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
06-12-2024 04:02
Behavioral task
behavioral1
Sample
fe8ac0ee16f17f79e35c571bc6e3e6a06b43ed13d9385544da4b0818d2108d50N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fe8ac0ee16f17f79e35c571bc6e3e6a06b43ed13d9385544da4b0818d2108d50N.exe
Resource
win10v2004-20241007-en
General
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Target
fe8ac0ee16f17f79e35c571bc6e3e6a06b43ed13d9385544da4b0818d2108d50N.exe
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Size
41KB
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MD5
b52b1c66cae0b22a1bb4c5bce1e62910
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SHA1
f0b3fcdbd2a62bc6785265c74d8d5c32780d3bda
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SHA256
fe8ac0ee16f17f79e35c571bc6e3e6a06b43ed13d9385544da4b0818d2108d50
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SHA512
5ca577b7dab57431b49e3c361c6525d621ecf1d9d3840cd99daf2cd793a859b7ee9b0f4f0b952a0bf311c1aeecbddb217ed0ee088ae14d4575e2dcc8e386cd92
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/T:AEwVs+0jNDY1qi/q
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/1020-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1020-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1020-120-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1020-158-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1020-160-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/1020-165-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 880 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" fe8ac0ee16f17f79e35c571bc6e3e6a06b43ed13d9385544da4b0818d2108d50N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/1020-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023bd2-4.dat upx behavioral2/memory/880-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1020-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/880-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/880-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/880-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/880-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/880-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/880-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/880-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1020-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/880-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0002000000021d5e-48.dat upx behavioral2/memory/1020-120-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/880-121-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1020-158-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/880-159-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1020-160-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/880-161-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1020-165-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/880-166-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe fe8ac0ee16f17f79e35c571bc6e3e6a06b43ed13d9385544da4b0818d2108d50N.exe File opened for modification C:\Windows\java.exe fe8ac0ee16f17f79e35c571bc6e3e6a06b43ed13d9385544da4b0818d2108d50N.exe File created C:\Windows\java.exe fe8ac0ee16f17f79e35c571bc6e3e6a06b43ed13d9385544da4b0818d2108d50N.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 fe8ac0ee16f17f79e35c571bc6e3e6a06b43ed13d9385544da4b0818d2108d50N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1020 wrote to memory of 880 1020 fe8ac0ee16f17f79e35c571bc6e3e6a06b43ed13d9385544da4b0818d2108d50N.exe 82 PID 1020 wrote to memory of 880 1020 fe8ac0ee16f17f79e35c571bc6e3e6a06b43ed13d9385544da4b0818d2108d50N.exe 82 PID 1020 wrote to memory of 880 1020 fe8ac0ee16f17f79e35c571bc6e3e6a06b43ed13d9385544da4b0818d2108d50N.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\fe8ac0ee16f17f79e35c571bc6e3e6a06b43ed13d9385544da4b0818d2108d50N.exe"C:\Users\Admin\AppData\Local\Temp\fe8ac0ee16f17f79e35c571bc6e3e6a06b43ed13d9385544da4b0818d2108d50N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1020 -
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:880
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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
41KB
MD51756da5c450d0b79330aa79a0e178de7
SHA1e7fabf30abb9a01f580145cdfb90f8e4b00c3158
SHA25664651cb5791bb2b63fd2cc89f2c7f6eb7e10d9f083e4570a482312c6996fd50f
SHA5127740316191859d3b8cf877c45bf3ac6922dc6432addcba48a923a76ce4d740eab930e98dbc035717425dbc1a360c207f14db1f5ff82491a5c8fa31782a0d2c07
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Filesize
192B
MD5eb7c099f54f6ff26c49b3f06621b778f
SHA140bf9c038b5f08cd2a12c984923d706dd9387920
SHA2566e9768a444afab57a9a1e882dab352332e7e9fed75dbb2aed181c7ef426bbd4c
SHA512be42262abf9ee7644041045828ae965871d2d7098085c9c6d34eee78ddf3826119c8a74f3e3a83e43f76e6f6007d49eeebc557db0e79ee28c9747488790089aa
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Filesize
192B
MD56332347cce5ec4b0fcbf449e04502857
SHA18226780f85b35988df6f06714366b9d4c408321a
SHA25684f26902d06b51cc4131eef7cb3f28026a9c644e21c2dc4d8cf66302eadb49e1
SHA5127913850211bf0dbb5f88c6c02e510fbe6c8cd98f9a18183879cdec2816f57a1be0ed62a74f5dc8b76cd049a98a9c91f477eb55ad0513d42c93dd98d4fa560481
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Filesize
192B
MD52a7dd05f5c9385a35924548157c3f41b
SHA1d172a0d2d4b412be9aefb430cd12779adf812a22
SHA2560b07da61cbb37e7cff1aa1b4b9fb64d392bdcc9d70e8b15d2e65cee588078765
SHA51268f1ed7c2a79fd82f4e58a0acf091959759041e33644fa1422300e5bd54eae949158ee2caa27745226f1d62ea4c59a5570dcfeb53cf3c377a5865fabdd951a98
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2