neconyd | 61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c

Resubmissions

11-01-2025 14:05

250111-rd8exs1kcx 3

11-01-2025 13:50

250111-q5rqtazrft 10

Analysis

max time kernel
116s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 13:50

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General

Target

61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe
Size

134KB
MD5

fea7ad8323b536783fd6bb0663652f59
SHA1

6bed3ae0094ee8fcdb5ce7efa07e1779cb29f9c0
SHA256

61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c
SHA512

53ab11e1ab5ddec15a48447a85183182e5021078d8f68fec2113f62278ba3e610fd5a415040c094fde1ca1c8f478e7aa53151ec1457035aac31281dcfe0b459b
SSDEEP

1536:ADfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCi1:2iRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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
2276	omsecor.exe
2960	omsecor.exe
2028	omsecor.exe
2600	omsecor.exe
1396	omsecor.exe
2280	omsecor.exe

Loads dropped DLL 7 IoCs

pid	Process
3064	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe
3064	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe
2276	omsecor.exe
2960	omsecor.exe
2960	omsecor.exe
2600	omsecor.exe
2600	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 2124 set thread context of 3064	2124	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	30
PID 2276 set thread context of 2960	2276	omsecor.exe	32
PID 2028 set thread context of 2600	2028	omsecor.exe	35
PID 1396 set thread context of 2280	1396	omsecor.exe	37

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	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.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 36 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 3064	2124	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	30
PID 2124 wrote to memory of 3064	2124	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	30
PID 2124 wrote to memory of 3064	2124	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	30
PID 2124 wrote to memory of 3064	2124	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	30
PID 2124 wrote to memory of 3064	2124	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	30
PID 2124 wrote to memory of 3064	2124	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	30
PID 3064 wrote to memory of 2276	3064	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	31
PID 3064 wrote to memory of 2276	3064	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	31
PID 3064 wrote to memory of 2276	3064	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	31
PID 3064 wrote to memory of 2276	3064	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	31
PID 2276 wrote to memory of 2960	2276	omsecor.exe	32
PID 2276 wrote to memory of 2960	2276	omsecor.exe	32
PID 2276 wrote to memory of 2960	2276	omsecor.exe	32
PID 2276 wrote to memory of 2960	2276	omsecor.exe	32
PID 2276 wrote to memory of 2960	2276	omsecor.exe	32
PID 2276 wrote to memory of 2960	2276	omsecor.exe	32
PID 2960 wrote to memory of 2028	2960	omsecor.exe	34
PID 2960 wrote to memory of 2028	2960	omsecor.exe	34
PID 2960 wrote to memory of 2028	2960	omsecor.exe	34
PID 2960 wrote to memory of 2028	2960	omsecor.exe	34
PID 2028 wrote to memory of 2600	2028	omsecor.exe	35
PID 2028 wrote to memory of 2600	2028	omsecor.exe	35
PID 2028 wrote to memory of 2600	2028	omsecor.exe	35
PID 2028 wrote to memory of 2600	2028	omsecor.exe	35
PID 2028 wrote to memory of 2600	2028	omsecor.exe	35
PID 2028 wrote to memory of 2600	2028	omsecor.exe	35
PID 2600 wrote to memory of 1396	2600	omsecor.exe	36
PID 2600 wrote to memory of 1396	2600	omsecor.exe	36
PID 2600 wrote to memory of 1396	2600	omsecor.exe	36
PID 2600 wrote to memory of 1396	2600	omsecor.exe	36
PID 1396 wrote to memory of 2280	1396	omsecor.exe	37
PID 1396 wrote to memory of 2280	1396	omsecor.exe	37
PID 1396 wrote to memory of 2280	1396	omsecor.exe	37
PID 1396 wrote to memory of 2280	1396	omsecor.exe	37
PID 1396 wrote to memory of 2280	1396	omsecor.exe	37
PID 1396 wrote to memory of 2280	1396	omsecor.exe	37

C:\Users\Admin\AppData\Local\Temp\61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe
"C:\Users\Admin\AppData\Local\Temp\61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe
  C:\Users\Admin\AppData\Local\Temp\61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe
  2⤵
  - Loads dropped DLL
  - 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
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2276
  - - 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:2960
    - - 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:2028
      - 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:2600
        
        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:1396
        
        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:2280

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

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

Filesize
134KB

MD5
c1fe695375d2e048de9f2c2170b0273e

SHA1
74443b5ab666259067a70bb3a811dd63574a8875

SHA256
4aface4922107c79758b239da148407beedfb12280c4a661536a13b462d3ad2c

SHA512
68de2172caa59c09e0db3e0e4708a99780ef1ca5ea34e7c5badc746812e6ff29bf1ec06af0c08c8d91e22341f469cca99837bbff519212a0aa4fad07b51b4897

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

Filesize
134KB

MD5
e01ba78370c95210ce159b2ad3f1becb

SHA1
d9850fdd8303422aef1523a05803dec391f8a570

SHA256
e083332ba327f250ed76f8de48444facbb64e97d9a00c52dfbc87c5077cd5420

SHA512
3a9f0c235bf9f1050b072bee94043c5410a22fc377b072bbe6e0bf0e1ed78fe8e99430f24b9b39aa732bc4795f14cbdcb9ebd6e84c0a37f0f9f18cded00236b5

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
134KB

MD5
e40998b8ca1e1de4f3c685223b8f9c72

SHA1
c26ca245d2b7251228906a6240259ebbc41c3f3f

SHA256
51698083c454fc9282fab2c89369acc5c625095de5b99e45f7b759e7b5126303

SHA512
6807782ff03d62e65a860d4310b31c3933f8a246d71b0715c26264478efb978ce3b129b0d02ce9972a11e787845933657b3cf46daa642ea24e1140637098151f

Download Submit
memory/1396-86-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1396-79-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2028-65-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2028-57-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2124-34-0x0000000000230000-0x0000000000254000-memory.dmp

Filesize
144KB

Download
memory/2124-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2124-8-0x0000000000230000-0x0000000000254000-memory.dmp

Filesize
144KB

Download
memory/2124-6-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2276-22-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2276-30-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2280-88-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2600-77-0x00000000003B0000-0x00000000003D4000-memory.dmp

Filesize
144KB

Download
memory/2960-44-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2960-47-0x0000000000380000-0x00000000003A4000-memory.dmp

Filesize
144KB

Download
memory/2960-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2960-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2960-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2960-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3064-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3064-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3064-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3064-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3064-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3064-14-0x00000000003D0000-0x00000000003F4000-memory.dmp

Filesize
144KB

Download