Analysis
-
max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2024 05:34
Behavioral task
behavioral1
Sample
efd1cd401efa1c9dd25282081cd3b1d00db00c71bab0f55fc4a7741345dd3e0a.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
efd1cd401efa1c9dd25282081cd3b1d00db00c71bab0f55fc4a7741345dd3e0a.exe
Resource
win10v2004-20241007-en
General
-
Target
efd1cd401efa1c9dd25282081cd3b1d00db00c71bab0f55fc4a7741345dd3e0a.exe
-
Size
29KB
-
MD5
05ef23f1ffab614a49394f895abaa5da
-
SHA1
77f104c25cfd2a1ad32aa699d8f0eacdb769ea58
-
SHA256
efd1cd401efa1c9dd25282081cd3b1d00db00c71bab0f55fc4a7741345dd3e0a
-
SHA512
25e42e634cf60b5d78c073e8b2ef1d54e32676606c8a0f46a47e65a520634cfd481ea3e9d8d97c551fc18a98d9ba9513def39fe5db95bd5bc88e2dc4ef6ab502
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/U:AEwVs+0jNDY1qi/q8
Malware Config
Signatures
-
Detects MyDoom family 4 IoCs
resource yara_rule behavioral2/memory/3296-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3296-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3296-136-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3296-168-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 4192 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" efd1cd401efa1c9dd25282081cd3b1d00db00c71bab0f55fc4a7741345dd3e0a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3296-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0007000000023cc8-4.dat upx behavioral2/memory/4192-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3296-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4192-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4192-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4192-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4192-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4192-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4192-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4192-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4192-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4192-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4192-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4192-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3296-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4192-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-67.dat upx behavioral2/memory/3296-136-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4192-138-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3296-168-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4192-169-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4192-173-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe efd1cd401efa1c9dd25282081cd3b1d00db00c71bab0f55fc4a7741345dd3e0a.exe File opened for modification C:\Windows\java.exe efd1cd401efa1c9dd25282081cd3b1d00db00c71bab0f55fc4a7741345dd3e0a.exe File created C:\Windows\java.exe efd1cd401efa1c9dd25282081cd3b1d00db00c71bab0f55fc4a7741345dd3e0a.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 efd1cd401efa1c9dd25282081cd3b1d00db00c71bab0f55fc4a7741345dd3e0a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3296 wrote to memory of 4192 3296 efd1cd401efa1c9dd25282081cd3b1d00db00c71bab0f55fc4a7741345dd3e0a.exe 82 PID 3296 wrote to memory of 4192 3296 efd1cd401efa1c9dd25282081cd3b1d00db00c71bab0f55fc4a7741345dd3e0a.exe 82 PID 3296 wrote to memory of 4192 3296 efd1cd401efa1c9dd25282081cd3b1d00db00c71bab0f55fc4a7741345dd3e0a.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\efd1cd401efa1c9dd25282081cd3b1d00db00c71bab0f55fc4a7741345dd3e0a.exe"C:\Users\Admin\AppData\Local\Temp\efd1cd401efa1c9dd25282081cd3b1d00db00c71bab0f55fc4a7741345dd3e0a.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3296 -
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:4192
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
-
Filesize
29KB
MD573185a074e30da622837915523f9f1ab
SHA120784fe198503cee97b1bed9260ab2581ea90fb0
SHA256c6ec880dc373a6178f79cbdb514fe3573aacad24a5b10b8860fd40ccf4ab2f23
SHA51243100eb57ac632ea6700eca7b28a8da04936348ad6852ca36b4c4b24d16c6a5de66099b9952bd29219f73b5caa2722001d2fa685bd2c20b68a6f266d3b70c50a
-
Filesize
320B
MD5108096fbb9c7fd64d0a7420578614c48
SHA151c9e4ccdbe0abb705cb7efdc57414b524c426c4
SHA256a5d829cc95d8042288a0954390af3634f7e0c691ca2bbb9b46ba9fa7eba57cc9
SHA512606844c24096631253792f358c7cfcac08f5947fd1d1506b2c7c5fc0eefc990813ba79d247d32d92080bde0ddf0d5772a86eb7627ce3fb325afd478c4973d5c7
-
Filesize
320B
MD59240bfe28a9653050bf8a3e01cba9074
SHA195dadb85f45f43311b1008db3bee2de966409bfc
SHA25677a26042968b9dd92cc27967ec7c948044467ab3d1e93590ef0aa2432c94b783
SHA5122bfd1bb5d8a7b62b5823ff1bf587eb27c6af3a379d35d41b2fdacf9c08974ba00dd88ab806cd3170e6a5767baf3baeed3bc4833380a17a1a0c9df781ae814258
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2