neconyd | 2c99d3578394a65038d337854898f2457dc1e8dbc60d72718ca877e211ad7a36

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
08-01-2025 03:06

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General

Target

JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe
Size

3.2MB
MD5

87d31d88399faf096dde6c4a8e496d47
SHA1

2d703789c6c4bb14fab288be135a2d7a37f35b28
SHA256

2c99d3578394a65038d337854898f2457dc1e8dbc60d72718ca877e211ad7a36
SHA512

f75b53ca5d7e430604b2521fe4dccf0bc3f5576a76a46d6d4d4f6a931a9da89eebc763a9f7e252fe6167fd764cd0bba5e01c5d865593e9e06b42e23fcb9b09bf
SSDEEP

24576:0OsfW+/6oTFwh3Qh3YZrxEu8CL7W2Y7TjtWDlp5DB:V6W+TFq6IZj8N2Y7T5GF

Score

10^/10

neconyd discovery trojan

Malware Config

Signatures

Neconyd
Neconyd is a trojan written in C++.
trojan neconyd
Neconyd family
neconyd

Executes dropped EXE 3 IoCs

pid	Process
2972	omsecor.exe
2328	omsecor.exe
300	omsecor.exe

Loads dropped DLL 6 IoCs

pid	Process
1720	JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe
1720	JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe
2972	omsecor.exe
2972	omsecor.exe
2328	omsecor.exe
2328	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_87d31d88399faf096dde6c4a8e496d47.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 1720 wrote to memory of 2972	1720	JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe	30
PID 1720 wrote to memory of 2972	1720	JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe	30
PID 1720 wrote to memory of 2972	1720	JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe	30
PID 1720 wrote to memory of 2972	1720	JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe	30
PID 2972 wrote to memory of 2328	2972	omsecor.exe	33
PID 2972 wrote to memory of 2328	2972	omsecor.exe	33
PID 2972 wrote to memory of 2328	2972	omsecor.exe	33
PID 2972 wrote to memory of 2328	2972	omsecor.exe	33
PID 2328 wrote to memory of 300	2328	omsecor.exe	34
PID 2328 wrote to memory of 300	2328	omsecor.exe	34
PID 2328 wrote to memory of 300	2328	omsecor.exe	34
PID 2328 wrote to memory of 300	2328	omsecor.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1720
- 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:2972
- - 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:2328
  - - 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:300

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
3.2MB

MD5
66e4cf733fcd3d93e1b75c4a56ee4863

SHA1
9333beb68df3787ecd7aa42ad2c4d58155ec03b9

SHA256
0569b73e6434855c64e5d529168a0e316b08d8ec924e36391bde48aafd3ce58e

SHA512
1723e92f9900148181c16a420dd6c21312ba145ba708fcc3bafacb5fd1addb003f34fbed1dfbb41371676273c3bac9744a0184d835bd6dc255ba20360975f309

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

Filesize
3.2MB

MD5
02263993f58b91a0c47456eb60ce9925

SHA1
ed3e49b4bf0ddd0b807952c6674a53f6f8699097

SHA256
18ada68bc0b6fa5765506f409d35cf7a23f22ca4c486c51004e3b06cb2646e78

SHA512
636ae03960059e889615ac3c7ca5abf5a735d90d5118b4df88f8841951381440db8fa68cd1dcb2e8baa4eca5374a2731c91cefc985b1bde0920fb75811bf2c85

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
3.2MB

MD5
384f483b7d6614ab1123826240d37bc5

SHA1
7637e5d5d6d69866e2d49a58c081af500568ec90

SHA256
d1b1e029a625d4318a99c61cb975550b572a6e00e63cab7b2a1ae4631e0af553

SHA512
4ed069ea837f675f4efd663b2fbcbcd030af5272f935568bcb06bbafdca50200e0c44e9d6b54cc5d0e1005faf7757236dcbb6976a35ea44ff9e2455ccf7b85ce

Download Submit