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Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17/11/2024, 10:59
Behavioral task
behavioral1
Sample
fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53.exe
Resource
win10v2004-20241007-en
General
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Target
fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53.exe
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Size
29KB
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MD5
9bfca63c185a452947d64ee4d616f4de
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SHA1
a5a6dc4e30b8450657eb0e764207ab6a8939e5d6
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SHA256
fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53
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SHA512
e916c16cfb07f7a7306afc8b11747f2f8134f5d5e3073065dc1d63a0a057de5904d51d211aabe96c4ef6e0d666daea9299b3143750db9289b2fa71b03dd13d16
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/9:AEwVs+0jNDY1qi/qV
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral1/memory/2312-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2312-57-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2312-62-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2312-80-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2312-82-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2312-87-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1504 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" fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2312-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x000800000001658c-8.dat upx behavioral1/memory/1504-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2312-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2312-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1504-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1504-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1504-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1504-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1504-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1504-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1504-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1504-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1504-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1504-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2312-57-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1504-58-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1504-63-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2312-62-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/files/0x0004000000013d08-73.dat upx behavioral1/memory/2312-80-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1504-81-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2312-82-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1504-83-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2312-87-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1504-88-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53.exe File opened for modification C:\Windows\java.exe fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53.exe File created C:\Windows\java.exe fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53.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 fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2312 wrote to memory of 1504 2312 fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53.exe 31 PID 2312 wrote to memory of 1504 2312 fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53.exe 31 PID 2312 wrote to memory of 1504 2312 fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53.exe 31 PID 2312 wrote to memory of 1504 2312 fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53.exe"C:\Users\Admin\AppData\Local\Temp\fc4b077d4b970dc3ff16fe1b147700f62956be159c85554af6c71f38d2058c53.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312 -
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:1504
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5230778b4c159ec1415d62841b2678806
SHA1b1bcd47abac815d14f104d22122c738717563c1b
SHA2569e86e4bcb62f3a5ddb5b49675a1329824118f466edef38a1ec60ae0145b69e49
SHA51289bad37c4609731b0ce0aaaea57e7beef9a53d938fa3714a161164a255f3406964abe69a4bf566a6f9b15980a352f26ae7150a33a2d5d608920301b9df0302ca
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Filesize
288B
MD5557b759af6461da81d97859cbcacd958
SHA1873a572c13284682ac36d628f99547ac260e7095
SHA25682d3efcf52bd41e0bdd3f0bab61842c975825af73212672e53fb1578029fa7bd
SHA5120c2d191a3cc3794c4d00dc4667c6f146265acac1b6db42a700bc943b1e374c8db5d648886b7a9eed2314fbbd9a2144e9ef4448867446b5fe283d21693d5b91d2
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2