Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
11-12-2024 11:17
Behavioral task
behavioral1
Sample
826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6afN.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6afN.exe
Resource
win10v2004-20241007-en
General
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Target
826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6afN.exe
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Size
29KB
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MD5
e40c481e0b0b3415f0bfcf436b1306d0
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SHA1
d37cd4e8304be8a8d264009026a974e988b8c24b
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SHA256
826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6af
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SHA512
c8128cfb6940153604045633552e099b2420415592e9537f7fd35b62cb60e63abb7b505f5c34d68ab8887c62641838c9ef6af4f798ab0b3b8205e2d17c316530
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/g:AEwVs+0jNDY1qi/qY
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2000-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2000-30-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2000-59-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2000-61-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2000-66-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2000-73-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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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" 826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6afN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/files/0x000800000001919c-7.dat upx behavioral1/memory/2000-3-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2000-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2000-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2168-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2000-30-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2168-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-49.dat upx behavioral1/memory/2000-59-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2168-60-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2000-61-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2168-62-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2000-66-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2168-67-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2000-73-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2168-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2168-79-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6afN.exe File opened for modification C:\Windows\java.exe 826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6afN.exe File created C:\Windows\java.exe 826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6afN.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 826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6afN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2000 wrote to memory of 2168 2000 826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6afN.exe 30 PID 2000 wrote to memory of 2168 2000 826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6afN.exe 30 PID 2000 wrote to memory of 2168 2000 826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6afN.exe 30 PID 2000 wrote to memory of 2168 2000 826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6afN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6afN.exe"C:\Users\Admin\AppData\Local\Temp\826ac21eef960fc3fb4139248e046eb1fcd1afbf362bacc3760c8e923b53b6afN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2000 -
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
MD5fbc7751421858c3069e9bc2e249eb0a2
SHA12d53b3952ac813fc4b6ab30dfb2c7c95acf9e9af
SHA25632644fe4ed0d4d5d2f4d202ff3eefd782a55be75be739fff40f3bf4d056fef1f
SHA512af1a382349ee0ac9907161b25bda273043b4c26fd9b61e5ed49a21fd4ce4671e75d94fcce8777acc3226cf4e6a2a8d723b422531322347d3904738a5636f68eb
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Filesize
320B
MD545226bdacec6f1590f729d3e9eba9835
SHA1770bf83d9b3b2cd66d3507e8f4f225324a06ef2e
SHA2569ce8e0445057d5ac4cad6d13513b7ba10d23d1d5509ff858dc87f36b855c4189
SHA5120820832669195a84fc2cea4fca2060b2054923bef661d3475accd40957071423ce092de8ff09baed15c7d9843c603ce8409c584ff621dab75697879343fb990e
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Filesize
320B
MD50f26ace180642138b6190038e3b6df80
SHA1aa01fdfaed1ab617ebcd19c7a08f75d3246f3b21
SHA256ae359d50aee0631e370392c6576bfc3f74f9b035f3445be9809e8bf0640005ff
SHA512b8b06ba6e09d65b41f2bd0c0a16a88349fb3252a8a3da00bf9d4edf83118a585eb06b90b3560779ed65da180577942e643221419fde430adda48ac158a993d71
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2