Analysis
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max time kernel
120s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
23-11-2024 05:25
Behavioral task
behavioral1
Sample
31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe
Resource
win10v2004-20241007-en
General
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Target
31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe
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Size
29KB
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MD5
b90b2697d039e2db1fcc54522b05a3e0
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SHA1
41a83048c0a8263defdb61211008d4f709a23dbd
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SHA256
31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74
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SHA512
83ab001ca6992d1be11b1c4a400ae38442321ae9f0afedeb564982f391c4bca6530ac944785c8dc53806874f9906bbf1967221ce73f7841d4098fc9d8797981a
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/w:AEwVs+0jNDY1qi/q4
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2568-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2568-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2568-61-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
Processes:
services.exepid Process 3048 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exeservices.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Processes:
resource yara_rule behavioral1/memory/2568-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2568-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3048-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00070000000195c2-10.dat upx behavioral1/memory/2568-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3048-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3048-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3048-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3048-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3048-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3048-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3048-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3048-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3048-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3048-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2568-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3048-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2568-61-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3048-62-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-72.dat upx -
Drops file in Windows directory 3 IoCs
Processes:
31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exedescription ioc Process File created C:\Windows\java.exe 31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe File created C:\Windows\services.exe 31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe File opened for modification C:\Windows\java.exe 31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.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.
Processes:
31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exeservices.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exedescription pid Process procid_target PID 2568 wrote to memory of 3048 2568 31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe 30 PID 2568 wrote to memory of 3048 2568 31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe 30 PID 2568 wrote to memory of 3048 2568 31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe 30 PID 2568 wrote to memory of 3048 2568 31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe"C:\Users\Admin\AppData\Local\Temp\31f4d4bc88d891b4ef490f7caf6e10135273b7a7cb464fd7c91e0777211f6f74N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568 -
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:3048
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD573e1299f9883fff0a11ae924abc5e646
SHA1a7a9babe22af7080b9db8cdd461808103d4f6327
SHA256246705c35c109d56a38f0f663fbdad9315863425590b1bf42fef4a1d00a3eca9
SHA512ba4be75c312ec8320dcdeff121a02ba02c9cc91db57fa7154ca56677af6177e06e14a3cf665067875887c4eeeba2383da4ee058e433ffa29acef1e148bd46c68
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
320B
MD5ca1f2295ff19db324e3f50f1dd5c957a
SHA1d7c26c8d6671d724ce2c27ef17bd5f7bd7eb05cf
SHA25697913e1c491dbfc5940add32a5fc4ab9ba3505bff6debf8f242a28787626b997
SHA512bdbf775f97f286428dff43a67bb4d595c5d6b662973575ef835a78bb825ebceec06bae53988cfec9ebbf5f3e479674ea8f789e157ccd3c36951fbd589fd65144
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2