MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e43e6c7ed4d0d2b6d30aedbb521203643e74511582425c6640cd2fd66f5ed6c8. 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: e43e6c7ed4d0d2b6d30aedbb521203643e74511582425c6640cd2fd66f5ed6c8
SHA3-384 hash: ce272c292a94ec121db4d6e0c52365043b0fb1702b7b163ab3014a9c7f653925e2a8ba9a91dba1e8ab520480a989fef8
SHA1 hash: 305faa1681e32a93128fae1836d101f3b43ada52
MD5 hash: 75351200ca48b35c53d5f44b7d01cdeb
humanhash: oscar-oscar-white-hawaii
File name:CV-JOB REQUEST______pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:629'248 bytes
First seen:2020-08-27 08:59:28 UTC
Last seen:2020-08-27 10:09:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9aFJdnrjSTXgjD63uakwXX5bY9aYWlTgSgL1Sy6wIezhYahlqNPgoYfRH:9gDIdX5waBa1SDah2m
Threatray 9'534 similar samples on MalwareBazaar
TLSH 86D4136413BD8F09F6FD4AF968BE311003F138A5B835E34A9A45E2A87DF27904D51B63
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: omsairamlogistics.com
Sending IP: 49.248.66.174
From: Nitheesh Thomas<anantapur@omsairamlogistics.com>
Subject: CV-JOB REQUEST
Attachment: CV-JOB REQUEST______pdf.iso (contains "CV-JOB REQUEST______pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/51712/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.409.340.13042.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/452487
Signature
Binary contains a suspicious time stamp
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
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)
Sigma detected: Scheduled temp file as task from temp location
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 278604 Sample: CV-JOB REQUEST______pdf.exe Startdate: 27/08/2020 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->68 70 Found malware configuration 2->70 72 Multi AV Scanner detection for dropped file 2->72 74 13 other signatures 2->74 7 CV-JOB REQUEST______pdf.exe 5 2->7         started        11 JcoGam.exe 2 2->11         started        13 JcoGam.exe 3 2->13         started        process3 file4 42 C:\Users\user\AppData\Roaming\uqCZtkWn.exe, PE32 7->42 dropped 44 C:\Users\...\uqCZtkWn.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmp88AB.tmp, XML 7->46 dropped 48 C:\Users\...\CV-JOB REQUEST______pdf.exe.log, ASCII 7->48 dropped 76 Injects a PE file into a foreign processes 7->76 15 CV-JOB REQUEST______pdf.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        22 JcoGam.exe 11->22         started        24 schtasks.exe 11->24         started        78 Multi AV Scanner detection for dropped file 13->78 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->80 82 Machine Learning detection for dropped file 13->82 84 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->84 26 schtasks.exe 1 13->26         started        28 JcoGam.exe 2 13->28         started        30 JcoGam.exe 13->30         started        signatures5 process6 dnsIp7 50 elsemillero.org.bo 200.58.160.142, 49724, 49736, 587 COTASLTDABO Bolivia 15->50 52 mail.elsemillero.org.bo 15->52 54 192.168.2.1 unknown unknown 15->54 38 C:\Users\user\AppData\Roaming\...\JcoGam.exe, PE32 15->38 dropped 40 C:\Users\user\...\JcoGam.exe:Zone.Identifier, ASCII 15->40 dropped 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->58 32 conhost.exe 20->32         started        56 mail.elsemillero.org.bo 22->56 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->60 62 Tries to steal Mail credentials (via file access) 22->62 64 Tries to harvest and steal ftp login credentials 22->64 66 Tries to harvest and steal browser information (history, passwords, etc) 22->66 34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e43e6c7ed4d0d2b6d30aedbb521203643e74511582425c6640cd2fd66f5ed6c8/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-08-27 09:02:23 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4q7gy7wu2djlnuyk5w5veeqdmq7hiuivqjbfyzsazux5m32623ea._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 9'524 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla persistence
Link:
https://tria.ge/reports/200827-xa8vgrnlm6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Farheyt
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/e43e6c7ed4d0d2b6d30aedbb521203643e74511582425c6640cd2fd66f5ed6c8

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

iso 2275231ed4a40318282d4d56d61c78057e4b69e98c630590ebd02bc26fef4565

AgentTesla

Executable exe e43e6c7ed4d0d2b6d30aedbb521203643e74511582425c6640cd2fd66f5ed6c8

(this sample)

  
Dropped by
MD5 7b1969aaf6533981b63cf71f5ace5242
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 2275231ed4a40318282d4d56d61c78057e4b69e98c630590ebd02bc26fef4565
Cape
Cape
https://www.capesandbox.com/analysis/51712/

Comments