Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07-01-2025 19:20
Behavioral task
behavioral1
Sample
723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051.exe
Resource
win10v2004-20241007-en
General
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Target
723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051.exe
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Size
28KB
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MD5
4fa4f6ffe89fd31e7af808a1c51cb68b
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SHA1
aec0bd198db929737efce49afe27fface97ed4ff
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SHA256
723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051
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SHA512
5c20e4fcc0045acda72b20f4fac5560190c80fcbe119cd5039f21b1d44b2821cf16bdc6dc6ed0116b203eda561554f245b19618684b958476092a97c8e42e33e
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNFAb:Dv8IRRdsxq1DjJcqfW2
Malware Config
Signatures
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Detects MyDoom family 9 IoCs
resource yara_rule behavioral1/memory/1628-2-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1628-15-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1628-30-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1628-35-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1628-53-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1628-55-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1628-60-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1628-65-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1628-67-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 352 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" 723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1628-2-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1628-4-0x00000000001C0000-0x00000000001C8000-memory.dmp upx behavioral1/files/0x0008000000016d06-7.dat upx behavioral1/memory/1628-15-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/352-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/352-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/352-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/352-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1628-30-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/352-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1628-35-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/352-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0004000000004ed7-41.dat upx behavioral1/memory/1628-53-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/352-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1628-55-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/352-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1628-60-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/352-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1628-65-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/352-66-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1628-67-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/352-68-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/352-73-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe 723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051.exe File created C:\Windows\java.exe 723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051.exe File created C:\Windows\services.exe 723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051.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 723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1628 wrote to memory of 352 1628 723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051.exe 30 PID 1628 wrote to memory of 352 1628 723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051.exe 30 PID 1628 wrote to memory of 352 1628 723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051.exe 30 PID 1628 wrote to memory of 352 1628 723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051.exe"C:\Users\Admin\AppData\Local\Temp\723bdc5ca6a258e2b02df1b3f90c899537c5098f3b7dae9cdc3e617ed3318051.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1628 -
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:352
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD5583e02a5b836c00aacb9be4f58b4116d
SHA1d4f50f0669b9925fd7f5dd1c1f032c03acc33b13
SHA256dd2423a5ea9d1be745a8dc00fff81947860ebe0ede44c998cb3e9b0e74a99f84
SHA5128a9fabeb9bd7db4fd8340bc6a24d1e78a6234c052a6f37af7ad655c645ceb8903951eb9c5c00e97485119c5ee2bdfb6b7ea0530a9e526af1c103e71b40b9397a
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Filesize
1KB
MD5f5dc76996bf6653e63f62cb4636aef67
SHA112604b702d73563b5d8e658573f9ebed6580635f
SHA2563d14c62a3a13d2c87912945028c58c51a55b16682a211e8a8e509f3137810374
SHA51260041f15239ad3c51ef6afef350707d45af6fae68f992fccd412a4316a85f31fc7db2b7e6b24e3347e0243cd3a5531c695b1a9af34edce45b7b0348753d27f96
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Filesize
1KB
MD5aa765efdc2585627459a8e2f3f6898ee
SHA1b99514679c7cc9920fad0f44e16b5499cb063ada
SHA2567d2f3e5b6a2208e166edf8e0198f60626e77fde29fa4e1dfb9805bb3cf3debb1
SHA5120fbe6cc248bd9f41b7e3ee2575220db40fa5b5dcedb0517340d444d05cd0fee9be586dc645ba390d2dda2a2be5254ae52d343e46d3f2bc7c7d4155a19ca27137
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2