MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5dfa632fd080886a0b7a3c236e15081a41929e3d617f0aeb02c06d1c5d583b67. 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: 13


Intelligence 13 IOCs 1 YARA 7 File information Comments

SHA256 hash: 5dfa632fd080886a0b7a3c236e15081a41929e3d617f0aeb02c06d1c5d583b67
SHA3-384 hash: c0a2f250ca576ccbeffe04c2e80e3fcc7390220d82a414d5c4e3917b1669e84d47719979b4f7d691ad7c4f1c3e08952f
SHA1 hash: 71bb0b13dfba27d85c16269ff6cceb4d6038a5b6
MD5 hash: b8737fd0ff13f4234cf5812cb97fbf95
humanhash: happy-april-mobile-vegan
File name:B8737FD0FF13F4234CF5812CB97FBF95.exe
Download: download sample
Signature NetWire
File size:2'905'088 bytes
First seen:2021-04-09 07:40:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 49152:yh+ZkldoPK8YawQI8IZ7sBW2S158Jysu+VOvvXT0TtL/bORQYia4oRDQDjeUpHZ7:r2cPK8LI8IsAx/vqYia4OQvB
Threatray 1'211 similar samples on MalwareBazaar
TLSH 2ED50102B3D68036FFAB92739B69B24696BC79254133852F13981D79BDB05B1233D363
Reporter abuse_ch
Tags:exe NetWire RAT


Avatar
abuse_ch
NetWire C2:
31.220.4.216:54573

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
31.220.4.216:54573 https://threatfox.abuse.ch/ioc/7316/

Intelligence


File Origin
# of uploads :
1
# of downloads :
424
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
B8737FD0FF13F4234CF5812CB97FBF95.exe
Verdict:
Suspicious activity
Analysis date:
2021-04-09 07:41:37 UTC
Tags:
n/a

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
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Deleting a recently created file
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
DNS request
Sending a UDP request
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
NetWire
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
Contains functionality to inject code into remote processes
Detected unpacking (creates a PE file in dynamic memory)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sigma detected: NetWire
Yara detected Netwire RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 384476 Sample: StEgJDJBrN.exe Startdate: 09/04/2021 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 4 other signatures 2->43 8 StEgJDJBrN.exe 2 2->8         started        11 uia.exe 1 2->11         started        13 uia.exe 1 2->13         started        process3 signatures4 53 Detected unpacking (creates a PE file in dynamic memory) 8->53 55 Binary is likely a compiled AutoIt script file 8->55 57 Injects a PE file into a foreign processes 8->57 15 StEgJDJBrN.exe 2 8->15         started        18 uia.exe 11->18         started        21 uia.exe 13->21         started        process5 dnsIp6 29 C:\Users\user\AppData\Roaming\...\uia.exe, PE32 15->29 dropped 23 uia.exe 1 15->23         started        31 clients.enigmasolutions.xyz 18->31 33 clients.enigmasolutions.xyz 21->33 file7 process8 signatures9 45 Antivirus detection for dropped file 23->45 47 Multi AV Scanner detection for dropped file 23->47 49 Detected unpacking (creates a PE file in dynamic memory) 23->49 51 4 other signatures 23->51 26 uia.exe 3 23->26         started        process10 dnsIp11 35 clients.enigmasolutions.xyz 31.220.4.216, 49729, 49739, 49751 HOSTHATCHUS Germany 26->35
Threat name:
Win32.Backdoor.NetWiredRc
Status:
Malicious
First seen:
2021-04-08 03:26:00 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
17 of 48 (35.42%)
Threat level:
  5/5
Result
Malware family:
netwire
Score:
  10/10
Tags:
family:netwire botnet persistence rat stealer
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
NetWire RAT payload
Netwire
Unpacked files
SH256 hash:
f2ff1a238aeb1a577040ffe94650adecfd999e78993ce2ec46a368eb55614a6a
MD5 hash:
4e4f9184d105a4044fbed2023bb000c6
SHA1 hash:
cf7d3f81269b1302e7e61c2ddec1e0eb2ecdb5b2
Detections:
win_netwire_g1
SH256 hash:
58741e1e78d87bc270f79c49815b2b09738a44307413c733715cb23c3a8f3b60
MD5 hash:
1345dd0b5ef42756ac7e40c959cd567c
SHA1 hash:
9cf339eda76bd6200ba4f0308c69462d1ee6d34c
Detections:
win_netwire_g1 win_netwire_auto
SH256 hash:
5dfa632fd080886a0b7a3c236e15081a41929e3d617f0aeb02c06d1c5d583b67
MD5 hash:
b8737fd0ff13f4234cf5812cb97fbf95
SHA1 hash:
71bb0b13dfba27d85c16269ff6cceb4d6038a5b6
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
Rule name:Malicious_BAT_Strings
Author:Florian Roth
Description:Detects a string also used in Netwire RAT auxilliary
Reference:https://pastebin.com/8qaiyPxs
Rule name:MALWARE_Win_NetWire
Author:ditekSHen
Description:Detects NetWire RAT
Rule name:MAL_unspecified_Jan18_1
Author:Florian Roth
Description:Detects unspecified malware sample
Reference:Internal Research
Rule name:netwire
Author:JPCERT/CC Incident Response Group
Description:detect netwire in memory
Reference:internal research
Rule name:Suspicious_BAT_Strings
Author:Florian Roth
Description:Detects a string also used in Netwire RAT auxilliary
Reference:https://pastebin.com/8qaiyPxs
Rule name:win_netwire_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Comments