neconyd | b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99

Analysis

max time kernel
150s
max time network
130s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 07:20

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General

Target

b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
Size

96KB
MD5

606343d6951c53f2035ed0d62ba8c618
SHA1

cd2dd8d2ad3fa6dbf282b61046b4209ee70b8d5f
SHA256

b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99
SHA512

6a06c41361d0c21dc652a0821855c1c45c210078f68ff306e403b56d133b2ff7565c67de78c4f70195adefe26fdc9cbf5df831783766e8b513b5ea33b7cf3478
SSDEEP

1536:3nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:3Gs8cd8eXlYairZYqMddH13b

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
2380	omsecor.exe
2560	omsecor.exe
1864	omsecor.exe
272	omsecor.exe
3064	omsecor.exe
2492	omsecor.exe

Loads dropped DLL 7 IoCs

pid	Process
1396	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
1396	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
2380	omsecor.exe
2560	omsecor.exe
2560	omsecor.exe
272	omsecor.exe
272	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 2300 set thread context of 1396	2300	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	30
PID 2380 set thread context of 2560	2380	omsecor.exe	33
PID 1864 set thread context of 272	1864	omsecor.exe	36
PID 3064 set thread context of 2492	3064	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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 1396	2300	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	30
PID 2300 wrote to memory of 1396	2300	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	30
PID 2300 wrote to memory of 1396	2300	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	30
PID 2300 wrote to memory of 1396	2300	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	30
PID 2300 wrote to memory of 1396	2300	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	30
PID 2300 wrote to memory of 1396	2300	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	30
PID 1396 wrote to memory of 2380	1396	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	31
PID 1396 wrote to memory of 2380	1396	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	31
PID 1396 wrote to memory of 2380	1396	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	31
PID 1396 wrote to memory of 2380	1396	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	31
PID 2380 wrote to memory of 2560	2380	omsecor.exe	33
PID 2380 wrote to memory of 2560	2380	omsecor.exe	33
PID 2380 wrote to memory of 2560	2380	omsecor.exe	33
PID 2380 wrote to memory of 2560	2380	omsecor.exe	33
PID 2380 wrote to memory of 2560	2380	omsecor.exe	33
PID 2380 wrote to memory of 2560	2380	omsecor.exe	33
PID 2560 wrote to memory of 1864	2560	omsecor.exe	35
PID 2560 wrote to memory of 1864	2560	omsecor.exe	35
PID 2560 wrote to memory of 1864	2560	omsecor.exe	35
PID 2560 wrote to memory of 1864	2560	omsecor.exe	35
PID 1864 wrote to memory of 272	1864	omsecor.exe	36
PID 1864 wrote to memory of 272	1864	omsecor.exe	36
PID 1864 wrote to memory of 272	1864	omsecor.exe	36
PID 1864 wrote to memory of 272	1864	omsecor.exe	36
PID 1864 wrote to memory of 272	1864	omsecor.exe	36
PID 1864 wrote to memory of 272	1864	omsecor.exe	36
PID 272 wrote to memory of 3064	272	omsecor.exe	37
PID 272 wrote to memory of 3064	272	omsecor.exe	37
PID 272 wrote to memory of 3064	272	omsecor.exe	37
PID 272 wrote to memory of 3064	272	omsecor.exe	37
PID 3064 wrote to memory of 2492	3064	omsecor.exe	38
PID 3064 wrote to memory of 2492	3064	omsecor.exe	38
PID 3064 wrote to memory of 2492	3064	omsecor.exe	38
PID 3064 wrote to memory of 2492	3064	omsecor.exe	38
PID 3064 wrote to memory of 2492	3064	omsecor.exe	38
PID 3064 wrote to memory of 2492	3064	omsecor.exe	38

C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
"C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
  C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1396
- - 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:2380
  - - 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:2560
    - - 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:1864
      - 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:272
        
        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:3064
        
        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:2492

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

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Downloads

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

Filesize
96KB

MD5
2f21ddcb3b74b8fef02ab6bcd12a70a7

SHA1
80e3e6070bd26b46cd745193a67b7bf3f4f5925e

SHA256
775d1989558c854244fe8943b6d77122fb51126a2be888a0f920365ad2e6f4d5

SHA512
34b806b6fd70b6e4f31a46757c2bbe29528c22f3197217d195cf3ed37b532ad53c3a08269786c3d8deb9bb9a98b0a3975984db1e35cb0296a91f00e7a29f10e1

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

Filesize
96KB

MD5
90ea0a51ec7efff3c78c3f983607a83d

SHA1
e3b0c5a2fd856f7e7bff4c10c29b6024f3b9851d

SHA256
3b4584508c76450152f07c764966ff943c0261354ae0d16b1f58387cf2d37f46

SHA512
11459b24f1890ef949e6e9307a2b1cecde6e2acbe9600b62d731da2f3ac3b8a5e3efc586032221292565fd38714d6281e14bad0feef332f946e492db99ed56d1

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
96KB

MD5
3d8ccdbe0410d2a37671757093590e21

SHA1
6f45dce5d44464560451f0bb544a1244c9087dc7

SHA256
a01ace678d32d977c2861e23d39e112f87730628a6e432b550df177d0507a9dd

SHA512
cf7de9711a472eb62b60a8de0c5072533c3e53d9712e9fbe6cfa63e80ffd22ea374ceaac9178443d8356a2a16cd92cd4e074b4bfb90d341826eb13eac514b1ea

Download Submit
memory/272-78-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/272-76-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/1396-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1396-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1396-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1396-13-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/1396-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1396-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1864-56-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1864-66-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2300-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2300-35-0x0000000000260000-0x0000000000283000-memory.dmp

Filesize
140KB

Download
memory/2300-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2380-22-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2380-31-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2492-93-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2492-90-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2560-47-0x0000000000310000-0x0000000000333000-memory.dmp

Filesize
140KB

Download
memory/2560-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2560-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2560-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2560-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2560-43-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3064-80-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3064-88-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download