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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b705fc7439484ce60390fc18da8d007cd22b50814d8bc6377aeace29259d67b. 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


WannaCry


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b705fc7439484ce60390fc18da8d007cd22b50814d8bc6377aeace29259d67b
SHA3-384 hash: 0b7fb88ec5b3a5b1951ed9ccf525888a8d8cf9b720977633b2210f519acc9321048e03dff85af5eb47826bd3cd2ce93f
SHA1 hash: 30a1a972956cdadb1cf6bcf2b3da0d9bd3913160
MD5 hash: 5487a25a022a0e11c478a205868e6903
humanhash: autumn-ink-failed-washington
File name:5487a25a022a0e11c478a205868e6903
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 03:37:08 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 2e5708ae5fed0403e8117c645fb23e5b (1'124 x WannaCry, 7 x Worm.Virut, 2 x Expiro)
ssdeep 24576:JbLgdeQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLK:JnjQqMSPbcBVQej/1IN
Threatray 237 similar samples on MalwareBazaar
TLSH T15D3623AA757C91FCC106277564B78A67D6F73C5A22BDAA0F8F408A620C03754AF94B43
TrID 38.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
13.0% (.EXE) Win64 Executable (generic) (10523/12/4)
8.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter openctibr
Tags:dll OpenCTI.BR Sandboxed

Intelligence

File Origin
# of uploads :
1
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292397/
Detection(s):
Win.Ransomware.Wanna-9769986-0
Create hunting rule

Win.Ransomware.Wannacryptor-9940180-0
Create hunting rule

Win.Ransomware.Wanacryptor-9942127-1
Create hunting rule

Win.Ransomware.WannaCry-6313787-0
Create hunting rule

Win.Malware.Djwy-6775897-0
Create hunting rule

Win.Ransomware.Wanna-6888027-0
Create hunting rule

Win.Ransomware.Wanna-6888334-0
Create hunting rule

Win.Malware.Djwy-6923377-0
Create hunting rule

Win.Exploit.Doublepulsar-7427328-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe greyware greyware overlay packed ransomware shell32.dll wanna wannacry worm
Link:
https://www.filescan.io/uploads/62d778de8fbcdde3605eebf3/reports/ba75a5a3-cb13-495b-925d-ee93c9f2c723/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/aadb5bfd-662f-4411-9f55-ebb7d7de0f4d
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1037060
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many different private IPs (likely to spread or exploit)
Connects to many different private IPs via SMB (likely to spread or exploit)
Detected Wannacry Ransomware
Drops executables to the windows directory (C:\Windows) and starts them
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 669554 Sample: VbmyaJM8W1 Startdate: 20/07/2022 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 3 other signatures 2->60 9 loaddll32.exe 1 2->9         started        11 mssecsvc.exe 2->11         started        15 svchost.exe 2->15         started        17 6 other processes 2->17 process3 dnsIp4 19 cmd.exe 1 9->19         started        21 rundll32.exe 9->21         started        24 rundll32.exe 1 9->24         started        48 192.168.2.120 unknown unknown 11->48 50 192.168.2.121 unknown unknown 11->50 52 98 other IPs or domains 11->52 78 Connects to many different private IPs via SMB (likely to spread or exploit) 11->78 80 Connects to many different private IPs (likely to spread or exploit) 11->80 82 Query firmware table information (likely to detect VMs) 15->82 signatures5 process6 file7 27 rundll32.exe 19->27         started        68 Drops executables to the windows directory (C:\Windows) and starts them 21->68 29 mssecsvc.exe 1 21->29         started        44 C:\Windows\mssecsvc.exe, PE32 24->44 dropped signatures8 process9 file10 33 mssecsvc.exe 1 27->33         started        46 C:\WINDOWS\qeriuwjhrf (copy), PE32 29->46 dropped 84 Drops executables to the windows directory (C:\Windows) and starts them 29->84 37 tasksche.exe 29->37         started        signatures11 process12 file13 42 C:\Windows\tasksche.exe, PE32 33->42 dropped 62 Antivirus detection for dropped file 33->62 64 Multi AV Scanner detection for dropped file 33->64 66 Machine Learning detection for dropped file 33->66 39 tasksche.exe 33->39         started        signatures14 process15 signatures16 70 Detected Wannacry Ransomware 39->70 72 Antivirus detection for dropped file 39->72 74 Multi AV Scanner detection for dropped file 39->74 76 Machine Learning detection for dropped file 39->76
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b705fc7439484ce60390fc18da8d007cd22b50814d8bc6377aeace29259d67b/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2019-08-05 20:22:54 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
37 of 41 (90.24%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pnyf7r2dsscm4ybzb7ay3kgqa7gsfniictmlyy3xv2wofesz2z5q._file
Verdict:
malicious
Similar samples:
01354b983b9fdd062a07bc81eba06d4ba422a04417577f61949f4cbfef767777
WannaCry
0b6e9d6b978adda20feed22f0be3a01ad87e5a73aac915a0a8cb8d9837863701
WannaCry
2024554e986424694456a50e8fe058bc9e9de98c98f52b55728a506b9235fc09
WannaCry
2557610c7a60f790051868762f9907822e52b2a40c09d3b9c8b241fe1ea28a01
WannaCry
552249b242e9857e66ca1c2b55e55ecaa354017e1f1fcd2c7ba60388eba99ac5
WannaCry
62e5d8ea63ae2492f323107d28a77295f51f920f03cd135f111c11b20ea36c78
WannaCry
84ac0e73d6980f73c61d410013af7fd3615ab730df2168b48a3323ae98c173d3
WannaCry
b77665487dd354f83ab68f978f8cc82afa45c8e5083224aa9fbb4d81c4b69f97
WannaCry
d6cb63f23b784915ebd8ac1b195c46251fa1241b324beb99a61d7c4ba27ea99b
WannaCry
f72d753cc258c7db1afff98235715b9b0824550009dc63090593ce078793ee84
WannaCry
+ 227 additional samples on MalwareBazaar
Result
Malware family:
wannacry
Create hunting rule
Score:
  10/10
Tags:
family:wannacry discovery ransomware worm
Link:
https://tria.ge/reports/220720-d627qabdf5/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Drops file in System32 directory
Creates a large amount of network flows
Contacts a large (1271) amount of remote hosts
Executes dropped EXE
Contacts a large (3159) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
7b705fc7439484ce60390fc18da8d007cd22b50814d8bc6377aeace29259d67b
MD5 hash:
5487a25a022a0e11c478a205868e6903
SHA1 hash:
30a1a972956cdadb1cf6bcf2b3da0d9bd3913160
Link:
https://www.unpac.me/results/1c91e071-fcc0-474b-8db2-db20f0c59156/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b705fc74394/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/7b705fc7439484ce60390fc18da8d007cd22b50814d8bc6377aeace29259d67b

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:WannaCry_Ransomware
Create hunting rule
Author:Florian Roth (with the help of binar.ly)
Description:Detects WannaCry Ransomware
Reference:https://goo.gl/HG2j5T

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/292397/

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