Analysis
-
max time kernel
120s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2024 17:41
Behavioral task
behavioral1
Sample
31ec322defc1253df41b22775b922ecfb3b044812e56a290c6998da1a9eddcda.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
31ec322defc1253df41b22775b922ecfb3b044812e56a290c6998da1a9eddcda.exe
Resource
win10v2004-20241007-en
General
-
Target
31ec322defc1253df41b22775b922ecfb3b044812e56a290c6998da1a9eddcda.exe
-
Size
29KB
-
MD5
92420c86b34f9bd0e37b2b43b1ea1c8f
-
SHA1
b6f168a9a364ab5416c07041782ca55fcbd61ea7
-
SHA256
31ec322defc1253df41b22775b922ecfb3b044812e56a290c6998da1a9eddcda
-
SHA512
5658dc8eb9406efa28a992ec00f60f84235d373de97efe6ee9787a78c6701f8af074a64b6ab97a8b27bf831fd7844a48c81f616e193b36f55fabba7be5f59776
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/TuI:AEwVs+0jNDY1qi/q7
Malware Config
Signatures
-
Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/3748-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3748-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3748-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3748-133-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3748-156-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3748-163-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3748-192-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 1208 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" 31ec322defc1253df41b22775b922ecfb3b044812e56a290c6998da1a9eddcda.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3748-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b86-4.dat upx behavioral2/memory/1208-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3748-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1208-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1208-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1208-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1208-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1208-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3748-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1208-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3748-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1208-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021f51-48.dat upx behavioral2/memory/3748-133-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1208-134-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3748-156-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1208-157-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1208-162-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3748-163-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1208-164-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3748-192-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1208-193-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 31ec322defc1253df41b22775b922ecfb3b044812e56a290c6998da1a9eddcda.exe File created C:\Windows\services.exe 31ec322defc1253df41b22775b922ecfb3b044812e56a290c6998da1a9eddcda.exe File opened for modification C:\Windows\java.exe 31ec322defc1253df41b22775b922ecfb3b044812e56a290c6998da1a9eddcda.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 31ec322defc1253df41b22775b922ecfb3b044812e56a290c6998da1a9eddcda.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3748 wrote to memory of 1208 3748 31ec322defc1253df41b22775b922ecfb3b044812e56a290c6998da1a9eddcda.exe 82 PID 3748 wrote to memory of 1208 3748 31ec322defc1253df41b22775b922ecfb3b044812e56a290c6998da1a9eddcda.exe 82 PID 3748 wrote to memory of 1208 3748 31ec322defc1253df41b22775b922ecfb3b044812e56a290c6998da1a9eddcda.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\31ec322defc1253df41b22775b922ecfb3b044812e56a290c6998da1a9eddcda.exe"C:\Users\Admin\AppData\Local\Temp\31ec322defc1253df41b22775b922ecfb3b044812e56a290c6998da1a9eddcda.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3748 -
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:1208
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
-
Filesize
312B
MD5c15952329e9cd008b41f979b6c76b9a2
SHA153c58cc742b5a0273df8d01ba2779a979c1ff967
SHA2565d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7
SHA5126aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296
-
Filesize
29KB
MD5553ea8425c9a8bc5ad158a0ed2281ed3
SHA1f7ed4f561432d632833b65ac4180ab26a505cb23
SHA256b26f38899a130c3a20cf42b44e2d7a6431affdffd135c5073b52c54c207bee06
SHA512a83e2faee9f8e2d02b0d195b45ce1926b317a32749a420f85927346de58bec32427ab4ec83f53231c0b1fa151276b4a2884c8fea80e21e7c7c19049f7a3b61f0
-
Filesize
352B
MD531e399e217a19867d8589b9348823336
SHA1b58f69e0e816039c95862e7a15c85626dcde4e60
SHA256d1f4cae73495f0527fed061629b9a174383e92d566ecac39a77f14ade4345769
SHA512afddabd2da4a1c920a63e529d6569302cd34041fafabaafdab15a66a1da9e2d2cf482d01a24442df0a4df4088ca52894f15f3c31057fc60c87b1f04e6a49e40b
-
Filesize
352B
MD50660aeee6c78782dcd7658fff091eac9
SHA13a03aba754b96caaf6a134546f150b7973a214dc
SHA25685c3a165bc1c5e196a60d354f81712ba85e902d060d114e821ecb64ed9469de9
SHA512b0ffe2820ed57cafa886a0f30705db4f6d89393ca033218bd23b53951b8dfe920d4e0d87a1ddde94e5e25509d771251ae5324741ad0926714686223111ac1dcc
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2