Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
25-12-2024 19:24
Behavioral task
behavioral1
Sample
57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621N.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621N.exe
Resource
win10v2004-20241007-en
General
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Target
57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621N.exe
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Size
29KB
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MD5
2e9dc5875437b85bad090beea11fac40
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SHA1
d410efd4f475c8aef3b6d4ead404d6263b99ca7f
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SHA256
57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621
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SHA512
aac8a68f9ffc38f2cd1d08ee9c07e9a35ca29453d5411ba507ac91a2deea99a9ad45fc3e36643548792cdd82686504d04e5ef8390a450a5fabcae8d8bba910fa
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/yL:AEwVs+0jNDY1qi/qKL
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral1/memory/2504-2-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2504-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2504-18-0x0000000000220000-0x0000000000228000-memory.dmp family_mydoom behavioral1/memory/2504-45-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2504-50-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2504-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2504-73-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2504-78-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2220 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" 57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2504-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0008000000016c80-6.dat upx behavioral1/memory/2220-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2504-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2504-18-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2220-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2220-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2220-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2220-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2220-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2220-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2220-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2504-45-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2220-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2504-50-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2220-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-61.dat upx behavioral1/memory/2504-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2220-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2504-73-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2220-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2504-78-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2220-79-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621N.exe File opened for modification C:\Windows\java.exe 57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621N.exe File created C:\Windows\java.exe 57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621N.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2504 wrote to memory of 2220 2504 57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621N.exe 30 PID 2504 wrote to memory of 2220 2504 57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621N.exe 30 PID 2504 wrote to memory of 2220 2504 57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621N.exe 30 PID 2504 wrote to memory of 2220 2504 57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621N.exe"C:\Users\Admin\AppData\Local\Temp\57dac74af2bed7168ad697803bb3dcea0fe4e6e3ed0dbac57cfa39078bf79621N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504 -
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:2220
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD596c6363fe38fd84efa49db33c88deed7
SHA153ab84b0a9cb9d0f1bda404e06d8734c5f9ebc5d
SHA256c333eebf5e3430c4bb2fc46f34ea4ca1cea496e4f0359f6def9f85656f2f39dd
SHA5120f52a89156f5f494be1acddf2e80feb6ed68b657a739ba1f40d381a39fe76001841b52475de58232310a4406f4b06b2a564fca3974f0483e15d18e66a74efa6e
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Filesize
352B
MD5541abf17071b23965c7918e8cd589ef8
SHA1acd3c19e321126d452e62b7f901ac830189ce8d7
SHA2568095f345f16013d7703482f66c076d53d38d805d9b342da5461ba5a0b240fd33
SHA51293b388d8af08e8f5361bc36ca06c7e92177a82b33ed46ca0bada6505e508936ee6c4dce6d183cde09bcfa09ff2670356c3340afcd58e273394a87ddb081af8a0
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2