MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8088f8d52a48e444235051f73da109c02213f81d1584516f4aa121c4b6a0925e. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8088f8d52a48e444235051f73da109c02213f81d1584516f4aa121c4b6a0925e
SHA3-384 hash: 901d81cab7020d816efbbcaa3a7408a3eaa66b47915a3568f3b53c7781921c9322dab4d611f606b2853d0d39febe8cac
SHA1 hash: 456965523217fb71608f8dff00e9f65b6af90489
MD5 hash: e94c4af1e9b9252ae0d945496f4acdb7
humanhash: uniform-magnesium-lithium-steak
File name:RFQ ICT-200068-MKE-AL ESTISHARI_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:739'840 bytes
First seen:2020-08-17 06:14:10 UTC
Last seen:2020-08-17 07:00:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:8IufRi9tFDG/uIDEQGN1HjCodjy1SbVlPLUWQOPWs+qa:uRIsfEQGTHjCwHxd5wB
Threatray 9'293 similar samples on MalwareBazaar
TLSH D2F4127271E8D905D23A2676C98A435423F8B6C778A4F73F7D8D229CE9923D48181FC6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: de.uitn.com
Sending IP: 144.76.245.34
From: ELGADI MOHAMED <oa05438@mellitahog.ly>
Reply-To: Mohamed shaban <soomla6384@yahoo.com>
Subject: RFQ ICT-200068-MKE
Attachment: RFQ ICT-200068-MKE-AL ESTISHARI_pdf.7z (contains "RFQ ICT-200068-MKE-AL ESTISHARI_pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/46646/
Detection(s):
SecuriteInfo.com.Generic.mg.e94c4af1e9b9252a.28298.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
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/432564
Signature
.NET source code contains potential unpacker
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
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
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 268560 Sample: RFQ ICT-200068-MKE-AL ESTIS... Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 64 Sigma detected: Scheduled temp file as task from temp location 2->64 66 Yara detected AgentTesla 2->66 68 Yara detected AntiVM_3 2->68 70 9 other signatures 2->70 7 WEqfDb.exe 5 2->7         started        10 RFQ ICT-200068-MKE-AL ESTISHARI_pdf.exe 7 2->10         started        13 WEqfDb.exe 4 2->13         started        process3 file4 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->72 74 Machine Learning detection for dropped file 7->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->76 15 WEqfDb.exe 7->15         started        19 schtasks.exe 7->19         started        21 WEqfDb.exe 7->21         started        42 C:\Users\user\AppData\Roaming\fzozvQWoj.exe, PE32 10->42 dropped 44 C:\Users\...\fzozvQWoj.exe:Zone.Identifier, ASCII 10->44 dropped 46 C:\Users\user\AppData\Local\...\tmp5B76.tmp, XML 10->46 dropped 48 RFQ ICT-200068-MKE...TISHARI_pdf.exe.log, ASCII 10->48 dropped 78 Injects a PE file into a foreign processes 10->78 23 RFQ ICT-200068-MKE-AL ESTISHARI_pdf.exe 17 5 10->23         started        26 schtasks.exe 1 10->26         started        28 schtasks.exe 13->28         started        30 WEqfDb.exe 13->30         started        signatures5 process6 dnsIp7 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Tries to steal Mail credentials (via file access) 15->56 58 Tries to harvest and steal ftp login credentials 15->58 60 Tries to harvest and steal browser information (history, passwords, etc) 15->60 32 conhost.exe 19->32         started        50 api.telegram.org 149.154.167.220, 443, 49734, 49743 TELEGRAMRU United Kingdom 23->50 52 192.168.2.1 unknown unknown 23->52 38 C:\Users\user\AppData\Roaming\...\WEqfDb.exe, PE32 23->38 dropped 40 C:\Users\user\...\WEqfDb.exe:Zone.Identifier, ASCII 23->40 dropped 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->62 34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8088f8d52a48e444235051f73da109c02213f81d1584516f4aa121c4b6a0925e/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 06:16:07 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qceprvjkjdseii2qkh3t3iijyarbh6a5cwcfc32kueq4jnvasjpa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
32e54aeaedb861f4ad9142949d226b788220293cb49f4b702fea9d65493b6a14
AgentTesla
4bf81fcded7f0e3aeb3f2e6099581a48d497ad7d9c8e76dff25a48e5608f994d
AgentTesla
616f7c08b834d252974745dba56f2a389c1ad7e8e31526d41579ea02f632d032
AgentTesla
68fc1b87f19de1765e5dab39ebabef62e2acf44a61942918016dad9513e8b910
AgentTesla
86339324135e2584d960711e0adad1563fe4d577ff72a5f0a715b8e1768ae69f
AgentTesla
a7d27c9cca035fac67dadf420c7adcfb2b196b4f2db64d94e13ddb6a9ea1c46a
AgentTesla
cc9eb80896d8b2ce5c9725ac37e4af900a6b905b641153bd543fcc68ce115d81
AgentTesla
dfeb96d3bb1562a8f587db6407ca2da39f052452c134d41c47dce109bfc6d1b1
AgentTesla
e749f3ff00bcb6ecd97f1a5d504cac08382a2b22d2b28e726b22d8b3f2770510
AgentTesla
fac60337d24368bfafe95f8446c535901714cb300b579bc45a57c4732da7cf1d
AgentTesla
+ 9'283 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200817-x74pgs1rrj/
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:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8088f8d52a48e444235051f73da109c02213f81d1584516f4aa121c4b6a0925e

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

7z 45c790adca6576a88c6060e68a9fcf11b54086206526f64ddd3e0fb7fd03fb65

AgentTesla

Executable exe 8088f8d52a48e444235051f73da109c02213f81d1584516f4aa121c4b6a0925e

(this sample)

  
Dropped by
MD5 446daf31d593162e6060cc279305de69
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/46646/
  
Dropped by
SHA256 45c790adca6576a88c6060e68a9fcf11b54086206526f64ddd3e0fb7fd03fb65

Comments