MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 649105b741f01b51a9847e93d24d0024d854429a1de1144738a7348c57a1931a. 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 1

SHA256 hash: 649105b741f01b51a9847e93d24d0024d854429a1de1144738a7348c57a1931a
SHA3-384 hash: 83c8f9657cd5c5827765c49b662e9df6a8ffa8ab91af23926ecb4495627915c20bd55f2400fcca3cdce08531e54d9aa3
SHA1 hash: 51d202b5d19a948f9a72b106daa4016454b727e2
MD5 hash: 99cc2ab964e6469b1b0d776b429cddf8
humanhash: romeo-lithium-xray-hamper
File name:Arrival Notice - S21012801940.exe
Download: download sample
Signature AgentTesla
File size:838'656 bytes
First seen:2021-04-12 15:43:17 UTC
Last seen:2021-04-13 06:55:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:AQHv58A/E757RSInBDI0iNsVsNsXXWUyXwcqwf3PviidsSrGK+QEsFsvcusK:fWOE1YyBMkE+mUyXUwvPvCSClsMcuT
Threatray 3'881 similar samples on MalwareBazaar
TLSH 2E05E12133F88B18E0BEAB355930914807F2F906DB31D60E7E94559D1D72B82C677BAB
Reporter cocaman
Tags:AgentTesla DHL exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
207
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Arrival Notice - S21012801940.exe
Verdict:
Malicious activity
Analysis date:
2021-04-12 15:43:55 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
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
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
Installs a global keyboard hook
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 access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 385592 Sample: Arrival Notice - S21012801940.exe Startdate: 12/04/2021 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 Arrival Notice - S21012801940.exe 3 2->6         started        10 zUbDt.exe 3 2->10         started        12 zUbDt.exe 2 2->12         started        process3 file4 25 C:\...\Arrival Notice - S21012801940.exe.log, ASCII 6->25 dropped 49 Injects a PE file into a foreign processes 6->49 14 Arrival Notice - S21012801940.exe 2 9 6->14         started        51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->53 19 zUbDt.exe 2 10->19         started        21 zUbDt.exe 10->21         started        23 zUbDt.exe 2 12->23         started        signatures5 process6 dnsIp7 31 mail.prinutrition.com 192.254.180.165, 49734, 49735, 587 UNIFIEDLAYER-AS-1US United States 14->31 27 C:\Users\user\AppData\Roaming\...\zUbDt.exe, PE32 14->27 dropped 29 C:\Users\user\...\zUbDt.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 access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 39 3 other signatures 14->39 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.Injuke
Status:
Malicious
First seen:
2021-04-12 15:44:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
3 of 48 (6.25%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
5e0f3da625a479a5e7e807b5f09c889d95474139410b312ba3a39bcb05976729
MD5 hash:
3d20c2ea9ac04e1707f853bb1780bc18
SHA1 hash:
805e90b023eb92d44bbe11daefce6edbe872cb74
SH256 hash:
649105b741f01b51a9847e93d24d0024d854429a1de1144738a7348c57a1931a
MD5 hash:
99cc2ab964e6469b1b0d776b429cddf8
SHA1 hash:
51d202b5d19a948f9a72b106daa4016454b727e2
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 649105b741f01b51a9847e93d24d0024d854429a1de1144738a7348c57a1931a

(this sample)

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-14 15:20:51 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection