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Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
07/12/2024, 22:44
Behavioral task
behavioral1
Sample
91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83N.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83N.exe
Resource
win10v2004-20241007-en
General
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Target
91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83N.exe
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Size
29KB
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MD5
0c27a2a94c8ff435983587cce8c812d0
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SHA1
612a7cecd0deb5cf1328cacc2e16f837aa34b686
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SHA256
91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83
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SHA512
98866203fd4819fcda7653eeefbb11deda5884ae57b570ba59f443db1882d9ee8b3422133e08fc6ce5b086ab73f608e265997609be2616b5ce1bc36f0f06703a
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/i:AEwVs+0jNDY1qi/qa
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/2672-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2672-48-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2672-75-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2672-79-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2416 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" 91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2672-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2672-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00080000000165c7-7.dat upx behavioral1/memory/2416-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2672-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2416-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2416-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2416-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2416-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2416-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2416-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2416-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2416-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2672-48-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2416-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2416-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-67.dat upx behavioral1/memory/2416-76-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2672-75-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2672-79-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2416-80-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83N.exe File opened for modification C:\Windows\java.exe 91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83N.exe File created C:\Windows\java.exe 91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83N.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 91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2672 wrote to memory of 2416 2672 91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83N.exe 31 PID 2672 wrote to memory of 2416 2672 91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83N.exe 31 PID 2672 wrote to memory of 2416 2672 91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83N.exe 31 PID 2672 wrote to memory of 2416 2672 91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83N.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83N.exe"C:\Users\Admin\AppData\Local\Temp\91025789d85f278972bda1fe0a72f079a694d8b2502fd8f51364fc8dbba89b83N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672 -
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:2416
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD511a2457605371520dd4488e03ebc889e
SHA1aef16b568598f13094874baab86a667dcbf339a9
SHA25617271bab08b32bcfca546b04106d16706ed24a716c730f6875a7723722d6ea73
SHA5121443004c09e5718d972686d76504144e0ac988826e67021a4320081ff337a69677dcf3b1cae69322bbd07f520e18c67c9f82e62fe0e85807bf10ff9e7e38e532
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Filesize
352B
MD59cd8c5592c5c5d800bfe9b3ca3170ed7
SHA1331fb9e7aeb9495f2589b3238e46f62eeb89d96e
SHA256f45fd4e2524c004a3a27e56ddd61430a8d841f12bedd94479e325b2df56e8a04
SHA512a89bb75fb3d03a08d133dc40e4d7bfb2e71987fdb3a575a8358a7b967ff3b6232dc04fe71da3dd0c45b5683aabfb09d42ec9cfd60e3c85f8c48c8afa8e6048d5
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2