Analysis
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max time kernel
120s -
max time network
116s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
25-11-2024 03:13
Behavioral task
behavioral1
Sample
b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exe
Resource
win10v2004-20241007-en
General
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Target
b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exe
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Size
29KB
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MD5
95eb559d852e8a947909c645bb24a9d0
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SHA1
f386ba5bfcc923cdd2b7a0748cd1b983d83a6c5f
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SHA256
b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02
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SHA512
2b98052280726116efa5e55ff1088c64548a9b9046649f298f8ebb6f581088fa14c7a777f949004ed73d756ad94ffd7d31399a301b08d6ff67164bb590be1c83
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/A:AEwVs+0jNDY1qi/q4
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1892-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1892-57-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1892-62-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
Processes:
services.exepid Process 1932 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exeservices.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.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/1892-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0008000000015cb6-6.dat upx behavioral1/memory/1932-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1892-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1932-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1932-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1932-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1932-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1932-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1932-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1932-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1932-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1932-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1932-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1892-57-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1932-58-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1892-62-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1932-63-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-73.dat upx -
Drops file in Windows directory 3 IoCs
Processes:
b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exedescription ioc Process File created C:\Windows\services.exe b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exe File opened for modification C:\Windows\java.exe b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exe File created C:\Windows\java.exe b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.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:
b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exeservices.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exedescription pid Process procid_target PID 1892 wrote to memory of 1932 1892 b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exe 30 PID 1892 wrote to memory of 1932 1892 b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exe 30 PID 1892 wrote to memory of 1932 1892 b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exe 30 PID 1892 wrote to memory of 1932 1892 b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exe"C:\Users\Admin\AppData\Local\Temp\b90738bf53cfacef094f8db05af319a149539517b6e35626753e9699f4a51f02N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1892 -
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:1932
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD56858537665ec4f9150fb7e09a16cb73e
SHA1f8e916390b2be3abf960ce851f74e45f27c6f34a
SHA256dd5b2d665a8fd9b1ca1627c238db6e5c84acf9230be5007b8bf6d5eef49e8853
SHA512cd18a623b008d2e7da4b8df3605b74aa593fc705ac10f5178e97e3c67a4d2493e6eb2a9d156db94fdc9314d7df738492551b8cb269ef3b67d89cf928bc1693df
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
320B
MD5e706ab400eb9e7f0e6f90d1a396f4af3
SHA15632938ff703937395343676263329e152d0c4a4
SHA25609d73f70088d4edf3195d7ea1be2df4870f63c0eaab52c86ab9b175fcd917f00
SHA51299fd0e73a9725ead7bd542131bf842b5abe67ffb484f65c99c997cdda9fce2f1243b0475a022c91b71446c7813994e4c7822ce1eb1bf48cbdd93f8db38a57688
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2