neconyd | fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a

General

Target

fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe
Size

35KB
MD5

d1b2f0800332562c2195324c89ce7964
SHA1

9d1444a323871a58367f9eedcc8bb2e2131c4dfd
SHA256

fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a
SHA512

0bce2b4a89c3ede2e1c29c97f9fa0527e73968b6fa54dfdf2bf3d319d76669f50f065888def2bdaf6db818764341a782d1d32cd3c52f7b6d9e9632df34df3e8b
SSDEEP

768:w6vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpBn:H8Z0kA7FHlO2OwOTUtKjpBn

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
1292	omsecor.exe
992	omsecor.exe

Loads dropped DLL 4 IoCs

pid	Process
1724	fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe
1724	fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe
1292	omsecor.exe
1292	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 13 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1724-1-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/files/0x000c000000012277-7.dat	upx
behavioral1/memory/1292-10-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1292-12-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1292-15-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1292-18-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1292-21-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-23.dat	upx
behavioral1/memory/1292-25-0x0000000000310000-0x000000000033D000-memory.dmp	upx
behavioral1/memory/1292-35-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/992-32-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/992-36-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/992-39-0x0000000000400000-0x000000000042D000-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	fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.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 8 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 1292	1724	fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe	30
PID 1724 wrote to memory of 1292	1724	fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe	30
PID 1724 wrote to memory of 1292	1724	fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe	30
PID 1724 wrote to memory of 1292	1724	fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe	30
PID 1292 wrote to memory of 992	1292	omsecor.exe	33
PID 1292 wrote to memory of 992	1292	omsecor.exe	33
PID 1292 wrote to memory of 992	1292	omsecor.exe	33
PID 1292 wrote to memory of 992	1292	omsecor.exe	33

C:\Users\Admin\AppData\Local\Temp\fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe
"C:\Users\Admin\AppData\Local\Temp\fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Roaming\omsecor.exe
  C:\Users\Admin\AppData\Roaming\omsecor.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1292
- - 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:992

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
ce67b8b9896af06c19b0d88066d17f82

SHA1
a9128745417cb73af5816e2a073e577790a4e393

SHA256
1c44fdd67eafe6a4cdf825e44e613d82f1ae15ddb88d4f94b42cb5a5f3102773

SHA512
824eb7369b6013466f3bfcd472644dedb360afab8427c2471ddbf689a54d5eb82e9f21c909dccfe18d6d315df517f32141d1cb68d6c575caca856e0af4a5d5d2

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
35KB

MD5
84b9e853d6482d8edb08db29c99ce9de

SHA1
76efdfcf2d639eb7a37b196ca341679d90ea0309

SHA256
88b6ca3e4d494ec403ac9bb68769f6267b8ce73b0693e52f8cdfece91efc9b11

SHA512
1d380e09cdd9a400125f701ca06a9baab8ce3fd9648e3363222ae77144c563ca61cab8cced9fa580fd0b43d63c4cf0869bb534a34898ccedfbf9d307de2566e8

Download Submit
memory/992-39-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/992-36-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/992-32-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1292-21-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1292-18-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1292-25-0x0000000000310000-0x000000000033D000-memory.dmp

Filesize
180KB

Download
memory/1292-35-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1292-15-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1292-31-0x0000000000310000-0x000000000033D000-memory.dmp

Filesize
180KB

Download
memory/1292-12-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1292-10-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1724-1-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

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