neconyd | f3e23a69b9ecbed6c605290c8e00dd09976f24b686bcbb18784b0d81da22d665

Analysis

max time kernel
114s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
22/07/2024, 23:38

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General

Target

2dd069da99cf55a18fd2ebdd016e6ba0N.exe
Size

35KB
MD5

2dd069da99cf55a18fd2ebdd016e6ba0
SHA1

7d741c26b775b651ef58356fb12302f2d1a10211
SHA256

f3e23a69b9ecbed6c605290c8e00dd09976f24b686bcbb18784b0d81da22d665
SHA512

79ec9c897b49d7127d00f5e812f3fe86ecf379f3a3c4ac2a3c2e701d3be2db3469f023a971bc5567ff75a472cccee944a8376c99f3ca5704779d0bf1bb76af79
SSDEEP

768:N6vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpB:A8Z0kA7FHlO2OwOTUtKjpB

Score

10^/10

neconyd trojan upx

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

Executes dropped EXE 3 IoCs

pid	Process
4524	omsecor.exe
116	omsecor.exe
2276	omsecor.exe

UPX packed file 15 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1444-0-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x0009000000023474-3.dat	upx
behavioral2/memory/4524-4-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/1444-6-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4524-8-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4524-11-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4524-14-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4524-15-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x000400000001e744-18.dat	upx
behavioral2/memory/4524-21-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/116-22-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x0009000000023474-25.dat	upx
behavioral2/memory/116-27-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/2276-28-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/2276-30-0x0000000000400000-0x000000000042D000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 4524	1444	2dd069da99cf55a18fd2ebdd016e6ba0N.exe	84
PID 1444 wrote to memory of 4524	1444	2dd069da99cf55a18fd2ebdd016e6ba0N.exe	84
PID 1444 wrote to memory of 4524	1444	2dd069da99cf55a18fd2ebdd016e6ba0N.exe	84
PID 4524 wrote to memory of 116	4524	omsecor.exe	100
PID 4524 wrote to memory of 116	4524	omsecor.exe	100
PID 4524 wrote to memory of 116	4524	omsecor.exe	100
PID 116 wrote to memory of 2276	116	omsecor.exe	101
PID 116 wrote to memory of 2276	116	omsecor.exe	101
PID 116 wrote to memory of 2276	116	omsecor.exe	101

C:\Users\Admin\AppData\Local\Temp\2dd069da99cf55a18fd2ebdd016e6ba0N.exe
"C:\Users\Admin\AppData\Local\Temp\2dd069da99cf55a18fd2ebdd016e6ba0N.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Users\Admin\AppData\Roaming\omsecor.exe
  C:\Users\Admin\AppData\Roaming\omsecor.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4524
- - C:\Windows\SysWOW64\omsecor.exe
    C:\Windows\System32\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:116
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      PID:2276

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

Filesize
35KB

MD5
ccf9e10cf977b7c23a7f2a8345bc5b5b

SHA1
e67da844befed8bc9b84afc0783da3ad87cf7844

SHA256
780d8192b2b5d43a856bb2657d5f26d03bed480c2ec44a9ce06083e0ac339b85

SHA512
19459ccaf4538163e31cc8694f86d8308fd8c3fe8c3d369193e12ac5762be839f1a2d41e0c5b4e03ae83f1aa891be4128e718de5a451555f7793351d11cb12b1

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

Filesize
35KB

MD5
923f64bb856b9462a3d7b7042a00eed1

SHA1
08d353bda5535bab6dd039027025592f43782f7d

SHA256
7c3b47509a049218ac27af0e62a2b659e1a6d6284799beaccc7fa29f321b1851

SHA512
b49071aad3f40f39669fee5830431db523607bed5a65a47840bb60b88d090c70eb607072658d3e9093cc61a73753bb191922259c4efc8ae67717c38a58fac34b

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

Filesize
35KB

MD5
813ed8527c066be3ed25d0607da96022

SHA1
af0aea0fb03d11636089852bd059d785b9ed2b74

SHA256
f0063b5b554d192d6155186577277b80257ce252ef8eabd996a27423a01b3421

SHA512
183733d780c55ad4dbbc8cef6edc4b7ca74b7c3a9157f5d7e83d38a8f86225cd35598780b0b8e09ac2945dc9946b49eccfc4779f7bf8a042d61269937c3156a5

Download Submit
memory/116-22-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/116-27-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1444-6-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1444-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2276-30-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2276-28-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4524-14-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4524-21-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4524-15-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4524-11-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4524-8-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4524-4-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download