9439043d25527157c9e15c5c34af055513d7621ead3c94b5a18173e67371897604507e59f69b481c1f7dd3994f0a751b683e141271694f5eeed7
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Filesize
320B
MD55b5445fdb4433baf841d81635379944c
SHA14af75e1a22716115766909959924009e6110083e
SHA2564f58de6fb34d899590f7c07e5bc8a3a2fd0e81d579ad554ef8ba8cb96b685956
SHA512bb3dc75af96dbcb0903c3d67c17fd0995d4cb9544b65e0b34d0c709394afd2da53451d6716b65a338a22ab3278163ee9f73fcb67044d6371cc66cd159c4c071c
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2