neconyd | 4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 00:51

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General

Target

JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe
Size

128KB
MD5

76ad31e7dce644b164e65c0c7df81ca0
SHA1

c7b06b97713a22f6206cd3361f54559c6b0470a7
SHA256

4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8
SHA512

e8048b5b820ce897d8fbab00fdd86d51c661aa23e86928912ce69d730fb5a83b2476dd6a3c34e9f252ec3bab0d3a4b3471bc8409a5076e82694fcf26e5c82cc7
SSDEEP

1536:8DfDbhERTatPLTLLbC+8BMNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabau:iiRTe3n8BMAW6J6f1tqF6dngNmaZrN

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
2668	omsecor.exe
2868	omsecor.exe
792	omsecor.exe
1696	omsecor.exe
2548	omsecor.exe
2412	omsecor.exe

Loads dropped DLL 7 IoCs

pid	Process
2832	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe
2832	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe
2668	omsecor.exe
2868	omsecor.exe
2868	omsecor.exe
1696	omsecor.exe
1696	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 2812 set thread context of 2832	2812	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe	30
PID 2668 set thread context of 2868	2668	omsecor.exe	32
PID 792 set thread context of 1696	792	omsecor.exe	36
PID 2548 set thread context of 2412	2548	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	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 2832	2812	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe	30
PID 2812 wrote to memory of 2832	2812	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe	30
PID 2812 wrote to memory of 2832	2812	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe	30
PID 2812 wrote to memory of 2832	2812	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe	30
PID 2812 wrote to memory of 2832	2812	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe	30
PID 2812 wrote to memory of 2832	2812	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe	30
PID 2832 wrote to memory of 2668	2832	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe	31
PID 2832 wrote to memory of 2668	2832	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe	31
PID 2832 wrote to memory of 2668	2832	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe	31
PID 2832 wrote to memory of 2668	2832	JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe	31
PID 2668 wrote to memory of 2868	2668	omsecor.exe	32
PID 2668 wrote to memory of 2868	2668	omsecor.exe	32
PID 2668 wrote to memory of 2868	2668	omsecor.exe	32
PID 2668 wrote to memory of 2868	2668	omsecor.exe	32
PID 2668 wrote to memory of 2868	2668	omsecor.exe	32
PID 2668 wrote to memory of 2868	2668	omsecor.exe	32
PID 2868 wrote to memory of 792	2868	omsecor.exe	35
PID 2868 wrote to memory of 792	2868	omsecor.exe	35
PID 2868 wrote to memory of 792	2868	omsecor.exe	35
PID 2868 wrote to memory of 792	2868	omsecor.exe	35
PID 792 wrote to memory of 1696	792	omsecor.exe	36
PID 792 wrote to memory of 1696	792	omsecor.exe	36
PID 792 wrote to memory of 1696	792	omsecor.exe	36
PID 792 wrote to memory of 1696	792	omsecor.exe	36
PID 792 wrote to memory of 1696	792	omsecor.exe	36
PID 792 wrote to memory of 1696	792	omsecor.exe	36
PID 1696 wrote to memory of 2548	1696	omsecor.exe	37
PID 1696 wrote to memory of 2548	1696	omsecor.exe	37
PID 1696 wrote to memory of 2548	1696	omsecor.exe	37
PID 1696 wrote to memory of 2548	1696	omsecor.exe	37
PID 2548 wrote to memory of 2412	2548	omsecor.exe	38
PID 2548 wrote to memory of 2412	2548	omsecor.exe	38
PID 2548 wrote to memory of 2412	2548	omsecor.exe	38
PID 2548 wrote to memory of 2412	2548	omsecor.exe	38
PID 2548 wrote to memory of 2412	2548	omsecor.exe	38
PID 2548 wrote to memory of 2412	2548	omsecor.exe	38

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76ad31e7dce644b164e65c0c7df81ca0.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2832
- - 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:2668
  - - 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:2868
    - - 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:792
      - 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:1696
        
        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:2548
        
        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:2412

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
128KB

MD5
b415cefe48c05bb32e7023595ca705b9

SHA1
f8153477a0f19160ba088b39d2bcafff5419bae1

SHA256
536f54393233929efc90f1042b06c39d0bd4806f54c50851d3323aeb3b34daef

SHA512
c27381a7960a16d7388fc144b5ba45168b2b7b2458b206544b0923fbf49f2f7ce2fcbb1a8f484f5dc883c94f8402ead6b15333929bf4d57513b12bc210fdcd8d

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

Filesize
128KB

MD5
8cef9564016438cda60c98cf30783d48

SHA1
503fabbd1f6f8c57e9e19d1c02aa0c7e4f5c5b35

SHA256
5dbcb3b179c611851e56499e462f01b44c33916c7e76c561ba430c47ea815b42

SHA512
3b54f05228fd0fdcbd3afbf1ee0a8ccf13ca0393e6814eac75d4f3d37f72e4f3cfd91a90c777a82f7958cf9c64d26a8ddbdc5e2a4eef8aaa49a76dd2489a3425

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
128KB

MD5
238278ba4774dead7b9b6ddc8a2a6dda

SHA1
3adaff8dd3cddb03588be0618c223fe43f128ca1

SHA256
0310185399c20646aa855a9488514b34bc1544a1db482d05e90bee8d0f0c2dd7

SHA512
0007df2c7f8022cf2f1ad82d10fe6c2dbc07b7466add7db08900bab6c2fdcfc7eeb3921f592afa838c2ea3525caac90935e4415a4dd61c58aa7b4b13ee368c92

Download Submit
memory/2412-78-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2412-75-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2832-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-0-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2832-6-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2832-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2832-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2868-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2868-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2868-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2868-34-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2868-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download