neconyd | 35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2024 20:47

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General

Target

35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe
Size

96KB
MD5

dc7b5a6970fe25bf8c35b5a2272eb185
SHA1

377eee11a6e2edddffad09045bc0e9c8bde897ed
SHA256

35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7
SHA512

5146149efc2fab9810b074781c1bc16a7e1ae549ba7a9dd7e10de7376ec556661615ddc1554f91e80e02635645c415b8c8dcaacf74885d3937dc4b9c23032507
SSDEEP

1536:FnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxr:FGs8cd8eXlYairZYqMddH13r

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
1388	omsecor.exe
3220	omsecor.exe
3940	omsecor.exe
4420	omsecor.exe
952	omsecor.exe
1960	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 2456 set thread context of 1084	2456	35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe	85
PID 1388 set thread context of 3220	1388	omsecor.exe	90
PID 3940 set thread context of 4420	3940	omsecor.exe	111
PID 952 set thread context of 1960	952	omsecor.exe	115

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1456	2456	WerFault.exe	84
1132	1388	WerFault.exe	87
1988	3940	WerFault.exe	110
4552	952	WerFault.exe	113

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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 1084	2456	35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe	85
PID 2456 wrote to memory of 1084	2456	35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe	85
PID 2456 wrote to memory of 1084	2456	35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe	85
PID 2456 wrote to memory of 1084	2456	35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe	85
PID 2456 wrote to memory of 1084	2456	35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe	85
PID 1084 wrote to memory of 1388	1084	35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe	87
PID 1084 wrote to memory of 1388	1084	35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe	87
PID 1084 wrote to memory of 1388	1084	35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe	87
PID 1388 wrote to memory of 3220	1388	omsecor.exe	90
PID 1388 wrote to memory of 3220	1388	omsecor.exe	90
PID 1388 wrote to memory of 3220	1388	omsecor.exe	90
PID 1388 wrote to memory of 3220	1388	omsecor.exe	90
PID 1388 wrote to memory of 3220	1388	omsecor.exe	90
PID 3220 wrote to memory of 3940	3220	omsecor.exe	110
PID 3220 wrote to memory of 3940	3220	omsecor.exe	110
PID 3220 wrote to memory of 3940	3220	omsecor.exe	110
PID 3940 wrote to memory of 4420	3940	omsecor.exe	111
PID 3940 wrote to memory of 4420	3940	omsecor.exe	111
PID 3940 wrote to memory of 4420	3940	omsecor.exe	111
PID 3940 wrote to memory of 4420	3940	omsecor.exe	111
PID 3940 wrote to memory of 4420	3940	omsecor.exe	111
PID 4420 wrote to memory of 952	4420	omsecor.exe	113
PID 4420 wrote to memory of 952	4420	omsecor.exe	113
PID 4420 wrote to memory of 952	4420	omsecor.exe	113
PID 952 wrote to memory of 1960	952	omsecor.exe	115
PID 952 wrote to memory of 1960	952	omsecor.exe	115
PID 952 wrote to memory of 1960	952	omsecor.exe	115
PID 952 wrote to memory of 1960	952	omsecor.exe	115
PID 952 wrote to memory of 1960	952	omsecor.exe	115

C:\Users\Admin\AppData\Local\Temp\35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe
"C:\Users\Admin\AppData\Local\Temp\35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Users\Admin\AppData\Local\Temp\35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe
  C:\Users\Admin\AppData\Local\Temp\35daebc18d2dfcdab4860b6a46e77543a6dbc15266cbce56f1eddd0d9cf92ba7.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1084
- - 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:1388
  - - 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:3220
    - - 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:3940
      - 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:4420
        
        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:952
        
        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:1960
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 268
        8⤵
        Program crash
        
        PID:4552
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 292
        6⤵
        Program crash
        
        PID:1988
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 300
      4⤵
      Program crash
      PID:1132
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 288
  2⤵
  - Program crash
  PID:1456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2456 -ip 2456
1⤵
PID:4880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1388 -ip 1388
1⤵
PID:2276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3940 -ip 3940
1⤵
PID:4404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 952 -ip 952
1⤵
PID:4392

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
976bf86f48fdf74ab1b7de7fab26f45b

SHA1
576cbd7acc82730e3d3b8cc031ec0d564d9eaf9f

SHA256
6a0e255ffc979bdbc14da3379a6a003c855636d044679bea1d07bb1f2c0b399c

SHA512
384ffeaf24849fb6368d547aa07b357f08064566d693991a1f7a8ec3df488b73e1e644eb71374b0fdda4a8b13f24ade56bd6c0a357e57455752c0e199d7647c4

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

Filesize
96KB

MD5
00e20f754c6e1a3028628f436532235e

SHA1
91bf9e3e79c0736f71101d08dbefd92becd8315b

SHA256
d0c57f5b914dad08da2679da1a3c4400acbb270c59cc931c7a59dc9bead8a873

SHA512
d5920531370d186b82f0eb9cefc82c0594cac4cd72c052a480edd4adf1e93fada5a02c13147fecfeb90d442c47bc3fd858b8139bc9216c2f4031a46bc118b5bf

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

Filesize
96KB

MD5
583dc48ee33399355e05024ad4001182

SHA1
a2373bfefc1864667ef5c6d45331199477b28181

SHA256
0bb7d57ab41cb7fe7326d7cde6f5efbd192f131cf3c26051506bb6e84ebf4ad1

SHA512
187872326205e5d290f3dfb403f1f436ee4bad2f5205d6956be5e3b72632d81b3de42dc207c9db343148c96e35ac986fabe62674416b68d86dba65f6bc57677a

Download Submit
memory/952-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/952-43-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1084-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1084-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1084-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1084-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1388-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1388-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1960-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1960-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1960-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2456-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2456-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3220-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3220-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3220-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3220-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3220-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3220-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3220-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3940-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3940-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4420-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4420-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4420-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download