neconyd | 2c99d3578394a65038d337854898f2457dc1e8dbc60d72718ca877e211ad7a36

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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
4728	omsecor.exe
2576	omsecor.exe
3484	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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 4728	3272	JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe	83
PID 3272 wrote to memory of 4728	3272	JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe	83
PID 3272 wrote to memory of 4728	3272	JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe	83
PID 4728 wrote to memory of 2576	4728	omsecor.exe	101
PID 4728 wrote to memory of 2576	4728	omsecor.exe	101
PID 4728 wrote to memory of 2576	4728	omsecor.exe	101
PID 2576 wrote to memory of 3484	2576	omsecor.exe	102
PID 2576 wrote to memory of 3484	2576	omsecor.exe	102
PID 2576 wrote to memory of 3484	2576	omsecor.exe	102

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87d31d88399faf096dde6c4a8e496d47.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3272
- 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:4728
- - 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:2576
  - - 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:3484

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
3.2MB

MD5
66e4cf733fcd3d93e1b75c4a56ee4863

SHA1
9333beb68df3787ecd7aa42ad2c4d58155ec03b9

SHA256
0569b73e6434855c64e5d529168a0e316b08d8ec924e36391bde48aafd3ce58e

SHA512
1723e92f9900148181c16a420dd6c21312ba145ba708fcc3bafacb5fd1addb003f34fbed1dfbb41371676273c3bac9744a0184d835bd6dc255ba20360975f309

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

Filesize
3.2MB

MD5
1077a035c51761f010237ecd24e3c955

SHA1
b885dd1859415f2bb4e5c23baa83ac8bad6385b8

SHA256
828259939db4c13c7a430a6bdd89c263fc31512d9f041e062e325813f46166bf

SHA512
3bc9c6a67af2363a0664d4c2cb141d0e442478369d51f439c3d113ce594b4dad949ebd509e2a0dd14ac43244bb17901f4e9d41c61c9ef36aa27f12e640c496a7

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

Filesize
3.2MB

MD5
4cffd9170ec22398f8122b354c2b753a

SHA1
abf26bc34fa7caae5242f3f19d605d1ef86710ef

SHA256
3967af2a070187a2d90977067622ae5960dc47a2a8c5e443a5577af25747bd32

SHA512
aad911dca99d60bab2f8e0e3a9d65beb54feffa8b234b30ef899f460a8e78db745cafb4e187e6ff07e0eb32d4619e215e8ed25ac4c87cd8f116050ac46cf92df

Download Submit