MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd81a9361b8715dd584205fd2fca8f3c8d6fc3178ed8548674fcbd315b95a0a4. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd81a9361b8715dd584205fd2fca8f3c8d6fc3178ed8548674fcbd315b95a0a4
SHA3-384 hash: 2e4416b331dba87f1351cdc9f7bf34a3a498314548fa2bc502c7d58410c59761d6766fdc96c4586e759fa1a0168720e5
SHA1 hash: 8f225ff0960262fac0347dfdcbc88d426894b9d5
MD5 hash: 1dbc1cef51bc3e9fbfadaf53347c0416
humanhash: winter-purple-potato-solar
File name:1dbc1cef51bc3e9fbfadaf53347c0416.exe
Download: download sample
Signature TeamBot
Create hunting rule
File size:773'120 bytes
First seen:2021-07-13 13:19:18 UTC
Last seen:2021-07-13 14:01:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d203f3abe5eb4b94121d513952884a24 (1 x TeamBot)
ssdeep 12288:B1GOix6nVBdVJVSXRlmT9QiQRInvzLS0KlwcvknBGz9mo:3iYJVJo6T9TnvwwcvkBGz
Threatray 355 similar samples on MalwareBazaar
TLSH T178F4122171B5C033E0B34572147AC65026BBF82B15B5A98F77873FBE5E311C2B9A634A
Reporter abuse_ch
Tags:exe TeamBot

Intelligence

File Origin
# of uploads :
2
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1dbc1cef51bc3e9fbfadaf53347c0416.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-13 13:38:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4a6bad69-fe1e-4ab5-8b8e-44023c27160b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/171427/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware2.11801.10815.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
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:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6c02dd9d-55aa-4483-bc6a-cd71916d2348
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.spre.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/815644
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 ransom note / readme
Infects executable files (exe, dll, sys, html)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Writes many files with high entropy
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 448058 Sample: pVcuEVTNVb.exe Startdate: 13/07/2021 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 4 other signatures 2->57 8 pVcuEVTNVb.exe 2->8         started        11 pVcuEVTNVb.exe 2->11         started        13 pVcuEVTNVb.exe 2->13         started        process3 signatures4 61 Detected unpacking (changes PE section rights) 8->61 63 Detected unpacking (overwrites its own PE header) 8->63 65 Contains functionality to inject code into remote processes 8->65 67 Writes many files with high entropy 8->67 15 pVcuEVTNVb.exe 1 18 8->15         started        69 Injects a PE file into a foreign processes 11->69 19 pVcuEVTNVb.exe 13 11->19         started        21 pVcuEVTNVb.exe 13 13->21         started        process5 dnsIp6 49 api.2ip.ua 77.123.139.190, 443, 49707, 49716 VOLIA-ASUA Ukraine 15->49 33 C:\Users\...\pVcuEVTNVb.exe:Zone.Identifier, ASCII 15->33 dropped 23 pVcuEVTNVb.exe 15->23         started        26 icacls.exe 15->26         started        file7 process8 signatures9 59 Injects a PE file into a foreign processes 23->59 28 pVcuEVTNVb.exe 1 20 23->28         started        process10 dnsIp11 43 dgos.top 143.244.136.162, 80 COGENT-174US United States 28->43 45 astdg.top 181.129.180.251, 49720, 80 EPMTelecomunicacionesSAESPCO Colombia 28->45 47 api.2ip.ua 28->47 35 C:\Users\user\AppData\...\settingsglobals.txt, COM 28->35 dropped 37 C__Windows_SystemA...he_Desktop_3[1].txt, COM 28->37 dropped 39 C:\Users\user\AppData\...\DefaultLayouts.xml, DOS 28->39 dropped 41 178 other files (170 malicious) 28->41 dropped 71 Tries to harvest and steal browser information (history, passwords, etc) 28->71 73 Infects executable files (exe, dll, sys, html) 28->73 75 Modifies existing user documents (likely ransomware behavior) 28->75 file12 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bd81a9361b8715dd584205fd2fca8f3c8d6fc3178ed8548674fcbd315b95a0a4/
Threat name:
Win32.Trojan.Azorult
Create hunting rule
Status:
Malicious
First seen:
2021-07-13 13:20:14 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xwa2snq3q4k52wccax6s7suphsgw7qyxr3mfjbtu7s6tcw4vucsa._file
Verdict:
malicious
Similar samples:
0e55e17532909ad5ad34eb4e35d791b27c6951dd15a8baba34c29ae572c884d0
TeamBot
217db596785d9b7b31ed6c2333c654bf974810dc7ececfd19fcfbb695cfae622
TeamBot
7c75df63bc40beca5ccf65db76c33539ee9f3468a4149e1a0c0bfd30949f4b4d
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869bd0ca39150a6e0f87609ca7e927211ba9cf636b69c33c3cd09db85922dd94
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99ee06f5fb4f0aa90678d6a6405d2d01138bcd128c6d2aabecda07c110361ba2
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a08affbf0b72b993cc827615ae916ae9eef32484c1252e3ab403ec091d28f5e0
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a3c074948f5e3d2b89f0035bbf7bd74b1a3ec0525dc1496b4463f55ef15f3521
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e9dda7fbf6815a714cac3c369a5c7f137db0c53b09a804db968612d17bed855b
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ed8a7ffec56f450a365e758012db092883bbd23565f3f9fbb004c189fb703de3
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ff9e059a789e94573fb32a918657d5c5c59b5395fab873cbcec7b1543435fe93
TeamBot
+ 345 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/210713-vrcjg2855s/
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://olegf9844.tumblr.com/
Unpacked files
SH256 hash:
153db86f29d4d485815b59ed3c427c9106908dac3e9c08d2d327173ef272e097
MD5 hash:
dc7b3f656c0b455591a8553c5cdfd897
SHA1 hash:
abc738332d11b13e6509933e062c7f30dacfb8c6
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/bb59e1ca-aa0c-451a-bab4-3c9a16724778/
SH256 hash:
bd81a9361b8715dd584205fd2fca8f3c8d6fc3178ed8548674fcbd315b95a0a4
MD5 hash:
1dbc1cef51bc3e9fbfadaf53347c0416
SHA1 hash:
8f225ff0960262fac0347dfdcbc88d426894b9d5
Link:
https://www.unpac.me/results/bb59e1ca-aa0c-451a-bab4-3c9a16724778/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bd81a9361b8715dd584205fd2fca8f3c8d6fc3178ed8548674fcbd315b95a0a4

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_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload

File information

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

Web download

TeamBot

Executable exe bd81a9361b8715dd584205fd2fca8f3c8d6fc3178ed8548674fcbd315b95a0a4

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/171427/
  
URLhaus
https://urlhaus.abuse.ch/url/1423741/
  
Delivery method
Distributed via web download

Comments