MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef55b4c28ea0fc3bbc0c37a8e07a5951e1f0e9904be9b60c124fb9bef74cc25d. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



NetWire


Vendor detections: 12


Intelligence 12 IOCs 1 YARA 7 File information Comments

SHA256 hash: ef55b4c28ea0fc3bbc0c37a8e07a5951e1f0e9904be9b60c124fb9bef74cc25d
SHA3-384 hash: 2eca8679f002a3b5ad49df6e8ce444a220e20ee0b8ecd9e2bdd273aceb7a27883b870dc680f31a28839a61e4b57a776c
SHA1 hash: 00939c9ef89786d862488cecf41bb1d4bfea90d3
MD5 hash: 5335819420a4e01b69d09e8dad705102
humanhash: charlie-rugby-kentucky-low
File name:Item Specification.scr.exe
Download: download sample
Signature NetWire
File size:489'472 bytes
First seen:2021-10-06 07:16:55 UTC
Last seen:2021-10-06 09:11:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:VS+oO327vY/suB6PKVtww+8tdEZUC54yeGWpV:V/hmzxuB4wN6aC55jW7
Threatray 589 similar samples on MalwareBazaar
TLSH T1BCA4BE99F3378D94EC2182FE5835E4311373BA6A6427C62D3A99716D2D633E201E2F47
File icon (PE):PE icon
dhash icon c4c4c4ccb4c4f670 (6 x NetWire, 3 x NanoCore)
Reporter abuse_ch
Tags:exe NetWire RAT


Avatar
abuse_ch
NetWire C2:
31.210.20.226:3606

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
31.210.20.226:3606 https://threatfox.abuse.ch/ioc/230894/

Intelligence


File Origin
# of uploads :
2
# of downloads :
454
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Item Specification.scr.exe
Verdict:
Malicious activity
Analysis date:
2021-10-06 07:20:38 UTC
Tags:
trojan rat netwire

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
NetWire
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected NetWire RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-10-06 07:17:07 UTC
AV detection:
8 of 45 (17.78%)
Threat level:
  2/5
Result
Malware family:
netwire
Score:
  10/10
Tags:
family:netwire botnet rat stealer
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
NetWire RAT payload
Netwire
Malware Config
C2 Extraction:
harold.ns01.info:3606
Unpacked files
SH256 hash:
1d11f95cad470f0bcad496a1b35da58023f560eb504c7cb089d970c471f65791
MD5 hash:
6302968961b26cc7776f750782808e2c
SHA1 hash:
d4e0850ecd44fcf1f452821c101d72bbc2852a6d
Detections:
win_netwire_g1 win_netwire_auto
SH256 hash:
98f662c0012b3cce20594704ab87b8f5987e3615d67961a41ce5f40b45c1c565
MD5 hash:
15a5098a0d8c1da232a3330c6f47474e
SHA1 hash:
aec7a8918de81ec0f64485714b75681fb813e713
SH256 hash:
fe8637d821a39a8b74abce7e043007d38cb9c5cfcb7098af9846cfd98185ac03
MD5 hash:
c380b6831f456ac5cac08c78c0e4dada
SHA1 hash:
3e241a0b9d96c1dfbadd7ee1a8c5ee6d74eba11c
SH256 hash:
ef55b4c28ea0fc3bbc0c37a8e07a5951e1f0e9904be9b60c124fb9bef74cc25d
MD5 hash:
5335819420a4e01b69d09e8dad705102
SHA1 hash:
00939c9ef89786d862488cecf41bb1d4bfea90d3
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:MALWARE_Win_NetWire
Author:ditekSHen
Description:Detects NetWire RAT
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_netwire_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.netwire.
Rule name:win_netwire_w0
Author:Jean-Philippe Teissier / @Jipe_
Description:NetWiredRC

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments