Analysis
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max time kernel
120s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-11-2024 00:17
Behavioral task
behavioral1
Sample
dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exe
Resource
win10v2004-20241007-en
General
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Target
dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exe
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Size
29KB
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MD5
fc9753d64e74eb28f3257df21197c6b0
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SHA1
303a1f27bae216f395b615ee45b1869dbe582925
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SHA256
dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8
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SHA512
8e2b431c2f813b3be5ebdacccf792d3c0165ccabc068c031858bca22ec9b4638e3f9c52b3cf998fa97af75394efb9e7b6c1a714cab1907eb14fbdfa3fb7e46d7
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/a:AEwVs+0jNDY1qi/qy
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2104-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2104-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2104-16-0x0000000000400000-0x0000000000408000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
Processes:
services.exepid Process 2720 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exeservices.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Processes:
resource yara_rule behavioral1/memory/2104-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2104-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000015d6e-7.dat upx behavioral1/memory/2104-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2104-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2720-60-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
Processes:
dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exedescription ioc Process File created C:\Windows\services.exe dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exe File opened for modification C:\Windows\java.exe dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exe File created C:\Windows\java.exe dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.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.
Processes:
services.exedbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exedescription pid Process procid_target PID 2104 wrote to memory of 2720 2104 dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exe 30 PID 2104 wrote to memory of 2720 2104 dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exe 30 PID 2104 wrote to memory of 2720 2104 dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exe 30 PID 2104 wrote to memory of 2720 2104 dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exe"C:\Users\Admin\AppData\Local\Temp\dbfa012822d925cff904110a957af4deae41f593dcbaf2716c854a82ca9f04e8N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2104 -
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:2720
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2