Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-01-2025 10:22
Behavioral task
behavioral1
Sample
dbc59d93a4e0c94e2f4b25f5c24f27a36abd2d6ede39c7ed6b8c03939ce94c3f.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dbc59d93a4e0c94e2f4b25f5c24f27a36abd2d6ede39c7ed6b8c03939ce94c3f.exe
Resource
win10v2004-20241007-en
General
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Target
dbc59d93a4e0c94e2f4b25f5c24f27a36abd2d6ede39c7ed6b8c03939ce94c3f.exe
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Size
29KB
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MD5
5b553ac06a054c015325a9dcffcebcb8
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SHA1
bc1523ba0fb80389e4a457424279d81ff54f460a
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SHA256
dbc59d93a4e0c94e2f4b25f5c24f27a36abd2d6ede39c7ed6b8c03939ce94c3f
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SHA512
99a5a3690309bbe7479dd36fb1f1a085efeb1479ce91c5671946f57b947a8ef5d8c59187854244c3455515c1b7763ad3d7612216a49f0ebaca065eb3de4de3e2
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/0hd:AEwVs+0jNDY1qi/qsH
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/4324-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4324-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4324-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4324-136-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4324-167-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4324-174-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 5104 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" dbc59d93a4e0c94e2f4b25f5c24f27a36abd2d6ede39c7ed6b8c03939ce94c3f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4324-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000a000000023b99-4.dat upx behavioral2/memory/5104-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4324-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5104-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5104-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5104-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5104-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5104-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5104-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4324-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5104-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4324-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5104-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0005000000011940-50.dat upx behavioral2/memory/4324-136-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5104-137-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4324-167-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5104-168-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5104-170-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4324-174-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5104-175-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe dbc59d93a4e0c94e2f4b25f5c24f27a36abd2d6ede39c7ed6b8c03939ce94c3f.exe File created C:\Windows\services.exe dbc59d93a4e0c94e2f4b25f5c24f27a36abd2d6ede39c7ed6b8c03939ce94c3f.exe File opened for modification C:\Windows\java.exe dbc59d93a4e0c94e2f4b25f5c24f27a36abd2d6ede39c7ed6b8c03939ce94c3f.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 dbc59d93a4e0c94e2f4b25f5c24f27a36abd2d6ede39c7ed6b8c03939ce94c3f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4324 wrote to memory of 5104 4324 dbc59d93a4e0c94e2f4b25f5c24f27a36abd2d6ede39c7ed6b8c03939ce94c3f.exe 82 PID 4324 wrote to memory of 5104 4324 dbc59d93a4e0c94e2f4b25f5c24f27a36abd2d6ede39c7ed6b8c03939ce94c3f.exe 82 PID 4324 wrote to memory of 5104 4324 dbc59d93a4e0c94e2f4b25f5c24f27a36abd2d6ede39c7ed6b8c03939ce94c3f.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\dbc59d93a4e0c94e2f4b25f5c24f27a36abd2d6ede39c7ed6b8c03939ce94c3f.exe"C:\Users\Admin\AppData\Local\Temp\dbc59d93a4e0c94e2f4b25f5c24f27a36abd2d6ede39c7ed6b8c03939ce94c3f.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4324 -
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:5104
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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
MD539d2ff23168bc36d820f2bd903c56082
SHA15ea646d7e7f4ae5b5e92b5e1047fc36df8f3f536
SHA256760450da2966f9373813e9180f4b95bdd204ed4c5d91f54531ce4a8130da90ae
SHA5121b760319d2bbd8cf49a08dc40ffe7cbb46c74c1df2bcb3416448054ce524b5d6ce002208e30e74fddaf474785d3ed6238125b549ab7b0229c816d311c6569180
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Filesize
320B
MD5d531ca3203545ecff7c8918e07f01d00
SHA13ac46f0410ad347218a0617f6a3a1bc5c3b03458
SHA25606c48a435f228c6440d0b270f3e249c79a874ca14b689245cd6d6b101c939472
SHA512eb36b1f6704b6613e3d989b1d8063dde7338fcc864a2fca46b8ad9295402494d35a15da62ef0d762657fc693521365adf49bc394d51216b8e811f401dea6b05f
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Filesize
320B
MD50070a1a90e85cda7d934629935145018
SHA1eeabfaffea934037d18efe010dbeb9a9411fb56d
SHA2560f3742767a509f1bceaa843f78e4f4e7bd61babf16edf89dbf087bfc002e272e
SHA512f0c2114126194585a0154f0cbb8b6fd9fbe6b3a7fdc96f40488bfc29dc2fd3a6f0f5ed91a8a2f233f553a2c523de45e38ccca63a4ea992061658d858f448d8ac
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Filesize
320B
MD53c813af3c632b313055b9cf0e4391da2
SHA19d1d3d9dd77131198029f15e8ff2ca275b3bc50f
SHA256c0dc18b9aff799137e072c5771cdd0383ac0972d4770169fcabee04dace3ff9c
SHA512678e425a15997fbd58fcd2b2281f10540971def690c0c741b5b4ed711bcf24b1de8b7391ecd2fab0560f9b4fa3f479168fb495351d067a0d91dea208d785366f
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2