neconyd | 3f4dbe21b5ff09d0a6659fa8930f7e492d20855b69b5e5fed6de4ef3133ad3c9

Analysis

max time kernel
116s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 02:40

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General

Target

3f4dbe21b5ff09d0a6659fa8930f7e492d20855b69b5e5fed6de4ef3133ad3c9N.exe
Size

80KB
MD5

8c4c386190b625b32bd6f10b89289250
SHA1

b2ccd6e71e1b241fb65991f03b98b5ce012eea29
SHA256

3f4dbe21b5ff09d0a6659fa8930f7e492d20855b69b5e5fed6de4ef3133ad3c9
SHA512

d7d6b4157ab90eb6883b336c6d8c7e07f93f571ff0f4212e7ed0abc6b5ae17259fd2dec366e764a7f65026f506219e78ed05cb8cdeac36584dc3597b531a8039
SSDEEP

1536:9d9dseIOcE93bIvYvZEyF4EEOF6N4yS+AQmZcl/52izbR9XwzJ:1dseIOMEZEyFjEOFqTiQmOl/5xPvwV

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
3820	omsecor.exe
4596	omsecor.exe
4944	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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f4dbe21b5ff09d0a6659fa8930f7e492d20855b69b5e5fed6de4ef3133ad3c9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 3820	4584	3f4dbe21b5ff09d0a6659fa8930f7e492d20855b69b5e5fed6de4ef3133ad3c9N.exe	82
PID 4584 wrote to memory of 3820	4584	3f4dbe21b5ff09d0a6659fa8930f7e492d20855b69b5e5fed6de4ef3133ad3c9N.exe	82
PID 4584 wrote to memory of 3820	4584	3f4dbe21b5ff09d0a6659fa8930f7e492d20855b69b5e5fed6de4ef3133ad3c9N.exe	82
PID 3820 wrote to memory of 4596	3820	omsecor.exe	92
PID 3820 wrote to memory of 4596	3820	omsecor.exe	92
PID 3820 wrote to memory of 4596	3820	omsecor.exe	92
PID 4596 wrote to memory of 4944	4596	omsecor.exe	93
PID 4596 wrote to memory of 4944	4596	omsecor.exe	93
PID 4596 wrote to memory of 4944	4596	omsecor.exe	93

C:\Users\Admin\AppData\Local\Temp\3f4dbe21b5ff09d0a6659fa8930f7e492d20855b69b5e5fed6de4ef3133ad3c9N.exe
"C:\Users\Admin\AppData\Local\Temp\3f4dbe21b5ff09d0a6659fa8930f7e492d20855b69b5e5fed6de4ef3133ad3c9N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Users\Admin\AppData\Roaming\omsecor.exe
  C:\Users\Admin\AppData\Roaming\omsecor.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3820
- - C:\Windows\SysWOW64\omsecor.exe
    C:\Windows\System32\omsecor.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4596
  - - 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:4944

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
80KB

MD5
05d81149eba1d5ecbcfd34c1ac2a1d6a

SHA1
d2dbcc04d0ee57a619357038d1128d5f2728b67a

SHA256
d3f3ac4eb431374536bd812d5839c02fc05af767f41be4b1f6693e5a8eab38db

SHA512
52b188b574fa659619c44ecd9c044e7903c4deb8612ae769c89d247e7266d80691f763e38b586fcbd8dc0b76654c8874467c25567da042e6d71e186155627c71

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

Filesize
80KB

MD5
5df463b0c0fc9714cf99af9ea950dce3

SHA1
1894a4b4032f935f6b5d91cb2c2f4341825e6d05

SHA256
0f213501a710b1f8689c9537f33bac82ff9ba01536f34cff3482a881149fc211

SHA512
c18fb657a99db28027bd99ce9386fd5a5a903cd2fe787948944a2d9697be7ef35cb9827e55630abc5e076a12e94cb50c419539931692b48720fb8cc979cab648

Download Submit
C:\Windows\SysWOW64\omsecor.exe

Filesize
80KB

MD5
d12399b8a97e71bd2da1694a685d5930

SHA1
fbd6f9f0f1194a570a88b7641dd8aab3a7ccf0b7

SHA256
fce1d2f9f407e185f7828d2151b7d0864ed5c2b12970f830bbe7588a70eb8b31

SHA512
f35608be64b6cc88be3ea297133a36e1ef3b3b797541bb5947d1504933f0ff9eab144a81920a0b7074404e499729d8d355ee240789f082b48b724fecbae0cedb

Download Submit