MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a36e885bc0c8a691dda06f59183df0c1d9aa95d5b3be78e7f15e06112df91dd3. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a36e885bc0c8a691dda06f59183df0c1d9aa95d5b3be78e7f15e06112df91dd3
SHA3-384 hash: e9bb31331771149297eca79c4224326b581682c6647ebe7ae6ff146339ffddba52e9fc591b58a26d07e84bd297781af2
SHA1 hash: 71793267556d9a66f3c324a94cb14593cbde5e55
MD5 hash: 404a960e1f8906c4be238963f40ac58d
humanhash: carolina-hotel-october-ohio
File name:Invoice2.xll
Download: download sample
Signature NetWire
Create hunting rule
File size:1'912'320 bytes
First seen:2022-07-15 12:05:35 UTC
Last seen:2024-07-24 19:51:17 UTC
File type:Excel file xll
MIME type:application/x-dosexec
imphash 75e1447e25ba73884f51a6dc5ae38b6c (2 x NetWire)
ssdeep 49152:SfCDrrOsbxWd00QxFd3+nqrdO/aZSeEH:SfCDGoxk00Qnl+n0dl0P
Threatray 29 similar samples on MalwareBazaar
TLSH T118950226F7D7B7B4F1BEC2B9C6B1892D52B3749652B1938F6740548A29233814C3CB1E
TrID 58.0% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
34.3% (.OCX) Windows ActiveX control (116521/4/18)
3.0% (.EXE) Win64 Executable (generic) (10523/12/4)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.3% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:NetWire xll

Intelligence

File Origin
# of uploads :
3
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.generic.ml.20411.16400.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
Office Add-Ins - Suspicious
Link:
https://app.docguard.net/a36e885bc0c8a691dda06f59183df0c1d9aa95d5b3be78e7f15e06112df91dd3/results/dashboard
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/62d158793ec0b068997b7a6b/reports/54bf6a9d-ab19-4924-abc1-27cc06ec4c80/overview
Result
Verdict:
SUSPICIOUS
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.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1032492
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Creates an undocumented autostart registry key
Creates and opens a fake document (probably a fake document to hide exploiting)
Document exploit detected (process start blacklist hit)
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Snort IDS alert for network traffic
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: 664982 Sample: Invoice2.xll Startdate: 15/07/2022 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 9 other signatures 2->54 10 cmd.exe 4 2 2->10         started        process3 process4 12 EXCEL.EXE 203 59 10->12         started        15 conhost.exe 10->15         started        signatures5 68 Creates and opens a fake document (probably a fake document to hide exploiting) 12->68 17 cmd.exe 1 12->17         started        19 cmd.exe 1 12->19         started        process6 signatures7 22 appYCORRFBCKJ.txt.exe 6 17->22         started        26 certutil.exe 2 17->26         started        28 conhost.exe 17->28         started        56 Creates and opens a fake document (probably a fake document to hide exploiting) 19->56 30 certutil.exe 3 2 19->30         started        32 conhost.exe 19->32         started        process8 file9 42 C:\Users\user\AppData\...\Kymydgceq.exe, PE32 22->42 dropped 60 Creates an undocumented autostart registry key 22->60 62 Machine Learning detection for dropped file 22->62 64 Encrypted powershell cmdline option found 22->64 66 3 other signatures 22->66 34 InstallUtil.exe 2 22->34         started        38 powershell.exe 17 22->38         started        44 C:\Users\user\...\appYCORRFBCKJ.txt.exe, PE32 26->44 dropped signatures10 process11 dnsIp12 46 194.5.98.188, 3364, 49765 DANILENKODE Netherlands 34->46 58 Contains functionality to steal Chrome passwords or cookies 34->58 40 conhost.exe 38->40         started        signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a36e885bc0c8a691dda06f59183df0c1d9aa95d5b3be78e7f15e06112df91dd3/
Threat name:
Win64.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-07-15 12:06:17 UTC
File Type:
PE+ (Dll)
Extracted files:
2
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=unxiqw6azctjdxnan5mrqppqyhm2vfovwo7hrz7rlydbclpzdxjq._file
Verdict:
unknown
Similar samples:
00f2cb2064af344f06c562bd4f84899ea6db145e45bbf7fdb570749a54fbc084
NetWire
06062b94f5122b8e90cca9c672de8d16f9ea095d4f0888549583d280426b7940
NetWire
1a129b53070e067ddf5073440679c8b155d99d2c0ee1cb6326dd025dcc4c5cb3
NetWire
725ef7921a3bbdcdaab5c323e98a7117e98dc77ec8867d08be590645beffd0ae
NetWire
996cf8f61a636f8c09e5919fe6426a28b3d5b6e7865a0e46294cc0085a9e83aa
NetWire
99afafb9edf09d9430d229df428dd5532de770adbfdb5aa798574607cb6b15a2
NetWire
ca5b42fc1bbeea762b2170cc94b124ebb3731c68e445e78881fb2cc8fa6b1ccd
NetWire
f62a1c42d31a2665f1fe2ecec1895645750529f6eb9ce4a3421439bd1bff3171
NetWire
+ 19 additional samples on MalwareBazaar
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
family:netwire botnet rat stealer
Link:
https://tria.ge/reports/220715-n9qyzabebl/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
NetWire RAT payload
Netwire
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a36e885bc0c8a691dda06f59183df0c1d9aa95d5b3be78e7f15e06112df91dd3

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:Find_Any_Xll_Files
Create hunting rule
Author:David Ledbetter @Ledtech3
Description:Find Any XLL File
Rule name:Hunt_Excel_DNA_Built_XLL_Files
Create hunting rule
Author:David Ledbetter @Ledtech3
Description:Hunt for Excel Addin dll files generated with Excel-DNA builder https://excel-dna.net/
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB

File information

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

Comments