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 3 IoCs

pid	Process
1484	omsecor.exe
1176	omsecor.exe
2320	omsecor.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1728-0-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x000c000000023b2c-3.dat	upx
behavioral2/memory/1484-4-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/1728-6-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/1484-7-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/1484-10-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/1484-13-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/1484-14-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x0002000000021f51-17.dat	upx
behavioral2/memory/1176-18-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/1484-21-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x000c000000023b2c-24.dat	upx
behavioral2/memory/2320-26-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/1176-25-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/2320-28-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/2320-31-0x0000000000400000-0x000000000042D000-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	fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe
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	omsecor.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1484	1728	fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe	81
PID 1728 wrote to memory of 1484	1728	fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe	81
PID 1728 wrote to memory of 1484	1728	fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe	81
PID 1484 wrote to memory of 1176	1484	omsecor.exe	91
PID 1484 wrote to memory of 1176	1484	omsecor.exe	91
PID 1484 wrote to memory of 1176	1484	omsecor.exe	91
PID 1176 wrote to memory of 2320	1176	omsecor.exe	92
PID 1176 wrote to memory of 2320	1176	omsecor.exe	92
PID 1176 wrote to memory of 2320	1176	omsecor.exe	92

C:\Users\Admin\AppData\Local\Temp\fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe
"C:\Users\Admin\AppData\Local\Temp\fb91f8ade4066c6077a528f4a36c380333de811846ef8e4aef492b6f6ccfce2a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728
- 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:1484
- - C:\Windows\SysWOW64\omsecor.exe
    C:\Windows\System32\omsecor.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1176
  - - 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:2320

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
9a59e0532909979274044b1a98d481b6

SHA1
67198aba7228be1b17add53535e78fe2cad42fe9

SHA256
581dc28763fc1458865070796c7f34d752d7a6bdb530adeef48fe5cd18e588b1

SHA512
2125fe689c6fe5469e9f753b17e89c11d9c1efba5f83771b85d142424c3899af1dc47c809305d9edc1f50f980a822ee7ce51dbd210c73035c8364d528e5f7e6c

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

Filesize
35KB

MD5
ce67b8b9896af06c19b0d88066d17f82

SHA1
a9128745417cb73af5816e2a073e577790a4e393

SHA256
1c44fdd67eafe6a4cdf825e44e613d82f1ae15ddb88d4f94b42cb5a5f3102773

SHA512
824eb7369b6013466f3bfcd472644dedb360afab8427c2471ddbf689a54d5eb82e9f21c909dccfe18d6d315df517f32141d1cb68d6c575caca856e0af4a5d5d2

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

Filesize
35KB

MD5
311ea6efb05bac0851124861596255fc

SHA1
0740d341b85de823322194cdbcf8304c75f9bd2f

SHA256
4ddffa02e530d08acdd5a05a521d966fe9d8ce9746ecc8a9206ca2bc9464ad47

SHA512
66f2f0260d987bc86d891ee0013163ae80e56bdacc580a46d20c993caf29dad289d9de3985d44b108913ab52aae69a819c007d25e5b742c6bba8febf7d351d60

Download Submit
memory/1176-25-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1176-18-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1484-7-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1484-13-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1484-14-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1484-10-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1484-21-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1484-4-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1728-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1728-6-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2320-26-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2320-28-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2320-31-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

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