neconyd | 15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0

Analysis

max time kernel
115s
max time network
122s
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 04:01

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General

Target

15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe
Size

96KB
MD5

908bcf3c4fadd2ae2629523879d59250
SHA1

9fc9f54fc234dc2d4fc69165c3bf50623f0aae73
SHA256

15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0
SHA512

80582a387d6b3bf1346189d847ec85cabef6d854f2cc138eb0e49b530db2508d5972d1deedbb718f16a4041d23240e1f1e7b0d51cc420f8d9026816f37168154
SSDEEP

1536:ZnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxx7:ZGs8cd8eXlYairZYqMddH137

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
5080	omsecor.exe
3584	omsecor.exe
1584	omsecor.exe
3612	omsecor.exe
2372	omsecor.exe
5096	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 4532 set thread context of 4672	4532	15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe	82
PID 5080 set thread context of 3584	5080	omsecor.exe	87
PID 1584 set thread context of 3612	1584	omsecor.exe	100
PID 2372 set thread context of 5096	2372	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3816	4532	WerFault.exe	81
4640	5080	WerFault.exe	84
4292	1584	WerFault.exe	99
4840	2372	WerFault.exe	102

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	15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.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	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4532 wrote to memory of 4672	4532	15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe	82
PID 4532 wrote to memory of 4672	4532	15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe	82
PID 4532 wrote to memory of 4672	4532	15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe	82
PID 4532 wrote to memory of 4672	4532	15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe	82
PID 4532 wrote to memory of 4672	4532	15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe	82
PID 4672 wrote to memory of 5080	4672	15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe	84
PID 4672 wrote to memory of 5080	4672	15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe	84
PID 4672 wrote to memory of 5080	4672	15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe	84
PID 5080 wrote to memory of 3584	5080	omsecor.exe	87
PID 5080 wrote to memory of 3584	5080	omsecor.exe	87
PID 5080 wrote to memory of 3584	5080	omsecor.exe	87
PID 5080 wrote to memory of 3584	5080	omsecor.exe	87
PID 5080 wrote to memory of 3584	5080	omsecor.exe	87
PID 3584 wrote to memory of 1584	3584	omsecor.exe	99
PID 3584 wrote to memory of 1584	3584	omsecor.exe	99
PID 3584 wrote to memory of 1584	3584	omsecor.exe	99
PID 1584 wrote to memory of 3612	1584	omsecor.exe	100
PID 1584 wrote to memory of 3612	1584	omsecor.exe	100
PID 1584 wrote to memory of 3612	1584	omsecor.exe	100
PID 1584 wrote to memory of 3612	1584	omsecor.exe	100
PID 1584 wrote to memory of 3612	1584	omsecor.exe	100
PID 3612 wrote to memory of 2372	3612	omsecor.exe	102
PID 3612 wrote to memory of 2372	3612	omsecor.exe	102
PID 3612 wrote to memory of 2372	3612	omsecor.exe	102
PID 2372 wrote to memory of 5096	2372	omsecor.exe	104
PID 2372 wrote to memory of 5096	2372	omsecor.exe	104
PID 2372 wrote to memory of 5096	2372	omsecor.exe	104
PID 2372 wrote to memory of 5096	2372	omsecor.exe	104
PID 2372 wrote to memory of 5096	2372	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe
"C:\Users\Admin\AppData\Local\Temp\15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4532
- C:\Users\Admin\AppData\Local\Temp\15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe
  C:\Users\Admin\AppData\Local\Temp\15d61bf8d6a1ea48198ee726610e25263a290aa35721adb5b46e60a713f0a3f0N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4672
- - 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:5080
  - - 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:3584
    - - 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:1584
      - 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:3612
        
        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:2372
        
        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:5096
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 256
        8⤵
        Program crash
        
        PID:4840
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 292
        6⤵
        Program crash
        
        PID:4292
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 296
      4⤵
      Program crash
      PID:4640
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 252
  2⤵
  - Program crash
  PID:3816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4532 -ip 4532
1⤵
PID:2088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 5080 -ip 5080
1⤵
PID:3704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1584 -ip 1584
1⤵
PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2372 -ip 2372
1⤵
PID:3728

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
4b111b9abec0a18055314edd3b3af847

SHA1
dff2cdb25fa292109995e6f31d4372235e867b48

SHA256
ad759b9f7adce565b71132cbc1ffd74ec58002164df77c20d7b52c3ebb5e36bc

SHA512
168727473b122eececfd499ef9200dbae2857d50c62a3fcc54812ee293debb1ea8b031c3ab83f3f8706988018b596c145e0b2599403b39499e7fb2fbf3bf8c19

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

Filesize
96KB

MD5
34849c9bb38d85136fc8e449ebb7756c

SHA1
fc00718187c51b392a53186e55aa40dc56e5cba0

SHA256
ea6a9d9ddd0ef47bc6ff0a92d724f728a40cac37930e559b133abb0c7396ef31

SHA512
45b97ae5a6caab31fb1ae3f7b8e72385e080a1304a175ea5a8fcb21ac9e742dc2627a56c64e8c690a7a96f623bdb8cb5e99c32d900544b334f9ea68b295c3351

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

Filesize
96KB

MD5
7072bb09548b910acd8d3743ac69a6e1

SHA1
5c2f6d4be1f27aea761fd21548950db2abdecfd1

SHA256
525300fe8bdc8da04d95fd6415a1d029e17fd1c64539bfdbe54e4f7d8286997c

SHA512
b1d0cff3fdd0a9678849986941ef23e5fb4e84c115a2476d27483d57f9b6b52ca4f2f0a4afbe244296df87d9f0d42e0a7ca17f47cfeb6be8ce81021b9f01959f

Download Submit
memory/1584-35-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2372-46-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2372-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3584-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3584-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3584-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3584-34-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3584-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3584-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3584-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3612-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3612-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3612-43-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4532-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4532-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4672-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4672-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4672-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4672-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5080-9-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/5080-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/5096-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5096-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5096-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download