neconyd | b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 07:04

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General

Target

b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
Size

96KB
MD5

606343d6951c53f2035ed0d62ba8c618
SHA1

cd2dd8d2ad3fa6dbf282b61046b4209ee70b8d5f
SHA256

b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99
SHA512

6a06c41361d0c21dc652a0821855c1c45c210078f68ff306e403b56d133b2ff7565c67de78c4f70195adefe26fdc9cbf5df831783766e8b513b5ea33b7cf3478
SSDEEP

1536:3nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:3Gs8cd8eXlYairZYqMddH13b

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
2720	omsecor.exe
2576	omsecor.exe
2900	omsecor.exe
1736	omsecor.exe
2316	omsecor.exe
2244	omsecor.exe

Loads dropped DLL 7 IoCs

pid	Process
2208	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
2208	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
2720	omsecor.exe
2576	omsecor.exe
2576	omsecor.exe
1736	omsecor.exe
1736	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 2172 set thread context of 2208	2172	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	31
PID 2720 set thread context of 2576	2720	omsecor.exe	33
PID 2900 set thread context of 1736	2900	omsecor.exe	36
PID 2316 set thread context of 2244	2316	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	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	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2208	2172	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	31
PID 2172 wrote to memory of 2208	2172	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	31
PID 2172 wrote to memory of 2208	2172	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	31
PID 2172 wrote to memory of 2208	2172	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	31
PID 2172 wrote to memory of 2208	2172	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	31
PID 2172 wrote to memory of 2208	2172	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	31
PID 2208 wrote to memory of 2720	2208	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	32
PID 2208 wrote to memory of 2720	2208	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	32
PID 2208 wrote to memory of 2720	2208	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	32
PID 2208 wrote to memory of 2720	2208	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	32
PID 2720 wrote to memory of 2576	2720	omsecor.exe	33
PID 2720 wrote to memory of 2576	2720	omsecor.exe	33
PID 2720 wrote to memory of 2576	2720	omsecor.exe	33
PID 2720 wrote to memory of 2576	2720	omsecor.exe	33
PID 2720 wrote to memory of 2576	2720	omsecor.exe	33
PID 2720 wrote to memory of 2576	2720	omsecor.exe	33
PID 2576 wrote to memory of 2900	2576	omsecor.exe	35
PID 2576 wrote to memory of 2900	2576	omsecor.exe	35
PID 2576 wrote to memory of 2900	2576	omsecor.exe	35
PID 2576 wrote to memory of 2900	2576	omsecor.exe	35
PID 2900 wrote to memory of 1736	2900	omsecor.exe	36
PID 2900 wrote to memory of 1736	2900	omsecor.exe	36
PID 2900 wrote to memory of 1736	2900	omsecor.exe	36
PID 2900 wrote to memory of 1736	2900	omsecor.exe	36
PID 2900 wrote to memory of 1736	2900	omsecor.exe	36
PID 2900 wrote to memory of 1736	2900	omsecor.exe	36
PID 1736 wrote to memory of 2316	1736	omsecor.exe	37
PID 1736 wrote to memory of 2316	1736	omsecor.exe	37
PID 1736 wrote to memory of 2316	1736	omsecor.exe	37
PID 1736 wrote to memory of 2316	1736	omsecor.exe	37
PID 2316 wrote to memory of 2244	2316	omsecor.exe	38
PID 2316 wrote to memory of 2244	2316	omsecor.exe	38
PID 2316 wrote to memory of 2244	2316	omsecor.exe	38
PID 2316 wrote to memory of 2244	2316	omsecor.exe	38
PID 2316 wrote to memory of 2244	2316	omsecor.exe	38
PID 2316 wrote to memory of 2244	2316	omsecor.exe	38

C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
"C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
  C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2208
- - 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:2720
  - - 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:2576
    - - 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:2900
      - 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:1736
        
        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:2316
        
        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:2244

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
a85bc86bd6d5f69db9e933f354b253b2

SHA1
191307679bc42b30a4577dd2a246dcc723d082e7

SHA256
bf0cf51c27fe85c69ec6f600e62303690cf5495be0aecc963ca872660323bbe5

SHA512
5ce37e157f92c26c0967d04f9407fdd9de253eebcedfddc8246e2857a0ba4c7d80022177149a022d96cfea3ec9fced78d01656541f20fadadca4268d0fc61241

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

Filesize
96KB

MD5
2f21ddcb3b74b8fef02ab6bcd12a70a7

SHA1
80e3e6070bd26b46cd745193a67b7bf3f4f5925e

SHA256
775d1989558c854244fe8943b6d77122fb51126a2be888a0f920365ad2e6f4d5

SHA512
34b806b6fd70b6e4f31a46757c2bbe29528c22f3197217d195cf3ed37b532ad53c3a08269786c3d8deb9bb9a98b0a3975984db1e35cb0296a91f00e7a29f10e1

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
96KB

MD5
26682ccde792944963b6139dd7d1067a

SHA1
dd64d3ff07d6cbd4cb22648a3003dfa336a569b2

SHA256
ac02555bbb480dc55ade80d8d9cbddf47b9b9ba1d46177c4c2c19ba2854da68a

SHA512
aab799bc4354aeb16a22171ab5aae25e8fa3464962dc5b121e27110feec447b044b66829fc06ed9a028523f3b056070d6408bb7afc3edbfe34f2c5f70c88b1da

Download Submit
memory/2172-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2172-8-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/2172-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2172-37-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/2208-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2208-14-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/2208-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2208-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2208-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2208-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2244-95-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2244-92-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2316-90-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2316-82-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2576-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-45-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-51-0x0000000000290000-0x00000000002B3000-memory.dmp

Filesize
140KB

Download
memory/2576-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2720-38-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/2720-33-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2720-35-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/2720-23-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2900-69-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download