MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b7f039e2beb71993aa281ed8137e45b1b9708531b54e3b46d347baa3cc6fc67. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b7f039e2beb71993aa281ed8137e45b1b9708531b54e3b46d347baa3cc6fc67
SHA3-384 hash: a9a8f98fbd4ae228c035b1ed5b209f353bf0f7a9ab7f84b13c458c4932d3290d6e198b4106fb87dbf0f786570c740a8c
SHA1 hash: 3ac771f8343e45ac63b5802535d179b2f574532c
MD5 hash: 02cc74d9cac7d52bf1c63c43f017bcee
humanhash: speaker-yellow-south-utah
File name:ORDER LISTED PRODUCTS.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:920'064 bytes
First seen:2020-07-20 09:35:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:QIhzYOPW2rEloDwdMRHP4/LBmf74RWoJ:wOzrsocdMRv4/LW74RWoJ
Threatray 10'605 similar samples on MalwareBazaar
TLSH D315E1C93B40A40EC19E2E7A9E518D708770AD45F6F6E34327C2AEDE297E39BCD05251
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: webmail.cyber.net.pk
Sending IP: 203.101.175.37
From: yuanrisheng <jjhyd@cyber.net.pk>
Subject: Order For Listed Products
Attachment: ORDER LISTED PRODUCTS.zip (contains "ORDER LISTED PRODUCTS.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/28888/
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.6688.UNOFFICIAL
Create hunting rule

Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/391246
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248001 Sample: ORDER LISTED PRODUCTS.exe Startdate: 20/07/2020 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 5 other signatures 2->47 6 YYtJku.exe 1 2->6         started        9 ORDER LISTED PRODUCTS.exe 1 2->9         started        12 YYtJku.exe 2->12         started        process3 file4 49 Antivirus detection for dropped file 6->49 51 Multi AV Scanner detection for dropped file 6->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 2 other signatures 6->55 14 YYtJku.exe 2 6->14         started        18 YYtJku.exe 6->18         started        20 YYtJku.exe 6->20         started        29 2 other processes 6->29 35 C:\Users\...\ORDER LISTED PRODUCTS.exe.log, ASCII 9->35 dropped 22 ORDER LISTED PRODUCTS.exe 2 5 9->22         started        25 YYtJku.exe 2 12->25         started        27 YYtJku.exe 12->27         started        signatures5 process6 dnsIp7 37 208.91.199.224, 49722, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->37 57 Tries to harvest and steal ftp login credentials 14->57 59 Tries to harvest and steal browser information (history, passwords, etc) 14->59 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->61 39 us2.smtp.mailhostbox.com 208.91.199.225, 49721, 587 PUBLIC-DOMAIN-REGISTRYUS United States 22->39 31 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 22->31 dropped 33 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 22->33 dropped 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->63 65 Moves itself to temp directory 22->65 67 Tries to steal Mail credentials (via file access) 22->67 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1b7f039e2beb71993aa281ed8137e45b1b9708531b54e3b46d347baa3cc6fc67/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 09:17:08 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dn7qhhrl5nyzsovcqhwycn7elmnzocctdnkohndngr52upgg7rtq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'595 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200720-7gz1rwp1ye/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1b7f039e2beb71993aa281ed8137e45b1b9708531b54e3b46d347baa3cc6fc67

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

zip fe3d63c253ff353687a6d3dd8fa47b30acbabaad21d353cfd17655e6ae78192e

AgentTesla

Executable exe 1b7f039e2beb71993aa281ed8137e45b1b9708531b54e3b46d347baa3cc6fc67

(this sample)

  
Dropped by
MD5 9a2b2866f03b0ddd9486470b5dae10e3
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 fe3d63c253ff353687a6d3dd8fa47b30acbabaad21d353cfd17655e6ae78192e
Cape
Cape
https://www.capesandbox.com/analysis/28888/

Comments