Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
03-01-2025 02:43
Behavioral task
behavioral1
Sample
b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca.exe
Resource
win10v2004-20241007-en
General
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Target
b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca.exe
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Size
29KB
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MD5
208682c8473ab001e96263ee6953d863
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SHA1
c99b184a5e97aa6d2696b30cc6573a225f8ddf7f
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SHA256
b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca
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SHA512
7ffb6e907b756732cb199ffb2fe4e1693165c6a4f48ea83bcdb6055685f28345923f7f79aa58969b1266d988de1efbe5cde5aa97c88a7ba469fb55ba5a9d6657
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/ehQ:AEwVs+0jNDY1qi/qGm
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2372-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-84-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-86-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-91-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1256 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" b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2372-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2372-4-0x00000000002A0000-0x00000000002A8000-memory.dmp upx behavioral1/files/0x00070000000186e7-7.dat upx behavioral1/memory/1256-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1256-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1256-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1256-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1256-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1256-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1256-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1256-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1256-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1256-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1256-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1256-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1256-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000018704-74.dat upx behavioral1/memory/2372-84-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1256-85-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-86-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1256-87-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-91-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1256-92-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca.exe File opened for modification C:\Windows\java.exe b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca.exe File created C:\Windows\java.exe b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca.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 b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2372 wrote to memory of 1256 2372 b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca.exe 30 PID 2372 wrote to memory of 1256 2372 b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca.exe 30 PID 2372 wrote to memory of 1256 2372 b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca.exe 30 PID 2372 wrote to memory of 1256 2372 b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca.exe"C:\Users\Admin\AppData\Local\Temp\b53d72cf3b77c3091fb88dbd5187e5f46c38648b46f1f3d8f857dac13ec08bca.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372 -
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:1256
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD593018c4b964fe2266779379a49563758
SHA116a0ff0734916283f017652c35fb4e01a3dd8894
SHA25694190fa1e7e8d6e64029d9acf9c883504b60eb3a697ae996f93c0ba91f596102
SHA51270724dc3cb4167ce18df5f276dc95a259fce97bf7d9000fd387bfc79f5e1f1129d24791d24e64ca2d3fced5d672109f57d0d7405c6b717f0b9d71b18c5702e5a
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Filesize
320B
MD5aed3e9b5c8a037efda536480d00bba05
SHA13a5942297a80dc539af266b4d9cd2e67a5a1bc76
SHA256f385b4c8b65e3113bdf60fad278ad442b446687f3c100b7aced987c9edc51838
SHA5124ceb3310a0b190de02ff7f3489e0bc6def943d78ebb316e705a2ecafd8f2deab1c90f986a0836056390c2f6bd833dc8eb48be33e5b243d4a09220da0eda0ab01
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2