Analysis
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max time kernel
120s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
17-12-2024 05:31
Behavioral task
behavioral1
Sample
58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe
Resource
win10v2004-20241007-en
General
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Target
58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe
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Size
29KB
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MD5
e3555e03aa21f69f2046ad09936154e5
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SHA1
d2eb9bd624e4ed03d1001b097922aba9217303d3
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SHA256
58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63
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SHA512
620fbe68d7920008fc069151cafa314beb7390c8f8c5924af02eb8d5b712e1fc4e531c78ab872f8627ff464d3f8bd937d2334301ae92769efd667a50875ae9d9
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Ri:AEwVs+0jNDY1qi/qE
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral1/memory/2080-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2080-59-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2856 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" 58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2080-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2080-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x000b000000018617-9.dat upx behavioral1/memory/2080-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2856-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2856-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2856-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2856-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2856-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2856-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2856-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2856-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2856-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2856-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2856-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2080-59-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2856-60-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe File opened for modification C:\Windows\java.exe 58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe File created C:\Windows\java.exe 58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2080 wrote to memory of 2856 2080 58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe 30 PID 2080 wrote to memory of 2856 2080 58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe 30 PID 2080 wrote to memory of 2856 2080 58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe 30 PID 2080 wrote to memory of 2856 2080 58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe"C:\Users\Admin\AppData\Local\Temp\58cfedf982f6ac7f1b0c934ce996fbe62be1225bdcb77726ad47ce4a6db19d63.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080 -
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:2856
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2