neconyd | cf7c2393e817e37c7b59bd35bdfea8be71512876b53396c5d5b9754ba71d5a16

Analysis

max time kernel
116s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/08/2024, 11:29

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General

Target
e5df28de95e778264a283c29467d3360N.exe
Size 96KB
Sample240816-nlx3dasbqa
SHA256 cf7c2393e817e37c7b59bd35bdfea8be71512876b53396c5d5b9754ba71d5a16
MD5 e5df28de95e778264a283c29467d3360
SHA1 c542c295f727769c8ec31497f71ff4e010b55b95
SHA512 e5caded26af329c13b500cd79c465d05564f67aac4b711d49a46d25de4a322cc90990aabeff3c62c44742c3feed7704387ea82d0e76e9a3e0d9aea9e29ee87b9
SSDEEP 1536:rnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:rGs8cd8eXlYairZYqMddH13L
MD5 SHA1 SHA512 SSDEEP

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

Executes dropped EXE 6 IoCs

pid	Process
4016	omsecor.exe
2036	omsecor.exe
2884	omsecor.exe
3616	omsecor.exe
748	omsecor.exe
2780	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 4952 set thread context of 548	4952	e5df28de95e778264a283c29467d3360N.exe	84
PID 4016 set thread context of 2036	4016	omsecor.exe	89
PID 2884 set thread context of 3616	2884	omsecor.exe	108
PID 748 set thread context of 2780	748	omsecor.exe	111

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1332	4952	WerFault.exe	83
768	4016	WerFault.exe	87
3812	2884	WerFault.exe	107
2228	748	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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5df28de95e778264a283c29467d3360N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5df28de95e778264a283c29467d3360N.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 4952 wrote to memory of 548	4952	e5df28de95e778264a283c29467d3360N.exe	84
PID 4952 wrote to memory of 548	4952	e5df28de95e778264a283c29467d3360N.exe	84
PID 4952 wrote to memory of 548	4952	e5df28de95e778264a283c29467d3360N.exe	84
PID 4952 wrote to memory of 548	4952	e5df28de95e778264a283c29467d3360N.exe	84
PID 4952 wrote to memory of 548	4952	e5df28de95e778264a283c29467d3360N.exe	84
PID 548 wrote to memory of 4016	548	e5df28de95e778264a283c29467d3360N.exe	87
PID 548 wrote to memory of 4016	548	e5df28de95e778264a283c29467d3360N.exe	87
PID 548 wrote to memory of 4016	548	e5df28de95e778264a283c29467d3360N.exe	87
PID 4016 wrote to memory of 2036	4016	omsecor.exe	89
PID 4016 wrote to memory of 2036	4016	omsecor.exe	89
PID 4016 wrote to memory of 2036	4016	omsecor.exe	89
PID 4016 wrote to memory of 2036	4016	omsecor.exe	89
PID 4016 wrote to memory of 2036	4016	omsecor.exe	89
PID 2036 wrote to memory of 2884	2036	omsecor.exe	107
PID 2036 wrote to memory of 2884	2036	omsecor.exe	107
PID 2036 wrote to memory of 2884	2036	omsecor.exe	107
PID 2884 wrote to memory of 3616	2884	omsecor.exe	108
PID 2884 wrote to memory of 3616	2884	omsecor.exe	108
PID 2884 wrote to memory of 3616	2884	omsecor.exe	108
PID 2884 wrote to memory of 3616	2884	omsecor.exe	108
PID 2884 wrote to memory of 3616	2884	omsecor.exe	108
PID 3616 wrote to memory of 748	3616	omsecor.exe	110
PID 3616 wrote to memory of 748	3616	omsecor.exe	110
PID 3616 wrote to memory of 748	3616	omsecor.exe	110
PID 748 wrote to memory of 2780	748	omsecor.exe	111
PID 748 wrote to memory of 2780	748	omsecor.exe	111
PID 748 wrote to memory of 2780	748	omsecor.exe	111
PID 748 wrote to memory of 2780	748	omsecor.exe	111
PID 748 wrote to memory of 2780	748	omsecor.exe	111

C:\Users\Admin\AppData\Local\Temp\e5df28de95e778264a283c29467d3360N.exe
"C:\Users\Admin\AppData\Local\Temp\e5df28de95e778264a283c29467d3360N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Users\Admin\AppData\Local\Temp\e5df28de95e778264a283c29467d3360N.exe
  C:\Users\Admin\AppData\Local\Temp\e5df28de95e778264a283c29467d3360N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:548
- - 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:4016
  - - 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:2036
    - - 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:2884
      - 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:3616
        
        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:748
        
        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:2780
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 256
        8⤵
        Program crash
        
        PID:2228
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 292
        6⤵
        Program crash
        
        PID:3812
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4016 -s 276
      4⤵
      Program crash
      PID:768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4952 -s 272
  2⤵
  - Program crash
  PID:1332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4952 -ip 4952
1⤵
PID:3320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4016 -ip 4016
1⤵
PID:3260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2884 -ip 2884
1⤵
PID:2832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 748 -ip 748
1⤵
PID:5080

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

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Downloads

omsecor.exe

Path C:\Users\Admin\AppData\Roaming\omsecor.exe
Size 96KB
SHA256 2c2a296b09b2d25e5d1268bda3a7df6ead86aec1816e497b7a76ebf966ce99cc
MD5 3b734f8d52fc929765b34d0baeb82448
SHA1 f60a31b5ff14bc08fd70563da0450e59acc28d35
SHA512 09d5246cca7384c54997ac11fffefc398786a81195592593ccf49975fc9d3bdbcb8e36d42d4acde262af9aa93a4212adf377a9b4769656c93f7f97db84052d3b
SSDEEP 1536:UnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:UGs8cd8eXlYairZYqMddH13L
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Users\Admin\AppData\Roaming\omsecor.exe
Size 96KB
SHA256 4673b61c3a279e66162f236dfb423485d660debc18390674ffee23e346c685a0
MD5 1d0080852c85ca44e6c8c23970715c97
SHA1 741d3fdb1c6acd6357fd70f7a57add18b78f67f6
SHA512 484a4a526e23aa630071e1495792c05cc9eca9b481fbab6cd51b2f1b9b500f085480b3742a2c1a6d68ab9688738122e58d7f642fc9ee83d5277e0ae935230fd1
SSDEEP 1536:7nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:7Gs8cd8eXlYairZYqMddH13L
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Windows\SysWOW64\omsecor.exe
Size 96KB
SHA256 fd7bb2448b7b4a33ec28b6c8f9255a06f55e7fd3e01c20a9e14783885d4b9515
MD5 78399bde50f1497f0f27c76eabc8b072
SHA1 c344bf31170d31ccc5a88b28d3ccd213bd869e41
SHA512 c74c8c01697d18f87fc51fc95179367cf9f3581e6392a937e83b19aa956e73cd4bd6b437b5a5a469069245cb130fa32c00323aac8301bde94484ff97516d8fc8
SSDEEP 1536:knAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:kGs8cd8eXlYairZYqMddH13L
MD5 SHA1 SHA512 SSDEEP

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memory/548-3-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/548-2-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/548-1-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/548-5-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/748-45-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/2036-23-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2036-14-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2036-31-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2036-20-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2036-15-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2036-26-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2036-27-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2780-50-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2780-49-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2780-54-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2884-32-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/2884-53-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/3616-37-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/3616-40-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/3616-38-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/4016-17-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/4016-10-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/4952-0-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/4952-19-0x0000000000400000-0x0000000000423000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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