neconyd | c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 03:11

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General

Target

c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe
Size

134KB
MD5

99f410fed3e2f4cd72d4f981b889e7bc
SHA1

76b150567a0e0abe420674417fdfb05fd8cef31c
SHA256

c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f
SHA512

ba78db0e847cef3fed4fa46be2d74809ab8818beee1e1943318ae3121df71dc8edae15ba16d793bdbeeb92e7051e5a8c6d74918e32d06c2219ba0b03e13e8d27
SSDEEP

1536:DDfDbhERTatPLTH0NqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwC7l:PiRTeH0NqAW6J6f1tqF6dngNmaZC7Mc

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
3140	omsecor.exe
1832	omsecor.exe
4408	omsecor.exe
3544	omsecor.exe
680	omsecor.exe
3996	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 4944 set thread context of 3724	4944	c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe	83
PID 3140 set thread context of 1832	3140	omsecor.exe	87
PID 4408 set thread context of 3544	4408	omsecor.exe	109
PID 680 set thread context of 3996	680	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1148	4944	WerFault.exe	82
1596	3140	WerFault.exe	85
4572	4408	WerFault.exe	108
2104	680	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	c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 3724	4944	c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe	83
PID 4944 wrote to memory of 3724	4944	c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe	83
PID 4944 wrote to memory of 3724	4944	c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe	83
PID 4944 wrote to memory of 3724	4944	c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe	83
PID 4944 wrote to memory of 3724	4944	c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe	83
PID 3724 wrote to memory of 3140	3724	c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe	85
PID 3724 wrote to memory of 3140	3724	c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe	85
PID 3724 wrote to memory of 3140	3724	c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe	85
PID 3140 wrote to memory of 1832	3140	omsecor.exe	87
PID 3140 wrote to memory of 1832	3140	omsecor.exe	87
PID 3140 wrote to memory of 1832	3140	omsecor.exe	87
PID 3140 wrote to memory of 1832	3140	omsecor.exe	87
PID 3140 wrote to memory of 1832	3140	omsecor.exe	87
PID 1832 wrote to memory of 4408	1832	omsecor.exe	108
PID 1832 wrote to memory of 4408	1832	omsecor.exe	108
PID 1832 wrote to memory of 4408	1832	omsecor.exe	108
PID 4408 wrote to memory of 3544	4408	omsecor.exe	109
PID 4408 wrote to memory of 3544	4408	omsecor.exe	109
PID 4408 wrote to memory of 3544	4408	omsecor.exe	109
PID 4408 wrote to memory of 3544	4408	omsecor.exe	109
PID 4408 wrote to memory of 3544	4408	omsecor.exe	109
PID 3544 wrote to memory of 680	3544	omsecor.exe	111
PID 3544 wrote to memory of 680	3544	omsecor.exe	111
PID 3544 wrote to memory of 680	3544	omsecor.exe	111
PID 680 wrote to memory of 3996	680	omsecor.exe	113
PID 680 wrote to memory of 3996	680	omsecor.exe	113
PID 680 wrote to memory of 3996	680	omsecor.exe	113
PID 680 wrote to memory of 3996	680	omsecor.exe	113
PID 680 wrote to memory of 3996	680	omsecor.exe	113

C:\Users\Admin\AppData\Local\Temp\c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe
"C:\Users\Admin\AppData\Local\Temp\c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4944
- C:\Users\Admin\AppData\Local\Temp\c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe
  C:\Users\Admin\AppData\Local\Temp\c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3724
- - 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:3140
  - - 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:1832
    - - 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:4408
      - 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:3544
        
        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:680
        
        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:3996
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 260
        8⤵
        Program crash
        
        PID:2104
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 292
        6⤵
        Program crash
        
        PID:4572
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 300
      4⤵
      Program crash
      PID:1596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 288
  2⤵
  - Program crash
  PID:1148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4944 -ip 4944
1⤵
PID:3460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3140 -ip 3140
1⤵
PID:3080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4408 -ip 4408
1⤵
PID:3460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 680 -ip 680
1⤵
PID:1856

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
5dc459b2b0f91ed884042e6a62f0ad84

SHA1
81d6e611fa225c3a7c9929cf0cc9c6763b07f18a

SHA256
818e26dd2a8288fe855d3535254131cc921a01ad26aa4d6fceba2edf8baac86c

SHA512
be38fd0003b7d20071e9c4144391ca8da362a504c7c21ee8f75c463b9af20e1643ac761ef1ce3b7abf7a2a22ca5f9ab75ae89a2851684490806b683853b016fc

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

Filesize
134KB

MD5
c75758db5fb480a348601802231f639f

SHA1
2c98b26b84730a89d2e650885562ee4d7c229d22

SHA256
45ba5ab14e3c5157da902d73a444260b5d152eb001ca9ff1e2d58539846f4db1

SHA512
ded28fb6215dada1c0c024fa109b8bb9a8ee0f62fb47067598abd9949abcf32c968ea6acfa5f5d2a6a6f3f2ce76966671028ab290c39a62f880b67d9706b319b

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

Filesize
134KB

MD5
45cdb26afa0ca10b45841eaa93753f71

SHA1
0fb7874b8ee1e4fb791c4a49208758e3958d4191

SHA256
538d1ad1f8ebf81fe241a8cdda7cad68bc7e4ddac7805eb28f03a9948dfc803a

SHA512
e72aaab1864cd247105a946f2ace392f96ba0e400f2e81546469f14580314f67073505c2442ba2e7f4a2f22b03ff83443698a64b7723a123159b722aa6c707d9

Download Submit
memory/680-50-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/680-43-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1832-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1832-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1832-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1832-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1832-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1832-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1832-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3140-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3140-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3544-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3544-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3544-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3724-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3724-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3724-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3724-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3996-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3996-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3996-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3996-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4408-31-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4408-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4944-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4944-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download