MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9a9178d3dd94a0b59883cf092aa29ef14c9d24d3950ac642d6f6e6a3ad10cd4. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: c9a9178d3dd94a0b59883cf092aa29ef14c9d24d3950ac642d6f6e6a3ad10cd4
SHA3-384 hash: 88321e32db0d3cf8530bf2839e7a880040c28ab0086289385c39bce596c5504ffc80fcfcce6766066c8d77ab42414ac8
SHA1 hash: f3d483daff286a1c60c62fa37c372b144fc164c8
MD5 hash: b019776956298bfaa44bdbb65c146036
humanhash: hotel-twenty-twenty-lake
File name:b019776956298bfaa44bdbb65c146036.exe
Download: download sample
Signature AgentTesla
File size:681'984 bytes
First seen:2021-02-17 18:13:03 UTC
Last seen:2021-02-17 19:56:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:4jqw56u90Lx6qujdHI4VRw2WC+rRut6/4sW8/gGCrhsepVXwY5j/XT9cSa:4j5J90odHFfgtr4cc8/xMauj/XTy
TLSH 77E49D1263989BB9F07EA7354438560457F5B802E771DA8EBDB9B0DD4A73F80C6A2313
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.sky-qrp.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
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
C2 URLs / IPs found in malware configuration
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
Moves itself to temp directory
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
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 signatures2 2 Behavior Graph ID: 354377 Sample: vWr4r97uMA.exe Startdate: 17/02/2021 Architecture: WINDOWS Score: 100 62 Found malware configuration 2->62 64 Sigma detected: Scheduled temp file as task from temp location 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 8 other signatures 2->68 7 vWr4r97uMA.exe 7 2->7         started        11 YYtJku.exe 5 2->11         started        13 YYtJku.exe 4 2->13         started        process3 file4 42 C:\Users\user\AppData\...\bHWajpPmpPKwS.exe, PE32 7->42 dropped 44 C:\...\bHWajpPmpPKwS.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\AppData\Local\Temp\tmpDE9.tmp, XML 7->46 dropped 48 C:\Users\user\AppData\...\vWr4r97uMA.exe.log, ASCII 7->48 dropped 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->70 72 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->72 74 Injects a PE file into a foreign processes 7->74 15 vWr4r97uMA.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        76 Machine Learning detection for dropped file 11->76 22 schtasks.exe 1 11->22         started        24 YYtJku.exe 2 11->24         started        26 YYtJku.exe 11->26         started        28 schtasks.exe 13->28         started        30 YYtJku.exe 13->30         started        signatures5 process6 dnsIp7 50 sky-qrp.com 66.70.204.222, 49733, 587 OVHFR Canada 15->50 52 mail.sky-qrp.com 15->52 38 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 15->38 dropped 40 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 15->40 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Moves itself to temp directory 15->56 58 Tries to steal Mail credentials (via file access) 15->58 60 3 other signatures 15->60 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 28->36         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-02-17 18:14:05 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Unpacked files
SH256 hash:
b2499a2af35b550fbe7f541a14ff1225e1202324f351eecf85de6c8e9fc7c27c
MD5 hash:
5e732e4265622675313195dead01047e
SHA1 hash:
359c710a93c2f58cdc2a45de8dd48a6884a70645
SH256 hash:
c9a9178d3dd94a0b59883cf092aa29ef14c9d24d3950ac642d6f6e6a3ad10cd4
MD5 hash:
b019776956298bfaa44bdbb65c146036
SHA1 hash:
f3d483daff286a1c60c62fa37c372b144fc164c8
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.

Web download

AgentTesla

Executable exe c9a9178d3dd94a0b59883cf092aa29ef14c9d24d3950ac642d6f6e6a3ad10cd4

(this sample)

  
Delivery method
Distributed via web download

Comments