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Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16/01/2025, 08:05
Behavioral task
behavioral1
Sample
89b524c2822e54200e24c07b2dee5477e8e1289c097d7b1c16e1a8a07705351cN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
89b524c2822e54200e24c07b2dee5477e8e1289c097d7b1c16e1a8a07705351cN.exe
Resource
win10v2004-20241007-en
General
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Target
89b524c2822e54200e24c07b2dee5477e8e1289c097d7b1c16e1a8a07705351cN.exe
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Size
29KB
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MD5
0e9a91e1a618df1c6e02d9962bf0bea0
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SHA1
8d9ec9e2ea7fd07148d28b8e57146352c0d777ab
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SHA256
89b524c2822e54200e24c07b2dee5477e8e1289c097d7b1c16e1a8a07705351c
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SHA512
bf8d3b068ffa45f6c25b92fc408322cb168435996b8d3c8c1abcedb68881d0c704289f4bcdbc1c82d1110128b66cfb20d2583ba464f9de0ca9f0b62185eb4e3c
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Oh/:AEwVs+0jNDY1qi/q2d
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral2/memory/3024-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3024-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4832 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" 89b524c2822e54200e24c07b2dee5477e8e1289c097d7b1c16e1a8a07705351cN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3024-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4832-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0008000000023c93-4.dat upx behavioral2/memory/3024-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4832-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4832-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3024-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4832-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000000709-62.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 89b524c2822e54200e24c07b2dee5477e8e1289c097d7b1c16e1a8a07705351cN.exe File created C:\Windows\services.exe 89b524c2822e54200e24c07b2dee5477e8e1289c097d7b1c16e1a8a07705351cN.exe File opened for modification C:\Windows\java.exe 89b524c2822e54200e24c07b2dee5477e8e1289c097d7b1c16e1a8a07705351cN.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 89b524c2822e54200e24c07b2dee5477e8e1289c097d7b1c16e1a8a07705351cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3024 wrote to memory of 4832 3024 89b524c2822e54200e24c07b2dee5477e8e1289c097d7b1c16e1a8a07705351cN.exe 85 PID 3024 wrote to memory of 4832 3024 89b524c2822e54200e24c07b2dee5477e8e1289c097d7b1c16e1a8a07705351cN.exe 85 PID 3024 wrote to memory of 4832 3024 89b524c2822e54200e24c07b2dee5477e8e1289c097d7b1c16e1a8a07705351cN.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\89b524c2822e54200e24c07b2dee5477e8e1289c097d7b1c16e1a8a07705351cN.exe"C:\Users\Admin\AppData\Local\Temp\89b524c2822e54200e24c07b2dee5477e8e1289c097d7b1c16e1a8a07705351cN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024 -
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:4832
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD587c8878e2d9041b8c3f55de42f55bd43
SHA124b8ab4587c82a07a6a696ecc7493712ed50fa13
SHA25671e4b0ca04aa6af82ca8c9e6b908b9c670294e01680225495478952eb6c45317
SHA512293c2f49197369108aa82206f294fab2d293926bb82a57fa0641419b4ecc9d64c4a36d81868ef82019a9b340997ccfe9c256c4104782600388a87f2acd4afba0
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Filesize
320B
MD53e4c3a3fe3a249db3a9451bc674b08e4
SHA174dccc60ff067021ce2fb3c6056590bed8a631d2
SHA25675d8ace07c75f2bca73b342dfa1a5f010fdb24397d53795f11d8ef4da9b32b6d
SHA512d28fb05fd3da5a33baec1bed2e3ccc6585fe00d4374051d8b61b5d03b99f096838c1b7794ba37ca99c320f3b49520995ab02ac04354369f91827f7fa5fa2e1ef
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Filesize
320B
MD56246ee1b5670dffee326dcd98098c12f
SHA19134aca534c86eb39862c5ebb3bed346af5ac9c7
SHA256c4b2470d79eb2243b54966877487918cb3550a5542c76cf8b29e4d7c8ac6bb39
SHA512944d80ba07728992eafccbc08655a92f9b25fb95eca41d7d65c0cf2584ef386a88bf962adcab4507b5165ab9c952880c5f6aa04425d29b6e06d74802be8b1820
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2