Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
18-12-2024 08:30
Behavioral task
behavioral1
Sample
7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70.exe
Resource
win10v2004-20241007-en
General
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Target
7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70.exe
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Size
29KB
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MD5
c81fc287d21b8a948db07798202730b2
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SHA1
bd5c30b3141896cbe11afcc645debfd29b529ff5
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SHA256
7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70
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SHA512
443c3d75b62c975cec5c0527f6a42a961c63c033c28ffcfbfba9e9cc8a1ebd2242dcfe2ca199f599965e63233c351d41ef248bcdf883360ff5f3a7075e37e05a
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/yht:AEwVs+0jNDY1qi/qqX
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2128-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2128-60-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2128-65-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2128-84-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2128-88-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2348 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70.exe -
resource yara_rule behavioral1/memory/2128-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2128-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2128-9-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000015d59-10.dat upx behavioral1/memory/2348-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2128-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2348-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2348-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2128-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2348-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2128-65-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2348-66-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000015ec4-79.dat upx behavioral1/memory/2128-84-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2348-85-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2128-88-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2348-89-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70.exe File created C:\Windows\services.exe 7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70.exe File opened for modification C:\Windows\java.exe 7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70.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 7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2128 wrote to memory of 2348 2128 7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70.exe 30 PID 2128 wrote to memory of 2348 2128 7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70.exe 30 PID 2128 wrote to memory of 2348 2128 7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70.exe 30 PID 2128 wrote to memory of 2348 2128 7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70.exe"C:\Users\Admin\AppData\Local\Temp\7a16459e970a9497365e1c024600615d46bbfc4465000aee671a220c270dbe70.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128 -
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:2348
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5f9bf5736db1ef12b917dc92eebaa9f92
SHA19c367123a35f9d001fe7ff42b0e200eefb5c3b38
SHA256172da8b28b4cdc65c0251c63edd0b29d44b78da6ec4936bc560c426c457d6471
SHA512d2f9ed8064f1111f260c3c260159a6f9a6276c7ba5bab0dc9144cb3d1b1a442d0d4b1f4ccd6eed0fae6d08cf62aee12a95981a032cde659a64822f0b9f2057c2
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Filesize
320B
MD5f43c8c8882d39cbe80dff9e188404d7f
SHA1430317edd4ac480c53cb3c7dd0920c826cec45a2
SHA256776085bd06495bb8aece9939779f780727051352d5c0739ee75ba7fef6a3cec2
SHA5125f1e43a71b680efc0728d61a98b16607c8483bfa4485faf2ead4dea603bc1fd22917b13613bc3e9051fb70860b88861b2996d8ae51dd481690aa0d02e6e44b3e
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2