neconyd | a287dc693e96236b3f8c80db9cd65e15751b4fe8f4665eda2141c1eacea72741

General

Target

8ffd1c72c487afdf54946c7dfec08190N.exe
Size

35KB
MD5

8ffd1c72c487afdf54946c7dfec08190
SHA1

2bf9a220075168ff8794d379eadae2060eff146c
SHA256

a287dc693e96236b3f8c80db9cd65e15751b4fe8f4665eda2141c1eacea72741
SHA512

f9bdd612c06c6b31e13373ca5dce959d8cdc6a6849bdb189a9fb70adec413b6d34b99bfbe404ba542b61e515d87058a9674934ca83d5eb2e28bc161cdbe0754e
SSDEEP

768:z6vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpB:u8Z0kA7FHlO2OwOTUtKjpB

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
Executes dropped EXE 2 IoCs

Processes:

omsecor.exeomsecor.exe

pid process

4624 omsecor.exe
1584 omsecor.exe

pid	process
4624	omsecor.exe
1584	omsecor.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1840-0-0x0000000000400000-0x000000000042D000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\omsecor.exe	upx
behavioral2/memory/1840-7-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4624-4-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4624-8-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4624-11-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4624-14-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4624-15-0x0000000000400000-0x000000000042D000-memory.dmp	upx
C:\Windows\SysWOW64\omsecor.exe	upx
behavioral2/memory/1584-20-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4624-22-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/1584-23-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/1584-25-0x0000000000400000-0x000000000042D000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

omsecor.exeomsecor.exe

description ioc process

File created C:\Windows\SysWOW64\omsecor.exe omsecor.exe
File opened for modification C:\Windows\SysWOW64\merocz.xc6 omsecor.exe

description	ioc	process
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe
File opened for modification	C:\Windows\SysWOW64\merocz.xc6	omsecor.exe

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

Processes:

8ffd1c72c487afdf54946c7dfec08190N.exeomsecor.exeomsecor.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8ffd1c72c487afdf54946c7dfec08190N.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 6 IoCs

Processes:

8ffd1c72c487afdf54946c7dfec08190N.exeomsecor.exe

description	pid	process	target process
PID 1840 wrote to memory of 4624	1840	8ffd1c72c487afdf54946c7dfec08190N.exe	omsecor.exe
PID 1840 wrote to memory of 4624	1840	8ffd1c72c487afdf54946c7dfec08190N.exe	omsecor.exe
PID 1840 wrote to memory of 4624	1840	8ffd1c72c487afdf54946c7dfec08190N.exe	omsecor.exe
PID 4624 wrote to memory of 1584	4624	omsecor.exe	omsecor.exe
PID 4624 wrote to memory of 1584	4624	omsecor.exe	omsecor.exe
PID 4624 wrote to memory of 1584	4624	omsecor.exe	omsecor.exe

C:\Users\Admin\AppData\Local\Temp\8ffd1c72c487afdf54946c7dfec08190N.exe
"C:\Users\Admin\AppData\Local\Temp\8ffd1c72c487afdf54946c7dfec08190N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1840

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:4624

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:1584

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

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Downloads

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

Filesize
35KB

MD5
999f3ad3232845f971c331ac9ef0e23b

SHA1
6c169a6b56d6f37d958add16c4aa98c6a9fe6fb7

SHA256
7bffe9acb9ea7a3a5b7df27ce36dee540c8ceb40b76b485c50e24fee559fdee9

SHA512
8c2c9d1bf866b947738e7889343c9e7a427fcbb9628a46e4e14c5906a7ab64ef268fa6aee6ea90bab6c90b961f1b0de5e9766b2de0c8c2c84cbd72a12d8f0e2a

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

Filesize
35KB

MD5
1865d3eaa29b85c2b1b52b86808eb9b9

SHA1
97c12b8a2caf0b27a51f6f8b7ff962eb84f2fc89

SHA256
46ae1af76f72ca3ca1511ffa9e33719571590d3e3362a7b2fa5846812eff4fab

SHA512
88f65e3d4b0a9e7ac7448fd77576622dc03d59db00045e49c0b1c7e8d1e6a38a7c1c7fc855e4885f9b43926368b34c671a13426aa883eb700e43e70a73107dab

Download Submit
memory/1584-25-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1584-23-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1584-20-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1840-7-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1840-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4624-4-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4624-15-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4624-14-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4624-22-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4624-11-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4624-8-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads