neconyd | 813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 07:38

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General

Target

813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe
Size

96KB
MD5

7fcd7e5707d004b75fb0760d1e26bb82
SHA1

0f7a4d3519bb949d4ce79640c88104acd4cabd10
SHA256

813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c
SHA512

4a678ace5c8cc26ca5b01cfa22be29de5c46479ce2c3b678f303a18ff0547233b0a7d12ac4f4e56cb4770c202d09a12a5beb47150c73164c5b6cda540e2f512a
SSDEEP

1536:unAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxj:uGs8cd8eXlYairZYqMddH13j

Score

10^/10

neconyd discovery trojan

Malware Config

Extracted

Family

neconyd

http://ow5dirasuek.com/

http://mkkuei4kdsz.com/

http://lousta.net/

Signatures

Neconyd
Neconyd is a trojan written in C++.
trojan neconyd
Neconyd family
neconyd

Executes dropped EXE 6 IoCs

pid	Process
2708	omsecor.exe
2868	omsecor.exe
2816	omsecor.exe
1940	omsecor.exe
2956	omsecor.exe
2248	omsecor.exe

Loads dropped DLL 7 IoCs

pid	Process
2784	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe
2784	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe
2708	omsecor.exe
2868	omsecor.exe
2868	omsecor.exe
1940	omsecor.exe
1940	omsecor.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 2784	2936	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	30
PID 2708 set thread context of 2868	2708	omsecor.exe	32
PID 2816 set thread context of 1940	2816	omsecor.exe	36
PID 2956 set thread context of 2248	2956	omsecor.exe	38

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2784	2936	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	30
PID 2936 wrote to memory of 2784	2936	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	30
PID 2936 wrote to memory of 2784	2936	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	30
PID 2936 wrote to memory of 2784	2936	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	30
PID 2936 wrote to memory of 2784	2936	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	30
PID 2936 wrote to memory of 2784	2936	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	30
PID 2784 wrote to memory of 2708	2784	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	31
PID 2784 wrote to memory of 2708	2784	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	31
PID 2784 wrote to memory of 2708	2784	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	31
PID 2784 wrote to memory of 2708	2784	813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe	31
PID 2708 wrote to memory of 2868	2708	omsecor.exe	32
PID 2708 wrote to memory of 2868	2708	omsecor.exe	32
PID 2708 wrote to memory of 2868	2708	omsecor.exe	32
PID 2708 wrote to memory of 2868	2708	omsecor.exe	32
PID 2708 wrote to memory of 2868	2708	omsecor.exe	32
PID 2708 wrote to memory of 2868	2708	omsecor.exe	32
PID 2868 wrote to memory of 2816	2868	omsecor.exe	35
PID 2868 wrote to memory of 2816	2868	omsecor.exe	35
PID 2868 wrote to memory of 2816	2868	omsecor.exe	35
PID 2868 wrote to memory of 2816	2868	omsecor.exe	35
PID 2816 wrote to memory of 1940	2816	omsecor.exe	36
PID 2816 wrote to memory of 1940	2816	omsecor.exe	36
PID 2816 wrote to memory of 1940	2816	omsecor.exe	36
PID 2816 wrote to memory of 1940	2816	omsecor.exe	36
PID 2816 wrote to memory of 1940	2816	omsecor.exe	36
PID 2816 wrote to memory of 1940	2816	omsecor.exe	36
PID 1940 wrote to memory of 2956	1940	omsecor.exe	37
PID 1940 wrote to memory of 2956	1940	omsecor.exe	37
PID 1940 wrote to memory of 2956	1940	omsecor.exe	37
PID 1940 wrote to memory of 2956	1940	omsecor.exe	37
PID 2956 wrote to memory of 2248	2956	omsecor.exe	38
PID 2956 wrote to memory of 2248	2956	omsecor.exe	38
PID 2956 wrote to memory of 2248	2956	omsecor.exe	38
PID 2956 wrote to memory of 2248	2956	omsecor.exe	38
PID 2956 wrote to memory of 2248	2956	omsecor.exe	38
PID 2956 wrote to memory of 2248	2956	omsecor.exe	38

C:\Users\Admin\AppData\Local\Temp\813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe
"C:\Users\Admin\AppData\Local\Temp\813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Users\Admin\AppData\Local\Temp\813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe
  C:\Users\Admin\AppData\Local\Temp\813bd52d23f1d483921ee2d2c667ebab1c7a8df0f17bfa78534b80699752353c.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Users\Admin\AppData\Roaming\omsecor.exe
    C:\Users\Admin\AppData\Roaming\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2708
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2868
    - - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\System32\omsecor.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2816
      - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\SysWOW64\omsecor.exe
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1940
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        7⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2956
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        8⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\omsecor.exe

Filesize
96KB

MD5
e58259de64cd932f61659feee22e2a79

SHA1
1bb6d1cda2dbdfcc39e9593070c31e6035e05596

SHA256
e9547a90f06064f9f86fc4cce1f34adcb73aed4a50797918cc910147008fd452

SHA512
1642d097864db315a1268aece1d635eb57838dec5564914cdfe71475de575cc03ac745e23b527140574dd0898254958883ae5a36462c3180ac4e36aa0f982e76

Download Submit
\Users\Admin\AppData\Roaming\omsecor.exe

Filesize
96KB

MD5
da488decbb181a77a787658592fc0b73

SHA1
cddf220bb794c18782bb2ab403ed02b9a7f26ebf

SHA256
912b29fe2f82eb2febbabe7e70bc3411219fe4399f32a0989793543aad033414

SHA512
0c2b969b7f61fd9946aaeec9c68e436c03fbc175bdb4cb0ac8ed1492364410b747f0080bef9ef970a56028f1d8e2aed04f8d26330fb06b8414d7328b26b3872e

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
96KB

MD5
6e25c83cee0d2745dc3a0925f02cbb28

SHA1
7af256043404890efcf2e8cfaf47f44dbd29efb7

SHA256
a9efda528c9149541df44e59d532b2e4c993e022a4ee642a46ba48cb6343f268

SHA512
b8d00278a0e423da585cb0ee25bfc4e642550a5881ccb17fd750bd2b5bf0154269d621fd7759885bcfa498f12171c381f00619e32aa1f99f5e790d318c5e89b0

Download Submit
memory/2248-90-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2708-24-0x00000000003C0000-0x00000000003E3000-memory.dmp

Filesize
140KB

Download
memory/2708-21-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2708-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2784-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2784-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2784-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2784-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2816-67-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2816-57-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2868-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2868-44-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2868-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2868-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2868-54-0x00000000003C0000-0x00000000003E3000-memory.dmp

Filesize
140KB

Download
memory/2868-53-0x00000000003C0000-0x00000000003E3000-memory.dmp

Filesize
140KB

Download
memory/2868-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2936-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2936-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2956-80-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2956-88-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download