neconyd | afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 20:11

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General

Target

afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe
Size

96KB
MD5

d5a9e370628ca8008e1193bf8f314160
SHA1

73f85117c4a3bd2903ae46e7081add3479fb15ae
SHA256

afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641
SHA512

8108563002fe522ed6e308c0562d940304263d237d5561f8c1be59ea82aabc838ce3a3c9e827abe1f13f9315a121645c710480f10784094b2a1d746c25ba1b3b
SSDEEP

1536:jnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:jGs8cd8eXlYairZYqMddH13L

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
4920	omsecor.exe
4124	omsecor.exe
640	omsecor.exe
4460	omsecor.exe
4404	omsecor.exe
3384	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 3940 set thread context of 4276	3940	afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe	82
PID 4920 set thread context of 4124	4920	omsecor.exe	87
PID 640 set thread context of 4460	640	omsecor.exe	100
PID 4404 set thread context of 3384	4404	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
856	3940	WerFault.exe	81
524	4920	WerFault.exe	85
452	640	WerFault.exe	99
5076	4404	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	afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.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 3940 wrote to memory of 4276	3940	afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe	82
PID 3940 wrote to memory of 4276	3940	afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe	82
PID 3940 wrote to memory of 4276	3940	afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe	82
PID 3940 wrote to memory of 4276	3940	afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe	82
PID 3940 wrote to memory of 4276	3940	afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe	82
PID 4276 wrote to memory of 4920	4276	afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe	85
PID 4276 wrote to memory of 4920	4276	afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe	85
PID 4276 wrote to memory of 4920	4276	afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe	85
PID 4920 wrote to memory of 4124	4920	omsecor.exe	87
PID 4920 wrote to memory of 4124	4920	omsecor.exe	87
PID 4920 wrote to memory of 4124	4920	omsecor.exe	87
PID 4920 wrote to memory of 4124	4920	omsecor.exe	87
PID 4920 wrote to memory of 4124	4920	omsecor.exe	87
PID 4124 wrote to memory of 640	4124	omsecor.exe	99
PID 4124 wrote to memory of 640	4124	omsecor.exe	99
PID 4124 wrote to memory of 640	4124	omsecor.exe	99
PID 640 wrote to memory of 4460	640	omsecor.exe	100
PID 640 wrote to memory of 4460	640	omsecor.exe	100
PID 640 wrote to memory of 4460	640	omsecor.exe	100
PID 640 wrote to memory of 4460	640	omsecor.exe	100
PID 640 wrote to memory of 4460	640	omsecor.exe	100
PID 4460 wrote to memory of 4404	4460	omsecor.exe	102
PID 4460 wrote to memory of 4404	4460	omsecor.exe	102
PID 4460 wrote to memory of 4404	4460	omsecor.exe	102
PID 4404 wrote to memory of 3384	4404	omsecor.exe	104
PID 4404 wrote to memory of 3384	4404	omsecor.exe	104
PID 4404 wrote to memory of 3384	4404	omsecor.exe	104
PID 4404 wrote to memory of 3384	4404	omsecor.exe	104
PID 4404 wrote to memory of 3384	4404	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe
"C:\Users\Admin\AppData\Local\Temp\afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Users\Admin\AppData\Local\Temp\afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe
  C:\Users\Admin\AppData\Local\Temp\afab42024bd75b37513c3fe61e5797836dbf6a67ae97b461d1606c90bd4b4641N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4276
- - 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:4920
  - - 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:4124
    - - 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:640
      - 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:4460
        
        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:4404
        
        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:3384
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 256
        8⤵
        Program crash
        
        PID:5076
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 292
        6⤵
        Program crash
        
        PID:452
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 228
      4⤵
      Program crash
      PID:524
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 256
  2⤵
  - Program crash
  PID:856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3940 -ip 3940
1⤵
PID:2716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4920 -ip 4920
1⤵
PID:5068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 640 -ip 640
1⤵
PID:4228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4404 -ip 4404
1⤵
PID:1656

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
9121d0fdac102261685aadb3a23c4b12

SHA1
86d461f7e82f912776dda401a3141ea6d7047a7d

SHA256
75c1aae9999c5e3bffec6627dd64b954160489e0e6a23f81a7a74b70eae1116d

SHA512
b41c005fb7ec5f91ad32507f15bc025c5904407fddacecc66177638b7ad534590a6f2aa447cec614389caf18e7be576c822fed2b795faabc8ecffe1cb7a51c1a

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

Filesize
96KB

MD5
86aa26b6a1a08cf74acf7c29e1de5fee

SHA1
598af807a31a2557969bd6784607d624c6bded11

SHA256
8ef4c3c08dbe1fe8ef0c71be72fbcfd86c1d14222a0d16cb1ad361b419dc8074

SHA512
2dd78538c77ffd209ba0cbe006ababaf934e3668163ab9be49fd3c17d0132cf10b3d31100922c1b1715a2db08cef7c5362c2f3065e930b50dd331fa154da8c68

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

Filesize
96KB

MD5
c8f8c2b0277dbd551a35d771d92fcaf3

SHA1
7ad5d9ef6a5ec17487bff3ad385a97ee021746be

SHA256
d4749b421ff6e15510213146747ab8f5dea6fe86a2882356bb86156da41080ab

SHA512
44dde416909d4c87f56b548b4ac3ad32e7208309db1652f3e54e48837f27c3a080ad1349b3cfbdb27822273797cb30aa2c6de716fbc57eb78d35bf83a047c22a

Download Submit
memory/640-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/640-30-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3384-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3384-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3384-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3940-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3940-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4124-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4124-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4124-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4124-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4124-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4124-33-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4124-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4276-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4276-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4276-7-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4276-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4404-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4404-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4460-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4460-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4460-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4920-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4920-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download