neconyd | cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 08:34

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General

Target

cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe
Size

96KB
MD5

855d8b68a2b217f91ad08aa09042fb66
SHA1

41a47e4d760a72d82cd8796b905d6a51a19473f4
SHA256

cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc
SHA512

769515bab20beb3b98b11bc054caad6094570ee5607ac80e648d713f9a2a15b59830f298e84abf2ee4cfd605cfcc21665af4137eabb8e8945bbfb159b7c89452
SSDEEP

1536:KnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:KGs8cd8eXlYairZYqMddH13b

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
1332	omsecor.exe
2516	omsecor.exe
5100	omsecor.exe
2576	omsecor.exe
676	omsecor.exe
4420	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 1404 set thread context of 3776	1404	cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe	83
PID 1332 set thread context of 2516	1332	omsecor.exe	88
PID 5100 set thread context of 2576	5100	omsecor.exe	108
PID 676 set thread context of 4420	676	omsecor.exe	111

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2892	1404	WerFault.exe	82
1388	1332	WerFault.exe	85
4324	5100	WerFault.exe	107
3304	676	WerFault.exe	110

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	cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 3776	1404	cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe	83
PID 1404 wrote to memory of 3776	1404	cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe	83
PID 1404 wrote to memory of 3776	1404	cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe	83
PID 1404 wrote to memory of 3776	1404	cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe	83
PID 1404 wrote to memory of 3776	1404	cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe	83
PID 3776 wrote to memory of 1332	3776	cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe	85
PID 3776 wrote to memory of 1332	3776	cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe	85
PID 3776 wrote to memory of 1332	3776	cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe	85
PID 1332 wrote to memory of 2516	1332	omsecor.exe	88
PID 1332 wrote to memory of 2516	1332	omsecor.exe	88
PID 1332 wrote to memory of 2516	1332	omsecor.exe	88
PID 1332 wrote to memory of 2516	1332	omsecor.exe	88
PID 1332 wrote to memory of 2516	1332	omsecor.exe	88
PID 2516 wrote to memory of 5100	2516	omsecor.exe	107
PID 2516 wrote to memory of 5100	2516	omsecor.exe	107
PID 2516 wrote to memory of 5100	2516	omsecor.exe	107
PID 5100 wrote to memory of 2576	5100	omsecor.exe	108
PID 5100 wrote to memory of 2576	5100	omsecor.exe	108
PID 5100 wrote to memory of 2576	5100	omsecor.exe	108
PID 5100 wrote to memory of 2576	5100	omsecor.exe	108
PID 5100 wrote to memory of 2576	5100	omsecor.exe	108
PID 2576 wrote to memory of 676	2576	omsecor.exe	110
PID 2576 wrote to memory of 676	2576	omsecor.exe	110
PID 2576 wrote to memory of 676	2576	omsecor.exe	110
PID 676 wrote to memory of 4420	676	omsecor.exe	111
PID 676 wrote to memory of 4420	676	omsecor.exe	111
PID 676 wrote to memory of 4420	676	omsecor.exe	111
PID 676 wrote to memory of 4420	676	omsecor.exe	111
PID 676 wrote to memory of 4420	676	omsecor.exe	111

C:\Users\Admin\AppData\Local\Temp\cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe
"C:\Users\Admin\AppData\Local\Temp\cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Users\Admin\AppData\Local\Temp\cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe
  C:\Users\Admin\AppData\Local\Temp\cdb901c7462da55aa2bde2ecc1b2f416c9b99a8702957e52d197fd9fcd22f3dc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3776
- - C:\Users\Admin\AppData\Roaming\omsecor.exe
    C:\Users\Admin\AppData\Roaming\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1332
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2516
    - - 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:5100
      - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\SysWOW64\omsecor.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2576
        
        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:676
        
        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:4420
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 676 -s 268
        8⤵
        Program crash
        
        PID:3304
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5100 -s 292
        6⤵
        Program crash
        
        PID:4324
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1332 -s 288
      4⤵
      Program crash
      PID:1388
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 300
  2⤵
  - Program crash
  PID:2892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1404 -ip 1404
1⤵
PID:2000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1332 -ip 1332
1⤵
PID:232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 5100 -ip 5100
1⤵
PID:2008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 676 -ip 676
1⤵
PID:3560

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
ed997794286740c15e750d9c55b9186e

SHA1
714d218f371f506a9dd7aedc797afd6ba0c4f058

SHA256
ea925efaf20bffce3d9f24f67d7c3ac968930f817987db6ab5839f1799dc9965

SHA512
ac85339e11613dc75f36838f671629e322417f7e00c3edd8604e0614e010e9acddcf15425c3dc44ac2b5c0e88b2620ed0ecc397c553f0126db7a6df7c0be94a2

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

Filesize
96KB

MD5
ce9032a4205c7b4840ff76b57d05246f

SHA1
5c315a171255093e3522f6f7ade94f32353cc6a9

SHA256
d9e10a41eeffb526ad276a1a65e4f1f5deffda51ced91757a348f4f936ae4206

SHA512
b9f1f5b41ede2c93d823bfa1795a91c762f9069c817fe1ca6a85765b839f0a7d567a8d1a68ca6783059d197d40b2fd5c46048066bcc7499af69a643aac8e33ce

Download Submit
C:\Windows\SysWOW64\omsecor.exe

Filesize
96KB

MD5
93dae3648185c95b56a33afed315d820

SHA1
239294f6f43fc840c0f1a79f13aa8ebddc8a538c

SHA256
2827ae22249ec7be8fe2cac4f380ef51806c4f914835a8a07411682612cb5cf7

SHA512
ecb03c775147cd01db3a47334da033b7c74ffb90943776193bc6f3396fc4df281ecfb738fad7fe72ccdf60abc4b78f379dcb806a7adaaa630ce84fc92f13a2fe

Download Submit
memory/676-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/676-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1332-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1404-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1404-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2516-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2516-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2516-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2516-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2516-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2516-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2516-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3776-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3776-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3776-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3776-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4420-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4420-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4420-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4420-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5100-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/5100-31-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download