Analysis
-
max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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
-
Target
821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe
-
Size
29KB
-
MD5
570518d667e9f160713ac1e4b5af641f
-
SHA1
292f2add029bad0ed116626f5af2362ea2799861
-
SHA256
821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a
-
SHA512
b6b12e451e9e0ec0c026b2bdbfa37cd1f3dbd64f7decd3f27c9c9b5b0bef38d5401d033e44bcd57b49b81289b8b16c97149ed103ca10c1f97d9eea10cc5ebe4f
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/GP:AEwVs+0jNDY1qi/qeP
Malware Config
Signatures
-
Detects MyDoom family 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2820-16-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2820-47-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2820-52-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2820-71-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2820-75-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
Processes:
services.exepid process 2884 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 behavioral1/memory/2820-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2820-4-0x00000000001B0000-0x00000000001B8000-memory.dmp upx C:\Windows\services.exe upx behavioral1/memory/2820-9-0x00000000001B0000-0x00000000001B8000-memory.dmp upx behavioral1/memory/2820-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2884-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2884-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2884-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2884-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2884-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2884-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2884-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2884-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2820-47-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2884-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2820-52-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2884-53-0x0000000000400000-0x0000000000408000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\tmpCA13.tmp upx behavioral1/memory/2820-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2884-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2820-75-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2884-76-0x0000000000400000-0x0000000000408000-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 4 IoCs
Processes:
821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exedescription pid process target process PID 2820 wrote to memory of 2884 2820 821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe services.exe PID 2820 wrote to memory of 2884 2820 821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe services.exe PID 2820 wrote to memory of 2884 2820 821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe services.exe PID 2820 wrote to memory of 2884 2820 821b6417e2d72c1552395f678be41efa6853a689c840985704a754469838e85a.exe services.exe
Processes
-
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:2820 -
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:2884
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
29KB
MD54ecf00bcc18f0f3d2265b7ca0250d3ee
SHA1817891b41e495b6cbb7bdc995381ea6fde8c8d50
SHA256ba867eb24ca749cda54d9153e052d29db9968b6fd23c833827bb5b6adbd603cc
SHA512e8db03d89c5ccf45d3e9fae15eab8a0d5566cb97c6354548b9bd1bbf536f484798cb599af1449d4e5528ac8cd9c35d85a481ebc6dbd6380b0f00352dd4551a2a
-
MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
-
Filesize
320B
MD51acc3f0569301a303e9e289a38f77070
SHA170dfcfbc124e10e53e16b17ee98ae89a0d04aaa2
SHA2564d11ef32670038a4ded8f769ba27c43859dcb3a13bba994748e2dc617c8bb774
SHA5120720c6a48aeb48d8ec6a53a8ac21b3818cb102fae1772c1f97ddbde8ef8b130177a49506b9335e757bc9a99f63ee57dc089291bf25a64fd9da6f5385fe557637
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2