Analysis
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max time kernel
120s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-12-2024 17:54
Behavioral task
behavioral1
Sample
da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c.exe
Resource
win10v2004-20241007-en
General
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Target
da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c.exe
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Size
29KB
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MD5
4d3b438ddd7c2e52ebb104fd1e9bc7a9
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SHA1
2b79867005ead32a07fe06a7a7c3afa8a9908c04
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SHA256
da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c
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SHA512
585b24f7f498b2f5d807158b33eac03c7d11c04ee9e2b8d3a9e6ca6403474f24d06fc6dce1f511a7e3bbf00dcb3b5d7e85e5ee37deb23cb0d48a6fe243d3d75f
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/mhD:AEwVs+0jNDY1qi/qeR
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral1/memory/2012-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2012-54-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2012-59-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2560 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" da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2012-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2012-4-0x00000000002A0000-0x00000000002A8000-memory.dmp upx behavioral1/files/0x0008000000016dd0-7.dat upx behavioral1/memory/2012-9-0x00000000002A0000-0x00000000002A8000-memory.dmp upx behavioral1/memory/2012-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2560-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2560-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2560-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2560-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2560-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2560-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2560-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2560-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2560-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2560-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2012-54-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2560-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2012-59-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2560-60-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000016edb-65.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c.exe File opened for modification C:\Windows\java.exe da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c.exe File created C:\Windows\java.exe da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c.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 da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2012 wrote to memory of 2560 2012 da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c.exe 30 PID 2012 wrote to memory of 2560 2012 da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c.exe 30 PID 2012 wrote to memory of 2560 2012 da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c.exe 30 PID 2012 wrote to memory of 2560 2012 da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c.exe"C:\Users\Admin\AppData\Local\Temp\da63195f995260d1dfd9d82abc3e6d776413acc781ffed13cb75cd2c74abf13c.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2012 -
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:2560
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD58a3b3d6f9b82fc27ee68666c19fb14f5
SHA1b5694ea6e936a4ec61879fec76c102f6ca062bee
SHA25629224df6dd3ce38816037a9add651c577c0b4513c6608dea2f9ac5cc4baaf570
SHA5126ce3ff101ea075ac409e77c51783e696f2e8d30d0dfdb355599681c6904982ecdc3eb76954c3df71059d5d01df9c4d2620afcd68fc80d9317eb4dd51e22a9354
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Filesize
320B
MD54efd3b3db5a5855541ac30eba658b1da
SHA17d7ab53157babe0bfe3f08216f84dd8eb7d5ee76
SHA25636884f7f031e52ea867d717aeb489c26920c0a797cf3bf8242c6631239f91017
SHA5127122ebe8df79260b9e02538449d46202b319adbe0bfd16889aa68c3f28cfa8a8d6620be9df1f36b3d6a4350af74afd35d6b4ac03d11853fc441f4eeabefee8ae
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2