MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a7a3a0a6690559ef59408a9013d10b8b80c8abcbfc7bc14120820649a25919f. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a7a3a0a6690559ef59408a9013d10b8b80c8abcbfc7bc14120820649a25919f
SHA3-384 hash: 92dd98f57321f952f4fe00472f796620779e733d524d7284905a0798e5ab37d2018f661cbdd06036701b9182137b5538
SHA1 hash: dc3f71636f1b58e65ac93b0dc140a44a304f4433
MD5 hash: 76db2712f6619db04c1444b474229b5f
humanhash: butter-glucose-gee-violet
File name:Ziraat Bankasi Swift Mesaji.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'596'928 bytes
First seen:2021-01-12 18:05:33 UTC
Last seen:2021-01-12 19:49:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:OmNjAZBUdv4W/zO9Oz1EtdtZ+VHE/cE7l6Q:OmMB8tzO9OGtd+BgjU
Threatray 671 similar samples on MalwareBazaar
TLSH 0B75DF02F782DE84C05035B756A8D37E1352FCC71682C6B952E84E7BB6673E2AD8D249
Reporter abuse_ch
Tags:AgentTesla exe geo TUR ZiraatBank


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ileti.ziraatbank.com.tr
Sending IP: 160.20.147.163
From: ZIRAAT BANKASI <ziraatbank@ileti.ziraatbank.com.tr>
Subject: 17000, EUR Swift Bildirimi
Attachment: Ziraat Bankasi Swift Mesaji.zip (contains "Ziraat Bankasi Swift Mesaji.exe")

AgentTesla SMTP exfil server:
mail.ashpraskills.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Ziraat Bankasi Swift Mesaji.exe
Verdict:
Malicious activity
Analysis date:
2021-01-12 19:01:33 UTC
Tags:
evasion trojan stealer masslogger
Link:
https://app.any.run/tasks/22ce0229-1537-48ed-a4cf-332f6c11d3d1

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/111584/
Detection(s):
SecuriteInfo.com.Generic.mg.76db2712f6619db0.13275.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Adding an access-denied ACE
Reading critical registry keys
Moving a recently created file
Deleting a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
AgentTesla MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/579375
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for dropped file
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
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)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
May check the online IP address of the machine
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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 access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 338741 Sample: Ziraat Bankasi Swift Mesaji.exe Startdate: 12/01/2021 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->32 34 Found malware configuration 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 8 other signatures 2->38 6 Ziraat Bankasi Swift Mesaji.exe 6 2->6         started        process3 file4 16 C:\Users\user\...\MassLoggerBinnemewise.exe, PE32 6->16 dropped 18 C:\Users\user\AppData\...\InstallUtil.exe, PE32 6->18 dropped 20 C:\...\Ziraat Bankasi Swift Mesaji.exe.log, ASCII 6->20 dropped 40 Writes to foreign memory regions 6->40 42 Allocates memory in foreign processes 6->42 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 6->44 46 Injects a PE file into a foreign processes 6->46 10 InstallUtil.exe 2 6->10         started        14 MassLoggerBinnemewise.exe 15 5 6->14         started        signatures5 process6 dnsIp7 22 debi.com.tr 95.173.177.131, 49770, 587 NETINTERNETNetinternetBilisimTeknolojileriASTR Turkey 10->22 24 mail.debi.com.tr 10->24 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->50 52 Tries to steal Mail credentials (via file access) 10->52 62 4 other signatures 10->62 26 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.126.66, 49759, 80 AMAZON-AESUS United States 14->26 28 nagano-19599.herokussl.com 14->28 30 api.ipify.org 14->30 54 Antivirus detection for dropped file 14->54 56 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 14->56 58 Machine Learning detection for dropped file 14->58 60 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 14->60 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6a7a3a0a6690559ef59408a9013d10b8b80c8abcbfc7bc14120820649a25919f/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-01-12 18:06:10 UTC
AV detection:
11 of 29 (37.93%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nj5ductgsbkz55mubcuqcpiqxc4azcv4x7d3yfasbaqgjgrfsgpq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
07733638a39beadad8c496d03fbdd66b49d82e22fcaf7ee9dbadaa8fde982aee
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1d9e325f6d234c3d212243a3924f25a2e4acce0db718c57a52480e6994b5e173
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235041460fe585e7438589fc41e393df65545cb735907908eaaa4103d1564f03
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553ee875b3fc39e67daff6b7ace6590da149818f31bc7f84bc115858d10ab4f9
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677906173148035544d96ed87acd962194baf88a2c5c6a33e2ad94a850a81835
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9f9c8fddfe9fb02c88d8cdaea6efe3a1f88e56af6bb71161e30a1196a8cd8438
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f8a621b4900824e4ae9ce13884bfc7e10c9867d0a578c71fe59680fe9523d56c
AgentTesla
+ 661 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:masslogger keylogger ransomware spyware stealer trojan
Link:
https://tria.ge/reports/210112-j5blepsszn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla
MassLogger
MassLogger Main Payload
MassLogger log file
Unpacked files
SH256 hash:
6a7a3a0a6690559ef59408a9013d10b8b80c8abcbfc7bc14120820649a25919f
MD5 hash:
76db2712f6619db04c1444b474229b5f
SHA1 hash:
dc3f71636f1b58e65ac93b0dc140a44a304f4433
Link:
https://www.unpac.me/results/f9132625-6bfc-48e2-9265-6b66145f8027/
SH256 hash:
49dc26861fffee2f6440e56a10b7086ea305d2f16bb9e27ba3e08b9893557f86
MD5 hash:
e732cd6decfed3503b4020899d5a56f9
SHA1 hash:
024c1bf147c698e92aae340bbee323601d02a787
Link:
https://www.unpac.me/results/f9132625-6bfc-48e2-9265-6b66145f8027/
SH256 hash:
c06d4e3d0205d9bdd4a4b40b8da710d698b3a5d73a1626c9ca058c10b2c6d00c
MD5 hash:
7f67414b3fd29299f2d29ad7c2afb995
SHA1 hash:
2ec40d57c08c47433a6d044d271d74005dddae8d
Link:
https://www.unpac.me/results/f9132625-6bfc-48e2-9265-6b66145f8027/
SH256 hash:
3d2e64397cf43b5c4e460fd73558f55aceafc1f00cf84b60e3f1cac987a8006f
MD5 hash:
533fd831932aebe1ad47fe7568970ef3
SHA1 hash:
3fbf9b245126604cadaa3dc9a68f3c71534f09c2
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/f9132625-6bfc-48e2-9265-6b66145f8027/
SH256 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
Link:
https://www.unpac.me/results/f9132625-6bfc-48e2-9265-6b66145f8027/
SH256 hash:
e2b5646e959fcf2f6ed994780262e65c16cecbc9d3421ada3239f26130ebe8d1
MD5 hash:
7a13d5b7628956f87cb4f24b3e66ff5d
SHA1 hash:
5a2a3e4a70a7ef67180b6dea2273c9c3ae162f9c
Link:
https://www.unpac.me/results/f9132625-6bfc-48e2-9265-6b66145f8027/
SH256 hash:
1bb97ce67419ee39aced2d28a0ccc8a4af0eb8de6ea8d47d33038849bc5b89d0
MD5 hash:
f2892abdb55f0fab07f9a4b713a9d544
SHA1 hash:
ddffb30fe11f29b1fba801fc99e556907a5ddc57
Link:
https://www.unpac.me/results/f9132625-6bfc-48e2-9265-6b66145f8027/
SH256 hash:
84ecbad107cfa8012799c66f98d0e20fb3b8fb269d8c5c198a0f76f25e2c7902
MD5 hash:
84727a5600fc38bca121e62b110d9486
SHA1 hash:
2ec9155061e3185bf397276d146704d9f852adac
Link:
https://www.unpac.me/results/f9132625-6bfc-48e2-9265-6b66145f8027/
SH256 hash:
a4009288982e4c30d22b544167f72db882e34f0fda7d4061b2c02c84688c0ed1
MD5 hash:
7c359500407dd393a276010ab778d5af
SHA1 hash:
4d63d669b73acaca3fc62ec263589acaaea91c0b
Link:
https://www.unpac.me/results/f9132625-6bfc-48e2-9265-6b66145f8027/
SH256 hash:
97cf70d8925b27ca2975b0df2ec7386c26ea2620ce195d6a14d5ed6eeed7f3d9
MD5 hash:
1452fdc310838cc4b0f25737dd898028
SHA1 hash:
91d0ddb84c3f955382b2fbfb3d3cf9f18a566ac7
Link:
https://www.unpac.me/results/f9132625-6bfc-48e2-9265-6b66145f8027/
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/6a7a3a0a6690559ef59408a9013d10b8b80c8abcbfc7bc14120820649a25919f

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

zip 602ac852250fdecbb68df31991c353080293e7e4e64b0b2ebafccaa9b1e16967

AgentTesla

Executable exe 6a7a3a0a6690559ef59408a9013d10b8b80c8abcbfc7bc14120820649a25919f

(this sample)

  
Dropped by
MD5 2a213efa6b490378e758f2491ba45aed
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/111584/
  
Dropped by
SHA256 602ac852250fdecbb68df31991c353080293e7e4e64b0b2ebafccaa9b1e16967

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