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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d1ecef30621154b4beb3e098b0076f538ef00c5cbf3c68d3df38b8f04ec4bb2. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d1ecef30621154b4beb3e098b0076f538ef00c5cbf3c68d3df38b8f04ec4bb2
SHA3-384 hash: bcd42cc2160be4dd56385b4774e07dc81485a0fb474ee954117031a9339bbd8bb43ac430e45cd17bf42cd6c06bdc08a5
SHA1 hash: 9cb4ad3b1831eba37ed57d038dbcb6a70eea95a2
MD5 hash: e1b603be0715ffe695541115589d1eef
humanhash: sweet-november-idaho-tennessee
File name:e1b603be0715ffe695541115589d1eef
Download: download sample
Signature WannaCry
Create hunting rule
File size:5'267'459 bytes
First seen:2022-07-20 04:00:24 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 3072:cV+LydVaND9y/m3aILEVTCW5DgSglPcTcMXaDfldx0dFJtkoeV0XXg6:yE9l9yeqIYVTH5DgSg8ajldktM0XXr
Threatray 264 similar samples on MalwareBazaar
TLSH T16E36C00A269C80F8C459927194B74F25E7B7BC1E1638C64F1B64DB660F63391B978F13
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 :
207
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292440/
Detection(s):
Win.Ransomware.Wanna-9769986-0
Create hunting rule

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

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CVE-2017-0147 encrypt eternalblue exploit greyware greyware overlay packed packed ransomware wanna wannacry wannacryptor wcry worm
Link:
https://www.filescan.io/uploads/62d77e828fbcdde3605ef8f3/reports/e2a0733b-be84-4d51-aa7e-ce5ffd537558/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9a5f052c-e347-410e-b62b-8e560b351883
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1037076
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to many different private IPs (likely to spread or exploit)
Connects to many different private IPs via SMB (likely to spread or exploit)
Connects to many IPs within the same subnet mask (likely port scanning)
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: 669570 Sample: TS2rhAn9BX Startdate: 20/07/2022 Architecture: WINDOWS Score: 100 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus / Scanner detection for submitted sample 2->71 73 Multi AV Scanner detection for dropped file 2->73 75 4 other signatures 2->75 10 loaddll32.exe 1 2->10         started        12 mssecsvc.exe 2->12         started        16 svchost.exe 2->16         started        18 11 other processes 2->18 process3 dnsIp4 20 cmd.exe 1 10->20         started        22 rundll32.exe 10->22         started        25 rundll32.exe 1 10->25         started        63 192.168.2.120 unknown unknown 12->63 65 192.168.2.121 unknown unknown 12->65 67 99 other IPs or domains 12->67 87 Connects to many different private IPs via SMB (likely to spread or exploit) 12->87 89 Connects to many different private IPs (likely to spread or exploit) 12->89 91 Changes security center settings (notifications, updates, antivirus, firewall) 16->91 28 MpCmdRun.exe 16->28         started        93 Query firmware table information (likely to detect VMs) 18->93 signatures5 process6 file7 30 rundll32.exe 20->30         started        79 Drops executables to the windows directory (C:\Windows) and starts them 22->79 32 mssecsvc.exe 7 22->32         started        57 C:\Windows\mssecsvc.exe, PE32 25->57 dropped 37 conhost.exe 28->37         started        signatures8 process9 dnsIp10 39 mssecsvc.exe 7 30->39         started        59 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.h 32->59 53 C:\WINDOWS\qeriuwjhrf (copy), PE32 32->53 dropped 77 Drops executables to the windows directory (C:\Windows) and starts them 32->77 44 tasksche.exe 32->44         started        file11 signatures12 process13 dnsIp14 61 hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.h 39->61 55 C:\Windows\tasksche.exe, PE32 39->55 dropped 81 Antivirus detection for dropped file 39->81 83 Multi AV Scanner detection for dropped file 39->83 85 Machine Learning detection for dropped file 39->85 46 tasksche.exe 39->46         started        49 WerFault.exe 3 9 44->49         started        file15 signatures16 process17 signatures18 95 Multi AV Scanner detection for dropped file 46->95 51 WerFault.exe 20 9 46->51         started        process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8d1ecef30621154b4beb3e098b0076f538ef00c5cbf3c68d3df38b8f04ec4bb2/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2017-09-28 20:10:13 UTC
File Type:
PE (Dll)
Extracted files:
3
AV detection:
26 of 30 (86.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rupm54ygeekuws7lhyeywadw6u4o6agfzpz4ndj56ofy6bhmjoza._file
Verdict:
malicious
Similar samples:
1eef54fd2c7c89dd0cb37eaa1aca24b359573d9fafce7e4b5945712896d85115
WannaCry
2b24654e5faf1b0e1210478bdf8b5bf1770836fa4dab32994340beceb587b621
WannaCry
40817631c9126d9c6ee51ed0bfae33a33c81c21188384b6f3ccbbf14aeadf272
WannaCry
4f3efd02972af5aab87a78672b1439578b8c7f2598abdbd4ae78f00138ee31b7
WannaCry
80af5e08895469ebfa7e5b1e6f4209dd01711c8e18774aa2630eb34fe9afdafd
WannaCry
8c1ef884611f42e99c832194d6d1d446c0a99cf8070e556e6b15204327cf3d84
WannaCry
8de495d0f6c9b65bd1e5ef586b1f05864c0fb50485b8d71097c94ee2ca99121a
WannaCry
b526b497766170557454e63bcb3c759d79ef853a157f13ab6b9cc9b9c022bbb6
WannaCry
c75a86773ca170086b4ab1041bbe86ac5781c43ad98c2c26c43ee89bec65ee0c
WannaCry
eac6b0bbe69ef8c0dc8e36cbff6d5c2a7cb4d662f4d88e5bc8b596b2275d694b
WannaCry
+ 254 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-ek8caacbfn/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Drops file in System32 directory
Creates a large amount of network flows
Contacts a large (1280) amount of remote hosts
Executes dropped EXE
Contacts a large (3299) amount of remote hosts
Wannacry
Unpacked files
SH256 hash:
8d1ecef30621154b4beb3e098b0076f538ef00c5cbf3c68d3df38b8f04ec4bb2
MD5 hash:
e1b603be0715ffe695541115589d1eef
SHA1 hash:
9cb4ad3b1831eba37ed57d038dbcb6a70eea95a2
Link:
https://www.unpac.me/results/d118fae3-3c7b-46a3-b686-7ceafd021a23/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8d1ecef30621/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/8d1ecef30621154b4beb3e098b0076f538ef00c5cbf3c68d3df38b8f04ec4bb2

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: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/292440/

Comments