neconyd | 7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d

Analysis

max time kernel
110s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 15:12

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General

Target

7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe
Size

96KB
MD5

efc206b3300e3e58bcf3ca8eaca8c9cf
SHA1

712605a02fb689f2191342e67cb902ad52556c51
SHA256

7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d
SHA512

94f0162cc032d7a8ed0924037168222936d9daeba5bd4b015850fb8c1057fd841e0cc702fd5a5c33fa02e05dca8d6977565c0482615c9a6129185f23c8d95399
SSDEEP

1536:UnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxz:UGs8cd8eXlYairZYqMddH13z

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
684	omsecor.exe
4752	omsecor.exe
3552	omsecor.exe
4036	omsecor.exe
1812	omsecor.exe
1028	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 3720 set thread context of 1328	3720	7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe	85
PID 684 set thread context of 4752	684	omsecor.exe	90
PID 3552 set thread context of 4036	3552	omsecor.exe	110
PID 1812 set thread context of 1028	1812	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3724	3720	WerFault.exe	84
4024	684	WerFault.exe	87
3124	3552	WerFault.exe	109
1572	1812	WerFault.exe	112

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	7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.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 3720 wrote to memory of 1328	3720	7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe	85
PID 3720 wrote to memory of 1328	3720	7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe	85
PID 3720 wrote to memory of 1328	3720	7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe	85
PID 3720 wrote to memory of 1328	3720	7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe	85
PID 3720 wrote to memory of 1328	3720	7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe	85
PID 1328 wrote to memory of 684	1328	7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe	87
PID 1328 wrote to memory of 684	1328	7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe	87
PID 1328 wrote to memory of 684	1328	7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe	87
PID 684 wrote to memory of 4752	684	omsecor.exe	90
PID 684 wrote to memory of 4752	684	omsecor.exe	90
PID 684 wrote to memory of 4752	684	omsecor.exe	90
PID 684 wrote to memory of 4752	684	omsecor.exe	90
PID 684 wrote to memory of 4752	684	omsecor.exe	90
PID 4752 wrote to memory of 3552	4752	omsecor.exe	109
PID 4752 wrote to memory of 3552	4752	omsecor.exe	109
PID 4752 wrote to memory of 3552	4752	omsecor.exe	109
PID 3552 wrote to memory of 4036	3552	omsecor.exe	110
PID 3552 wrote to memory of 4036	3552	omsecor.exe	110
PID 3552 wrote to memory of 4036	3552	omsecor.exe	110
PID 3552 wrote to memory of 4036	3552	omsecor.exe	110
PID 3552 wrote to memory of 4036	3552	omsecor.exe	110
PID 4036 wrote to memory of 1812	4036	omsecor.exe	112
PID 4036 wrote to memory of 1812	4036	omsecor.exe	112
PID 4036 wrote to memory of 1812	4036	omsecor.exe	112
PID 1812 wrote to memory of 1028	1812	omsecor.exe	113
PID 1812 wrote to memory of 1028	1812	omsecor.exe	113
PID 1812 wrote to memory of 1028	1812	omsecor.exe	113
PID 1812 wrote to memory of 1028	1812	omsecor.exe	113
PID 1812 wrote to memory of 1028	1812	omsecor.exe	113

C:\Users\Admin\AppData\Local\Temp\7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe
"C:\Users\Admin\AppData\Local\Temp\7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3720
- C:\Users\Admin\AppData\Local\Temp\7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe
  C:\Users\Admin\AppData\Local\Temp\7801f94d7d50a919b92278c053132294bb0e88262ad2800ad0ff773ec3681d0d.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1328
- - 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:684
  - - 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:4752
    - - 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:3552
      - 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:4036
        
        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:1812
        
        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:1028
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 256
        8⤵
        Program crash
        
        PID:1572
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 292
        6⤵
        Program crash
        
        PID:3124
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 684 -s 288
      4⤵
      Program crash
      PID:4024
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3720 -s 304
  2⤵
  - Program crash
  PID:3724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3720 -ip 3720
1⤵
PID:4364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 684 -ip 684
1⤵
PID:3124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3552 -ip 3552
1⤵
PID:1088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1812 -ip 1812
1⤵
PID:4488

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
1d17b1bd4ab36246807cc12309d15d4b

SHA1
0ff18ae696f550074cad1110ec2043115e80d300

SHA256
aae9961fe307b22688b484b98ac25e980123913032b949f90a8cb99b92491ed5

SHA512
2ecf52741aa60dc43237cfd020bf44f3596e7493192dcae9576ce57a33c77dd255b01ac43baaf5df8ac66c9370de4716d897d9142ec13881d87639abfb781246

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

Filesize
96KB

MD5
f68ee74f31d1013e365ab5ce17f6a80d

SHA1
855a9adb872d0e86afa7bcc5644d9cd1d504cd88

SHA256
1d2e864b46c759be0946582d45a2b72e2020b7246469abdc96cb9fea7b4df94c

SHA512
3d7acd7c613c2a5185132ba5388da33be1532302565d8e2a80deee6d28bb5edf72550ee299ea9db312a24311cb139c410bd7d3ccf02c705adffab99650f46194

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

Filesize
96KB

MD5
8470fd734c4b46b2853065d990ff3762

SHA1
9de3fbc06ad4c849717c4daafbe6023f59660b83

SHA256
88708e6174853b74b77321410bb9081f3beadc160f94028a464f6a9ecb305614

SHA512
abdbd616845ab0fa946d8962655146fd8b9ffbdb2097789881135fa1bfa71478846f87c142d7228af5d162d1481ef40fcf0af7b6acc83976817a0ee75c04044e

Download Submit
memory/684-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1028-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1028-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1028-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1328-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1328-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1328-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1328-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1812-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3552-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3552-34-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3720-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3720-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4036-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4036-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4036-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4752-33-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4752-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4752-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4752-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4752-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4752-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4752-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download