d7006f65bc5d0b88573067eaae19b5a60920f2c2017d5987755f6c75c8dfa29b

Analysis

max time kernel
11s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 21:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3afc1f9c32d297eaf86532e750c873c0_NEIKI.exe
Size

43KB
MD5

3afc1f9c32d297eaf86532e750c873c0
SHA1

320a51494021a521e0d3a550b7ab2f3e867e7e50
SHA256

d7006f65bc5d0b88573067eaae19b5a60920f2c2017d5987755f6c75c8dfa29b
SHA512

c4591ab549ba734679b5dcb4049d37f7edcf6c0ffaece84413676c9e6bb67d77212df1e6f95bd38956e5b9d5721f53cc4eec369a9fa12e38036504e07da102d9
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PAwW:b/pYayGig5HjS3NPA/

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2504	retln.exe

Loads dropped DLL 1 IoCs

pid	Process
1904	3afc1f9c32d297eaf86532e750c873c0_NEIKI.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1904	3afc1f9c32d297eaf86532e750c873c0_NEIKI.exe
2504	retln.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 2504	1904	3afc1f9c32d297eaf86532e750c873c0_NEIKI.exe	28
PID 1904 wrote to memory of 2504	1904	3afc1f9c32d297eaf86532e750c873c0_NEIKI.exe	28
PID 1904 wrote to memory of 2504	1904	3afc1f9c32d297eaf86532e750c873c0_NEIKI.exe	28
PID 1904 wrote to memory of 2504	1904	3afc1f9c32d297eaf86532e750c873c0_NEIKI.exe	28

C:\Users\Admin\AppData\Local\Temp\3afc1f9c32d297eaf86532e750c873c0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\3afc1f9c32d297eaf86532e750c873c0_NEIKI.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Users\Admin\AppData\Local\Temp\retln.exe
  "C:\Users\Admin\AppData\Local\Temp\retln.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\retln.exe

Filesize
43KB

MD5
6eeb32242726f85d048fc86f5e9155db

SHA1
2f67bd72cdb1591e5d1e3ebb3e04fa2e12734c19

SHA256
8cf0ac8f42e23bd480e6742bd11aa0618027ff60fbd60236c6f5064606dcae82

SHA512
0fc7baf0a1cdd90a4a90831e6671c97ee077e912446c5a8b0466daabd9214e59fd4ce9f9c999e44f4f90d90f0dfcd14cb368aa6a9c4bff1d98c5854490776a9d

Download Submit
memory/1904-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1904-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1904-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2504-23-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download