neconyd | 63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 18:21

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General

Target

63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe
Size

134KB
MD5

9bb2167d80542b7a8deb1ac220bb58cb
SHA1

58e2bf1aca2c5391074cbf46a07b57910c1c0b28
SHA256

63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553
SHA512

3bcda1bb9de8048488c48c508aa324fae574e0801b658334f863dd847ea6368782cace737d5064b8d67ee3f2ab5b7d95b6bd76b09cd001a9a1d1f5cd6447d903
SSDEEP

1536:cDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCif:CiRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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
3188	omsecor.exe
4256	omsecor.exe
3420	omsecor.exe
376	omsecor.exe
1436	omsecor.exe
1020	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 400 set thread context of 2608	400	63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe	82
PID 3188 set thread context of 4256	3188	omsecor.exe	86
PID 3420 set thread context of 376	3420	omsecor.exe	97
PID 1436 set thread context of 1020	1436	omsecor.exe	100

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1100	400	WerFault.exe	81
3368	3188	WerFault.exe	85
4324	3420	WerFault.exe	96
2216	1436	WerFault.exe	99

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	63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 2608	400	63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe	82
PID 400 wrote to memory of 2608	400	63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe	82
PID 400 wrote to memory of 2608	400	63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe	82
PID 400 wrote to memory of 2608	400	63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe	82
PID 400 wrote to memory of 2608	400	63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe	82
PID 2608 wrote to memory of 3188	2608	63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe	85
PID 2608 wrote to memory of 3188	2608	63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe	85
PID 2608 wrote to memory of 3188	2608	63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe	85
PID 3188 wrote to memory of 4256	3188	omsecor.exe	86
PID 3188 wrote to memory of 4256	3188	omsecor.exe	86
PID 3188 wrote to memory of 4256	3188	omsecor.exe	86
PID 3188 wrote to memory of 4256	3188	omsecor.exe	86
PID 3188 wrote to memory of 4256	3188	omsecor.exe	86
PID 4256 wrote to memory of 3420	4256	omsecor.exe	96
PID 4256 wrote to memory of 3420	4256	omsecor.exe	96
PID 4256 wrote to memory of 3420	4256	omsecor.exe	96
PID 3420 wrote to memory of 376	3420	omsecor.exe	97
PID 3420 wrote to memory of 376	3420	omsecor.exe	97
PID 3420 wrote to memory of 376	3420	omsecor.exe	97
PID 3420 wrote to memory of 376	3420	omsecor.exe	97
PID 3420 wrote to memory of 376	3420	omsecor.exe	97
PID 376 wrote to memory of 1436	376	omsecor.exe	99
PID 376 wrote to memory of 1436	376	omsecor.exe	99
PID 376 wrote to memory of 1436	376	omsecor.exe	99
PID 1436 wrote to memory of 1020	1436	omsecor.exe	100
PID 1436 wrote to memory of 1020	1436	omsecor.exe	100
PID 1436 wrote to memory of 1020	1436	omsecor.exe	100
PID 1436 wrote to memory of 1020	1436	omsecor.exe	100
PID 1436 wrote to memory of 1020	1436	omsecor.exe	100

C:\Users\Admin\AppData\Local\Temp\63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe
"C:\Users\Admin\AppData\Local\Temp\63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:400
- C:\Users\Admin\AppData\Local\Temp\63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe
  C:\Users\Admin\AppData\Local\Temp\63440946f61f4733abc98e668831f1197d29e3d380bd942e3b4942a943984553.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2608
- - 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:3188
  - - 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:4256
    - - 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:3420
      - 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:376
        
        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:1436
        
        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:1020
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 268
        8⤵
        Program crash
        
        PID:2216
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3420 -s 292
        6⤵
        Program crash
        
        PID:4324
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 272
      4⤵
      Program crash
      PID:3368
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 288
  2⤵
  - Program crash
  PID:1100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 400 -ip 400
1⤵
PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3188 -ip 3188
1⤵
PID:1764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3420 -ip 3420
1⤵
PID:2700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1436 -ip 1436
1⤵
PID:3828

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
134KB

MD5
a1123926803b37000fd3ed1e3c4fd715

SHA1
ba2d575e9bf74d74f0c51ba7ddaf9a604c38e212

SHA256
1f71a9ffc06dc1e2eaea59a8b0f90b0cb51bcaa573b7797fd478a7ac2a46bca2

SHA512
0942ef06510ffcaf99869d250b5c90bdc7b9b3dd9337ba96fa894e1a11f5e35b82ba5da2dafa210e25658ba1658ad62e2b23d00dd491ce5bdae0530a0596a5c5

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

Filesize
134KB

MD5
6080bc5d4ebb344329f2212bc55ac00e

SHA1
d7eed95b5e415be1dff1b003598acee87da8295f

SHA256
01e2466cee5b43bdc1c680647d80f81563757d0ad57e3d67bd3feedde035b6e0

SHA512
0ecf9b21e1cd17dd43563ac68c4c3b9c032eb48f929d6f1e6f95f29480f299c47e75f48448a0e2cfa510cc3da889095505f2e6353f5181003a7d552d6eaeb114

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

Filesize
134KB

MD5
422abaf7ca762bce8dd7797894ea1bf9

SHA1
e725c296b4f725ebcbb87bd4d62e1d6853385ae6

SHA256
b6a6e5ea40ee4d40a3e840ae065338ee0925c987615d5513d41938f3230e857e

SHA512
bc082799c49b8161110df83a4e1ef3203832ecb5c128e373cdf7227ea71398c81f066aeb966d5e370395fa48305e2eb8a52d4c7e6c59b970118c44bed1256b3d

Download Submit
memory/376-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/376-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/376-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/400-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/400-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1020-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1020-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1020-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1436-43-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2608-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2608-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2608-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2608-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3188-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3188-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3420-30-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3420-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4256-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4256-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4256-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4256-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4256-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4256-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4256-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download