MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a79cd2afe6fbd88f394601ec42877ca66fb58a0844c3838abd1e2063fe7b07ab. 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

SHA256 hash: a79cd2afe6fbd88f394601ec42877ca66fb58a0844c3838abd1e2063fe7b07ab
SHA3-384 hash: b92354af0f4212880572c659d177abfda44be9c15b8539cd4ccabdbd2fd808e946b42294e33fd6a56c1457cdaa444523
SHA1 hash: 2dfde8113265922ada58baf639810f51c9fa3db8
MD5 hash: d028fd092e4060c597c0a0ca16a5a82c
humanhash: aspen-mississippi-summer-sixteen
File name:RFQ____22701608.exe
Download: download sample
Signature AgentTesla
File size:989'184 bytes
First seen:2021-04-14 05:50:17 UTC
Last seen:2021-04-14 12:37:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:xENO2iD7hpEgiEXMP1VXUrZHdlg5IZeRqTwq383d19SBKW49WsH2:S76HEX1SrZHgIs3Xdd9
Threatray 4'443 similar samples on MalwareBazaar
TLSH AB258D1227D56F05E73D8F7294226030CBF5EE463D1AEB972DC43DC971BAB109912E1A
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ____22701608.exe
Verdict:
No threats detected
Analysis date:
2021-04-14 05:54:49 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
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.adwa.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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 sample
Modifies the hosts 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 access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 386414 Sample: RFQ____22701608.exe Startdate: 14/04/2021 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 4 other signatures 2->47 6 RFQ____22701608.exe 3 2->6         started        10 zfsGyb.exe 2 2->10         started        12 zfsGyb.exe 1 2->12         started        process3 file4 23 C:\Users\user\...\RFQ____22701608.exe.log, ASCII 6->23 dropped 49 Writes to foreign memory regions 6->49 51 Allocates memory in foreign processes 6->51 53 Injects a PE file into a foreign processes 6->53 14 RegSvcs.exe 2 8 6->14         started        19 conhost.exe 10->19         started        21 conhost.exe 12->21         started        signatures5 process6 dnsIp7 29 amarantbg.com 193.107.70.38, 49750, 49751, 587 SUPERHOSTING_ASBG Bulgaria 14->29 31 mail.amarantbg.com 14->31 25 C:\Users\user\AppData\Roaming\...\zfsGyb.exe, PE32 14->25 dropped 27 C:\Windows\System32\drivers\etc\hosts, ASCII 14->27 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->35 37 Tries to steal Mail credentials (via file access) 14->37 39 5 other signatures 14->39 file8 signatures9
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-04-13 22:05:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
12 of 29 (41.38%)
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
5e0f3da625a479a5e7e807b5f09c889d95474139410b312ba3a39bcb05976729
MD5 hash:
3d20c2ea9ac04e1707f853bb1780bc18
SHA1 hash:
805e90b023eb92d44bbe11daefce6edbe872cb74
SH256 hash:
a79cd2afe6fbd88f394601ec42877ca66fb58a0844c3838abd1e2063fe7b07ab
MD5 hash:
d028fd092e4060c597c0a0ca16a5a82c
SHA1 hash:
2dfde8113265922ada58baf639810f51c9fa3db8
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 a79cd2afe6fbd88f394601ec42877ca66fb58a0844c3838abd1e2063fe7b07ab

(this sample)

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