Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07/12/2024, 22:35
Behavioral task
behavioral1
Sample
92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8N.exe
Resource
win10v2004-20241007-en
General
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Target
92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8N.exe
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Size
29KB
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MD5
6e9c0d71bf0b70bd594d33ebd82996c0
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SHA1
1f889e1c361b118cc63bb7b91993ece4b45255ae
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SHA256
92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8
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SHA512
5c34c73f11e805ae94e0c5135fcd3109db747a824b81a4bad1b4215c49758846387721162dd9292482a21cdbde37859cb77372d1707f14c5335a8a856bd44053
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9//:AEwVs+0jNDY1qi/qH
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral1/memory/1856-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1856-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1856-35-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1856-57-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1856-59-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1856-63-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1856-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1856-75-0x0000000000500000-0x0000000000510200-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" 92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1856-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0008000000015d19-9.dat upx behavioral1/memory/1856-3-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/1856-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2212-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2212-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2212-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2212-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2212-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1856-35-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2212-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-49.dat upx behavioral1/memory/1856-57-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2212-58-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1856-59-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2212-60-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1856-63-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2212-64-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2212-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1856-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2212-71-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1856-75-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2212-76-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8N.exe File opened for modification C:\Windows\java.exe 92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8N.exe File created C:\Windows\java.exe 92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8N.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 92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1856 wrote to memory of 2212 1856 92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8N.exe 30 PID 1856 wrote to memory of 2212 1856 92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8N.exe 30 PID 1856 wrote to memory of 2212 1856 92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8N.exe 30 PID 1856 wrote to memory of 2212 1856 92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8N.exe"C:\Users\Admin\AppData\Local\Temp\92a6b6d84b0c80fb46d8625c7ba873eda2389df95cd74c3ee1e2a88cc2e4ffc8N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856 -
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
MD54c208c640defdeda4bf32451ec81dc0a
SHA10704e9b2a792505c7d673bdc459f5f1e357d3659
SHA25699d512686b4a3d189b67e1970acc2c30bc9906c552ab39916c6e271266444938
SHA512d3ddcb96da205983091d319348de65ac206741bad2807a79625118a080b20f83c1eb75e764c810f090d6d4d2cca0c64a8d32e1081e6c11d4f61553ff54924091
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Filesize
367B
MD5e6fae27bde98de5a2c5d250460359b89
SHA17148dcd8b2b30798a5c79c46f9832814bbdb9a87
SHA256760787c06bc25c597c11226983c2fa4df936eafa0271fb2f63899dca873c0625
SHA512c6f16990b219f0bfcdb7de25be078cbd0dd244844bbb26e9eb93739ffda915a30e950719eb3455f5751be5c5c263e4c6eff4d4a51bd6218a81dbd66a49e8d06b
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Filesize
352B
MD5f1889982d44a43d3f006ed8ebf4d0c1e
SHA181c042e27e1b639fb44268f66e10a21fa8a3acf6
SHA2563b894e9607019339f94bb8fbc0ac372d062656c34b7a988be624f8663d53d198
SHA51262952f41885b1995b6e666bc0ef131c864cd0eb9e97fe42af7e9237934cd20c92934c7f25b9b138aa1c261279d413b06d54211c8767a23b05f5973de2f8fadff
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2