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Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25/10/2024, 07:40
Behavioral task
behavioral1
Sample
f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941.exe
Resource
win10v2004-20241007-en
General
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Target
f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941.exe
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Size
29KB
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MD5
338c2349f165d0a975f1b776b3404c12
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SHA1
e7cf4aea73f92599f9f89463236d866a1fa80a61
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SHA256
f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941
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SHA512
ac78e49aedab8ac10115b874cd1af06e2492b011e06180bd212e3ea31362bbe7aeb610d173bc889f34d5b0fe5d80f31fe26e1aac5eaba180c5a1835dfa7a010b
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/6:AEwVs+0jNDY1qi/qS
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/2584-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2584-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2584-87-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2584-91-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2292 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" f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2584-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2584-4-0x00000000001B0000-0x00000000001B8000-memory.dmp upx behavioral1/files/0x0008000000015d41-7.dat upx behavioral1/memory/2292-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2584-9-0x00000000001B0000-0x00000000001B8000-memory.dmp upx behavioral1/memory/2584-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2292-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2292-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2292-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2292-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2292-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2292-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2292-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2292-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2292-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2292-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2292-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2584-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2292-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2292-66-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0009000000015f71-79.dat upx behavioral1/memory/2584-87-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2292-88-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2584-91-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2292-92-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941.exe File opened for modification C:\Windows\java.exe f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941.exe File created C:\Windows\java.exe f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941.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 f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2584 wrote to memory of 2292 2584 f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941.exe 30 PID 2584 wrote to memory of 2292 2584 f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941.exe 30 PID 2584 wrote to memory of 2292 2584 f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941.exe 30 PID 2584 wrote to memory of 2292 2584 f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941.exe"C:\Users\Admin\AppData\Local\Temp\f99c3f608df7174b96f2c0d05dc4d6a1260b0c5258d97d04b8320e45a20f4941.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2584 -
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:2292
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
320B
MD5df1db162b7689bf20468dbfddab75d1d
SHA17a1bc74b1c114a08ed327a745cd71f8353bce84e
SHA2566c705a42a9096e0a33cbf44ae80d4eb1b2b22bbd83bb7c9f4eccd05fcd1844a9
SHA512bfa061b55b24b378b732ea5ff1a4570f15909c886acc41ce56c2b383cc38c473a649f63cada8098d62f20af48c4c8d34556b3e9d033778d90997eed7307d0566
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Filesize
29KB
MD5cabedb457d11b50ea52c9eba0f374ef1
SHA1ac0370320add162943bb95018ff0a57097e7a8d1
SHA256754552007d5701caaf71e90ff7776cd047f2690ac1531b5abdfa632c5db7aa9e
SHA512120eae584fa324266d71f82155c105c194b9f7451987287c258b00ab869344cbb44971d7b3ed9ee01930475a67227999531b3188072e211785ecdb86352672b0
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Filesize
352B
MD55d3b970fa88ca819cca4e63a11718e41
SHA19914512a792f530a8384549d0d3f630b2d8061cf
SHA25606e36772a39a24e4658af88e0767335387ff246c3d4fc80de4bfc948895f13c0
SHA512ee2cbd58e0edd4439f271404fd24f1bcc0e331e323d1f6ced562acf860212cb2be27cbaf626955b2cf6ee9fa5719f8ea730080368406f2c9c18e728826b77602
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2