Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
03-10-2024 08:19
Behavioral task
behavioral1
Sample
9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21N.exe
Resource
win10v2004-20240802-en
General
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Target
9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21N.exe
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Size
29KB
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MD5
efc2b0fe399946f8a41e0af31b980fb0
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SHA1
088e138109ff82b487e1dffe21f72249c911c8d7
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SHA256
9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21
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SHA512
1e5b926fdc2972c2de60ef9a8bf32fa6d241183c3ccfc1e114e1da935625c68ce10cdf6d47a71ebe5e81b4567beb59d56eb1caa457553324a9f3841a33ea1e8e
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/K:AEwVs+0jNDY1qi/qi
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral1/memory/2520-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-35-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-57-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-59-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-63-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-68-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2520-75-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2168 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" 9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21N.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/2520-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00080000000173de-7.dat upx behavioral1/memory/2520-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2168-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2520-35-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0005000000004ed7-49.dat upx behavioral1/memory/2168-58-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2520-57-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2520-59-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2168-60-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2520-63-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2168-64-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2520-68-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2168-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2520-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2168-71-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2520-75-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2168-76-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21N.exe File opened for modification C:\Windows\java.exe 9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21N.exe File created C:\Windows\java.exe 9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21N.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 9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21N.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 2168 2520 9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21N.exe 30 PID 2520 wrote to memory of 2168 2520 9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21N.exe 30 PID 2520 wrote to memory of 2168 2520 9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21N.exe 30 PID 2520 wrote to memory of 2168 2520 9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21N.exe"C:\Users\Admin\AppData\Local\Temp\9f9033cd3b988d6f4ea0e4ee821d2d11996d9a85854adce179acaa424b5ffc21N.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:2168
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD56e4852fa74a2ce655366b5bd8634b103
SHA171bf812a3621f127f14746651f991a2fb353d92c
SHA25662b1fe2999c2ca941ba979ce1ecf54eb106f598d0a2d63059accde6942b804f9
SHA512d830829d59ac1e58fb790a1ad5ad4a5f7c3be0918a9c409bf3686b74ef8f17dbb41988697fe416b4e256dad96cabd4ac6a26aa277ff0238c8e2b7b89e5165be3
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Filesize
320B
MD5f31e631f9c8f7cb3fdb73ac974b76c14
SHA173c90ec2edc483a20de1fd590e36b6947ef1ddae
SHA256ab753062f3cda252a1f9ef5580459edcabf7899669c959e8d132b14b7610165b
SHA512e12092f8ee8ff46bf9e6e048b883738372209c4fee9345b5b0de4c73578bd3aebe8144db34e98e5639b0b60fdbc6e8bfde4bd295cf3ff3d84f755316284cdc2f
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2