Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
07-01-2025 22:46
Behavioral task
behavioral1
Sample
775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88eN.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88eN.exe
Resource
win10v2004-20241007-en
General
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Target
775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88eN.exe
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Size
29KB
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MD5
0650c814c9b7aac4afb52574d2f68410
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SHA1
380ca23dbdf448934ed77522acf10dde63f36734
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SHA256
775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88e
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SHA512
ea7b8a55fa58975a130f4f7e9f213f344e8cf424cc1f171565a7bac6d825506d4af8214e9b86510c02263a49e1179fadf9ff206d07c1e567da876b2a655829e4
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/NhQ:AEwVs+0jNDY1qi/q1m
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/1040-0-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1040-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1040-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1040-63-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1040-67-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1040-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2200 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" 775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88eN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1040-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1040-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000018b62-7.dat upx behavioral1/memory/1040-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2200-17-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2200-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2200-23-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2200-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2200-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2200-35-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1040-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2200-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2200-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0038000000018710-55.dat upx behavioral1/memory/1040-63-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2200-64-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1040-67-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2200-68-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1040-69-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2200-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2200-75-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88eN.exe File opened for modification C:\Windows\java.exe 775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88eN.exe File created C:\Windows\java.exe 775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88eN.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 775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88eN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1040 wrote to memory of 2200 1040 775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88eN.exe 29 PID 1040 wrote to memory of 2200 1040 775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88eN.exe 29 PID 1040 wrote to memory of 2200 1040 775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88eN.exe 29 PID 1040 wrote to memory of 2200 1040 775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88eN.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88eN.exe"C:\Users\Admin\AppData\Local\Temp\775ca2be4e790bcad135eebd92fff3749a10855980a9bc2a7beb57d6fb6cc88eN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1040 -
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:2200
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5c71d7215510a4daf781c49757226695a
SHA1943319ef8c4911e9baaffb1ba5015d91cbed7e6a
SHA256e6232e951c10373b74b129b8939429481194415ae58f3b5af76872e39e9a462f
SHA5127a1f5ba713cc6eefd9659056a849ca52b851ab61430ec4309699c1d4e916be090e45543db3234656846729c28a1c370dd101901b0b1bb3334946be8cbc21507b
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Filesize
320B
MD5709a8025c42dde051420b8fa2fd8fa5e
SHA116db1f056cae15e76378eaa066a9cd9fb4769e6c
SHA256d0b02d9a5f72379fc0d7795520bb31f9bb26c90267599c9715946bea99a9eee1
SHA51200be8130d15b8c5047c400a8264bf45c25bcd96bd923cf1b344177963f5b6d8f0cf088d77ccd6c804d8d06609741934a4c3b5be6ea59960620b8d6753708ff18
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2