neconyd | b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd

Analysis

max time kernel
120s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 15:06

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General

Target

b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe
Size

96KB
MD5

4c3bb51b742d063506cd6400a4601577
SHA1

24186ae58bc65217faba05eeaa80db7d998a3fcf
SHA256

b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd
SHA512

3dc054d0748900a50d7a810404e0ed7fab852428483bd98acda79b373171592deec1804bd26526da11d9d587f8e4d5049f286ba45b9de8c9273362eb28f942e9
SSDEEP

1536:CnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxT:CGs8cd8eXlYairZYqMddH13T

Score

10^/10

neconyd discovery trojan

Malware Config

Extracted

Family

neconyd

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 6 IoCs

pid	Process
3976	omsecor.exe
2192	omsecor.exe
1752	omsecor.exe
2528	omsecor.exe
2172	omsecor.exe
4604	omsecor.exe

Drops file in System32 directory 1 IoCs

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

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3180 set thread context of 3424	3180	b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe	85
PID 3976 set thread context of 2192	3976	omsecor.exe	89
PID 1752 set thread context of 2528	1752	omsecor.exe	112
PID 2172 set thread context of 4604	2172	omsecor.exe	116

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4268	3180	WerFault.exe	84
2876	3976	WerFault.exe	87
2696	1752	WerFault.exe	111
4184	2172	WerFault.exe	114

System Location Discovery: System Language Discovery 1 TTPs 8 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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.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 29 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 3424	3180	b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe	85
PID 3180 wrote to memory of 3424	3180	b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe	85
PID 3180 wrote to memory of 3424	3180	b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe	85
PID 3180 wrote to memory of 3424	3180	b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe	85
PID 3180 wrote to memory of 3424	3180	b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe	85
PID 3424 wrote to memory of 3976	3424	b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe	87
PID 3424 wrote to memory of 3976	3424	b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe	87
PID 3424 wrote to memory of 3976	3424	b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe	87
PID 3976 wrote to memory of 2192	3976	omsecor.exe	89
PID 3976 wrote to memory of 2192	3976	omsecor.exe	89
PID 3976 wrote to memory of 2192	3976	omsecor.exe	89
PID 3976 wrote to memory of 2192	3976	omsecor.exe	89
PID 3976 wrote to memory of 2192	3976	omsecor.exe	89
PID 2192 wrote to memory of 1752	2192	omsecor.exe	111
PID 2192 wrote to memory of 1752	2192	omsecor.exe	111
PID 2192 wrote to memory of 1752	2192	omsecor.exe	111
PID 1752 wrote to memory of 2528	1752	omsecor.exe	112
PID 1752 wrote to memory of 2528	1752	omsecor.exe	112
PID 1752 wrote to memory of 2528	1752	omsecor.exe	112
PID 1752 wrote to memory of 2528	1752	omsecor.exe	112
PID 1752 wrote to memory of 2528	1752	omsecor.exe	112
PID 2528 wrote to memory of 2172	2528	omsecor.exe	114
PID 2528 wrote to memory of 2172	2528	omsecor.exe	114
PID 2528 wrote to memory of 2172	2528	omsecor.exe	114
PID 2172 wrote to memory of 4604	2172	omsecor.exe	116
PID 2172 wrote to memory of 4604	2172	omsecor.exe	116
PID 2172 wrote to memory of 4604	2172	omsecor.exe	116
PID 2172 wrote to memory of 4604	2172	omsecor.exe	116
PID 2172 wrote to memory of 4604	2172	omsecor.exe	116

C:\Users\Admin\AppData\Local\Temp\b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe
"C:\Users\Admin\AppData\Local\Temp\b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3180
- C:\Users\Admin\AppData\Local\Temp\b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe
  C:\Users\Admin\AppData\Local\Temp\b8a4b2d8902d2ed4c79a37dd2559209064611c27f04026f423d54740d13ccdcd.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3424
- - C:\Users\Admin\AppData\Roaming\omsecor.exe
    C:\Users\Admin\AppData\Roaming\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3976
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2192
    - - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\System32\omsecor.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1752
      - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\SysWOW64\omsecor.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2528
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        7⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2172
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        8⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:4604
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 256
        8⤵
        Program crash
        
        PID:4184
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 292
        6⤵
        Program crash
        
        PID:2696
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 300
      4⤵
      Program crash
      PID:2876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3180 -s 288
  2⤵
  - Program crash
  PID:4268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3180 -ip 3180
1⤵
PID:4008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3976 -ip 3976
1⤵
PID:2556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1752 -ip 1752
1⤵
PID:244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2172 -ip 2172
1⤵
PID:696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

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
96KB

MD5
efddb68d7b2a9b9c1c443a8566aae571

SHA1
dec1f6bbfa441656e0e9d1871ec6d9a2dc6d50a7

SHA256
fae9e7da79b81ff53487ddb171e5af959c46ec782e36f2cf168bb482959d73f8

SHA512
9e9f36983e3f10df29f77e3f4f31e8f6f4f368fdfbfaecb519dc0c7b00fd625ded420c7d2beea48bbe06e5e4b5b34645f5173ab903f52effcaf2161f40cdaf3d

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

Filesize
96KB

MD5
fada79126d1caec75100d30e9e9a0c80

SHA1
f9df9d359fb576cd36e6d4a52b0c38ee590a0c94

SHA256
69c796a6f6dbeb067ee92705a2a76280857feb91d5594d9d4ec0d228e03cbf93

SHA512
df4db013140b17fe15ac0349e41d77e8cb8faea241d8f7b3c2c0807cbc8f62b6be464c3c36804a86d55dbbf8fe7fbf63e479dca5a35ea21f72b3d02a59ce0fe2

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

Filesize
96KB

MD5
e508c3c5142bd8ce8da4c1fd99120367

SHA1
eca7dcf7b7561c4a5ccb3b79cfe025bf59b35296

SHA256
f74284ea96090e7192051bd97426033e8fc571e45ed0b702440153f31f66821a

SHA512
9410f99e278f9fcb8c55933ec3daa017382d46d800f7877433812bdb8a3a8c9ce0dfa78e48bc3a7f3befed1fa89836673b55a361f44ab71ba9eebec4b525e1fa

Download Submit
memory/1752-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1752-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2172-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2192-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2192-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2192-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2192-33-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2192-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2192-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2192-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2528-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2528-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2528-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3180-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3180-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3424-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3424-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3424-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3424-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3976-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4604-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4604-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4604-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download