Analysis
-
max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18-08-2024 21:26
Behavioral task
behavioral1
Sample
08f7af31a6ca42eded90eab08318e890N.exe
Resource
win7-20240704-en
General
-
Target
08f7af31a6ca42eded90eab08318e890N.exe
-
Size
248KB
-
MD5
08f7af31a6ca42eded90eab08318e890
-
SHA1
233a5e1e7df87a281ee98bfdca8f90f449e71eff
-
SHA256
0b617e1490512f32019e189fab1218f24ff7a80f966a7b74e2cb5c947bb62cec
-
SHA512
f04bb77f86d733005cad0310c7962d5093a06aa6072d3197331ee71489ba384b5cc9f8159d91951f736ec0f1aecdc537806c6b3684c3eacf450a6a7bb8b12f94
-
SSDEEP
1536:04d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:0IdseIO+EZEyFjEOFqTiQmGnOHjzU
Malware Config
Extracted
neconyd
http://ow5dirasuek.com/
http://mkkuei4kdsz.com/
http://lousta.net/
Signatures
-
Executes dropped EXE 2 IoCs
Processes:
omsecor.exeomsecor.exepid process 3232 omsecor.exe 2956 omsecor.exe -
Processes:
resource yara_rule behavioral2/memory/2548-0-0x0000000000400000-0x000000000043E000-memory.dmp upx C:\Users\Admin\AppData\Roaming\omsecor.exe upx behavioral2/memory/3232-5-0x0000000000400000-0x000000000043E000-memory.dmp upx behavioral2/memory/2548-6-0x0000000000400000-0x000000000043E000-memory.dmp upx behavioral2/memory/3232-7-0x0000000000400000-0x000000000043E000-memory.dmp upx C:\Windows\SysWOW64\omsecor.exe upx behavioral2/memory/2956-11-0x0000000000400000-0x000000000043E000-memory.dmp upx behavioral2/memory/3232-13-0x0000000000400000-0x000000000043E000-memory.dmp upx behavioral2/memory/2956-14-0x0000000000400000-0x000000000043E000-memory.dmp upx -
Drops file in System32 directory 2 IoCs
Processes:
omsecor.exeomsecor.exedescription ioc process File created C:\Windows\SysWOW64\omsecor.exe omsecor.exe File opened for modification C:\Windows\SysWOW64\merocz.xc6 omsecor.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
omsecor.exe08f7af31a6ca42eded90eab08318e890N.exeomsecor.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language omsecor.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 08f7af31a6ca42eded90eab08318e890N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language omsecor.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
08f7af31a6ca42eded90eab08318e890N.exeomsecor.exedescription pid process target process PID 2548 wrote to memory of 3232 2548 08f7af31a6ca42eded90eab08318e890N.exe omsecor.exe PID 2548 wrote to memory of 3232 2548 08f7af31a6ca42eded90eab08318e890N.exe omsecor.exe PID 2548 wrote to memory of 3232 2548 08f7af31a6ca42eded90eab08318e890N.exe omsecor.exe PID 3232 wrote to memory of 2956 3232 omsecor.exe omsecor.exe PID 3232 wrote to memory of 2956 3232 omsecor.exe omsecor.exe PID 3232 wrote to memory of 2956 3232 omsecor.exe omsecor.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\08f7af31a6ca42eded90eab08318e890N.exe"C:\Users\Admin\AppData\Local\Temp\08f7af31a6ca42eded90eab08318e890N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Users\Admin\AppData\Roaming\omsecor.exeC:\Users\Admin\AppData\Roaming\omsecor.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3232 -
C:\Windows\SysWOW64\omsecor.exeC:\Windows\System32\omsecor.exe3⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2956
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
248KB
MD52ce6b264eec58ad040f9e544298cf1d3
SHA1b245acfc3858242b4a0f27a0da969cb77d42b1ec
SHA25610f50d48c9656c6a13fec386f82fd69f2e316275d0119a2af381ade08bf34082
SHA512eb1b94fe24d834c323bebd9723e0e2884cb1d72ca8744d433b355f1eccce2144c5dd84897f99932ea6427dd14d08607c5cc4110aa7bf3f12b9806eca89b10a52
-
Filesize
248KB
MD5047f0b500e103a71b9aab944fa6fd20f
SHA156d33c0be1c047c9a14037b81b0dd26670e7b069
SHA2566f6ff46db24f8be694e323b0d887b1e733ef0457895e6b7ffeabbe07888d373d
SHA5128f22966126c93229a246b422289f397c1304a64d9f5bd96f34049f07dbba3c88e126c65688d1ac8b0324f9fe31dbc0b32d0e3e2a24bd2ce9bb88ee7de2581548