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 3 IoCs

pid	Process
1696	omsecor.exe
2948	omsecor.exe
1976	omsecor.exe

Loads dropped DLL 6 IoCs

pid	Process
1992	497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe
1992	497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe
1696	omsecor.exe
1696	omsecor.exe
2948	omsecor.exe
2948	omsecor.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1992-0-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/files/0x00080000000120f9-2.dat	upx
behavioral1/memory/1696-11-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1992-9-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1696-13-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1696-17-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1696-20-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1696-21-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/files/0x00080000000164de-26.dat	upx
behavioral1/memory/1696-27-0x0000000002000000-0x000000000202D000-memory.dmp	upx
behavioral1/memory/1696-35-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/files/0x00080000000120f9-38.dat	upx
behavioral1/memory/1976-47-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/2948-45-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1976-49-0x0000000000400000-0x000000000042D000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 4 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	497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.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 12 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 1696	1992	497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe	30
PID 1992 wrote to memory of 1696	1992	497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe	30
PID 1992 wrote to memory of 1696	1992	497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe	30
PID 1992 wrote to memory of 1696	1992	497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe	30
PID 1696 wrote to memory of 2948	1696	omsecor.exe	33
PID 1696 wrote to memory of 2948	1696	omsecor.exe	33
PID 1696 wrote to memory of 2948	1696	omsecor.exe	33
PID 1696 wrote to memory of 2948	1696	omsecor.exe	33
PID 2948 wrote to memory of 1976	2948	omsecor.exe	34
PID 2948 wrote to memory of 1976	2948	omsecor.exe	34
PID 2948 wrote to memory of 1976	2948	omsecor.exe	34
PID 2948 wrote to memory of 1976	2948	omsecor.exe	34

C:\Users\Admin\AppData\Local\Temp\497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe
"C:\Users\Admin\AppData\Local\Temp\497ae3f0b585777ba8fdca027c8f55b8700fffd6695a73bb681030d323d1fb54.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992
- 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:1696
- - C:\Windows\SysWOW64\omsecor.exe
    C:\Windows\System32\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2948
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1976

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

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

Filesize
35KB

MD5
a2a8b433f154ec907b871802954cdf9d

SHA1
711eb454c28ef70d18f21209a32adb6d24c526d1

SHA256
b88e1f8df529f7d06247de2d5cfe6cc8b09ac4994cc5fe35426f4bd91a47bd2c

SHA512
89ceb115c95a0602c2b2da54555110bce7f238a07021833a21e1325b42e86f0d356453d7e7dedf998c003e7b11375b9bd165fb419cdae295fbb7440c370b8bd8

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

Filesize
35KB

MD5
c8f2fa3cdc340c6e0458a441e0aa190d

SHA1
d8daf4f255f65b4d0ba0f0363cb32eded4e893a3

SHA256
6d793502bba3d6a850fe76e98e7804eded22e691c81d855a5022cbe72d009703

SHA512
98ffb74851fd145246dfa3e72e61d9a23a64ff03898a9702d5f355c9b553de55ca16dc0cb16fc9bfcab68848d559f7d61b49b493097f87e0abb49e5bf5835cf0

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
35KB

MD5
6a5186b308e192df1394f97e185050ee

SHA1
ba67db9bb36fd0d16bfa69d9cca55c01c5ad3e6b

SHA256
51506ae78ab350b31077650f75f274d010bd47de9dcd5421b8830417b5b24169

SHA512
b4a32da1ec4fdce3b2e257ead17082c0a7d0abb244a8a20dd53248c3b7ecd6782f37db078f99aeb4fb4d9954a4fda658e5ce04ebe13469faf138c16e5324a483

Download Submit
memory/1696-27-0x0000000002000000-0x000000000202D000-memory.dmp

Filesize
180KB

Download
memory/1696-13-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1696-17-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1696-20-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1696-21-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1696-35-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1696-11-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1976-47-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1976-49-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1992-9-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1992-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2948-45-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

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