Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 11:25
Behavioral task
behavioral1
Sample
eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14bN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14bN.exe
Resource
win10v2004-20241007-en
General
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Target
eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14bN.exe
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Size
29KB
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MD5
104b1c23a763e80b0059134b79da0600
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SHA1
7ed8a55db7fd29a4ef94cf31d48b4a8e050b3b00
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SHA256
eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14b
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SHA512
bc7b72fef27210066eb545f76af60f87c388dca550abd7e72a448ccc9e982a19c583483bdceac7a9afac606860db21a751cf3325cb906c62b96af3da84969254
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Ahg:AEwVs+0jNDY1qi/qIq
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/1180-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1180-48-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1180-53-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1180-66-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1180-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2212 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" eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14bN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1180-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1180-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000019490-7.dat upx behavioral1/memory/1180-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2212-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2212-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2212-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2212-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2212-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2212-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2212-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2212-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1180-48-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2212-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1180-53-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2212-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x003000000001941b-59.dat upx behavioral1/memory/1180-66-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2212-67-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1180-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2212-71-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14bN.exe File opened for modification C:\Windows\java.exe eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14bN.exe File created C:\Windows\java.exe eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14bN.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 eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1180 wrote to memory of 2212 1180 eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14bN.exe 30 PID 1180 wrote to memory of 2212 1180 eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14bN.exe 30 PID 1180 wrote to memory of 2212 1180 eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14bN.exe 30 PID 1180 wrote to memory of 2212 1180 eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14bN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14bN.exe"C:\Users\Admin\AppData\Local\Temp\eff34268350cf03813fa33090de2ea8e8c41260cc919eff801352b9065abe14bN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1180 -
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:2212
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD56a6384021b229acb2d9808fa246cc3d4
SHA1abd679a2260885c38afc67d0b776b566d2580acd
SHA256d295c78a2dd1d9b496c707a850e54173e141c3490d5c43abf0d77d2a17b204aa
SHA51208ad445e4ff4b68d8af5dbcb84a03b8a240ab5aac922b91ac6e44d5ecb91e72eac12242036c97e1a54b425263d5168ea818a7854aa15831487409919494facb6
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Filesize
320B
MD52970f760d7b1c6f8b82ac116994f2961
SHA1adaf7d12b2f1ee1fb82c52a7a7ef62422047ddb1
SHA2561832a0e9b2870db8011949cec411df138e66869596f4bff624259bec1906874f
SHA51258e92c2287874c151d63c8e54b17f958de808b50acc29599f76221a29451da77a289095f570512d4dce626543c461dd99f60407eb4b0193b07fd5002b75af7e4
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2