neconyd | 3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405

General

Target

3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe
Size

35KB
MD5

2ccd7f467f599c1b3415318e83551eb0
SHA1

3431c0360c57f0d4d35d847394821663e5e72b65
SHA256

3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405
SHA512

13b780d7615730984e5143be42c33d14905c9681a75a57741b78d08c03c37d8b6e17e6ecb9f8073bc9b3544286b4a6517fbfc59e67d1a91f69f6a2e2bc8edddc
SSDEEP

768:J6vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpB:k8Z0kA7FHlO2OwOTUtKjpB

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
3268	omsecor.exe
4036	omsecor.exe

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

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4808-0-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x000c000000023b7a-3.dat	upx
behavioral2/memory/3268-4-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4808-7-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/3268-8-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/3268-11-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/3268-14-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/3268-15-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x000200000001e733-18.dat	upx
behavioral2/memory/4036-19-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/3268-22-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4036-23-0x0000000000400000-0x000000000042D000-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	3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 3268	4808	3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe	82
PID 4808 wrote to memory of 3268	4808	3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe	82
PID 4808 wrote to memory of 3268	4808	3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe	82
PID 3268 wrote to memory of 4036	3268	omsecor.exe	92
PID 3268 wrote to memory of 4036	3268	omsecor.exe	92
PID 3268 wrote to memory of 4036	3268	omsecor.exe	92

C:\Users\Admin\AppData\Local\Temp\3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe
"C:\Users\Admin\AppData\Local\Temp\3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4808
- 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:3268
- - 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:4036

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

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Downloads

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

Filesize
35KB

MD5
28dcbb10946888a35e09005f71096727

SHA1
08db71ce1dfaad641cfb3378df2baaf5192ae916

SHA256
5506fe4418331495d39eae2705f0a06710348b7de6ac8170bf34acb03b8a45bf

SHA512
f125ba1f1f2aff2fdd3cc72e057b7f2a3a938e6f809e686542946bf1a84b725c16da5c4d66ef890ff5b4c4a5a9b4ea3e50cf8a4d51a8d870a01b837d3d80d413

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

Filesize
35KB

MD5
eeacf6ffffd643c32c218d06f6878db4

SHA1
73dd79849894a65fc9f7da1f5b6501a89ca8f9f5

SHA256
be6a0b8bb8ed93c74af3299c7b2816a1ece6f4c1085454a6503bc360dcb1d680

SHA512
7a97dc7d113408701ed19dd851156b0691d3dd1af4bb09563a4146cb13e4cd22ce2b70d660eeaf3b6534b93af472bbb0760cf046335998fc6949f575fc952cd5

Download Submit
memory/3268-4-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3268-8-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3268-11-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3268-14-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3268-15-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3268-22-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4036-19-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4036-23-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4808-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4808-7-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

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