Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08-12-2024 00:14
Behavioral task
behavioral1
Sample
40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe
Resource
win10v2004-20241007-en
General
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Target
40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe
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Size
29KB
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MD5
64bffb6b173481167a34dd7f963c12c0
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SHA1
648ddfac2b5a42c07c65237ea332383459a3e537
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SHA256
40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0
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SHA512
4e363b25bed4674f3a64307868edab16f0f274f157e55b6bc454f1b422729601833c07bd7b3fa143d4010f4abc768d61d4d5af0d7ebe930319c090be76bdeb8f
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/iNC:AEwVs+0jNDY1qi/qKNC
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/1812-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1812-35-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1812-40-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1812-53-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1812-57-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1812-62-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1812-69-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1980 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" 40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1812-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1812-3-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016652-7.dat upx behavioral1/memory/1980-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1980-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1980-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1980-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1980-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1980-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1980-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-35-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1812-40-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1980-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0004000000004ed7-46.dat upx behavioral1/memory/1812-53-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1980-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1980-58-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-57-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1980-63-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-62-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1980-65-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1980-70-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1812-69-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe File opened for modification C:\Windows\java.exe 40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe File created C:\Windows\java.exe 40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.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 40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1812 wrote to memory of 1980 1812 40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe 30 PID 1812 wrote to memory of 1980 1812 40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe 30 PID 1812 wrote to memory of 1980 1812 40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe 30 PID 1812 wrote to memory of 1980 1812 40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe"C:\Users\Admin\AppData\Local\Temp\40b1a0aacb1b3e85f93fe82a6425c8044e1058c57537f4f92c6ee9ee91442ea0N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1812 -
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:1980
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD526fbc79936e987bc560adde2b5034c0f
SHA1a83c078e70e795c8fec5eb5041c9a1e542203db4
SHA256b473aab473872de294b08847ccccaea2ac5a5309e5d8039904399e809e00d39b
SHA5125c9335a0871a89504b6eb63d91b7d70533b0b516bfde8baa8a1e94c01dd5464d81766e8f744714222de82affe121fd57af636160543c7292318a28448298648c
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Filesize
352B
MD51412ae4c0b833ecc38b3d6b54db8533f
SHA1ef97ff3c67db83c2478899eaa04b49f135eda0e6
SHA256e860dfa57a14730f0b45372711f56684fb4d8061adbdb374353943e19a30135d
SHA5125608ca635681e5ac77b4011e3d725db17661617aee579770a643481b764275e9eab7deaf3931b611dd8861a1d109ba54c9e5f94a952d674214db1190a269828c
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2