MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6fae49b36cffae490026384fc852b76c276c3bb569e9ff63d8e20ef58f06a8f. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a6fae49b36cffae490026384fc852b76c276c3bb569e9ff63d8e20ef58f06a8f
SHA3-384 hash: 13eb7aabeaba9bf39ba0c5844fbd1756e246a9661f1f2dcd97eb25834427773e960b59e9533a20543ebca11a9d3bee3f
SHA1 hash: 5c58481a7181ea5e049c0f52a8ce0248c2da8359
MD5 hash: c10c417542508195d9e392765b2030d4
humanhash: shade-fruit-july-delaware
File name:Bank_payment_confirmation.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:878'296 bytes
First seen:2021-12-25 04:16:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:V2iN/56vRK5la24oEdokYpEBMdbzqERU8WcUJOcMtntGGzGtGGGlGtGGGGFGGtG1:V1dYvRcM3oSo+EO8WcLcu
Threatray 13'667 similar samples on MalwareBazaar
TLSH T1EC15C5F21138EF56FC345BFCD5C151014BA31935D8AAE4893FB26BCE2E62F81294A51B
File icon (PE):PE icon
dhash icon f0f0e84dcde4e4f8 (17 x AgentTesla, 4 x AveMariaRAT, 4 x RemcosRAT)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bank_payment_confirmation.bat
Verdict:
Suspicious activity
Analysis date:
2021-12-25 04:19:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a327a867-bf5f-4867-a1ae-910af63b53d5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/216318/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/61c69b46ec6c6c14a9f0d614/reports/ea2361df-d8db-4622-b8dd-cfb860ca7829/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/56e42dd2-d68c-486e-8a7c-e939c1b13929
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/912672
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)
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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)
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: 545150 Sample: Bank_payment_confirmation.bat Startdate: 25/12/2021 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 7 other signatures 2->47 6 Bank_payment_confirmation.exe 3 2->6         started        10 DBqQu.exe 3 2->10         started        12 DBqQu.exe 2 2->12         started        process3 file4 25 C:\...\Bank_payment_confirmation.exe.log, ASCII 6->25 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 Bank_payment_confirmation.exe 2 9 6->14         started        19 Bank_payment_confirmation.exe 6->19         started        53 Multi AV Scanner detection for dropped file 10->53 55 Machine Learning detection for dropped file 10->55 21 DBqQu.exe 2 10->21         started        23 DBqQu.exe 2 12->23         started        signatures5 process6 dnsIp7 31 Webmail.crestftb.com 199.188.201.139, 49791, 49792, 587 NAMECHEAP-NETUS United States 14->31 27 C:\Users\user\AppData\Roaming\...\DBqQu.exe, PE32 14->27 dropped 29 C:\Users\user\...\DBqQu.exe:Zone.Identifier, ASCII 14->29 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 3 other signatures 14->39 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a6fae49b36cffae490026384fc852b76c276c3bb569e9ff63d8e20ef58f06a8f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-25 02:57:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
16 of 27 (59.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u35ojgzwz75ojeacmocpzbjlo3bhnq53k2pj75r5ryqo6whqnkhq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
280d235d438c2e7975548f56d6816f9e6fa08c3fe55f5b250734a15bc8f9edc7
AgentTesla
3146451b8705dcf7a850cea01e3e68513448d9f92212129162e8c5d80ff1020e
AgentTesla
4fa37c31a5207940aa9e0d00fc393f91532e6da3a7dcabba9ab902e33a14afbe
AgentTesla
5ce37eda5b443fa4aba2f5152b0856ef9c3341641ac3c8e7750088301220c6d5
AgentTesla
669e6bcb89355a0e4e293c60f3afd47c671f0d01e7cab9fe00fe48b7e878cf90
AgentTesla
877a10d92f5b06000711b96af3b0705ff13494b7eb38804adcf3f207457cf51a
AgentTesla
9d393dc3fda68914e201012280b9eed4fd76c0dd077817c83c9e05cdf5d3cab8
AgentTesla
ad2fa7de2b185433a3cdc8af606b887bbcf831d30286596ca929f9cae6d516cc
AgentTesla
f663110aed2d5fdecf27fba39beabc90e72397d4fd661f381d1767aac3cf4438
AgentTesla
+ 13'657 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/211225-ewdbaagfa5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
34d859543de2e5b6227b720d220359eaf6c740accd54a7238040f9245a785f33
MD5 hash:
c571575dd38339b52d2baa3b1b24379b
SHA1 hash:
fd8e0c2112cf118f937eb05eaad3a691b0c00682
Link:
https://www.unpac.me/results/fc3bb60e-a3eb-495a-bb79-16e470345938/
SH256 hash:
90799826b57f5400a30f1b68a06f452e37f0395de3b2ed1b74280487670b210e
MD5 hash:
9b31127cf2d55c09f50d810af8b4deae
SHA1 hash:
6bca348827a50a897b83a94c824c04763ca7ac7f
Link:
https://www.unpac.me/results/fc3bb60e-a3eb-495a-bb79-16e470345938/
SH256 hash:
55535d7416e19740ddca81496bcfb9ea7f4ec52735e01d43880f6359f92b63be
MD5 hash:
42c16475606875decc737cb31dfb2cbb
SHA1 hash:
28db67a9058bbebedbd28819bce871cdeb62f968
Link:
https://www.unpac.me/results/fc3bb60e-a3eb-495a-bb79-16e470345938/
SH256 hash:
a6fae49b36cffae490026384fc852b76c276c3bb569e9ff63d8e20ef58f06a8f
MD5 hash:
c10c417542508195d9e392765b2030d4
SHA1 hash:
5c58481a7181ea5e049c0f52a8ce0248c2da8359
Link:
https://www.unpac.me/results/fc3bb60e-a3eb-495a-bb79-16e470345938/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a6fae49b36cf/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.60
Link:
https://yomi.yoroi.company/submissions/a6fae49b36cffae490026384fc852b76c276c3bb569e9ff63d8e20ef58f06a8f

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:INDICATOR_KB_CERT_06aea76bac46a9e8cfe6d29e45aaf033
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_KB_CERT_0c15be4a15bb0903c901b1d6c265302f
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Malspam

AgentTesla

Executable exe a6fae49b36cffae490026384fc852b76c276c3bb569e9ff63d8e20ef58f06a8f

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/216318/

Comments