neconyd | e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69c

Analysis

max time kernel
116s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2025, 17:30

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General

Target

e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.exe
Size

96KB
MD5

8e73e501734b63cb8cadc886e05bae70
SHA1

d605f1278198f3d02740ca868270a2291143aebb
SHA256

e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69c
SHA512

d1427314fe7609ec33a489cb5e6b13b1d1bba9e25b3b172b36de9e7db9b55c8c1db976e57789c094ec43ff0d0a8451173807a7b369954cf5fd6d4effd33bc61c
SSDEEP

1536:xnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:xGs8cd8eXlYairZYqMddH13b

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
1428	omsecor.exe
3496	omsecor.exe
1176	omsecor.exe
2732	omsecor.exe
4268	omsecor.exe
1004	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 2824 set thread context of 2216	2824	e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.exe	86
PID 1428 set thread context of 3496	1428	omsecor.exe	91
PID 1176 set thread context of 2732	1176	omsecor.exe	108
PID 4268 set thread context of 1004	4268	omsecor.exe	112

Program crash 4 IoCs

pid	pid_target	Process	procid_target
840	1428	WerFault.exe
3744	2824	WerFault.exe	84
3836	1176	WerFault.exe	107
1612	4268	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	e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.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	e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.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 2824 wrote to memory of 2216	2824	e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.exe	86
PID 2824 wrote to memory of 2216	2824	e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.exe	86
PID 2824 wrote to memory of 2216	2824	e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.exe	86
PID 2824 wrote to memory of 2216	2824	e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.exe	86
PID 2824 wrote to memory of 2216	2824	e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.exe	86
PID 2216 wrote to memory of 1428	2216	e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.exe	89
PID 2216 wrote to memory of 1428	2216	e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.exe	89
PID 2216 wrote to memory of 1428	2216	e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.exe	89
PID 1428 wrote to memory of 3496	1428	omsecor.exe	91
PID 1428 wrote to memory of 3496	1428	omsecor.exe	91
PID 1428 wrote to memory of 3496	1428	omsecor.exe	91
PID 1428 wrote to memory of 3496	1428	omsecor.exe	91
PID 1428 wrote to memory of 3496	1428	omsecor.exe	91
PID 3496 wrote to memory of 1176	3496	omsecor.exe	107
PID 3496 wrote to memory of 1176	3496	omsecor.exe	107
PID 3496 wrote to memory of 1176	3496	omsecor.exe	107
PID 1176 wrote to memory of 2732	1176	omsecor.exe	108
PID 1176 wrote to memory of 2732	1176	omsecor.exe	108
PID 1176 wrote to memory of 2732	1176	omsecor.exe	108
PID 1176 wrote to memory of 2732	1176	omsecor.exe	108
PID 1176 wrote to memory of 2732	1176	omsecor.exe	108
PID 2732 wrote to memory of 4268	2732	omsecor.exe	110
PID 2732 wrote to memory of 4268	2732	omsecor.exe	110
PID 2732 wrote to memory of 4268	2732	omsecor.exe	110
PID 4268 wrote to memory of 1004	4268	omsecor.exe	112
PID 4268 wrote to memory of 1004	4268	omsecor.exe	112
PID 4268 wrote to memory of 1004	4268	omsecor.exe	112
PID 4268 wrote to memory of 1004	4268	omsecor.exe	112
PID 4268 wrote to memory of 1004	4268	omsecor.exe	112

C:\Users\Admin\AppData\Local\Temp\e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.exe
"C:\Users\Admin\AppData\Local\Temp\e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Users\Admin\AppData\Local\Temp\e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.exe
  C:\Users\Admin\AppData\Local\Temp\e1a1b03a866b969f10718ad5a1541a7edde8ebeadfb26c89f3f81c3988e5e69cN.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2216
- - 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:1428
  - - 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:3496
    - - 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:1176
      - 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:2732
        
        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:4268
        
        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:1004
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 256
        8⤵
        Program crash
        
        PID:1612
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1176 -s 292
        6⤵
        Program crash
        
        PID:3836
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 288
      4⤵
      Program crash
      PID:840
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 228
  2⤵
  - Program crash
  PID:3744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2824 -ip 2824
1⤵
PID:624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1428 -ip 1428
1⤵
PID:4052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1176 -ip 1176
1⤵
PID:4520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4268 -ip 4268
1⤵
PID:4596

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
d8c0e1c5a971133e0cbe438ffcb30bee

SHA1
5b3639ad77f2b10c830fd59abef6fb2c115e0bfb

SHA256
b630987f421f1e58ec328d6318f95490cce964193368739782bf4707817e03c6

SHA512
08af07b11a9d8a078056015813c3827ad81ba154c891399c798c81b6ddf725a9bc5eea9786f9771f30d7b4fcaea40862b10947515dfba5c572a5abb129b10bc3

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

Filesize
96KB

MD5
7b4ad9bccb0cb5a247cabb3a0926b9f2

SHA1
180ba4afa3003b039294a9a505a2e4b5cf07c1d5

SHA256
50571071cfb22f09bc0fb0f9f3ee1b2ee096f9c51a7a16f5a23f1b3f0398ca22

SHA512
a824cda774f142b05aceab79e1d3e3dc55c41a34d06b32daeadbd357155f1b1a7ab67dcfc3cffe76ae818717ef8458aa6f6017879c32b850489fc9a0302d97c8

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

Filesize
96KB

MD5
16a74160b82429e6720252e60afc2152

SHA1
f694f2632a05ff2839ecf892b81dbdda5a9fd77c

SHA256
c88017abef4366976324ac535e86c25e671a1d20ea1426bc8d96ef5b97833b26

SHA512
c5516c1519edbe2649864939f29d2eee04c214cee604f4098ccc1b14077e22f9210477c5d3cf594c9f311c2ae25ccbfc842d623a01b6324dbe9e83762f2d82e5

Download Submit
memory/1004-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1004-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1004-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1176-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1176-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1428-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1428-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2216-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2216-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2216-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2216-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2732-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2732-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2732-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2824-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2824-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3496-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3496-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3496-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3496-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3496-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3496-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3496-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4268-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4268-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download