Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19/11/2024, 15:24
Behavioral task
behavioral1
Sample
abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974eN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974eN.exe
Resource
win10v2004-20241007-en
General
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Target
abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974eN.exe
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Size
29KB
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MD5
cd75288d688d485cacebff90e0920fc0
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SHA1
90d2c1446002b79ad71e51ff645022507401dac6
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SHA256
abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974e
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SHA512
58121163e7dc488266e2840e12f733862a68fd4d9fd9133f324e2c143d4beec5187f7065334efe5ad8e44d6aa70c0c238a1c337f4fc0574f5820a00bfd7f815a
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/V3t:AEwVs+0jNDY1qi/qr
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2144-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2144-42-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2144-64-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2144-68-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2144-70-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2764 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" abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974eN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2144-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2144-3-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x000800000001937b-7.dat upx behavioral1/memory/2144-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2764-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2764-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2764-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2764-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2764-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2764-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2764-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2144-42-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2764-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0028000000019353-56.dat upx behavioral1/memory/2144-64-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2764-65-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2144-68-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2764-69-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2144-70-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2764-71-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2764-76-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974eN.exe File opened for modification C:\Windows\java.exe abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974eN.exe File created C:\Windows\java.exe abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974eN.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 abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974eN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2144 wrote to memory of 2764 2144 abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974eN.exe 30 PID 2144 wrote to memory of 2764 2144 abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974eN.exe 30 PID 2144 wrote to memory of 2764 2144 abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974eN.exe 30 PID 2144 wrote to memory of 2764 2144 abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974eN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974eN.exe"C:\Users\Admin\AppData\Local\Temp\abd94505d28cb36ba9901741bcf1506ce737879a00365a66f93e4094034a974eN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2144 -
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:2764
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD594f5fc7bed86dc7b0c19edd7af9a626c
SHA13022065b411d5adbe96dbf74a94bbd9439eeff81
SHA256aa70d08629712d1820454d6320b4954ce4d383463b5913b653183376a99279ea
SHA512bdf3f1488752a3ec6870dd293c111a4e4ce4e323c37a41cb131d9fd51a6dcbf7f3facd0d904d9cacc0c9dca0e90546697cc12de10c7c20e428d3f5c510ca9594
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Filesize
352B
MD54b53c9a9560dbbc955c2cc64809c849a
SHA1cafeaba6ab3e129905aab674166f58b2e5adc1e4
SHA256a3c2853a090a41a6a8bab7b4f12d507eb11060c6e624af444553017b4581109f
SHA5126648e14a28bbc1fa7f66db92de4591deacecfefd60a4ea8c9e927ffb7fe69d2f4ef4d2513e4538afac167d2d017783d98e392aa8d9b96bfa0bfdc8256be0ee0b
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2