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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2d88371aa74b2c808af0620970a9da4f846bfeaca2041bd56c9e2b74caa6499. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2d88371aa74b2c808af0620970a9da4f846bfeaca2041bd56c9e2b74caa6499
SHA3-384 hash: 7193cd93d2ac6228284e06106fee4a7f87ad58d88953654134090801a29a647a14381203ce52aeb5e10de1e400d28264
SHA1 hash: 582b718e5631ef1d2c51d75cccceafe12f2b4822
MD5 hash: 424e477aa0db1389380707253673502c
humanhash: connecticut-charlie-yellow-speaker
File name:a2d88371aa74b2c808af0620970a9da4f846bfeaca2041bd56c9e2b74caa6499
Download: download sample
Signature WannaCry
Create hunting rule
File size:1'609'728 bytes
First seen:2022-10-12 03:40:28 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:SbLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626M+vbO1:SnAQqMSPbcBVQej/1INRx+6
Threatray 1'085 similar samples on MalwareBazaar
TLSH T1A975235E317CD1FCD10A66755467CE67D6F33C5A22B8AA0F8F448AA60C03769AF64B03
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 petikvx
Tags:WannaCry

Intelligence

File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/319138/
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-6803937-0
Create hunting rule

Win.Ransomware.Wannacrypt-6804263-0
Create hunting rule

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

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

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Searching for the window
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/6346375467135c9da2467586/reports/e85dd4d6-9c3c-4800-a099-53ea5341975c/overview
Malware family:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/adc2102c-9bd6-4ba2-b5a7-17c7afa5cbde
Result
Threat name:
Wannacry
Create hunting rule
Detection:
malicious
Classification:
rans
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1088485
Signature
Antivirus detection for URL or domain
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Wannacry ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 721079 Sample: kinxaKmgsX.dll Startdate: 12/10/2022 Architecture: WINDOWS Score: 76 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 2 other signatures 2->42 14 loaddll32.exe 1 2->14         started        process3 process4 16 cmd.exe 1 14->16         started        18 conhost.exe 14->18         started        process5 20 rundll32.exe 16->20         started        process6 22 rundll32.exe 20->22         started        process7 24 rundll32.exe 22->24         started        process8 26 rundll32.exe 24->26         started        process9 28 rundll32.exe 26->28         started        process10 30 rundll32.exe 28->30         started        process11 32 rundll32.exe 30->32         started        process12 34 rundll32.exe 32->34         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2d88371aa74b2c808af0620970a9da4f846bfeaca2041bd56c9e2b74caa6499/
Threat name:
Win32.Ransomware.WannaCry
Create hunting rule
Status:
Malicious
First seen:
2022-10-12 03:41:35 UTC
File Type:
PE (Dll)
Extracted files:
4
AV detection:
38 of 42 (90.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ulmig4nkoszmqcfpayqjocu5ut4enp7kziqedpkwzhrlotfkmsmq._file
Verdict:
malicious
Similar samples:
016b40a769d4d34da8cdf3bf08a166c3243b659c31c152d3c0899993a7aa8f07
WannaCry
0ca55fe01cf52696f424100ee6de4e8dd262ce1c83257d22bc3edc42c30fb944
WannaCry
3befcb73c9497db265428aa3dc0b0692fa5722344d4a772b25973e244b085266
WannaCry
53d1efc21234848acd0610876f9888836cdaca9cba20bd5a74196ea76f808080
WannaCry
565b91a32eff14c669952712d73bc0d375e7636a1fe1cd7a69eb3b8154d7ae1a
WannaCry
b95ce7cf432b0a9af6affc3637c377b7aea5da351b433513e4136f4741a43357
WannaCry
bb1611ffc0faf19c968b81c81f45490692be6a0ed26facc377790aae798e2271
WannaCry
d6a6375525eea8dd410d8dd6a98130f607b665e3ab7cd2824d84bdab5db66381
WannaCry
ec29f4db6e43c8bfad91f4d2910c6db42b975d33f7a51c69ea9e0dc9d400584f
WannaCry
f2cf2c68920d3812d76104aa8388cfa07934c53a39e8f48e098a282ddccbfbcf
WannaCry
+ 1'075 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/221012-d8r5jacce4/
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
a2d88371aa74b2c808af0620970a9da4f846bfeaca2041bd56c9e2b74caa6499
MD5 hash:
424e477aa0db1389380707253673502c
SHA1 hash:
582b718e5631ef1d2c51d75cccceafe12f2b4822
Link:
https://www.unpac.me/results/d049683e-4bee-4c0b-bc16-c845fee6acf2/
Malware family:
WannaCry
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a2d88371aa74/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/a2d88371aa74b2c808af0620970a9da4f846bfeaca2041bd56c9e2b74caa6499

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
Rule name:WannaCry_Ransomware_Gen
Create hunting rule
Author:Florian Roth (based on rule by US CERT)
Description:Detects WannaCry Ransomware
Reference:https://www.us-cert.gov/ncas/alerts/TA17-132A
Rule name:WannaCry_Ransomware_Gen_RID302B
Create hunting rule
Author:Florian Roth (based on rule by US CERT)
Description:Detects WannaCry Ransomware
Reference:https://www.us-cert.gov/ncas/alerts/TA17-132A

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/319138/

Comments