Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
18-12-2024 05:01
Behavioral task
behavioral1
Sample
bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3.exe
Resource
win10v2004-20241007-en
General
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Target
bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3.exe
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Size
29KB
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MD5
16a19a015797fcc308b68d18cfbd1cb3
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SHA1
188a3fba954565d4dea5ecb57a3f2a38b10e7982
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SHA256
bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3
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SHA512
20f08e793ba4d53216b7a1755b6d40f7f0bd9c5b9c509e9ff5c642d7a69cf1ba064eed9d0b9b5b11e6caa9232eca0b0cfbada7968c0ac57c3a1f0bff8941b929
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/hm:AEwVs+0jNDY1qi/q8
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/2376-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2376-62-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2376-67-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2376-86-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2692 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" bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2376-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0009000000016d5e-10.dat upx behavioral1/memory/2692-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2376-18-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2692-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-58-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2692-63-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-62-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2376-67-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2692-68-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-78.dat upx behavioral1/memory/2692-87-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2376-86-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2692-91-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3.exe File opened for modification C:\Windows\java.exe bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3.exe File created C:\Windows\java.exe bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3.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 bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2376 wrote to memory of 2692 2376 bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3.exe 31 PID 2376 wrote to memory of 2692 2376 bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3.exe 31 PID 2376 wrote to memory of 2692 2376 bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3.exe 31 PID 2376 wrote to memory of 2692 2376 bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3.exe"C:\Users\Admin\AppData\Local\Temp\bfb98d24293760c802f4ae01983510ca7428d748a41ce5701b0e6329fa1e82c3.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376 -
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:2692
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5cc45ab0fc3387f2662352c5e0c46689e
SHA1fb32811de3f42387107a7f095c6b4f4d9de5d4ad
SHA256084876a768b7ce19e1986cbb95a0c3986f999fe33eeb0b7cd622518485e710e4
SHA512f91c6d6131bd70c179a295d8a4975801a7888841588a09b690c1ca70ca23c8c1d67576cc85caf6aa84d0b90276aea6242a43589ea759ae2ffed8754b8eb791b3
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Filesize
384B
MD530abfac84f74dfa55684a2a4094ca032
SHA1491544f50ef1df48c67bc7ec4d9e72615a60f78a
SHA256c565c472f9cf3c8135f093d6235300af79630dca556ecd2c3dbbd64af2be171a
SHA512bb20fe20862569839f8311cb89015090787720bc3f51247ef979f0078e13944b2cb3abdc7fa223df40e0da6f298fb186cd99bf2ab7a42ab21db9a1cbc8641df5
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2