MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 883cd4d75f7b0276880dce818338ff51790f28cdf753096fdf63190804a12aa4. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 883cd4d75f7b0276880dce818338ff51790f28cdf753096fdf63190804a12aa4
SHA3-384 hash: e02ca9fd92eba578cce54890d544d4c69bfe86b0c1c82032e19a04300da5f582b9190eeb4e888d921043bf4323ecd232
SHA1 hash: 89dcb67096282b03fa49a36896f0b59a675ea5ec
MD5 hash: 3518e03bf964e21bc4ee6f580dbba31e
humanhash: uniform-three-fruit-massachusetts
File name:11_name.exe
Download: download sample
Signature NetWire
Create hunting rule
File size:1'659'392 bytes
First seen:2020-11-14 11:54:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:L9slbKZz2fP/5gbeZOcdS7lY0ISgFIQgO9T1FJfb6MtcelAMsoJE+hjJmzjk0UKn:xsPXS0/SiyyjK
Threatray 308 similar samples on MalwareBazaar
TLSH FB7546D8704EAB7783C9E33F0A5688BFA8F17A9CCA47A9888D6576F5671132C3F14450
Reporter Racco42
Tags:exe NetWire

Intelligence

File Origin
# of uploads :
1
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a window
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
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/534782
Signature
Contains functionality to hide a thread from the debugger
Contains functionality to steal Chrome passwords or cookies
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: NetWire
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected NetWire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 316490 Sample: 11_name.exe Startdate: 14/11/2020 Architecture: WINDOWS Score: 100 59 Multi AV Scanner detection for dropped file 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected NetWire RAT 2->63 65 5 other signatures 2->65 6 11_name.exe 3 4 2->6         started        10 11_name.exe 2->10         started        12 11_name.exe 2 2->12         started        14 3 other processes 2->14 process3 file4 49 C:\Users\user\AppData\Roaming\...\11_name.exe, PE32 6->49 dropped 51 C:\Users\user\...\11_name.exe:Zone.Identifier, ASCII 6->51 dropped 67 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 6->67 69 Creates an undocumented autostart registry key 6->69 71 Drops PE files to the startup folder 6->71 73 Contains functionality to hide a thread from the debugger 6->73 16 aspnet_wp.exe 2 6->16         started        20 WerFault.exe 23 9 6->20         started        75 Creates autostart registry keys with suspicious names 10->75 77 Creates multiple autostart registry keys 10->77 79 Writes to foreign memory regions 10->79 31 2 other processes 10->31 81 Hides threads from debuggers 12->81 83 Injects a PE file into a foreign processes 12->83 23 WerFault.exe 9 12->23         started        33 2 other processes 12->33 25 WerFault.exe 14->25         started        27 WerFault.exe 14->27         started        29 WerFault.exe 14->29         started        35 4 other processes 14->35 signatures5 process6 dnsIp7 53 alkaline.publicvm.com 192.3.3.144, 1777, 49741, 49742 AS-COLOCROSSINGUS United States 16->53 55 192.168.2.1 unknown unknown 16->55 57 Contains functionality to steal Chrome passwords or cookies 16->57 37 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 20->37 dropped 39 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 23->39 dropped 41 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 25->41 dropped 43 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 27->43 dropped 45 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 29->45 dropped 47 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 31->47 dropped file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/883cd4d75f7b0276880dce818338ff51790f28cdf753096fdf63190804a12aa4/
Threat name:
ByteCode-MSIL.Backdoor.NetWiredRc
Create hunting rule
Status:
Malicious
First seen:
2020-11-10 09:49:34 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ra6njv27pmbhncanz2aygoh7kf4q6kgn65jqs367mmmqqbfbfksa._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
040a69fe6d68904cbb33cffa3930c2a9d2d4a16377c730e8db78386034e1bfd3
NetWire
11a0a7f8a1ad05d1989ae7ce089843379c1b6ab748e3e14d81061004cdcf1b1b
NetWire
1ca56622a5046a55fd09c9cdc61c262d9db3a009a88e0314e7bb9c64c973e9a7
NetWire
4fc5c83ab8d45e9b46bc1ab2a20e653d868e57f357b7f5b4ba433706594bc2ca
NetWire
65f6a568a39f5285acc4fd58563be987f6a128165ae0b89cffc038a26f4e54b6
NetWire
76f20f51dda2d37c9e1c9ddff49fa03defa148abcfd399dfd2c0633f5609cc7d
NetWire
ba468ce1204233cbcb5d473ac13cd5554588480c0186f52e0bd7f091eb3f081c
NetWire
cf3b59c22659d7931cf9d0338d57af01d63fbb8363ebc4c86be884194ef62e40
NetWire
e6db6d5f9019bdefffc749264a267c1927dcf5eba5a7ea3dfb10db457b6b2a16
NetWire
fcfc89b5ad3b4e406664cdd8408f56fe8b0c9a9eeb50fc821f2e89a9785c9f3e
NetWire
+ 298 additional samples on MalwareBazaar
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
family:netwire botnet evasion persistence rat stealer
Link:
https://tria.ge/reports/201114-m6jggawzmx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Drops startup file
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Modifies WinLogon for persistence
NetWire RAT payload
Netwire
Unpacked files
SH256 hash:
883cd4d75f7b0276880dce818338ff51790f28cdf753096fdf63190804a12aa4
MD5 hash:
3518e03bf964e21bc4ee6f580dbba31e
SHA1 hash:
89dcb67096282b03fa49a36896f0b59a675ea5ec
Link:
https://www.unpac.me/results/f09fbff5-9df3-4c94-a932-af0af8407de7/
SH256 hash:
aaedded689afc2106094f99b196bf51f178b15b53f9e83690b87987f75536128
MD5 hash:
30db3c12affe00f639e17472f9926996
SHA1 hash:
2a775ddb75aa50b300413ba796664ec440bb69b1
Detections:
win_netwire_g1
Create hunting rule
win_netwire_auto
Create hunting rule
Link:
https://www.unpac.me/results/f09fbff5-9df3-4c94-a932-af0af8407de7/
SH256 hash:
971564113ad493d3141ae43ecb3fd9fb55005dca35d18805b5d4c4339aef7da1
MD5 hash:
381a590420624fa9f4d542fe93e1c956
SHA1 hash:
ba067f3d2bac9ef75438e5a1bc0a14b221c90dc0
Link:
https://www.unpac.me/results/f09fbff5-9df3-4c94-a932-af0af8407de7/
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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:win_netwire_auto
Create hunting rule
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.

Malspam

NetWire

Visual Basic Script (vbs) vbs 3ad6ce8aaf456bd0cfd4ea3f7be02d9d08b5e74249e1bb49be61ff58ed61f675

NetWire

Executable exe 883cd4d75f7b0276880dce818338ff51790f28cdf753096fdf63190804a12aa4

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 3ad6ce8aaf456bd0cfd4ea3f7be02d9d08b5e74249e1bb49be61ff58ed61f675

Comments