MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 818343ec8323d98752f067ddc9c04d0f2bddcb4e4d14137b6c16ee01a8fae41e. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 818343ec8323d98752f067ddc9c04d0f2bddcb4e4d14137b6c16ee01a8fae41e
SHA3-384 hash: 664122c2733c01996348f734bfbcacec38b5a520b62e4a159e6bdecda6ce42d92f7671cfb9f43892baf908a08149080d
SHA1 hash: 94d25679c3d390915dbb0c78cf83f57dddcbcf71
MD5 hash: 6e02eb85eb2854e2448329f4675db977
humanhash: georgia-georgia-fanta-eleven
File name:Wire copy.exe
Download: download sample
Signature AgentTesla
File size:830'976 bytes
First seen:2020-10-05 11:20:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:0onj4+Ize6nWk379oQgOJJh2cdi5MWQS+TBsP1oRanp1iYUZ+vvYMGUdKqA4g/VV:XHAe8Wo9SIhxdi5MWoIoRapNU
Threatray 288 similar samples on MalwareBazaar
TLSH 37058CAD3A50BADFC967CD36CAA45C64EA2064A7930BD203A01715DCAE4DB97DF101F3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: am-cargo.com
Sending IP: 103.141.138.124
From: peter kwak <kwak@am-cargo.com>
Subject: Remittance copy
Attachment: Wire copy.zip (contains "Wire copy.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
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
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Modifies the hosts file
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 293082 Sample: Wire copy.exe Startdate: 05/10/2020 Architecture: WINDOWS Score: 100 51 mail.spsapac.com 2->51 61 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->61 63 Found malware configuration 2->63 65 Multi AV Scanner detection for dropped file 2->65 67 11 other signatures 2->67 8 Wire copy.exe 6 2->8         started        12 kprUEGC.exe 4 2->12         started        14 kprUEGC.exe 3 2->14         started        signatures3 process4 file5 39 C:\Users\user\AppData\RoamingYLFTLV.exe, PE32 8->39 dropped 41 C:\Users\user\AppData\Local\...\tmp3D8B.tmp, XML 8->41 dropped 43 C:\Users\user\AppData\...\Wire copy.exe.log, ASCII 8->43 dropped 69 Injects a PE file into a foreign processes 8->69 16 Wire copy.exe 17 5 8->16         started        21 schtasks.exe 1 8->21         started        71 Multi AV Scanner detection for dropped file 12->71 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->73 75 Machine Learning detection for dropped file 12->75 77 2 other signatures 12->77 23 kprUEGC.exe 12->23         started        25 schtasks.exe 12->25         started        27 kprUEGC.exe 12->27         started        signatures6 process7 dnsIp8 45 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.83.248, 443, 49751 AMAZON-AESUS United States 16->45 47 192.168.2.1 unknown unknown 16->47 49 2 other IPs or domains 16->49 33 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 16->33 dropped 35 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 16->35 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->53 55 Tries to steal Mail credentials (via file access) 16->55 57 Tries to harvest and steal ftp login credentials 16->57 59 3 other signatures 16->59 29 conhost.exe 21->29         started        37 C:\Windows\System32\drivers\etc\hosts, ASCII 23->37 dropped 31 conhost.exe 25->31         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-05 10:50:31 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
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
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
818343ec8323d98752f067ddc9c04d0f2bddcb4e4d14137b6c16ee01a8fae41e
MD5 hash:
6e02eb85eb2854e2448329f4675db977
SHA1 hash:
94d25679c3d390915dbb0c78cf83f57dddcbcf71
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
SH256 hash:
a26c39afbb56957e8795a53507870f31a93472a53220183bdb0bf59b6a73d4d9
MD5 hash:
6b45ba02781c1aa6bd1b5e408c858f7d
SHA1 hash:
8a056adf0fbb0034c3d3a4d001b40e579f3cf0bf
SH256 hash:
2aae43d3aa3b646eed1fa2e9636a949085ef8e5f0254dc855c40a25b6831c5c2
MD5 hash:
dcf3298645ec5188079490d42cd07e7b
SHA1 hash:
9176433d178e92112f5477576f1b11541f09bc24
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: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 818343ec8323d98752f067ddc9c04d0f2bddcb4e4d14137b6c16ee01a8fae41e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments