MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a08affbf0b72b993cc827615ae916ae9eef32484c1252e3ab403ec091d28f5e0. 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



TeamBot


Vendor detections: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: a08affbf0b72b993cc827615ae916ae9eef32484c1252e3ab403ec091d28f5e0
SHA3-384 hash: 4f36d445f8bc006e54308ae7e184af74e6225a1313c8a8f94edb85ffcb0cce425e87cf61054d45626eeeb92bfad43c65
SHA1 hash: 3f7b82abaa94e79757b252bf60dd0548b0702740
MD5 hash: 9a4b68d515148c85f64ac25276af2dd6
humanhash: echo-monkey-fourteen-king
File name:9a4b68d515148c85f64ac25276af2dd6.exe
Download: download sample
Signature TeamBot
File size:745'472 bytes
First seen:2021-07-07 05:47:18 UTC
Last seen:2021-07-07 06:54:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1032a46fd4e2ff5ee27353305df6f8f2 (1 x TeamBot)
ssdeep 12288:n0bGavFcOoREFvtgmYwRO8VXpL7KU69pP7cY6yrfDIx1m:OJtIibYYxBq9AYxPIxQ
Threatray 337 similar samples on MalwareBazaar
TLSH 72F422E17650CD76C24208303530C6B1EB7BBC726B724947F2893B6A9D771A1A6FA353
Reporter abuse_ch
Tags:exe TeamBot

Intelligence


File Origin
# of uploads :
2
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9a4b68d515148c85f64ac25276af2dd6.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-07 05:50:16 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Djvu Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 445107 Sample: ztr3AvK8Oq.exe Startdate: 07/07/2021 Architecture: WINDOWS Score: 100 83 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->83 85 Multi AV Scanner detection for domain / URL 2->85 87 Found malware configuration 2->87 89 7 other signatures 2->89 12 ztr3AvK8Oq.exe 2->12         started        15 ztr3AvK8Oq.exe 2->15         started        17 ztr3AvK8Oq.exe 2->17         started        process3 signatures4 107 Detected unpacking (changes PE section rights) 12->107 109 Detected unpacking (overwrites its own PE header) 12->109 111 Contains functionality to inject code into remote processes 12->111 113 Writes many files with high entropy 12->113 19 ztr3AvK8Oq.exe 1 18 12->19         started        115 Injects a PE file into a foreign processes 15->115 23 ztr3AvK8Oq.exe 13 15->23         started        25 ztr3AvK8Oq.exe 17->25         started        process5 dnsIp6 77 api.2ip.ua 77.123.139.190, 443, 49713, 49718 VOLIA-ASUA Ukraine 19->77 61 C:\Users\...\ztr3AvK8Oq.exe:Zone.Identifier, ASCII 19->61 dropped 27 ztr3AvK8Oq.exe 19->27         started        30 icacls.exe 19->30         started        file7 process8 signatures9 105 Injects a PE file into a foreign processes 27->105 32 ztr3AvK8Oq.exe 1 23 27->32         started        process10 dnsIp11 71 dgos.top 135.181.250.8, 49721, 80 HETZNER-ASDE Germany 32->71 73 astdg.top 186.7.66.127, 49722, 80 CompaniaDominicanadeTelefonosSADO Dominican Republic 32->73 75 api.2ip.ua 32->75 53 C:\Users\user\AppData\Local\...\build2.exe, PE32 32->53 dropped 55 C:\Users\user\...\HxCommAlwaysOnLog_Old.etl, DOS 32->55 dropped 57 C:\Users\user\...\UnistackCritical.etl, DOS 32->57 dropped 59 175 other files (165 malicious) 32->59 dropped 91 Modifies existing user documents (likely ransomware behavior) 32->91 37 build2.exe 32->37         started        file12 signatures13 process14 signatures15 93 Detected unpacking (changes PE section rights) 37->93 95 Detected unpacking (overwrites its own PE header) 37->95 97 Injects a PE file into a foreign processes 37->97 40 build2.exe 37->40         started        process16 dnsIp17 79 sergeevih43.tumblr.com 74.114.154.22, 443, 49728 AUTOMATTICUS Canada 40->79 81 162.55.223.232, 49730, 80 ACPCA United States 40->81 63 C:\Users\user\AppData\...\softokn3[1].dll, PE32 40->63 dropped 65 C:\Users\user\AppData\...\freebl3[1].dll, PE32 40->65 dropped 67 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 40->67 dropped 69 9 other files (none is malicious) 40->69 dropped 99 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 40->99 101 Tries to harvest and steal browser information (history, passwords, etc) 40->101 103 Tries to steal Crypto Currency Wallets 40->103 45 cmd.exe 40->45         started        file18 signatures19 process20 process21 47 conhost.exe 45->47         started        49 taskkill.exe 45->49         started        51 timeout.exe 45->51         started       
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2021-07-07 05:48:18 UTC
AV detection:
25 of 46 (54.35%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Modifies extensions of user files
Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://sergeevih43.tumblr.com
Unpacked files
SH256 hash:
a08affbf0b72b993cc827615ae916ae9eef32484c1252e3ab403ec091d28f5e0
MD5 hash:
9a4b68d515148c85f64ac25276af2dd6
SHA1 hash:
3f7b82abaa94e79757b252bf60dd0548b0702740
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_SUSPICOIUS_WindDefender_AntiEmaulation
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:SUSP_XORed_URL_in_EXE
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Vidar
Author:kevoreilly
Description:Vidar Payload
Rule name:with_sqlite
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information


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

Web download

TeamBot

Executable exe a08affbf0b72b993cc827615ae916ae9eef32484c1252e3ab403ec091d28f5e0

(this sample)

  
Delivery method
Distributed via web download

Comments