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Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
27/12/2024, 04:35
Behavioral task
behavioral1
Sample
fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3.exe
Resource
win10v2004-20241007-en
General
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Target
fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3.exe
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Size
29KB
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MD5
c7ee316481bfa270be79c485adc2b5b9
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SHA1
ec55de8c689c0eddaa53ec897e9532ce7ac3a7a2
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SHA256
fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3
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SHA512
a7bbd52583d058a9d5a73ae431559d4c9a6e5504ce4f6d334e1db95a7ebbb578280c3aadd4372cd8e40b75aa123aa4c9c1987acdc881e81574d19c9216d392ab
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/GhD:AEwVs+0jNDY1qi/qeR
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral1/memory/2956-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2956-50-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2956-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2956-74-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2956-78-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2956-83-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2956-85-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2956-90-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2808 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" fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2956-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2808-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016d42-8.dat upx behavioral1/memory/2956-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2956-18-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2808-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2808-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2808-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2808-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2808-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2808-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2808-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2808-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-50-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2808-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2808-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-66.dat upx behavioral1/memory/2956-74-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2808-75-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-78-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2808-79-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-83-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2808-84-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-85-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2808-86-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-90-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2808-91-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3.exe File opened for modification C:\Windows\java.exe fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3.exe File created C:\Windows\java.exe fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3.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 fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2956 wrote to memory of 2808 2956 fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3.exe 30 PID 2956 wrote to memory of 2808 2956 fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3.exe 30 PID 2956 wrote to memory of 2808 2956 fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3.exe 30 PID 2956 wrote to memory of 2808 2956 fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3.exe"C:\Users\Admin\AppData\Local\Temp\fb93fc3210d5057b681a64d874b8a6699237464077364a9768783217d16820e3.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956 -
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:2808
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5a478d789ccb6e3209b8fff2193105b45
SHA11b1764c8c30d9078d810737dacef241298880d81
SHA256b7ebd5903099ba099e46582c3a5e97a8126a39f1ecf2b91a53c84365624a3904
SHA512ff8dd96b110f9e4458d6947918c743a4510bd1299cc3bef9d77c5ff9acbd8f15add938b451dc939e8cb8209b11772501e3e0732a2b150be999bfd95f7784e7a5
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Filesize
320B
MD5f15a3ff3f193c62f9b1d995ee02f713c
SHA13fdfc5cba5e3d8e87e40307fa82345fddcc4e525
SHA2568b2425c9227bc4d22cfe16d93ccd0a92bb91de7e62cfb625854e22de95cc360d
SHA5127e3ca2ef06f2f665f1eeff5077367dfed1e7cb6ee351a308ee9f7691f69e2aa64ab97de42668fc1d1c76ec2c0b68d5f2d0df2d5dc16e106f4d0b77236105eda4
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2