MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b88466caf387f61aefa6b1cb265f310ab73d3f2a855bed7bdc48c2f8b87c8cce. 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


AgentTesla


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b88466caf387f61aefa6b1cb265f310ab73d3f2a855bed7bdc48c2f8b87c8cce
SHA3-384 hash: dd4f83472cca5d5252e9acc04d2192fcc1198aa7aa001c506479987bc7813777a8f6fb45dd63056bc264534d87175afd
SHA1 hash: 530adbd25dc584fd096a25f3b00975910ff004c9
MD5 hash: 62f27e4470b9614a80a0de93e2895175
humanhash: arizona-kilo-sweet-cola
File name:vbc.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:426'496 bytes
First seen:2022-01-11 13:19:08 UTC
Last seen:2022-01-11 15:07:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:lXh+oyG1zEqvX/UadUQkNwVyVmbvJuQ+dh8a+P:lR+oy+Yyvdiwdbxeya+
TLSH T142942202F3593747C43782F540B2AA809364AA5A3433DA0C9ECC99EF6DB6F215747F5A
Reporter pr0xylife
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SWIFT £60,423.20.xlsx
Verdict:
Malicious activity
Analysis date:
2022-01-11 13:12:33 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/cd8449a9-6ac0-4d29-8d31-e6ccca73da46

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/218214/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.27038.7829.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
obfuscated packed wacatac
Link:
https://www.filescan.io/uploads/61dd8407f2e8ec86fef09e04/reports/08ed2ba5-d717-42e9-ab93-bc2277450f58/overview
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0080e48c-a7dc-4cfd-a5c2-8b501c89296b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/918346
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 550824 Sample: vbc.exe Startdate: 11/01/2022 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AgentTesla 2->45 47 4 other signatures 2->47 6 vbc.exe 3 2->6         started        10 xWBWc.exe 3 2->10         started        12 xWBWc.exe 2 2->12         started        process3 file4 23 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 6->23 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->51 14 vbc.exe 2 9 6->14         started        53 Multi AV Scanner detection for dropped file 10->53 19 xWBWc.exe 2 10->19         started        21 xWBWc.exe 2 12->21         started        signatures5 process6 dnsIp7 29 us2.smtp.mailhostbox.com 208.91.198.143, 49818, 49819, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->29 31 192.168.2.1 unknown unknown 14->31 25 C:\Users\user\AppData\Roaming\...\xWBWc.exe, PE32 14->25 dropped 27 C:\Users\user\...\xWBWc.exe:Zone.Identifier, ASCII 14->27 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file / registry access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 39 2 other signatures 14->39 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b88466caf387f61aefa6b1cb265f310ab73d3f2a855bed7bdc48c2f8b87c8cce/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-11 13:20:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220111-qk4jwafgb9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Uses the VBS compiler for execution
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
99c6dd76d5df82065aa2767ab787aa700f43bda4231072e8575bf5391cd7d682
MD5 hash:
052f507172b8d0a28cd35aa2a3df8f47
SHA1 hash:
ca083605a5f586bce1ca3e8511ae28a7cc15b0df
Link:
https://www.unpac.me/results/9959073d-2a47-4c38-9f84-710e95f4fbc0/
SH256 hash:
c563f43cd0a4e36a445bc10e798e961aaebef2f8485ff3c87c298839b379d4d7
MD5 hash:
d489984d04f1f2b7d1df5cd62545e847
SHA1 hash:
5fc79635343077c2474360da13bf34e0b5e728a1
Link:
https://www.unpac.me/results/9959073d-2a47-4c38-9f84-710e95f4fbc0/
SH256 hash:
95acb74a27f4c91a386cb89fbad004cec83ed976c4a5455dad589e32c37aafa0
MD5 hash:
f738334d36d4686844e4d2b397eb7935
SHA1 hash:
5eb9083163b908c93093772d9df213889ea5cd6e
Link:
https://www.unpac.me/results/9959073d-2a47-4c38-9f84-710e95f4fbc0/
SH256 hash:
b88466caf387f61aefa6b1cb265f310ab73d3f2a855bed7bdc48c2f8b87c8cce
MD5 hash:
62f27e4470b9614a80a0de93e2895175
SHA1 hash:
530adbd25dc584fd096a25f3b00975910ff004c9
Link:
https://www.unpac.me/results/9959073d-2a47-4c38-9f84-710e95f4fbc0/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b88466caf387/report/overview.html
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/b88466caf387f61aefa6b1cb265f310ab73d3f2a855bed7bdc48c2f8b87c8cce

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

AgentTesla

Executable exe b88466caf387f61aefa6b1cb265f310ab73d3f2a855bed7bdc48c2f8b87c8cce

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/218214/
  
URLhaus
https://urlhaus.abuse.ch/url/1962744/
  
Delivery method
Distributed via web download

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