Analysis
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max time kernel
106s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-11-2024 09:42
Behavioral task
behavioral1
Sample
821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe
Resource
win10v2004-20241007-en
General
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Target
821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe
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Size
29KB
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MD5
570518d667e9f160713ac1e4b5af641f
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SHA1
292f2add029bad0ed116626f5af2362ea2799861
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SHA256
821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a
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SHA512
b6b12e451e9e0ec0c026b2bdbfa37cd1f3dbd64f7decd3f27c9c9b5b0bef38d5401d033e44bcd57b49b81289b8b16c97149ed103ca10c1f97d9eea10cc5ebe4f
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/GP:AEwVs+0jNDY1qi/qeP
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
Processes:
resource yara_rule behavioral2/memory/3464-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3464-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3464-156-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
Processes:
services.exepid process 5084 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exeservices.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Processes:
resource yara_rule behavioral2/memory/3464-0-0x0000000000500000-0x0000000000510200-memory.dmp upx C:\Windows\services.exe upx behavioral2/memory/5084-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3464-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5084-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5084-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5084-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5084-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5084-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5084-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5084-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5084-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5084-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5084-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3464-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5084-52-0x0000000000400000-0x0000000000408000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\tmp670F.tmp upx behavioral2/memory/5084-157-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3464-156-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
Processes:
821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exedescription ioc process File created C:\Windows\services.exe 821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe File opened for modification C:\Windows\java.exe 821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe File created C:\Windows\java.exe 821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.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:
821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exeservices.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exedescription pid process target process PID 3464 wrote to memory of 5084 3464 821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe services.exe PID 3464 wrote to memory of 5084 3464 821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe services.exe PID 3464 wrote to memory of 5084 3464 821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe services.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe"C:\Users\Admin\AppData\Local\Temp\821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3464 -
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:5084
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
153KB
MD5576da89123079063b7484fbf8b37101f
SHA150bb9c52a1d8300242d1985065392c5a3ddaba1d
SHA25600c7fc85a9ce99df1d5a65b13b4e748fa7d6829b4ffdf32362f828626b624759
SHA5129143d084b20e4342657005902c224c0dfe2be71dc3e6ce42fbabd084b2dd258206becd4089649ab5f556bc50e03122ee35ffd1da99579b3b12c4e206389bede3
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD52b600cef95b681d23153867902a2f4b8
SHA1f1ce4fb710289b42ca7a4af9173d9ea8cd1de883
SHA2567b6b48685f115e7c1c74fcd5a1cec13bca280ffc33d2c9dd181b2139be6eef43
SHA5122c9b766254015837e6f5d30199d9fc6a63a09f39f95db369ace77d4c37427fd0125c50411944d8945b9ac51c92dc96f987e0c3c32893741d2d2725d6181abd7c
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Filesize
320B
MD5c33884ba8da50d371f333637a7e978f2
SHA170cd3f7f187d01a4c403dccf292f580497cc1752
SHA256c92e98cdee205b99248de94539ddbf0d41b69919f50f8080cde0315d38d2e1f1
SHA512b60bba7b602ce99bd0c53d8fc17c5c1b39170a54561203129611ab024360b4534952dea809737d8f1fb28937a946f719c0bfd64ebda50d48de9724d050726563
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2