MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6e1a688daa6611f7ff1ebf6724c3ccdabc18b97b1f606ec7bc141d8b81e1082. 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: 6


Intelligence 6 IOCs YARA File information Comments

SHA256 hash: d6e1a688daa6611f7ff1ebf6724c3ccdabc18b97b1f606ec7bc141d8b81e1082
SHA3-384 hash: f10e80f437749a86b7a04206131522786f1487c62ffdda80c19201c451c1442f3051f85806625050647f4b94472b0f8f
SHA1 hash: 644be50c3649eee65c97be0d352199e0d603caf4
MD5 hash: 141812f77bdef659d1bc5c1403c5e094
humanhash: bulldog-helium-tennessee-blossom
File name:RFQ 9-18-2020-docx.r00.exe
Download: download sample
Signature AgentTesla
File size:586'240 bytes
First seen:2020-09-18 13:39:10 UTC
Last seen:2020-09-18 14:42:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:7bP782tDZxrkKvPKSz29ozMcPBnsGDWbHW2++r:YMxPIoz1PBnsGDuH1Rr
Threatray 65 similar samples on MalwareBazaar
TLSH 64C4AD4032AA7B1AE6788BF50205B472D3B154263266C384BF8331FE96F5BD07E65B47
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
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
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Changing the hosts file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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
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 signatures2 2 Behavior Graph ID: 287428 Sample: RFQ 9-18-2020-docx.r00.exe Startdate: 18/09/2020 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->66 68 Found malware configuration 2->68 70 Multi AV Scanner detection for dropped file 2->70 72 12 other signatures 2->72 7 WCPCe.exe 5 2->7         started        10 RFQ 9-18-2020-docx.r00.exe 6 2->10         started        13 WCPCe.exe 2 2->13         started        process3 file4 74 Multi AV Scanner detection for dropped file 7->74 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->76 78 Machine Learning detection for dropped file 7->78 80 3 other signatures 7->80 15 WCPCe.exe 7->15         started        20 schtasks.exe 7->20         started        40 C:\Users\user\AppData\...\CxAQKRrwEfs.exe, PE32 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp7361.tmp, XML 10->42 dropped 44 C:\Users\...\RFQ 9-18-2020-docx.r00.exe.log, ASCII 10->44 dropped 22 RFQ 9-18-2020-docx.r00.exe 2 5 10->22         started        24 schtasks.exe 1 10->24         started        26 RFQ 9-18-2020-docx.r00.exe 10->26         started        28 RFQ 9-18-2020-docx.r00.exe 10->28         started        signatures5 process6 dnsIp7 46 mail.davaobay.com.ph 15->46 48 192.168.2.1 unknown unknown 15->48 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 54 Tries to harvest and steal ftp login credentials 15->54 56 Tries to harvest and steal browser information (history, passwords, etc) 15->56 30 conhost.exe 20->30         started        50 davaobay.com.ph 173.231.198.30, 49740, 49741, 587 IMH-WESTUS United States 22->50 52 mail.davaobay.com.ph 22->52 36 C:\Users\user\AppData\Local\...\WCPCe.exe, PE32 22->36 dropped 38 C:\Users\user\...\WCPCe.exe:Zone.Identifier, ASCII 22->38 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->58 60 Tries to steal Mail credentials (via file access) 22->60 62 Modifies the hosts file 22->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->64 32 conhost.exe 24->32         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-09-18 10:26:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
25 of 29 (86.21%)
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
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
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

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