neconyd | 497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54

General

Target

497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe
Size

35KB
MD5

aa613a8bd25bc214a676cac7f0abedff
SHA1

6bf050d95858ae02be396e8edf26087510d8d5f7
SHA256

497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54
SHA512

502873de7479dfc73e92076ec09299f3dfaad4f3e1fed373e85683c4bcdf0c78acd47ab3784a8e525b68cb5c2ec1c0f554ec202fa01436ed396f5746485ed517
SSDEEP

768:K6vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpBn:J8Z0kA7FHlO2OwOTUtKjpBn

Score

10^/10

neconyd discovery trojan upx

Malware Config

Extracted

Family

neconyd

C2

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 2 IoCs

pid	Process
3508	omsecor.exe
3076	omsecor.exe

Drops file in System32 directory 2 IoCs

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

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2468-0-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x000a000000023c4e-3.dat	upx
behavioral2/memory/3508-4-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/2468-7-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/3508-8-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/3508-11-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/3508-14-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/3508-15-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x0002000000021f51-18.dat	upx
behavioral2/memory/3076-19-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/3508-20-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/3076-22-0x0000000000400000-0x000000000042D000-memory.dmp	upx

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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 3508	2468	497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe	82
PID 2468 wrote to memory of 3508	2468	497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe	82
PID 2468 wrote to memory of 3508	2468	497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe	82
PID 3508 wrote to memory of 3076	3508	omsecor.exe	92
PID 3508 wrote to memory of 3076	3508	omsecor.exe	92
PID 3508 wrote to memory of 3076	3508	omsecor.exe	92

C:\Users\Admin\AppData\Local\Temp\497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe
"C:\Users\Admin\AppData\Local\Temp\497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2468
- 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:3508
- - 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:3076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

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
35KB

MD5
a2a8b433f154ec907b871802954cdf9d

SHA1
711eb454c28ef70d18f21209a32adb6d24c526d1

SHA256
b88e1f8df529f7d06247de2d5cfe6cc8b09ac4994cc5fe35426f4bd91a47bd2c

SHA512
89ceb115c95a0602c2b2da54555110bce7f238a07021833a21e1325b42e86f0d356453d7e7dedf998c003e7b11375b9bd165fb419cdae295fbb7440c370b8bd8

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

Filesize
35KB

MD5
7295f69d00f4fbdd2c7a8f1b494fccc8

SHA1
72bc64a880f65239e36d478821d44b0b591990ca

SHA256
099c2dec094c7a04f807f550f8930854534ff991f32bdfe10d83209597fcd501

SHA512
095eaedf1c8946213c48f6823cfc75d1823d143ffbe0c3e7d70ff836108d9d0ca76ff72c866127238ee45150e5543eb1a2183070e93c15edf301c193dbfb417a

Download Submit
memory/2468-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2468-7-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3076-19-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3076-22-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3508-4-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3508-8-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3508-11-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3508-14-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3508-15-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3508-20-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

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