neconyd | 17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9a

Analysis

max time kernel
115s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-01-2025 11:01

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General

Target

17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe
Size

96KB
MD5

aa01c104f051dd346f3d7fb5d1963440
SHA1

1b8917f9c48e9efe31e6d3015d4a638d1372a5c0
SHA256

17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9a
SHA512

25d78535126338be97934e2425b163c7ca15d9218d03bb1f267fade9e0693ef4074c98413da28499840ca82173cae3f38687a6a626e56f6dd21f12a07b1f417d
SSDEEP

1536:pnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:pGs8cd8eXlYairZYqMddH13L

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
3884	omsecor.exe
5112	omsecor.exe
4044	omsecor.exe
2520	omsecor.exe
2128	omsecor.exe
4944	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 116 set thread context of 4820	116	17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe	83
PID 3884 set thread context of 5112	3884	omsecor.exe	87
PID 4044 set thread context of 2520	4044	omsecor.exe	109
PID 2128 set thread context of 4944	2128	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3652	116	WerFault.exe	82
3548	3884	WerFault.exe	86
3560	4044	WerFault.exe	108
3712	2128	WerFault.exe	111

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	17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 4820	116	17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe	83
PID 116 wrote to memory of 4820	116	17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe	83
PID 116 wrote to memory of 4820	116	17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe	83
PID 116 wrote to memory of 4820	116	17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe	83
PID 116 wrote to memory of 4820	116	17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe	83
PID 4820 wrote to memory of 3884	4820	17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe	86
PID 4820 wrote to memory of 3884	4820	17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe	86
PID 4820 wrote to memory of 3884	4820	17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe	86
PID 3884 wrote to memory of 5112	3884	omsecor.exe	87
PID 3884 wrote to memory of 5112	3884	omsecor.exe	87
PID 3884 wrote to memory of 5112	3884	omsecor.exe	87
PID 3884 wrote to memory of 5112	3884	omsecor.exe	87
PID 3884 wrote to memory of 5112	3884	omsecor.exe	87
PID 5112 wrote to memory of 4044	5112	omsecor.exe	108
PID 5112 wrote to memory of 4044	5112	omsecor.exe	108
PID 5112 wrote to memory of 4044	5112	omsecor.exe	108
PID 4044 wrote to memory of 2520	4044	omsecor.exe	109
PID 4044 wrote to memory of 2520	4044	omsecor.exe	109
PID 4044 wrote to memory of 2520	4044	omsecor.exe	109
PID 4044 wrote to memory of 2520	4044	omsecor.exe	109
PID 4044 wrote to memory of 2520	4044	omsecor.exe	109
PID 2520 wrote to memory of 2128	2520	omsecor.exe	111
PID 2520 wrote to memory of 2128	2520	omsecor.exe	111
PID 2520 wrote to memory of 2128	2520	omsecor.exe	111
PID 2128 wrote to memory of 4944	2128	omsecor.exe	113
PID 2128 wrote to memory of 4944	2128	omsecor.exe	113
PID 2128 wrote to memory of 4944	2128	omsecor.exe	113
PID 2128 wrote to memory of 4944	2128	omsecor.exe	113
PID 2128 wrote to memory of 4944	2128	omsecor.exe	113

C:\Users\Admin\AppData\Local\Temp\17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe
"C:\Users\Admin\AppData\Local\Temp\17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:116
- C:\Users\Admin\AppData\Local\Temp\17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe
  C:\Users\Admin\AppData\Local\Temp\17f6caf955733500fa5eb7efeea47612ac0843c40807a93eda268aaa128ebd9aN.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4820
- - 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:3884
  - - 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:5112
    - - 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:4044
      - 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:2520
        
        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:2128
        
        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:4944
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 256
        8⤵
        Program crash
        
        PID:3712
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 292
        6⤵
        Program crash
        
        PID:3560
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 288
      4⤵
      Program crash
      PID:3548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 288
  2⤵
  - Program crash
  PID:3652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 116 -ip 116
1⤵
PID:1516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3884 -ip 3884
1⤵
PID:3712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4044 -ip 4044
1⤵
PID:3668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2128 -ip 2128
1⤵
PID:3216

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
39bb9ee4a5de2bf07aeada4e26f0ecc5

SHA1
e30d51ec2e22ca3e90abe58a1319e5fa48f23f88

SHA256
6334f19c598668c0757bcf234114fb80537fe7ed41330db29ae658192227401e

SHA512
cf2a7ebd31e8c649252a5445ebc18b8ccadfa37ccc70f6de6ca1a125889ada9db56b7da49fa65bb89a3031679e3369013b20eea1f080c45b1815c7c48eef6551

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

Filesize
96KB

MD5
9e6e69f3a0542fc8c1dc0f8b0957d432

SHA1
f4896ba80880b39453bb0a8d10fb8de4fcf7040d

SHA256
5b59b9a3c20b96b825d27073408fb1ab8b5db90f697e1d79d572a95d42756c08

SHA512
58b1218b85849e138389bfdee64a0f2d7b4d8b9bd3c6e64703462cee0125ede11378b3893bb298c4ea4fbc5b736f98f7cf44c13de43587cde550c5c20729b293

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

Filesize
96KB

MD5
ef67a06a1295136d79e3269c05757268

SHA1
7348f6c6786faa4d472a20908c766219f943af68

SHA256
caf4b706e537b5028f099d15669bcedc7459c7e999dd62781d97e5a1ad270006

SHA512
2ba8b735404d50873411f03950ced04ddbc0f32a9606b81e5bed36f7af24cbbd99b2168d54a069e34f3faf738e3bb0639fa8fd1336d5d6482cefbecf2fc31642

Download Submit
memory/116-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/116-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2128-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2128-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2520-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2520-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2520-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3884-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3884-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4044-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4044-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4820-8-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4820-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4820-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4820-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4944-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4944-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4944-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5112-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5112-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5112-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5112-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5112-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5112-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5112-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download