Analysis
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max time kernel
150s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
03-01-2025 05:38
Behavioral task
behavioral1
Sample
fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389.exe
Resource
win10v2004-20241007-en
General
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Target
fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389.exe
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Size
29KB
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MD5
68ec642abaf163b23ec7f4d6ff06573f
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SHA1
a289d944b9e740b159da176555b7f601d7acf91c
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SHA256
fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389
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SHA512
850b2005dbe7e6c3e846d8b9262764df411644440942bc2663a893af884fc7e88d198263431b17cafe06796c03eb9c350f665de9fc78baba6f2ce0530c33e714
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/l:AEwVs+0jNDY1qi/q9
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/3056-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/3056-45-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/3056-50-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/3056-74-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/3056-76-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/3056-81-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/3056-88-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2040 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" fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/3056-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x000a000000016cd8-6.dat upx behavioral1/memory/2040-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/3056-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2040-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2040-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2040-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2040-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2040-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2040-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2040-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-45-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2040-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2040-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-50-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0008000000016d3f-61.dat upx behavioral1/memory/3056-74-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2040-75-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-76-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2040-77-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-81-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2040-82-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2040-87-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/3056-88-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2040-89-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2040-94-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389.exe File opened for modification C:\Windows\java.exe fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389.exe File created C:\Windows\java.exe fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3056 wrote to memory of 2040 3056 fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389.exe 30 PID 3056 wrote to memory of 2040 3056 fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389.exe 30 PID 3056 wrote to memory of 2040 3056 fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389.exe 30 PID 3056 wrote to memory of 2040 3056 fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389.exe"C:\Users\Admin\AppData\Local\Temp\fb338c5dad561e2e563e58bdfc0c64df5958b385eaf2252a55543d971fcb4389.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056 -
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:2040
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
320B
MD5304507e5c79206c5417e62bc46f235c1
SHA1fdd73270f2fdeae72c3432294d850ab8912a3d8a
SHA256089afc4e81aab0a8423305c3dadae26bb14fc739a9c8254dda2a8763cb0f1834
SHA51271e3d9cc41cff9ffafa3caf678ea19916ed59c7a0baef176921b49276dd3bc27e6a35df03a7c7cbee5bc35954a0d8cb47e946943f4c0fd3ffe880b4e1f6aa03b
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Filesize
29KB
MD5b035238746c7ddc705f08a3a842e1f53
SHA13cf6a093339942346a1a1f9bc26d6dc47e8f8239
SHA256ee8d833fd33793bf284ebfc0ad031edd90d0b2f43f3d56b13d2c2e00e7840b23
SHA512131b850d05b7dc1f855c19b41df48f1788a24e3acaaf92569cbe5aa72081a83bfb5e09936e1f59bbd6f2ad5859fc3cdb978f370f9daaf3333fcc84086aa2d6c8
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Filesize
352B
MD5792ee922fc213103c8e5a072b2bb0a5e
SHA1546c9a26107571ff23f3ad5305d926c4e8aa8bd3
SHA256b23792386d3978da912927bc54c3c17ca0bc28a5892b5eb0a8c10da723f96963
SHA51291063f56f3b9d7b204b73a9bb3a0660fbf894e50957dc2db78c050cd6644b1bfecb6db074069e0c1c37a844cecd2f0090c52fb01d5b1b9c22fa63753ad8d25d3
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2