Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08-12-2024 00:02
Behavioral task
behavioral1
Sample
c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668N.exe
Resource
win10v2004-20241007-en
General
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Target
c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668N.exe
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Size
29KB
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MD5
63d819632521101c4050b58267868430
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SHA1
b04a83269382af878f265a779ced69070508816f
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SHA256
c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668
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SHA512
e0bc83f9e925b0458cb4fb609ff1a822bf86de6f4a5e839ef93fa1f02f6630046c5b8389a24eb6b5c7ebd97a1f446f021d753f6559a3b36163f58cb442bf2813
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/K:AEwVs+0jNDY1qi/qi
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2400-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2400-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2400-61-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2400-63-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2400-68-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2400-75-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2172 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" c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2400-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x00080000000160ae-7.dat upx behavioral1/memory/2400-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2172-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2400-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2172-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2172-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2172-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2172-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2400-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2172-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2172-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0009000000015e47-48.dat upx behavioral1/memory/2400-61-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2172-62-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2400-63-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2172-64-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2172-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2400-68-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2172-74-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2172-76-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2400-75-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2172-81-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668N.exe File opened for modification C:\Windows\java.exe c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668N.exe File created C:\Windows\java.exe c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668N.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 c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2400 wrote to memory of 2172 2400 c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668N.exe 30 PID 2400 wrote to memory of 2172 2400 c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668N.exe 30 PID 2400 wrote to memory of 2172 2400 c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668N.exe 30 PID 2400 wrote to memory of 2172 2400 c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668N.exe"C:\Users\Admin\AppData\Local\Temp\c1f9f9af3482008484f2bb7aeaa9eb6ad06ddbddb705490c37dc4e79b404f668N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400 -
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:2172
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5c6dae4fcf7ba9f1efc60a303a0e43d6b
SHA1b9791d85bb8d222439a2f595d8b615d801f72133
SHA256adf0d737928d0e1b5e71319a9a02e572037ea6e500b64a10930076be5567650f
SHA51276e04ba743ec7db02550c1ee6a9b56de7ae5df3da04b463deb29e3ac767e5f92275a3460989175009cf52ea8a922c8f76303866d8cc7f1a56b11dad5d62cf240
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Filesize
352B
MD58b6b0d04cb29a0cc7ba8a30f0a58a3db
SHA18b3a6f5bd52dda5d0caead7ebe6daa7fd24afd38
SHA256296d5d8811f16fb4d550745e0c2bb604bae2e131c4cde9c1ca09dc810337a881
SHA5129da70d6ad7a99792b267904d52d76dc30aa67b6da0d4f0a858f4a9e985f1c1d18d2373442672cf57f792217d168a03af26624d5aa6d3f31768bb5739fa709c78
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Filesize
352B
MD5ec3b84c02bba2f66a69fb2164b6f6667
SHA13e86fb21277c30a2ece075d2ae05a8139e6d858a
SHA256338f02f046cbb80948fb733d09035e328410e655e8107d10fa6e7209a7b8a015
SHA5120c73f641764bf96a3ac8b9096879f01c12f2c82d0b1da56ad670d8ad835f2c581674a67fd99d16aed95094205d24c9f02fc9998c7c471d78f261a1cb8b3d36fc
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2