MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb4ed5f6140aa6e26adf5408f9924e5263b9c0fa3b66cec699f7e50eb893537c. 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


Threat unknown


Vendor detections: 3


Intelligence 3 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eb4ed5f6140aa6e26adf5408f9924e5263b9c0fa3b66cec699f7e50eb893537c
SHA3-384 hash: 4d1721289342232d51c6d0bd062c99920a5720c1f94f28a3f8de60965bfa32653a8640d414594dd74d1424bdce24936d
SHA1 hash: 4afa6d150ea57b2301149e93c63769d8f1399664
MD5 hash: 2d6fd4cc2dc401c05dbc9089bea70990
humanhash: tennis-north-quebec-maine
File name:tailscale-ipn-setup-1.18.2.exe
Download: download sample
File size:23'556'648 bytes
First seen:2021-12-19 20:17:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT)
ssdeep 393216:ZWKkJuYbK65rESq6vA4YvbDD2i8FfQyNCoruduO4csz5SGjsxzCJQYb5w0IA3ijL:ZWp9bKAESzvu27oyzrUfsz5SDmbw0d3y
Threatray 3 similar samples on MalwareBazaar
TLSH T1773733B250F1091DC7A784B1AF3124DD5B2411ADBA6F7166FAA30920F5B38A1C3DDCB9
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter DavidPickel
Tags:exe signed

Code Signing Certificate

Organisation:Tailscale Inc.
Issuer:DigiCert EV Code Signing CA (SHA2)
Algorithm:sha256WithRSAEncryption
Valid from:2021-05-12T00:00:00Z
Valid to:2022-05-10T23:59:59Z
Serial number: 09e108198eea2af3baa4b69ad304ed56
Thumbprint Algorithm:SHA256
Thumbprint: 49b2a651ab4c58b955399b2c34fbaea5fcb3665b4d97f30346e7738635d47028
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Ransomware.Hive-9916034-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed ransomware
Link:
https://www.filescan.io/uploads/61bf93818991ba72b38d518a/reports/0565ea5d-7239-4789-a060-dc17d45f0a78/overview
Result
Verdict:
UNKNOWN
Result
Threat name:
Unknown
Detection:
suspicious
Classification:
evad
Score:
36 / 100
Link:
https://www.joesandbox.com/analysis/909895
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Machine Learning detection for dropped file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 542373 Sample: tailscale-ipn-setup-1.18.2.exe Startdate: 19/12/2021 Architecture: WINDOWS Score: 36 63 log.tailscale.io 2->63 71 Machine Learning detection for dropped file 2->71 10 tailscale-ipn-setup-1.18.2.exe 11 26 2->10         started        13 svchost.exe 2->13         started        16 tailscaled.exe 6 2->16         started        19 13 other processes 2->19 signatures3 process4 dnsIp5 45 C:\...\Uninstall-Tailscale.exe, PE32 10->45 dropped 47 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 10->47 dropped 49 C:\Users\user\AppData\Local\...\UserInfo.dll, PE32 10->49 dropped 51 6 other files (none is malicious) 10->51 dropped 21 tailscale-ipn.exe 10->21         started        23 tailscale-ipn-new.exe 10->23         started        73 Changes security center settings (notifications, updates, antivirus, firewall) 13->73 25 MpCmdRun.exe 13->25         started        59 log.tailscale.io 34.210.105.16, 443, 49745, 49746 AMAZON-02US United States 16->59 61 192.168.2.1 unknown unknown 16->61 27 tailscaled.exe 3 6 16->27         started        30 drvinst.exe 19->30         started        32 drvinst.exe 19->32         started        file6 signatures7 process8 file9 34 tailscale-ipn.exe 5 21->34         started        37 conhost.exe 25->37         started        53 C:\Windows\Temp\...\wintun.sys, PE32+ 27->53 dropped 39 conhost.exe 27->39         started        55 C:\Windows\System32\...\wintun.sys (copy), PE32+ 30->55 dropped 57 C:\Windows\System32\...\SET9710.tmp, PE32+ 30->57 dropped process10 dnsIp11 65 pkgs.tailscale.com 167.172.11.40, 443, 49753 DIGITALOCEAN-ASNUS United States 34->65 67 127.0.0.1 unknown unknown 34->67 69 log.tailscale.io 34->69 41 cmd.exe 34->41         started        process12 process13 43 conhost.exe 41->43         started       
Gathering data
Verdict:
unknown
Similar samples:
5cbea0c2d3f18aafe1c3ab60b3d670bcc47e4001f26c8923c3e4735e6964708c
6cc8e13f66166e615a847f9444a0258b0e7a01fb8e607c49c482b2b4d50cd829
d708ff93f30255df025e9335dd05fc2f9bd818cb0925d8889d95cb477cfc81f2
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/211219-y3azaahab4/
Behaviour
Enumerates physical storage devices
Loads dropped DLL
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/eb4ed5f6140aa6e26adf5408f9924e5263b9c0fa3b66cec699f7e50eb893537c

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader

File information

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

Comments