MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ce6f3e5ed0decba840832247a7ce597eb367c8448ea16f82141781feddaf4be. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments

SHA256 hash: 6ce6f3e5ed0decba840832247a7ce597eb367c8448ea16f82141781feddaf4be
SHA3-384 hash: 7df4ed34c6e4800f7eb9705576d4c10ed9c44ee9f0502eab48f5bb123c1a3cd6145ba39e4d859e5a284edcd3238cbd2b
SHA1 hash: 5ffa8f1e7888f4fdec00c0338bf0cb6671d23b12
MD5 hash: 42ce135697b9b138c99d1bb9a298a412
humanhash: colorado-video-jersey-lion
File name:CZAPMT_COMPLETE_210616132402545_PDF.exe
Download: download sample
Signature AgentTesla
File size:541'184 bytes
First seen:2021-09-01 01:51:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:JTk9i6ZzWspKa6nchk4yr7IFJ9AH9aHzNbFiZER/3txbLp:JY9gMKVchktMP9maztFOEP
Threatray 9'251 similar samples on MalwareBazaar
TLSH T1C3B4D0987354B59FC527C976C9A42C24AB31B47A430BE603A51315EDAE0EA9BCF160F3
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CZAPMT_COMPLETE_210616132402545_PDF.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-01 01:55:11 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Moving of the original file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.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
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 475475 Sample: CZAPMT_COMPLETE_21061613240... Startdate: 01/09/2021 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AgentTesla 2->47 49 5 other signatures 2->49 6 CZAPMT_COMPLETE_210616132402545_PDF.exe 3 2->6         started        10 guBRet.exe 3 2->10         started        12 guBRet.exe 2 2->12         started        process3 file4 27 CZAPMT_COMPLETE_21...2402545_PDF.exe.log, ASCII 6->27 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->53 55 Injects a PE file into a foreign processes 6->55 14 CZAPMT_COMPLETE_210616132402545_PDF.exe 2 5 6->14         started        57 Multi AV Scanner detection for dropped file 10->57 59 Machine Learning detection for dropped file 10->59 19 guBRet.exe 2 10->19         started        21 guBRet.exe 2 12->21         started        23 guBRet.exe 12->23         started        25 guBRet.exe 12->25         started        signatures5 process6 dnsIp7 33 mail.renlk.me 198.54.115.133, 26, 49717 NAMECHEAP-NETUS United States 14->33 29 C:\Users\user\AppData\Roaming\...\guBRet.exe, PE32 14->29 dropped 31 C:\Users\user\...\guBRet.exe:Zone.Identifier, ASCII 14->31 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Moves itself to temp directory 14->37 39 Tries to steal Mail credentials (via file access) 14->39 41 3 other signatures 14->41 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-01 00:35:36 UTC
AV detection:
9 of 43 (20.93%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
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
Unpacked files
SH256 hash:
de2f11677b57f678f356adffc2a5b8ebdefe189bc4e68c1d7528e0bfded20f77
MD5 hash:
9d4edc21f2622bb71e450c0f1cebd0a6
SHA1 hash:
99a475ac7e20b24e9b257344a5cccfb4ac423cab
SH256 hash:
7b521a0506ee7e12a1416d1ea05351e97fcdeedaca9a92de69b0e7d1ae4b3f0f
MD5 hash:
43328cd53e21a482345ffe640fba903e
SHA1 hash:
21bfff13a20b1781adf1a6fc0c24809054f5f93e
SH256 hash:
9247e8688f4ef08bea0a48aae32d035c121b8f78c0b50cdc0eeffa2fbacd681c
MD5 hash:
e2c6ab4f49ff24047ffe8d42e50a16f1
SHA1 hash:
1fd44521a230596015e6a040e6d448353429590c
SH256 hash:
6ce6f3e5ed0decba840832247a7ce597eb367c8448ea16f82141781feddaf4be
MD5 hash:
42ce135697b9b138c99d1bb9a298a412
SHA1 hash:
5ffa8f1e7888f4fdec00c0338bf0cb6671d23b12
Malware family:
Agent Tesla v3
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
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

Executable exe 6ce6f3e5ed0decba840832247a7ce597eb367c8448ea16f82141781feddaf4be

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments