Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-12-2024 20:46
Behavioral task
behavioral1
Sample
e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356N.exe
Resource
win10v2004-20241007-en
General
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Target
e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356N.exe
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Size
29KB
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MD5
3c8aa7e7f8416c9258fa40171d2d3f60
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SHA1
3880dfb5afb10861976470de508909921f61b1a9
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SHA256
e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356
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SHA512
067fe2d78ea60bc06425d80420cda40d1f47b6fa889b9b37f4870e8e4e3a89ba6e3e5bc11024268386496ba4da19f11a60e2fd6657b34b7a3e7758d609c35384
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Ehp:AEwVs+0jNDY1qi/q8T
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral1/memory/2520-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2396 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" e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2520-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2520-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016241-7.dat upx behavioral1/memory/2396-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2520-9-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2520-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2396-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2396-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2396-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2396-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2396-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2396-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2396-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2396-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2396-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2396-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2520-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2396-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2520-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2396-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000800000001686c-71.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356N.exe File opened for modification C:\Windows\java.exe e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356N.exe File created C:\Windows\java.exe e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356N.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 e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2520 wrote to memory of 2396 2520 e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356N.exe 30 PID 2520 wrote to memory of 2396 2520 e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356N.exe 30 PID 2520 wrote to memory of 2396 2520 e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356N.exe 30 PID 2520 wrote to memory of 2396 2520 e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356N.exe"C:\Users\Admin\AppData\Local\Temp\e37c4d659fc1e9b1dd7cab9064b4cfa7ba843fabdc8ffab93b9f40df0e5d5356N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520 -
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:2396
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5000cbf639057891d86a2284a58341b68
SHA18ed5fe03c08336c71ebc872dd217fd06c88c1144
SHA25632200cdf1c708bd32225f66b54b13b13a22f9a32cf671913a3318382fb79249f
SHA512e7ef9a2c7ac672d31b1cae98a2e30fef4513a73658dcd89baccb9e7003780fdf15b4dc7f8917c14369a4d503452da17ae23934dc7335a5aee97c808c8b37e5e1
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Filesize
320B
MD5763fcf7a423a59da25e94760616a77f5
SHA198a4f93a8dba65999f822fe686d394ef8d66ef97
SHA2566def57ff83f5556160317c38a3e6cc0c1415e2256fa405b40717a168f5b4a246
SHA5126f1729f43f87cfabb29af7acd56c64c8846c865098da2017929911d0bb4002990404a185e95949a7abcbfa43e247b79f6dc4b5294f08964e99512aba0d31172d
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2