neconyd | 3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405

General

Target

3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe
Size

35KB
MD5

2ccd7f467f599c1b3415318e83551eb0
SHA1

3431c0360c57f0d4d35d847394821663e5e72b65
SHA256

3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405
SHA512

13b780d7615730984e5143be42c33d14905c9681a75a57741b78d08c03c37d8b6e17e6ecb9f8073bc9b3544286b4a6517fbfc59e67d1a91f69f6a2e2bc8edddc
SSDEEP

768:J6vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpB:k8Z0kA7FHlO2OwOTUtKjpB

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
2760	omsecor.exe
1492	omsecor.exe
1820	omsecor.exe

Loads dropped DLL 6 IoCs

pid	Process
816	3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe
816	3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe
2760	omsecor.exe
2760	omsecor.exe
1492	omsecor.exe
1492	omsecor.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/memory/816-0-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/files/0x000b000000012282-4.dat	upx
behavioral1/memory/816-9-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/2760-12-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/2760-13-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/2760-17-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/2760-20-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/2760-23-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/files/0x0033000000019256-25.dat	upx
behavioral1/memory/2760-34-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1492-36-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/files/0x000b000000012282-41.dat	upx
behavioral1/memory/1492-46-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1820-48-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral1/memory/1820-50-0x0000000000400000-0x000000000042D000-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	3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.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 816 wrote to memory of 2760	816	3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe	31
PID 816 wrote to memory of 2760	816	3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe	31
PID 816 wrote to memory of 2760	816	3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe	31
PID 816 wrote to memory of 2760	816	3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe	31
PID 2760 wrote to memory of 1492	2760	omsecor.exe	33
PID 2760 wrote to memory of 1492	2760	omsecor.exe	33
PID 2760 wrote to memory of 1492	2760	omsecor.exe	33
PID 2760 wrote to memory of 1492	2760	omsecor.exe	33
PID 1492 wrote to memory of 1820	1492	omsecor.exe	34
PID 1492 wrote to memory of 1820	1492	omsecor.exe	34
PID 1492 wrote to memory of 1820	1492	omsecor.exe	34
PID 1492 wrote to memory of 1820	1492	omsecor.exe	34

C:\Users\Admin\AppData\Local\Temp\3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe
"C:\Users\Admin\AppData\Local\Temp\3afc9296a56ce2b0b43a2e4ec84c3ac37f3e59223ff5ede733462610b6f11405N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:816
- 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:2760
- - 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:1492
  - - 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:1820

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

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

Filesize
35KB

MD5
28dcbb10946888a35e09005f71096727

SHA1
08db71ce1dfaad641cfb3378df2baaf5192ae916

SHA256
5506fe4418331495d39eae2705f0a06710348b7de6ac8170bf34acb03b8a45bf

SHA512
f125ba1f1f2aff2fdd3cc72e057b7f2a3a938e6f809e686542946bf1a84b725c16da5c4d66ef890ff5b4c4a5a9b4ea3e50cf8a4d51a8d870a01b837d3d80d413

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

Filesize
35KB

MD5
87d8d373e67cf6d071f16caf49411d33

SHA1
f583be1c73eee12c742b039777e7645fcaee6050

SHA256
62fd15b8b1a06e19c976b2f682cd5ecacc1a7b60f845dbacdcfd1d9dd99cc81f

SHA512
688cac07a52b61f2f23eb9aafd70e1af1ce1d17df7838bddab7795dc06f1cf1d6a25f5f2442f1b1ca3f2ea1e0b4b3cf02903d45d8f87b02348eaeec9e73d0475

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
35KB

MD5
26b352c026c2d1c91638d21992c95f8e

SHA1
8f6739d7b71464ab15bb947bb9e3f3922f326663

SHA256
669832ddc79fdcf935c89c7f980e3a2bc522d020821fd44842401d56b7a27817

SHA512
34165191fc7a185093029231dcec6eeb9749166f7b48f10570e505f5a6dd5eeb19977e9bc5ab129c5cda3ca158f893453db315b1406b6456a93a0b9ee392edeb

Download Submit
memory/816-9-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/816-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1492-36-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1492-46-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1820-50-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1820-48-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2760-13-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2760-34-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2760-32-0x0000000000430000-0x000000000045D000-memory.dmp

Filesize
180KB

Download
memory/2760-31-0x0000000000430000-0x000000000045D000-memory.dmp

Filesize
180KB

Download
memory/2760-23-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2760-20-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2760-17-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2760-12-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

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