Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28-12-2024 01:38
Behavioral task
behavioral1
Sample
af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4.exe
Resource
win10v2004-20241007-en
General
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Target
af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4.exe
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Size
29KB
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MD5
93db46b3ed3a8ee25afc6b8d583df08a
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SHA1
4371fa8ec69eddc0e14979c2eca13397133aa0b4
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SHA256
af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4
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SHA512
9bf8dd5b4925c062da5e22984064676a7bde344abc7e845d94c378b37daacdf7bbb03843863b3ce480a4968759aaa643dd2e03406f2796bd4d81722eee7c41f3
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/K:AEwVs+0jNDY1qi/qC
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2260-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2260-54-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2260-86-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2260-88-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2260-93-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1780 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" af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2260-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2260-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016645-7.dat upx behavioral1/memory/1780-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2260-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1780-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1780-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1780-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1780-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1780-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1780-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1780-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1780-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1780-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1780-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2260-54-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1780-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1780-60-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0037000000016334-73.dat upx behavioral1/memory/2260-86-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1780-87-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2260-88-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1780-89-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2260-93-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1780-94-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4.exe File opened for modification C:\Windows\java.exe af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4.exe File created C:\Windows\java.exe af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4.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 af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2260 wrote to memory of 1780 2260 af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4.exe 30 PID 2260 wrote to memory of 1780 2260 af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4.exe 30 PID 2260 wrote to memory of 1780 2260 af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4.exe 30 PID 2260 wrote to memory of 1780 2260 af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4.exe"C:\Users\Admin\AppData\Local\Temp\af89c22b74462371bce7293021086ee9a79684e5e828fa889f78c897cd1094e4.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2260 -
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:1780
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD56ab3260a22a8df83796cae9e26f12682
SHA15cabe0d0bbb30fef5c120be12badcf01bb2c9e03
SHA256fc06683481a5f4ddf44f6e3815f7378776ab8edd3af2c0c4a39e9127e207bb1e
SHA512c29bfccf891dd90378c88236789bb9d11d6ea069a12330798bd22d7a079a0315adf56f7f096e11d6822c352ec708f4eb56168e66917923189fdf9d7eae3c0b4e
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Filesize
352B
MD5ce0b790da3bdc7fe5fa6bd6c0ee2f08f
SHA14ee6d1f6240b1f1fc8b99f64ace02c2a0568c05b
SHA2567da7a1f335cfd01ca3f62e76f3da68ea8c4383364db23e8abfbf7fee114e7b9e
SHA512e2af742c105812156a48b17a28fb6ecae3435c53894651711d471f7a4f55f4318286f962e2578948f7125acfa485995a03c06f324964a168e16130b3f60653cb
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2