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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
27/09/2024, 21:03
Behavioral task
behavioral1
Sample
9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe
Resource
win10v2004-20240802-en
General
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Target
9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe
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Size
29KB
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MD5
fc8913347e1b88f0bce5088dc6f5f210
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SHA1
516330080d88e2cd259bd9f98b4422f7cc8ddd81
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SHA256
9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407
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SHA512
8529a98be8f2dd0b7a53daee943d99636cab7232023bce1f8983b45f3c2391dd15450bd34c53f4b1273aec7e053d4a0968d3bafbc7f91d07e7789fd4de14554e
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/of:AEwVs+0jNDY1qi/qgf
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/1548-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1548-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1548-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1548-137-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1548-161-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 4484 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe -
resource yara_rule behavioral2/memory/1548-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x00090000000234dd-4.dat upx behavioral2/memory/4484-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1548-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4484-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4484-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4484-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4484-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4484-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4484-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4484-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1548-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4484-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1548-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4484-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x001200000001e0f2-58.dat upx behavioral2/memory/1548-137-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4484-138-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1548-161-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4484-162-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4484-166-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe File created C:\Windows\java.exe 9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe File created C:\Windows\services.exe 9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.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 9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1548 wrote to memory of 4484 1548 9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe 82 PID 1548 wrote to memory of 4484 1548 9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe 82 PID 1548 wrote to memory of 4484 1548 9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe"C:\Users\Admin\AppData\Local\Temp\9cd331d0d2d8d4a95b2112d428395b65a2bba65e19e2c38575be78c5d0d22407N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1548 -
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:4484
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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
MD597a32f6b233aaf8ea70a66f3413525b2
SHA167865fcccd845a89d35c221d5d0ddffc176807a6
SHA256f723dcad9598756801a11390e3e5a9aa5205ed5fb5df2176fa52ba7daa0dc0ea
SHA51287ee57c90c3279b084a8fad960fa57e282f486afe83a03311cd3af13223ef180753789ae942ebf2426ce1578b2470c036cab0245c9df0701290cc9c2221e4e7a
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Filesize
320B
MD5c9a7f1ae844a3ec09ac75f9ea16c6198
SHA1de692d81f41f40147961edd9d0e8f9c86a8ca0fa
SHA2564167ee76aeb8e716ed759c58e46950a2610f24b499b83d3c7744c191423b38c3
SHA5122608fae42050903e62c63fadfe255b353c3fd7e57ec931f06c3dbde462dd64b5d790930c5aef271e00ef98625903db24b341ec70553ca16f3095b51e207aa67a
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Filesize
320B
MD5456daab9a2836e43b484e4102a1a02a3
SHA1b6f3d6c5de420386544522cadc4a087f4b75bab7
SHA256f7f6c490f2e3f88d93273263d13c67bea4feedba97cbdd7da2a2eccc57fc8cd3
SHA5126cac0315da8a17418217a5f62ad2cc1119c43e8ce81ac7f979c39feff3cf1cb14f7413b9cfbeaccb4124b7863c27d3c8324125acd5282ebb197677bcf52b21a7
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2