neconyd | 5d8f6b81dfd784dcf6cf046790c49f5450fd94179a47b79bca98f70b991a0278

Analysis

max time kernel
146s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 20:35

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General

Target

JaffaCakes118_d1c0397f95c70d883635c76d911a9d34.exe
Size

68KB
MD5

d1c0397f95c70d883635c76d911a9d34
SHA1

a38db2e6e202fcc2e518ab10bc469bee5c188257
SHA256

5d8f6b81dfd784dcf6cf046790c49f5450fd94179a47b79bca98f70b991a0278
SHA512

9c2d990971ae034c69283a76933b35e4f93e32df5e5d885af8dd1e534974005c65af85482799bb6aa65e1afc0e03abec02c1c1273805e17f66cd8ea7a1fe0d71
SSDEEP

768:5MEIvFGvZEr8LFK0ic46N47eSdYAHwmZGp6JXXlaa5uA:5bIvYvZEyFKF6N4yS+AQmZTl/5

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 3 IoCs

pid	Process
2404	omsecor.exe
1792	omsecor.exe
1224	omsecor.exe

Loads dropped DLL 6 IoCs

pid	Process
1704	JaffaCakes118_d1c0397f95c70d883635c76d911a9d34.exe
1704	JaffaCakes118_d1c0397f95c70d883635c76d911a9d34.exe
2404	omsecor.exe
2404	omsecor.exe
1792	omsecor.exe
1792	omsecor.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	JaffaCakes118_d1c0397f95c70d883635c76d911a9d34.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 12 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 2404	1704	JaffaCakes118_d1c0397f95c70d883635c76d911a9d34.exe	30
PID 1704 wrote to memory of 2404	1704	JaffaCakes118_d1c0397f95c70d883635c76d911a9d34.exe	30
PID 1704 wrote to memory of 2404	1704	JaffaCakes118_d1c0397f95c70d883635c76d911a9d34.exe	30
PID 1704 wrote to memory of 2404	1704	JaffaCakes118_d1c0397f95c70d883635c76d911a9d34.exe	30
PID 2404 wrote to memory of 1792	2404	omsecor.exe	33
PID 2404 wrote to memory of 1792	2404	omsecor.exe	33
PID 2404 wrote to memory of 1792	2404	omsecor.exe	33
PID 2404 wrote to memory of 1792	2404	omsecor.exe	33
PID 1792 wrote to memory of 1224	1792	omsecor.exe	34
PID 1792 wrote to memory of 1224	1792	omsecor.exe	34
PID 1792 wrote to memory of 1224	1792	omsecor.exe	34
PID 1792 wrote to memory of 1224	1792	omsecor.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d1c0397f95c70d883635c76d911a9d34.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d1c0397f95c70d883635c76d911a9d34.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Users\Admin\AppData\Roaming\omsecor.exe
  C:\Users\Admin\AppData\Roaming\omsecor.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2404
- - C:\Windows\SysWOW64\omsecor.exe
    C:\Windows\System32\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1792
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1224

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

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

Filesize
68KB

MD5
c99b6b58f27735c8fd06ecce7dffd029

SHA1
bbd74f4e877fd149006be112823cf47e06f8348c

SHA256
4bcd9058a25b2c69e46ccd2455f1e0f8df0f86147996086d94f1330e8ff3e5cd

SHA512
3408603fc5acd076af622b21ede0fe7178cedc628819d7232ad18427039457c575a1767c1c94e4348206fa8ece912b7ff64b5e2dfb910cf8c2cb8d5aae429a60

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

Filesize
68KB

MD5
7f86ccfd9beee3f3aab42c09d974aa8e

SHA1
cf112ceba34535e4d7d85a5a9f29a780ea48716d

SHA256
805ac85a677aefdb135992f5ace9d975d34f808b2dcf885633ba796f5e8fec5a

SHA512
89ff304f0ba7ed20cd5ca28a21419d16b21fb4511ba6c52767aa6e93271f17e38af617e1b89b4a561443a5aade135f22f0fd6a5eb2e38e4c6f9f57e72d506064

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\Windows\SysWOW64\omsecor.exe

Filesize
68KB

MD5
87779ef1161deb677d806d1a426b51fb

SHA1
d41e04768d8090016a164da2ee62054c6b882242

SHA256
9438f3290b4af3b35a76affe6138691ebc67ea63f8514d4204c4e7448ff1465c

SHA512
3cc59910d04ed68d7e469710fe0e4ae6fa3856ceb9a656c1aadaa42d67e5ff72f0626eb5f64699585511e5b4c5fbdb944133547edd4ecdaab7d47ef565c2580a

Download Submit