neconyd | c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2025 20:16

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General

Target

c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe
Size

96KB
MD5

31259142051fb5b341551ad51cae55c9
SHA1

d04b24a96b510995a7d7f6f665bf9eef5a480829
SHA256

c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f
SHA512

1ebfccf6797b9520bc07b30ea35935cd33770559cd9c9d78da6081988c002fad1e7587f45192f9a6853b9447a0b2e674a33f8ad1f411400efc820ff3415ccfbe
SSDEEP

1536:BnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxB:BGs8cd8eXlYairZYqMddH13B

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
2336	omsecor.exe
1876	omsecor.exe
2652	omsecor.exe
1648	omsecor.exe
2584	omsecor.exe
3108	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 2252 set thread context of 4872	2252	c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe	82
PID 2336 set thread context of 1876	2336	omsecor.exe	87
PID 2652 set thread context of 1648	2652	omsecor.exe	108
PID 2584 set thread context of 3108	2584	omsecor.exe	112

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2276	2252	WerFault.exe	81
4980	2336	WerFault.exe	85
2912	2652	WerFault.exe	107
4268	2584	WerFault.exe	110

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	c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 4872	2252	c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe	82
PID 2252 wrote to memory of 4872	2252	c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe	82
PID 2252 wrote to memory of 4872	2252	c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe	82
PID 2252 wrote to memory of 4872	2252	c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe	82
PID 2252 wrote to memory of 4872	2252	c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe	82
PID 4872 wrote to memory of 2336	4872	c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe	85
PID 4872 wrote to memory of 2336	4872	c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe	85
PID 4872 wrote to memory of 2336	4872	c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe	85
PID 2336 wrote to memory of 1876	2336	omsecor.exe	87
PID 2336 wrote to memory of 1876	2336	omsecor.exe	87
PID 2336 wrote to memory of 1876	2336	omsecor.exe	87
PID 2336 wrote to memory of 1876	2336	omsecor.exe	87
PID 2336 wrote to memory of 1876	2336	omsecor.exe	87
PID 1876 wrote to memory of 2652	1876	omsecor.exe	107
PID 1876 wrote to memory of 2652	1876	omsecor.exe	107
PID 1876 wrote to memory of 2652	1876	omsecor.exe	107
PID 2652 wrote to memory of 1648	2652	omsecor.exe	108
PID 2652 wrote to memory of 1648	2652	omsecor.exe	108
PID 2652 wrote to memory of 1648	2652	omsecor.exe	108
PID 2652 wrote to memory of 1648	2652	omsecor.exe	108
PID 2652 wrote to memory of 1648	2652	omsecor.exe	108
PID 1648 wrote to memory of 2584	1648	omsecor.exe	110
PID 1648 wrote to memory of 2584	1648	omsecor.exe	110
PID 1648 wrote to memory of 2584	1648	omsecor.exe	110
PID 2584 wrote to memory of 3108	2584	omsecor.exe	112
PID 2584 wrote to memory of 3108	2584	omsecor.exe	112
PID 2584 wrote to memory of 3108	2584	omsecor.exe	112
PID 2584 wrote to memory of 3108	2584	omsecor.exe	112
PID 2584 wrote to memory of 3108	2584	omsecor.exe	112

C:\Users\Admin\AppData\Local\Temp\c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe
"C:\Users\Admin\AppData\Local\Temp\c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Users\Admin\AppData\Local\Temp\c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe
  C:\Users\Admin\AppData\Local\Temp\c2bb4cd1253f1c220eddd298ddf39c376c6902401643b0f42eb09b5432fc134f.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4872
- - C:\Users\Admin\AppData\Roaming\omsecor.exe
    C:\Users\Admin\AppData\Roaming\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2336
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1876
    - - 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:2652
      - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\SysWOW64\omsecor.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1648
        
        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:2584
        
        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:3108
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 256
        8⤵
        Program crash
        
        PID:4268
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 292
        6⤵
        Program crash
        
        PID:2912
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2336 -s 288
      4⤵
      Program crash
      PID:4980
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 300
  2⤵
  - Program crash
  PID:2276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2252 -ip 2252
1⤵
PID:3516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2336 -ip 2336
1⤵
PID:3896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2652 -ip 2652
1⤵
PID:1128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2584 -ip 2584
1⤵
PID:4780

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

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

Filesize
96KB

MD5
80e4763f4d972cb87d834c87b9e4c0d5

SHA1
9716529b023699fc743294f4a7a4b0a7dd6d48c7

SHA256
f8a42ce7d46826dd3a471efc9a96518f824c463d0e9c19206dc66eebf16b971c

SHA512
285f6deeca754a254133cae320f1a66d7cf4f5d1a60bdb808bd7b73ddf6d823c0d791507abd5c22964518180ea25c1be6822bdf0e6fbaf4570ca328ede510e2d

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

Filesize
96KB

MD5
1394437ad8788e301cf61e016eb630ca

SHA1
6fb4d8f881095f187d85fcebeb9adc44f465cf43

SHA256
f103bf3214dc49e03a62c5f5505e434a24589e506c6a67662cee51755c771842

SHA512
05355783c0c3c113871df10741c420d890d857bd691634666cdc2e2a95e2bd2cc35ef94a50489a8c66e667b434006fa4086c0d540bd8a978c07ec692dfc72612

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

Filesize
96KB

MD5
645f9c921f16d805029cc18db0cc1e4a

SHA1
31089a18fdca10dd1de5f9afb11450e82c9522e0

SHA256
fdd852e34e08424d9a64a377a01a8f51c29c613dc33df7a5863b3495375e973b

SHA512
5305fb5fe42b785154e7e01dec46e07d49b79224d94f885f2cd66a10b620514d0ecd9d11762c3f516b5ac20100813aeed4e3d305c5464246ca5140a9aa26f6f4

Download Submit
memory/1648-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1648-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1648-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1876-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1876-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1876-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1876-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1876-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1876-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1876-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2252-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2252-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2336-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2336-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2584-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2584-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2652-33-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2652-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3108-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3108-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3108-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4872-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4872-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4872-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4872-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download