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Analysis
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max time kernel
150s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25/10/2024, 09:00
Behavioral task
behavioral1
Sample
71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2.exe
Resource
win10v2004-20241007-en
General
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Target
71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2.exe
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Size
29KB
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MD5
7bf3aa257ecb02fddf2554a7a7c9e770
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SHA1
5836a9cd860ef202d987055266e0360c2d14a556
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SHA256
71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2
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SHA512
373d6f9bbdd5ab4eaee12a8cdeabebd840aa11c8bab28399a3828aa1aaf8465bccdacf1561a2b2146a2fea1cfe8778f44ba4cfd0d95999905caa0688379f8ecb
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/K/:AEwVs+0jNDY1qi/qE
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2372-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-77-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-81-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-86-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2372-93-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 1904 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" 71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2372-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0008000000016d36-10.dat upx behavioral1/memory/1904-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2372-18-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/1904-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1904-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1904-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1904-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1904-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1904-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1904-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1904-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1904-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1904-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016d69-69.dat upx behavioral1/memory/2372-77-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1904-78-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-81-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1904-82-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-86-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1904-87-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1904-89-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2372-93-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1904-94-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2.exe File opened for modification C:\Windows\java.exe 71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2.exe File created C:\Windows\java.exe 71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2.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 71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2372 wrote to memory of 1904 2372 71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2.exe 30 PID 2372 wrote to memory of 1904 2372 71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2.exe 30 PID 2372 wrote to memory of 1904 2372 71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2.exe 30 PID 2372 wrote to memory of 1904 2372 71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2.exe"C:\Users\Admin\AppData\Local\Temp\71fec806eae986fd4a9efd651e85eb67b196a765eb1b84163be80dced00118a2.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372 -
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:1904
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
320B
MD58f8057bf2babe7ddf08dd7fc062cc0f5
SHA140cc70de39b41ddf2e4fca76a48bb63271d7883e
SHA2567f4fcd1e99b1cfd7d6b198347c9385a69336cde5b714dc666c06057545f45924
SHA512738204c3f32dc3be3d078a393ca39f5e85d84a70ec8fbfa4ee23bbec902e006f774760e3ca28eba6ed20ba1ab348ce913cbc0c67010af675ccc0cf466d40d8a6
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Filesize
29KB
MD56978baeda30726417c26fa7ea20ef1ca
SHA1bc3aa34e89e0beac0834dfa351ba7b957458aad8
SHA256b9182260078e5b5e22271a12c7804b4b1a854ad891cdc5e7d619c0538e974808
SHA5126096d6279bcffa2021bf4add405cb9948047bda035bc32877b7273ab747bba00fe2372fbd20a9f20f3daafe0eb9b86525f4be5954bdde28307b69d530da5afd3
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Filesize
352B
MD5a38634fe3ba8c2d31eddefecac5cbffa
SHA1d3c4ee245a8b4850d528654d46cb05dbca9ee86e
SHA2564a938adf67fcbd31a5e005412d25cacfed3d3186b3cf828ad87fc80a519f44ba
SHA512ec5ef15471129f2966b14058349f29c0d36d67a296fa103ad8f45dc291d639402a8a09486378d730025cb24929264f8e1debb26c9b07ecf394f6abd2647ab726
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2