Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
10-11-2024 04:46
Behavioral task
behavioral1
Sample
81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exe
Resource
win10v2004-20241007-en
General
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Target
81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exe
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Size
29KB
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MD5
55d971c3341c094c72cad7e932a630a0
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SHA1
1b89946e2e09790fafe234f617bb7902546dd265
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SHA256
81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056
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SHA512
ebcdfb9e82facb1e05f7f73489962e93315d14e8b7cf112ee52e48427f4ff2df78c40e457a390756c1156a675ce192e381a2782750b762d277387f236fbbc313
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/v:AEwVs+0jNDY1qi/qH
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2484-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2484-52-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2484-79-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
Processes:
services.exepid Process 2824 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exeservices.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Processes:
resource yara_rule behavioral1/memory/2484-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2484-3-0x00000000001B0000-0x00000000001B8000-memory.dmp upx behavioral1/files/0x000900000001756b-7.dat upx behavioral1/memory/2484-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2824-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2484-52-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2824-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2824-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000e000000016fc9-68.dat upx behavioral1/memory/2484-79-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2824-80-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
Processes:
81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exedescription ioc Process File created C:\Windows\services.exe 81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exe File opened for modification C:\Windows\java.exe 81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exe File created C:\Windows\java.exe 81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.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.
Processes:
81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exeservices.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exedescription pid Process procid_target PID 2484 wrote to memory of 2824 2484 81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exe 30 PID 2484 wrote to memory of 2824 2484 81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exe 30 PID 2484 wrote to memory of 2824 2484 81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exe 30 PID 2484 wrote to memory of 2824 2484 81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exe"C:\Users\Admin\AppData\Local\Temp\81ebc2b62864ed96c898ae59e1142875f63f7b41d4f53358267604a36bbb6056N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2484 -
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:2824
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD56273e907769122af0fbc5960efd2254a
SHA13f4a9fb7986b0152791a468128e12a480feef22c
SHA25640fbad88f5d2dd058f44bbe0f2bcb73f685029ed7e48c5e7440a8548e1c87a6a
SHA5123c3f84d14f1aa2d057e3c39deadce027e85e1cc057bae316fcfe68d9354b8da4b698131b9d2fcbdc60d7d6edc418f73128152f92b054c915d6747fb41772b2cb
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
320B
MD5271e98f4304997b8f9ee8bd129e58621
SHA19322121e30a6829b716475faec17c64499c360f7
SHA25693ce03bcb286f82c8d27a127e94d71492911711f0ecbf803e73ec891b1bd1a9a
SHA512593ff9b86ba4e7089fa3bffad040f1213e2cb9c324fa6cb13861f155c9e6e53cecf24ca926e0323a5d4444f0c270a8857ee6be0841f739b6d30bfa1855a0ab4f
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2