neconyd | 731a20881bd70bc2cdb997d35728400423fe1fde5e8a463e59f0e854f4c60c60

General

Target

c46fff229beffaa4bed28830fd469970N.exe
Size

35KB
MD5

c46fff229beffaa4bed28830fd469970
SHA1

67fe5c721624cd5df0cb7a9d8fab5a3f575433ef
SHA256

731a20881bd70bc2cdb997d35728400423fe1fde5e8a463e59f0e854f4c60c60
SHA512

1881dfb2b232c551074caaaef13a18d0892f98e6a653d1f22c3c4ab9fe2a4e06210d5785cf8b5451ffc39909332d6b081ddb39c92dc938b87de538fdbb872cbc
SSDEEP

768:D6vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpB:+8Z0kA7FHlO2OwOTUtKjpB

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 3 IoCs

pid	Process
2736	omsecor.exe
1428	omsecor.exe
328	omsecor.exe

Loads dropped DLL 6 IoCs

pid	Process
1580	c46fff229beffaa4bed28830fd469970N.exe
1580	c46fff229beffaa4bed28830fd469970N.exe
2736	omsecor.exe
2736	omsecor.exe
1428	omsecor.exe
1428	omsecor.exe

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1580-0-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/files/0x000c00000001226b-10.dat	upx
behavioral1/memory/1580-9-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/2736-11-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/2736-13-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/2736-17-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/2736-20-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/2736-23-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/files/0x0036000000016dd5-25.dat	upx
behavioral1/memory/2736-26-0x00000000002A0000-0x00000000002CD000-memory.dmp	upx
behavioral1/memory/2736-34-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/files/0x000c00000001226b-37.dat	upx
behavioral1/memory/328-46-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1428-44-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/328-48-0x0000000000400000-0x000000000042D000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

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

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	c46fff229beffaa4bed28830fd469970N.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 12 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 2736	1580	c46fff229beffaa4bed28830fd469970N.exe	30
PID 1580 wrote to memory of 2736	1580	c46fff229beffaa4bed28830fd469970N.exe	30
PID 1580 wrote to memory of 2736	1580	c46fff229beffaa4bed28830fd469970N.exe	30
PID 1580 wrote to memory of 2736	1580	c46fff229beffaa4bed28830fd469970N.exe	30
PID 2736 wrote to memory of 1428	2736	omsecor.exe	33
PID 2736 wrote to memory of 1428	2736	omsecor.exe	33
PID 2736 wrote to memory of 1428	2736	omsecor.exe	33
PID 2736 wrote to memory of 1428	2736	omsecor.exe	33
PID 1428 wrote to memory of 328	1428	omsecor.exe	34
PID 1428 wrote to memory of 328	1428	omsecor.exe	34
PID 1428 wrote to memory of 328	1428	omsecor.exe	34
PID 1428 wrote to memory of 328	1428	omsecor.exe	34

C:\Users\Admin\AppData\Local\Temp\c46fff229beffaa4bed28830fd469970N.exe
"C:\Users\Admin\AppData\Local\Temp\c46fff229beffaa4bed28830fd469970N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1580
- 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:2736
- - 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:1428
  - - 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:328

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
5d2bf1f543428a56db44001cd83a7290

SHA1
064213cb493876648bfc32b5ee5e19b658c65377

SHA256
e91f9e7aced7b7b6c56ff3f50e7625772304a89c448965622d41df8e0addb78b

SHA512
466f8d7b8a86f2dc162b3d1fea637ee203b700f3436253d2e8785a91db02f0a2177c9f32fc6f24fbb0bf84aa7c923d9fe55496fd5041ec737165e810e2a695fa

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

Filesize
35KB

MD5
68f0e3d020e683617f1a036ec499d59e

SHA1
1ffedd1d83642441ebe67f7dbc283e34baad3ce3

SHA256
19081b93e656bde7b24950376b8227541b7b75cf06495d5eaeec8542cb40c798

SHA512
5c5ffd33821a03f95b68c6462741fe9a37a3d68b1144477f14bdbbaef372532e33b41cae4003ec7c3a86bf03c3f4017492dc329b6b0fadda924c178c0752353f

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
35KB

MD5
52feef0a5f2ff0bff4edb71b622becd9

SHA1
6c19b826f152459ac186b7203c8be812adc5007c

SHA256
0f1a060b6bbd5a658e47afa4e38adf0c24b770fad94fa1cd6ecacff6dae68c88

SHA512
2d92cdc857eb9d96ccf7e33e9a1d759090b2c43132520d2b3f68a3f4df832779635dc47b33b9c70bb57e8cb75487922eb1c416782f5d7899edf74e5570d2c43b

Download Submit
memory/328-48-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/328-46-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1428-44-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1580-9-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1580-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2736-20-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2736-26-0x00000000002A0000-0x00000000002CD000-memory.dmp

Filesize
180KB

Download
memory/2736-34-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2736-23-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2736-17-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2736-13-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2736-11-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

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