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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28/09/2024, 12:33
Behavioral task
behavioral1
Sample
561aef57223f1792b3e9fed9e948ed40465c28f6479639c826a422f4ac3fb316N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
561aef57223f1792b3e9fed9e948ed40465c28f6479639c826a422f4ac3fb316N.exe
Resource
win10v2004-20240802-en
General
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Target
561aef57223f1792b3e9fed9e948ed40465c28f6479639c826a422f4ac3fb316N.exe
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Size
29KB
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MD5
9e1dfda804e58f5951f86a97670a9700
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SHA1
3968c6259444844789e1c4e6cb03c6049d25d507
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SHA256
561aef57223f1792b3e9fed9e948ed40465c28f6479639c826a422f4ac3fb316
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SHA512
186ffd2fc86c437702cfe9a4bf66f5eb42adf8727a0fc7be8ee9a9bd77088a1afc4d99f79b96497946b2c9315ef5c9123d612e2fb32881bc90e281287daae1f8
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/C:AEwVs+0jNDY1qi/qK
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral2/memory/3328-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3328-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3328-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3328-154-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 5020 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" 561aef57223f1792b3e9fed9e948ed40465c28f6479639c826a422f4ac3fb316N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3328-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023455-4.dat upx behavioral2/memory/5020-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3328-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5020-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5020-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5020-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5020-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5020-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5020-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5020-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5020-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5020-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3328-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5020-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000705-60.dat upx behavioral2/memory/3328-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5020-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3328-154-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5020-157-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 561aef57223f1792b3e9fed9e948ed40465c28f6479639c826a422f4ac3fb316N.exe File opened for modification C:\Windows\java.exe 561aef57223f1792b3e9fed9e948ed40465c28f6479639c826a422f4ac3fb316N.exe File created C:\Windows\java.exe 561aef57223f1792b3e9fed9e948ed40465c28f6479639c826a422f4ac3fb316N.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 561aef57223f1792b3e9fed9e948ed40465c28f6479639c826a422f4ac3fb316N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3328 wrote to memory of 5020 3328 561aef57223f1792b3e9fed9e948ed40465c28f6479639c826a422f4ac3fb316N.exe 84 PID 3328 wrote to memory of 5020 3328 561aef57223f1792b3e9fed9e948ed40465c28f6479639c826a422f4ac3fb316N.exe 84 PID 3328 wrote to memory of 5020 3328 561aef57223f1792b3e9fed9e948ed40465c28f6479639c826a422f4ac3fb316N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\561aef57223f1792b3e9fed9e948ed40465c28f6479639c826a422f4ac3fb316N.exe"C:\Users\Admin\AppData\Local\Temp\561aef57223f1792b3e9fed9e948ed40465c28f6479639c826a422f4ac3fb316N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3328 -
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:5020
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD5a6e457bca524eb7873efc92833295228
SHA1f700c53db3df3db939e8e1ebf2a3ba065ee2a522
SHA256a485757e17127551fb7a303f4b63a890a629272902f75f01166157051a8f9fe7
SHA512775e7ef63843366a5f50fd9af760d1395ca4975f5843ee15beb5d2bb2f971c609bdc7248737daece9336c0784a28d35bec0f05833d5556d6aecd9d764261900a
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Filesize
320B
MD5dd3ea361eb837f145ded4a59031cc127
SHA13226251e0bd5e3e259cbbc7b5fe4c9c2b03552cb
SHA25688b72e7bc70167a6126125ffd93af62be14a58ee2c8ee901f4faff04e6e54380
SHA512466acbd9ca261550ad7ee714f12aa867a1fe8e3f94d945cadfe33ead186f744f93a22758ae711dbd117128caec483c346c4a4862b58c67d90529bc78f1cf53a6
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Filesize
320B
MD5e72a50e2e8d1841c75b077005e053855
SHA17603d14711f3faeeac39c5fed6788b979cfc0c57
SHA25695f62b915b21b8ed5451fc40d0605697502a654fc675b5914af221e4ada5d4f8
SHA51259c98886c36530788bac481a4878ca76b159a320e8976d48f75cbcca6237b5ca0524e36fde9207bfa7181c4e286164bf1fb4f36a08b5d9cbf04371bcc145910e
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2