Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2024 21:43
Behavioral task
behavioral1
Sample
43b0cfbed23265206096bcdbda98ca86897a7bfca1703d5186e40ae71c3dafcd.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
43b0cfbed23265206096bcdbda98ca86897a7bfca1703d5186e40ae71c3dafcd.exe
Resource
win10v2004-20241007-en
General
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Target
43b0cfbed23265206096bcdbda98ca86897a7bfca1703d5186e40ae71c3dafcd.exe
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Size
29KB
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MD5
2e9cabada2dd1a808f79567192c77ef8
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SHA1
e567a17866815419414074920856cfe5cb4f0af5
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SHA256
43b0cfbed23265206096bcdbda98ca86897a7bfca1703d5186e40ae71c3dafcd
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SHA512
a2b5690dda492379d703b851e70bcf7ebb23fd872088a791d367abe9c90e45c08bc7bd6cb7acd60856c787289b35bf3f113ca039a0b34eecb7b6d12b05a76bd5
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/9m:AEwVs+0jNDY1qi/qI
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/4184-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4184-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4184-113-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4184-144-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4184-168-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4184-175-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2348 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" 43b0cfbed23265206096bcdbda98ca86897a7bfca1703d5186e40ae71c3dafcd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4184-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023ccc-4.dat upx behavioral2/memory/2348-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4184-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2348-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2348-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2348-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2348-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2348-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2348-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2348-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2348-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2348-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4184-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2348-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0009000000023cea-60.dat upx behavioral2/memory/4184-113-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2348-114-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4184-144-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2348-145-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4184-168-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2348-169-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2348-171-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4184-175-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2348-176-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 43b0cfbed23265206096bcdbda98ca86897a7bfca1703d5186e40ae71c3dafcd.exe File opened for modification C:\Windows\java.exe 43b0cfbed23265206096bcdbda98ca86897a7bfca1703d5186e40ae71c3dafcd.exe File created C:\Windows\java.exe 43b0cfbed23265206096bcdbda98ca86897a7bfca1703d5186e40ae71c3dafcd.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 43b0cfbed23265206096bcdbda98ca86897a7bfca1703d5186e40ae71c3dafcd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4184 wrote to memory of 2348 4184 43b0cfbed23265206096bcdbda98ca86897a7bfca1703d5186e40ae71c3dafcd.exe 83 PID 4184 wrote to memory of 2348 4184 43b0cfbed23265206096bcdbda98ca86897a7bfca1703d5186e40ae71c3dafcd.exe 83 PID 4184 wrote to memory of 2348 4184 43b0cfbed23265206096bcdbda98ca86897a7bfca1703d5186e40ae71c3dafcd.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\43b0cfbed23265206096bcdbda98ca86897a7bfca1703d5186e40ae71c3dafcd.exe"C:\Users\Admin\AppData\Local\Temp\43b0cfbed23265206096bcdbda98ca86897a7bfca1703d5186e40ae71c3dafcd.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4184 -
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:2348
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
312B
MD5c15952329e9cd008b41f979b6c76b9a2
SHA153c58cc742b5a0273df8d01ba2779a979c1ff967
SHA2565d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7
SHA5126aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296
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Filesize
29KB
MD5d51eeeb102579cabb141122506bd5001
SHA194756a3dcd6b4bd2cae63952f93a87a4a1f21975
SHA256c9f47e4c1958cfd2f108c0a835260d55d865f6b26251a09e22370f1778baf548
SHA512ba1803b9a9393b82dd566cf3e75e648497331cd6e3301b8c11b9cc17a1003c91185939bb5f04ac553bee9aed9d66ee6760264b024f47d6d4f631eb7b81fb5898
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Filesize
384B
MD5a05aa25a3f2eac07da4703007d074397
SHA1e0089dd16048986f7bfd71e03a05c126f18507bc
SHA2565df000fdeace1d1fbe8d782856502c1286a75095b48f5f06a838b875141a6e87
SHA5129fb26affeb0aa85f4533eb3ca2e1a5528dd553029cb071458d6a15893a8bcfb6edac8a75a88acef828e52fa47f4df4e40a5c5e0d0149fd6995d3a6cfb60b45a7
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Filesize
384B
MD558ea2eca57c70e7aed6f752c166f73c3
SHA1cc10b8558c7fafd83589a6bfab5e00c6d3116ec3
SHA256a4f5a2fd366b06d70c3c5f838542d9f2ee66cb3f8aafbcbdd00254df6aed926b
SHA51221ea16542ef431e3178837f700890141c39f6fe53d559e90860c994a36df574ab470310656f0cafa589a5c2a8bdf3b518fbb6c36ccabafa9b2fab1b614fb99f9
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Filesize
384B
MD5c1e2319c39dc691e3d2e19f3cc0a3687
SHA18698d1a9371c22111fb866aab30f1b928bb3c928
SHA256aa0a3b28941f00b9e63760473d2cced8fc6a9faa0056f6e1c58924d08cea5b7c
SHA512b3a1a3fdd74b39205cdc347ec6641c15267c54d0d96a47f8dbdd2846362d7752e4fce58233954a30c25b5a100aae9c1ae9036e246f2dade14c533e54f5bf5a32
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2