neconyd | a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-01-2025 05:42

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General

Target

a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe
Size

96KB
MD5

5f183655fa1a1055d33053759abd8b05
SHA1

4757739dd4a1c5e24981a7742807271ecc23b7a1
SHA256

a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2
SHA512

5b1d8038890af7fc2500dd5a3ac68b10d09c5f7df687d5458c484a18592abef1ec4961106b3f5098e75359fed25f8b21d5047213cb17d75cf73d6f56ecb1a749
SSDEEP

1536:HnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:HGs8cd8eXlYairZYqMddH13b

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
4488	omsecor.exe
1388	omsecor.exe
1272	omsecor.exe
1392	omsecor.exe
1616	omsecor.exe
448	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 3348 set thread context of 2232	3348	a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe	82
PID 4488 set thread context of 1388	4488	omsecor.exe	86
PID 1272 set thread context of 1392	1272	omsecor.exe	100
PID 1616 set thread context of 448	1616	omsecor.exe	103

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4836	3348	WerFault.exe	81
4480	4488	WerFault.exe	84
4416	1272	WerFault.exe	99
2832	1616	WerFault.exe	102

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	a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.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 3348 wrote to memory of 2232	3348	a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe	82
PID 3348 wrote to memory of 2232	3348	a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe	82
PID 3348 wrote to memory of 2232	3348	a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe	82
PID 3348 wrote to memory of 2232	3348	a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe	82
PID 3348 wrote to memory of 2232	3348	a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe	82
PID 2232 wrote to memory of 4488	2232	a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe	84
PID 2232 wrote to memory of 4488	2232	a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe	84
PID 2232 wrote to memory of 4488	2232	a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe	84
PID 4488 wrote to memory of 1388	4488	omsecor.exe	86
PID 4488 wrote to memory of 1388	4488	omsecor.exe	86
PID 4488 wrote to memory of 1388	4488	omsecor.exe	86
PID 4488 wrote to memory of 1388	4488	omsecor.exe	86
PID 4488 wrote to memory of 1388	4488	omsecor.exe	86
PID 1388 wrote to memory of 1272	1388	omsecor.exe	99
PID 1388 wrote to memory of 1272	1388	omsecor.exe	99
PID 1388 wrote to memory of 1272	1388	omsecor.exe	99
PID 1272 wrote to memory of 1392	1272	omsecor.exe	100
PID 1272 wrote to memory of 1392	1272	omsecor.exe	100
PID 1272 wrote to memory of 1392	1272	omsecor.exe	100
PID 1272 wrote to memory of 1392	1272	omsecor.exe	100
PID 1272 wrote to memory of 1392	1272	omsecor.exe	100
PID 1392 wrote to memory of 1616	1392	omsecor.exe	102
PID 1392 wrote to memory of 1616	1392	omsecor.exe	102
PID 1392 wrote to memory of 1616	1392	omsecor.exe	102
PID 1616 wrote to memory of 448	1616	omsecor.exe	103
PID 1616 wrote to memory of 448	1616	omsecor.exe	103
PID 1616 wrote to memory of 448	1616	omsecor.exe	103
PID 1616 wrote to memory of 448	1616	omsecor.exe	103
PID 1616 wrote to memory of 448	1616	omsecor.exe	103

C:\Users\Admin\AppData\Local\Temp\a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe
"C:\Users\Admin\AppData\Local\Temp\a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3348
- C:\Users\Admin\AppData\Local\Temp\a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe
  C:\Users\Admin\AppData\Local\Temp\a3853861e93889de282be1696e5c1f9b899c5ce93bb35cdd7c78529592c020e2.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2232
- - 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:4488
  - - 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:1388
    - - 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:1272
      - 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:1392
        
        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:1616
        
        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:448
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 256
        8⤵
        Program crash
        
        PID:2832
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 292
        6⤵
        Program crash
        
        PID:4416
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 288
      4⤵
      Program crash
      PID:4480
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3348 -s 300
  2⤵
  - Program crash
  PID:4836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3348 -ip 3348
1⤵
PID:2968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4488 -ip 4488
1⤵
PID:2420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1272 -ip 1272
1⤵
PID:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1616 -ip 1616
1⤵
PID:3100

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
9cd3e66caaebb6f7793904750adc7087

SHA1
39a9b43da725213994fe59bb824cbe573f33a54a

SHA256
2284f64449bdd0748e51ed5b7fc736c9b3dddedeaa45cbb058d934fa8f6a6f12

SHA512
fefd853a56bcc7e5705f4dbc0fa77452df0add10f5e3a27df3bb32ab6c15a07f5917d7640c2e2bd16470082c7ac3b3b2a8a7993de8ea47c1ef44a0a90e52990c

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

Filesize
96KB

MD5
466adf1141531b43662be0dd6ea9682c

SHA1
785c9981010a1ccf5de5d64f6c0da40871f619cb

SHA256
be2fb5874a40883f83052c9875636903fdc086b7e38e2ae6eb79ba1b37f7b134

SHA512
3b9ba1ccc517bd7172179e168e35113d07aec2f75be8b9e78423c3184b1844a66f112c0faa1ee62ae164677ed96d24dc333e308aa71828950441ed6045c0b0db

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

Filesize
96KB

MD5
ea70cfeb7de8fdace56f2355a88117a5

SHA1
67410e3c9edb1a06019b94022a9c509c20f34c11

SHA256
5007383fa2ef3a59b1acce5250cbb9bebb5f4ae52fec8b0f96b01aee782d8172

SHA512
f8faba252cb4a1d2ea2698a5d3edd356c654f4b0161227963d0171621a1f8017fa83d537d9d3474cca2544819e48714c3d802d51378d14deecc5d297f410f5ba

Download Submit
memory/448-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/448-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/448-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/448-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1272-31-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1272-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1388-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1388-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1388-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1388-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1388-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1388-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1388-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1392-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1392-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1392-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1616-43-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1616-50-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2232-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2232-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2232-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2232-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3348-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3348-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4488-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4488-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download