neconyd | 4c9b7dfdee5be1f7f0a9cf8f956356b714af56ea4d0be0d68fbddbbbd1d45b83

Analysis

max time kernel
114s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 22:37

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General

Target

00a315aaac97173b5fe64ad100cb4e50N.exe
Size

35KB
MD5

00a315aaac97173b5fe64ad100cb4e50
SHA1

e921047c84a3b220d49977e77774c2d23fa28513
SHA256

4c9b7dfdee5be1f7f0a9cf8f956356b714af56ea4d0be0d68fbddbbbd1d45b83
SHA512

1ef40587b1142e5a112847e4517703e1f9a50a1c672902fb3d0c34fc8bcf39724c80bf78c4180209a3ac458a526c288ffb95a4087f58b991bf39e679547d3366
SSDEEP

768:j6vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpB:e8Z0kA7FHlO2OwOTUtKjpB

Score

10^/10

neconyd discovery 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 2 IoCs

pid	Process
896	omsecor.exe
1452	omsecor.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1124-0-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/896-5-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/1124-7-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x00090000000233ed-4.dat	upx
behavioral2/memory/896-8-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/896-11-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/896-14-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/896-15-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x000c000000021a6e-18.dat	upx
behavioral2/memory/1452-19-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/896-22-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/1452-23-0x0000000000400000-0x000000000042D000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\merocz.xc6	omsecor.exe
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	00a315aaac97173b5fe64ad100cb4e50N.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 6 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 896	1124	00a315aaac97173b5fe64ad100cb4e50N.exe	83
PID 1124 wrote to memory of 896	1124	00a315aaac97173b5fe64ad100cb4e50N.exe	83
PID 1124 wrote to memory of 896	1124	00a315aaac97173b5fe64ad100cb4e50N.exe	83
PID 896 wrote to memory of 1452	896	omsecor.exe	97
PID 896 wrote to memory of 1452	896	omsecor.exe	97
PID 896 wrote to memory of 1452	896	omsecor.exe	97

C:\Users\Admin\AppData\Local\Temp\00a315aaac97173b5fe64ad100cb4e50N.exe
"C:\Users\Admin\AppData\Local\Temp\00a315aaac97173b5fe64ad100cb4e50N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1124
- 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:896
- - C:\Windows\SysWOW64\omsecor.exe
    C:\Windows\System32\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    PID:1452

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
35KB

MD5
6f3b7e99495037e649d56b3dc2caa544

SHA1
f7f77af41d722fa0ebb16c7349f268dac5466014

SHA256
03bddd16e186ae253d3e89363c8e5f0aa3fee3bad5499908d06d7316186e3753

SHA512
56f03a4ef0174c754d3e1411ac8dbef9e442caf5d34afa9f2161146e0ed5fa48392321cd0fe46dac86576ae47533eb124808666c853af799ee3638f73a1db3bb

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

Filesize
35KB

MD5
15ead224227a015ab61818d94126543f

SHA1
cfd84dafde4ddcf843352ae820abbc185a23d0e5

SHA256
b83b94c1185f596dc7ab2ff2d616ee98bb7b392b3c00b58b4fbcaf81a13124a2

SHA512
548d81e8dd00fd8e17216747fbc9adc8f75a93163f6492d1cfcccb2a0ecae85eea5351b1be8037910ad687eeb5441bd3625bcccb98dd452130803fa66480cb4e

Download Submit
memory/896-5-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/896-8-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/896-11-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/896-14-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/896-15-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/896-22-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1124-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1124-7-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1452-19-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1452-23-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download