neconyd | cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25dd

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
24/02/2025, 14:43

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General

Target

cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe
Size

96KB
MD5

dc13ac1eb0bcdc4664e868bfa5286890
SHA1

bde56c417416dbb298ec42e03f71cad3dff0fec0
SHA256

cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25dd
SHA512

b6557b334c9186aef75b091ef313eac20da106adf74fa67e66f6a35e84d74cfc40e42aefb0f284590da012e72be6847d8d4fcc6944c740e0f9205468180b6248
SSDEEP

1536:InAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:IGs8cd8eXlYairZYqMddH13L

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
1936	omsecor.exe
1668	omsecor.exe
1140	omsecor.exe
2092	omsecor.exe
2020	omsecor.exe
3036	omsecor.exe

Loads dropped DLL 7 IoCs

pid	Process
1256	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe
1256	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe
1936	omsecor.exe
1668	omsecor.exe
1668	omsecor.exe
2092	omsecor.exe
2092	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 2416 set thread context of 1256	2416	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	30
PID 1936 set thread context of 1668	1936	omsecor.exe	32
PID 1140 set thread context of 2092	1140	omsecor.exe	36
PID 2020 set thread context of 3036	2020	omsecor.exe	38

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	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 1256	2416	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	30
PID 2416 wrote to memory of 1256	2416	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	30
PID 2416 wrote to memory of 1256	2416	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	30
PID 2416 wrote to memory of 1256	2416	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	30
PID 2416 wrote to memory of 1256	2416	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	30
PID 2416 wrote to memory of 1256	2416	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	30
PID 1256 wrote to memory of 1936	1256	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	31
PID 1256 wrote to memory of 1936	1256	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	31
PID 1256 wrote to memory of 1936	1256	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	31
PID 1256 wrote to memory of 1936	1256	cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe	31
PID 1936 wrote to memory of 1668	1936	omsecor.exe	32
PID 1936 wrote to memory of 1668	1936	omsecor.exe	32
PID 1936 wrote to memory of 1668	1936	omsecor.exe	32
PID 1936 wrote to memory of 1668	1936	omsecor.exe	32
PID 1936 wrote to memory of 1668	1936	omsecor.exe	32
PID 1936 wrote to memory of 1668	1936	omsecor.exe	32
PID 1668 wrote to memory of 1140	1668	omsecor.exe	35
PID 1668 wrote to memory of 1140	1668	omsecor.exe	35
PID 1668 wrote to memory of 1140	1668	omsecor.exe	35
PID 1668 wrote to memory of 1140	1668	omsecor.exe	35
PID 1140 wrote to memory of 2092	1140	omsecor.exe	36
PID 1140 wrote to memory of 2092	1140	omsecor.exe	36
PID 1140 wrote to memory of 2092	1140	omsecor.exe	36
PID 1140 wrote to memory of 2092	1140	omsecor.exe	36
PID 1140 wrote to memory of 2092	1140	omsecor.exe	36
PID 1140 wrote to memory of 2092	1140	omsecor.exe	36
PID 2092 wrote to memory of 2020	2092	omsecor.exe	37
PID 2092 wrote to memory of 2020	2092	omsecor.exe	37
PID 2092 wrote to memory of 2020	2092	omsecor.exe	37
PID 2092 wrote to memory of 2020	2092	omsecor.exe	37
PID 2020 wrote to memory of 3036	2020	omsecor.exe	38
PID 2020 wrote to memory of 3036	2020	omsecor.exe	38
PID 2020 wrote to memory of 3036	2020	omsecor.exe	38
PID 2020 wrote to memory of 3036	2020	omsecor.exe	38
PID 2020 wrote to memory of 3036	2020	omsecor.exe	38
PID 2020 wrote to memory of 3036	2020	omsecor.exe	38

C:\Users\Admin\AppData\Local\Temp\cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe
"C:\Users\Admin\AppData\Local\Temp\cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Users\Admin\AppData\Local\Temp\cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe
  C:\Users\Admin\AppData\Local\Temp\cc5b4d954e2a9c74cdc31a11f4322b8f0e1ac300f15a8ec2fad16d17aeca25ddN.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1256
- - C:\Users\Admin\AppData\Roaming\omsecor.exe
    C:\Users\Admin\AppData\Roaming\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1936
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1668
    - - 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:1140
      - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\SysWOW64\omsecor.exe
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2092
        
        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:2020
        
        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:3036

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
8362b05a1d1269f5706e261b5d82b3a5

SHA1
fd10f4492e66f099eedba60680dea87bae8812ce

SHA256
b306c43204d9539c4ec8c1beac0e2c70dc258a3cefc1fd33ff212cae7c3bdb27

SHA512
4d15a99df34f13ec8083edb6e2688ac4ee8189bc83c63e20b8869522cb1c7ad8e19376a7867f8d76826a3bc07435403689b5696079b3132924439cd6d1c1f6d3

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

Filesize
96KB

MD5
5378b0f28f798db088f0537dd2d228da

SHA1
566f7a0839e181cc05baba38e65af03263ecf006

SHA256
7ed0d971387f04376e3201c782a4958272ce9873aab61e1ab3d4fae9d2aea55c

SHA512
80dda468790355b3c2894d61dbbdc26358d3d867fc4c551742f2a16cf0c31af9e27ff2d0dd5df6b4a06284eaec99c9b421fe23cb7c97613a02dfcbb73008674d

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
96KB

MD5
758d1d009e6b08fa7ab9319844f9ab70

SHA1
caa1c85069b2ff92b7499ac575fd37f32aa02d00

SHA256
8df34e8c13998a4253cc32fa50678b9dba38754460e76b136537d78173cc2b76

SHA512
01ac1f91e559826780801be85730b25efe0f5c29acb1a8c283e9a3618a28b5efc6eb609d9e822c134a864e1796b122f2158464cac0538b8a0e93c35e51f80864

Download Submit
memory/1140-58-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1140-66-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1256-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1256-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1256-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1256-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1256-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1668-34-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1668-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1668-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1668-44-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1668-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1668-47-0x0000000000310000-0x0000000000333000-memory.dmp

Filesize
140KB

Download
memory/1668-52-0x0000000000310000-0x0000000000333000-memory.dmp

Filesize
140KB

Download
memory/1936-21-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1936-30-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2020-81-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2020-89-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2092-73-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/2416-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2416-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3036-91-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download