MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54ff05c5d4545469d3fe478c21b8851a70eff6598a3a109033d9281ef08a11bf. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 54ff05c5d4545469d3fe478c21b8851a70eff6598a3a109033d9281ef08a11bf
SHA3-384 hash: f1a45883a45b38130205aa47e7e376adfb74e85c9ab2f9deb42086e8e80198709e576db408274f6de8bd46919f9f4d7c
SHA1 hash: 683cec6c4553b9930291485df5f128be6106a431
MD5 hash: 26ea1b76e11081a0101578f8da764598
humanhash: summer-timing-ack-arizona
File name:bestzx.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'402'368 bytes
First seen:2021-12-14 14:19:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:U29FJm71DbWQSNEheyPFVNnNQzbkPNpDAqV65cUUiQXktYGgR9kIGG:FKnU6FVpNQzbkPTMCTUUiaktY3kIGG
Threatray 13'396 similar samples on MalwareBazaar
TLSH T1B25523AD3AA7A7CED4B983BDB368D07853746C324117D3C9EE8A35972423B457A33142
File icon (PE):PE icon
dhash icon b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bestzx.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-14 14:20:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b2066a82-a234-490e-89d6-7010cc1253fd

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/213948/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware obfuscated packed
Link:
https://www.filescan.io/uploads/61b8a8178a1c0aab6a87cfe7/reports/57e2948d-11c2-47be-a4ca-babe853e229f/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/eb3325f2-c038-465b-89a6-27c13b55f4c1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/907102
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)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped 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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 539580 Sample: bestzx.exe Startdate: 14/12/2021 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Yara detected AgentTesla 2->51 53 5 other signatures 2->53 6 bestzx.exe 3 2->6         started        10 szRba.exe 3 2->10         started        12 szRba.exe 2 2->12         started        process3 file4 27 C:\Users\user\AppData\...\bestzx.exe.log, ASCII 6->27 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->57 59 Injects a PE file into a foreign processes 6->59 14 bestzx.exe 2 5 6->14         started        61 Multi AV Scanner detection for dropped file 10->61 63 Machine Learning detection for dropped file 10->63 19 szRba.exe 2 10->19         started        21 szRba.exe 10->21         started        23 szRba.exe 10->23         started        25 szRba.exe 12->25         started        signatures5 process6 dnsIp7 33 hotelboutiquegloria.al 5.189.156.119, 49802, 587 CONTABODE Germany 14->33 35 mail.hotelboutiquegloria.al 14->35 37 192.168.2.1 unknown unknown 14->37 29 C:\Users\user\AppData\Roaming\...\szRba.exe, PE32 14->29 dropped 31 C:\Users\user\...\szRba.exe:Zone.Identifier, ASCII 14->31 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Tries to steal Mail credentials (via file / registry access) 14->41 43 Tries to harvest and steal ftp login credentials 14->43 45 2 other signatures 14->45 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/54ff05c5d4545469d3fe478c21b8851a70eff6598a3a109033d9281ef08a11bf/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-14 14:17:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kt7qlroukrkgtu76i6gcdoefdjyo75szri5bbebt3eub54ekcg7q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
38306ee79d194eb6353428a064ae2a54ad4ef975dfc04ff563150f2f385adf3a
AgentTesla
4801944ee6259b40006dd85a8505e1cb4b749898c4c49a4b1e89a5fc031baeba
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5d37ef7ef7aa80645b2bab3596f23201678416a65fcb9a688e54d390873c68e6
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69d6ba4ed00ec8b1990fd34b31f2b7abba0e3b711e85a9f0bc11276325d5ddb4
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cc11e4df8f64023939ab8f04b8903b2c4c97e7c8dc9ef348cd1a3b2cdc782727
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d9da943369eeaa00a7eb98b6a0033ddf4d0f1c9661bb179697b2ab653e87eb3f
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e243f4e848dcd9895b983893416c98f2f0a39163bc8a2d5d53bf04f63e0a7c2c
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faa5023447bfa3319ef4bade70a720dc8c101eec8a86bf499e8677a20c2fd475
AgentTesla
+ 13'386 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211214-rnfgwsghaj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious behavior: EnumeratesProcesses
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
bab4591cecd9d8751ec1563e45ede800d52b62acbd0cf29d8897fafad0a711cd
MD5 hash:
d9ff9c640617f9061012173a2c794c13
SHA1 hash:
22a71b91e3066a29fe8bfee9260c331ddee07ce9
Link:
https://www.unpac.me/results/700b329f-55b8-4cdf-947d-f223e8a0a962/
SH256 hash:
ac2f6fc7806f6c9b04b28e9258887f797bb075e41075c61bb8046be645e8481d
MD5 hash:
fbf9663d716d5334d12b96069ccb468c
SHA1 hash:
ee90c9157288175099468d4db79d8449563ac6ab
Link:
https://www.unpac.me/results/700b329f-55b8-4cdf-947d-f223e8a0a962/
SH256 hash:
aec13486c08d7899bc73048a2fac944b6925e0e349701f0e2a2537a7d9ff9267
MD5 hash:
fcd70f7342a20e97b6d63fdfd50f2f55
SHA1 hash:
9653c811ef2883362f20e4c811e32f049de936a5
Link:
https://www.unpac.me/results/700b329f-55b8-4cdf-947d-f223e8a0a962/
SH256 hash:
ac2f6fc7806f6c9b04b28e9258887f797bb075e41075c61bb8046be645e8481d
MD5 hash:
fbf9663d716d5334d12b96069ccb468c
SHA1 hash:
ee90c9157288175099468d4db79d8449563ac6ab
Link:
https://www.unpac.me/results/700b329f-55b8-4cdf-947d-f223e8a0a962/
SH256 hash:
cb45ca8a59d19d478bb5c6c935af24616a0c53926f6c2560018782af80193ccb
MD5 hash:
ea39e7f48bcc0a67209bdb9f1cd3539d
SHA1 hash:
a26260934b9a19f7e583c6910eaae38e87b66e15
Link:
https://www.unpac.me/results/700b329f-55b8-4cdf-947d-f223e8a0a962/
SH256 hash:
aec13486c08d7899bc73048a2fac944b6925e0e349701f0e2a2537a7d9ff9267
MD5 hash:
fcd70f7342a20e97b6d63fdfd50f2f55
SHA1 hash:
9653c811ef2883362f20e4c811e32f049de936a5
Link:
https://www.unpac.me/results/700b329f-55b8-4cdf-947d-f223e8a0a962/
SH256 hash:
54ff05c5d4545469d3fe478c21b8851a70eff6598a3a109033d9281ef08a11bf
MD5 hash:
26ea1b76e11081a0101578f8da764598
SHA1 hash:
683cec6c4553b9930291485df5f128be6106a431
Link:
https://www.unpac.me/results/700b329f-55b8-4cdf-947d-f223e8a0a962/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/54ff05c5d454/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/54ff05c5d4545469d3fe478c21b8851a70eff6598a3a109033d9281ef08a11bf

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: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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/213948/

Comments