neconyd | fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755

Analysis

max time kernel
114s
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
22-12-2024 14:06

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General

Target

fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe
Size

96KB
MD5

b3ed9190eeb41cfeebf7fe819ebb0500
SHA1

0720d3e3de08c0574e391dea8b49bd6ce3b1065b
SHA256

fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755
SHA512

b6a8d35dc333b4ebb3ab427fbc99612da1a87dbbc23333e564c779ad8824b9420aa415bf8b7c668c0c1710bd9aa17832361bf029d81da3c4d80485a3006ba8c0
SSDEEP

1536:MnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:MGs8cd8eXlYairZYqMddH13L

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
3868	omsecor.exe
1916	omsecor.exe
4152	omsecor.exe
3720	omsecor.exe
4228	omsecor.exe
4488	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 3208 set thread context of 2400	3208	fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe	82
PID 3868 set thread context of 1916	3868	omsecor.exe	87
PID 4152 set thread context of 3720	4152	omsecor.exe	100
PID 4228 set thread context of 4488	4228	omsecor.exe	103

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1752	3208	WerFault.exe	81
4052	3868	WerFault.exe	85
1476	4152	WerFault.exe	99
1092	4228	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	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	fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 2400	3208	fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe	82
PID 3208 wrote to memory of 2400	3208	fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe	82
PID 3208 wrote to memory of 2400	3208	fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe	82
PID 3208 wrote to memory of 2400	3208	fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe	82
PID 3208 wrote to memory of 2400	3208	fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe	82
PID 2400 wrote to memory of 3868	2400	fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe	85
PID 2400 wrote to memory of 3868	2400	fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe	85
PID 2400 wrote to memory of 3868	2400	fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe	85
PID 3868 wrote to memory of 1916	3868	omsecor.exe	87
PID 3868 wrote to memory of 1916	3868	omsecor.exe	87
PID 3868 wrote to memory of 1916	3868	omsecor.exe	87
PID 3868 wrote to memory of 1916	3868	omsecor.exe	87
PID 3868 wrote to memory of 1916	3868	omsecor.exe	87
PID 1916 wrote to memory of 4152	1916	omsecor.exe	99
PID 1916 wrote to memory of 4152	1916	omsecor.exe	99
PID 1916 wrote to memory of 4152	1916	omsecor.exe	99
PID 4152 wrote to memory of 3720	4152	omsecor.exe	100
PID 4152 wrote to memory of 3720	4152	omsecor.exe	100
PID 4152 wrote to memory of 3720	4152	omsecor.exe	100
PID 4152 wrote to memory of 3720	4152	omsecor.exe	100
PID 4152 wrote to memory of 3720	4152	omsecor.exe	100
PID 3720 wrote to memory of 4228	3720	omsecor.exe	102
PID 3720 wrote to memory of 4228	3720	omsecor.exe	102
PID 3720 wrote to memory of 4228	3720	omsecor.exe	102
PID 4228 wrote to memory of 4488	4228	omsecor.exe	103
PID 4228 wrote to memory of 4488	4228	omsecor.exe	103
PID 4228 wrote to memory of 4488	4228	omsecor.exe	103
PID 4228 wrote to memory of 4488	4228	omsecor.exe	103
PID 4228 wrote to memory of 4488	4228	omsecor.exe	103

C:\Users\Admin\AppData\Local\Temp\fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe
"C:\Users\Admin\AppData\Local\Temp\fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3208
- C:\Users\Admin\AppData\Local\Temp\fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe
  C:\Users\Admin\AppData\Local\Temp\fa56d5e7d6838bac9dfc8957e606e7a1deec9b03976282baddf6033c7b281755N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2400
- - 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:3868
  - - 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:1916
    - - 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:4152
      - 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:3720
        
        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:4228
        
        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:4488
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4228 -s 268
        8⤵
        Program crash
        
        PID:1092
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4152 -s 292
        6⤵
        Program crash
        
        PID:1476
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3868 -s 288
      4⤵
      Program crash
      PID:4052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 252
  2⤵
  - Program crash
  PID:1752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3208 -ip 3208
1⤵
PID:3444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3868 -ip 3868
1⤵
PID:2152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4152 -ip 4152
1⤵
PID:400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4228 -ip 4228
1⤵
PID:3688

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
1f97c26de7bb3036ef4e3b0338b8fc0d

SHA1
332b4839e06d85ee6a2c8b4d2e6b5fa6b278dfc7

SHA256
8224e98d7e836d01d4f1e34480641b4c3676b8fe5b76b0ad70f5326a89a3c76b

SHA512
11e313b64f22b3d9f175f10aea537b00465e5d8e161c47693a464fd1882294da9f64740708012d8a086b26b4b316372e94f9f5817661d792e52108e493fcaa32

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

Filesize
96KB

MD5
9cfa878691bde324abe95cc30568f05c

SHA1
6e7904ded78d25ffe0b4356b43e0890bf56a1885

SHA256
05daa229b08a67c579709c326d95637ce1dd23112a7137552042673cd2b2d443

SHA512
0bf9fccc46d02eda8583534842a0c50aa7d4c007ad2bd14483181468525578e666e6021d02de0a64a02998213760e5febfec08678ae0650667f7e74a81c34913

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

Filesize
96KB

MD5
41bfbae609c09de5e68d2556ac9d31df

SHA1
2923f4d9b52ad89f5ab02e4498b465d87fae72c8

SHA256
80eb7785808c3a538b59b64c99180d6a436f291871b0d04538aa10c8cb5d88b8

SHA512
1ad10756876e4296b86d27d06d1241a99073097548d8bee0f49ca9b92525e535eea655efd89b654b3688ec40166aa934488e6193cd5fc87d332e0ddc4e27afd0

Download Submit
memory/1916-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1916-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1916-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1916-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1916-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1916-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1916-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2400-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2400-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2400-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2400-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3208-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3208-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3720-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3720-43-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3720-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3868-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3868-9-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4152-37-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4152-55-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4228-47-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4488-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4488-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4488-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download