Analysis
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max time kernel
120s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07-01-2025 13:41
Behavioral task
behavioral1
Sample
bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525N.exe
Resource
win10v2004-20241007-en
General
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Target
bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525N.exe
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Size
29KB
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MD5
ac26d11bc9e77d580213be250abbccf0
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SHA1
9d0caa86ddbed6aa304ba20a5666dd4d3106925b
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SHA256
bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525
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SHA512
7e653a3eb64c1af2f01996fdbd1d07de8e22445f1c68080015715669099e7db02af6ed452ac8b6113f25e192bc44fb94ca80acd48624fa474dc2123ff6da6464
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/G:AEwVs+0jNDY1qi/qu
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2456-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2456-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2456-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2456-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2456-72-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2456-77-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1524 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" bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2456-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2456-3-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016edc-7.dat upx behavioral1/memory/2456-8-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1524-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2456-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1524-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1524-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1524-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1524-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1524-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1524-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1524-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2456-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1524-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1524-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2456-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0005000000004ed7-60.dat upx behavioral1/memory/1524-71-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2456-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1524-73-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2456-72-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2456-77-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1524-78-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525N.exe File opened for modification C:\Windows\java.exe bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525N.exe File created C:\Windows\java.exe bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525N.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 bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2456 wrote to memory of 1524 2456 bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525N.exe 31 PID 2456 wrote to memory of 1524 2456 bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525N.exe 31 PID 2456 wrote to memory of 1524 2456 bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525N.exe 31 PID 2456 wrote to memory of 1524 2456 bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525N.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525N.exe"C:\Users\Admin\AppData\Local\Temp\bc63ccafea9de2b280f2f79db33a661310f6a47bc947c7cb79750962f4338525N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2456 -
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:1524
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD59c1843b5819bc7b8bfe3f3027fecd512
SHA18557216282db8f73986ef02a4dc6f7045d3e8371
SHA256b157d47e5a5e66493014819290cfedb1cdae0a479c3e5b210d0408543f9e5594
SHA512846ca3fc8402936c640717917e2084f7ddad64854e6666089ef7ea3bc0620c925483e8f5b114f4b4588e212930ff8c80b0104b576d7a4bc0c1fe2032ecd4072f
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Filesize
320B
MD5205f9c37096b1a07a678d7d7cdc81723
SHA16929bccea9f80dbf3667606032f3cbe00c44ed45
SHA2563374a9c4030385afcfbe9a2258ff955bec8b3845a069dff3703be546fe8ebd30
SHA512a88e87cc07e84ada262eca7e4fe6588111938eec72028ffb4be8d4e8266244f4cb61ddb1e92e3c001c930ed97e47335f09407f7769ac3ac343693e47f3897792
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2