Analysis
-
max time kernel
120s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-12-2024 09:24
Behavioral task
behavioral1
Sample
37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe
Resource
win10v2004-20241007-en
General
-
Target
37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe
-
Size
29KB
-
MD5
cf2e27ca99b7dc85e1ba4b6488ea9a00
-
SHA1
1d6ffa78e978bac6a10f2cd2c1e7b0bafc35d941
-
SHA256
37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acff
-
SHA512
7e900c639bb33cef0488fbcc8ed5cc26f9e95883dc0d82a37ce16a49b03687d59dbee8f2351e9b0a9503543de29a3c4a1507b36ee269f83f64efe4ad442ad73f
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/r:AEwVs+0jNDY1qi/qT
Malware Config
Signatures
-
Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/2008-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2008-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2008-129-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2008-159-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2008-166-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 2688 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" 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2008-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000a000000023b92-4.dat upx behavioral2/memory/2688-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2008-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2688-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2688-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2688-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2688-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2688-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2688-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2688-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2008-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2688-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021f4b-53.dat upx behavioral2/memory/2688-130-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2008-129-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2008-159-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2688-160-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2688-162-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2008-166-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2688-167-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe File opened for modification C:\Windows\java.exe 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe File created C:\Windows\java.exe 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.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 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2008 wrote to memory of 2688 2008 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe 83 PID 2008 wrote to memory of 2688 2008 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe 83 PID 2008 wrote to memory of 2688 2008 37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe"C:\Users\Admin\AppData\Local\Temp\37a2efd2e1934491e6097604b9e3fae53b2e48316fea4d47af7b29e02bd2acffN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2008 -
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:2688
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
-
Filesize
320B
MD5918e4a485d5de3df85b41e3f537fabdd
SHA14befb16a98bc430772c409d6731ee3ee2c3e240c
SHA256595ff1d128d8e729d567bbce0bebedfe7b7c85827cd3d06e957bb3ad92a6ef2f
SHA512aaace46cf7bc875a2894515f34a21acaa773fa61259689c487640e68ce23719f239227d1563d56a46fc21d63e9d3adb972b43279eccf63ed9a7d97b2e44b863a
-
Filesize
29KB
MD5c5ae336e24cbf77d4ac14b67c6e62a46
SHA192d60b32384125f24e65d3541a04f6ddb6501b28
SHA256489e6387ab6fef293559cde96094251b8437ff186b39794e4d0cecc1352fe642
SHA5129058c10b7c74890f3898df00a844c1071d69698d30ffbe7c8fe4ad8b377d9b629b91fe5c77db7772e74f4c7096b3854aadeffde29600c4f287edd698b9b3cd84
-
Filesize
352B
MD5cd5e68b727e721799d1df7e9dac97ffb
SHA1a15806a8682e62203b95ea1e18dd8904eea89ca6
SHA256326c6481c634722b4cc0dae30a9101180b6c4b8b2ca82888060d942e9ca1b5c1
SHA512f0ef08cbfcb00f60affd8a26c41d205844aa267ddc8dc808fc042f5d7dcd82d63ac9fe769ee69eceee6a85b9be4e0669e25e30767a1e7c0ec3d0b90699fecd0f
-
Filesize
352B
MD5084fa8bdc40a7ea8a3e0497b3df46460
SHA10369e71d8f14a616ecf2990ab727dd413fb923fe
SHA2563e277fba69f3d3e3dac58439f08e7703ffed2181e06379c404e5108366c72606
SHA512229cda90bc7366e9537b5879fc83a765cb38f092966b4712ed6b786c3bf64dee8efc58c4ab312fea785b03a6b34344d3d80776d720407e8e7b61f4d81238cca0
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2