Analysis
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max time kernel
120s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-12-2024 05:54
Behavioral task
behavioral1
Sample
49becb74f6b3ac67c26da50b5ad232e261e47435847e03e013139257306decd3N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
49becb74f6b3ac67c26da50b5ad232e261e47435847e03e013139257306decd3N.exe
Resource
win10v2004-20241007-en
General
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Target
49becb74f6b3ac67c26da50b5ad232e261e47435847e03e013139257306decd3N.exe
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Size
29KB
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MD5
809018f6d222bb9ed126e972d4c359a0
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SHA1
4b4099acf456b393fc24dc0fd37957f73e244ef1
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SHA256
49becb74f6b3ac67c26da50b5ad232e261e47435847e03e013139257306decd3
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SHA512
19cbb99dc3630aa5fdd263f797bf4185d7c1af7925b75138db7742ff2d1a8869a7f84c70a3b3c290b66c822a435a24c84cafd81c1c4b6acceb7e5a6b35216de7
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/E:AEwVs+0jNDY1qi/qs
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/1648-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1648-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1648-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1648-133-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1648-158-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1460 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" 49becb74f6b3ac67c26da50b5ad232e261e47435847e03e013139257306decd3N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1648-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023c6d-4.dat upx behavioral2/memory/1460-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1648-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1460-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1460-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1460-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1460-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1460-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1460-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1460-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1648-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1460-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1648-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1460-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000011940-50.dat upx behavioral2/memory/1648-133-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1460-134-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1648-158-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1460-159-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1460-163-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 49becb74f6b3ac67c26da50b5ad232e261e47435847e03e013139257306decd3N.exe File opened for modification C:\Windows\java.exe 49becb74f6b3ac67c26da50b5ad232e261e47435847e03e013139257306decd3N.exe File created C:\Windows\java.exe 49becb74f6b3ac67c26da50b5ad232e261e47435847e03e013139257306decd3N.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 49becb74f6b3ac67c26da50b5ad232e261e47435847e03e013139257306decd3N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1648 wrote to memory of 1460 1648 49becb74f6b3ac67c26da50b5ad232e261e47435847e03e013139257306decd3N.exe 84 PID 1648 wrote to memory of 1460 1648 49becb74f6b3ac67c26da50b5ad232e261e47435847e03e013139257306decd3N.exe 84 PID 1648 wrote to memory of 1460 1648 49becb74f6b3ac67c26da50b5ad232e261e47435847e03e013139257306decd3N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\49becb74f6b3ac67c26da50b5ad232e261e47435847e03e013139257306decd3N.exe"C:\Users\Admin\AppData\Local\Temp\49becb74f6b3ac67c26da50b5ad232e261e47435847e03e013139257306decd3N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1648 -
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:1460
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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
MD531e99d1441c836748063789d51e87399
SHA1da7d8dbc8101f467f57df975371123293580dd7c
SHA2567123bc457412cdafb42cce900a77e93e076763791fb89a89234feefd6ac67b27
SHA512f888d41072a8a882ff16455550d09f74929db72ecd8157b34c0b5b9278ad87e77b66ff06a5224a17bd7ec994f0e7f0b520a63a8d2e729533a0122418140c5fc5
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Filesize
352B
MD5eb9fa94c1c4a64e3752073e29ccb0d08
SHA1a8b7795d20e9d3c9848c50f761db6a475f041e2a
SHA256b95e18847cb74a039256e1cad55778cd2ac9f09ef0671a7feadd793c1bd0f057
SHA51294cf462c396cecff938952010cf6456aff2cefc0616eca94529b3b16cbfeb683109c5c4a11854689bbddb3a46845cffa5ca40b94300cd137a790d99b63f45f57
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Filesize
352B
MD59ea845f89270f936696535d9462dcd90
SHA1a368742ac6880df8b363e1e731d2149d038dbd75
SHA2568f9abcb3b0fc4c14132dcd607896a0c176dbe5353078bca1da048cfb3c2a8015
SHA5128fd3b090565c4da725c64b21305e0eef7e6460132c40d355badb1642bde1411a85e247b8191380f8227f5da8362279c7a1eafc937ed4971d07a157b9c719b53c
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2