MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de4cfc23c044c237c3102dc172e93ea3a2a6d7b1f7871d2e33045ae30806011d. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: de4cfc23c044c237c3102dc172e93ea3a2a6d7b1f7871d2e33045ae30806011d
SHA3-384 hash: 86c414bf15564f0355acfa444c9e781ad02f0178295e1806c0df425308e1eaa4d03bcb786b904a088e804aa836b4ef49
SHA1 hash: 6efab8bbf15ba0c0c29c909897b1145209bd0e13
MD5 hash: d609c36dc388f8caa73954d51c1950cc
humanhash: eighteen-echo-carolina-nineteen
File name:Vessels particulars.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:154'624 bytes
First seen:2020-09-18 06:46:14 UTC
Last seen:2020-09-18 07:49:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:PsVkrscEsyePaZjqkQu5goJmtxu+N08+7or79+yOdw7x5d9ch6lY5:DjEEPakju5gT2w08drB+BdwHLch62
Threatray 57 similar samples on MalwareBazaar
TLSH FAE3122502B120AAC8FA0BB27416609B57B2D616BB13AF5F23A577309F271BDD540F37
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.55504.13784.31848.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Sending a UDP request
Launching a process
Adding an access-denied ACE
Creating a window
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/469762
Signature
Allocates memory in foreign processes
Binary contains a suspicious time stamp
Connects to a pastebin service (likely for C&C)
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 287308 Sample: Vessels particulars.exe Startdate: 18/09/2020 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 Malicious sample detected (through community Yara rule) 2->45 47 5 other signatures 2->47 6 Vessels particulars.exe 15 2 2->6         started        10 newapp.exe 2 2->10         started        12 newapp.exe 1 2->12         started        process3 dnsIp4 27 pastebin.com 104.23.99.190, 443, 49695 CLOUDFLARENETUS United States 6->27 49 Writes to foreign memory regions 6->49 51 Allocates memory in foreign processes 6->51 53 Hides threads from debuggers 6->53 55 Injects a PE file into a foreign processes 6->55 14 RegSvcs.exe 2 4 6->14         started        19 WerFault.exe 20 9 6->19         started        21 conhost.exe 10->21         started        23 conhost.exe 12->23         started        signatures5 process6 dnsIp7 29 smtp.stevenlkornsteinlawfirm.com 14->29 31 us2.smtp.mailhostbox.com 208.91.199.223, 49696, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->31 25 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 14->25 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 6 other signatures 14->39 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/de4cfc23c044c237c3102dc172e93ea3a2a6d7b1f7871d2e33045ae30806011d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-09-18 04:06:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3zgpyi6aitbdpqyqfxaxf2j6uorknv5r66dr2lrtarnogcagaeoq._file
Verdict:
suspicious
Similar samples:
03150c9b34f3c06083c0af32c4fc038a5c059fdd8b19c927206df5961f40c189
AgentTesla
05793491a0160fba57cf1219dd69f0c49a1fd9a43cafe0f78590c1e526f298c6
AgentTesla
165a1197676a6b92b0086bbdb79a3b615c83ec9d686449b934c4475905608b2a
AgentTesla
19036261b89b27743d0b8c2353751f57b256357525068f67b166608b1eb33268
AgentTesla
25f63850c92faee81eaef4dfcf530a5e72689597d0e2b83b3e444e6a6d3ccce0
AgentTesla
43d7967618189443a76d5822903ae6133c4def90b5d695b138ac96679d00d87c
AgentTesla
5e0b3550098aeaef4722fe9d3299c218e399fb9d379c04336d70bd1be58f61d1
AgentTesla
718fc86c95456f531fb7ff1ab7d313376cb3db0ed2ef0469b175d1156659845a
AgentTesla
b88b4b4716bc914572c1c9711d2d620ee64f037b0b2cc8c8075f3d7777448925
AgentTesla
d19f7c46b3fa82c6f7902bdc4679d13f9933f72c2826e817bff08e7d0869a92c
AgentTesla
+ 47 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200918-y93dymvqjs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/de4cfc23c044c237c3102dc172e93ea3a2a6d7b1f7871d2e33045ae30806011d

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:Unknown_Malware_Sample_Jul17_2
Create hunting rule
Author:Florian Roth
Description:Detects unknown malware sample with pastebin RAW URL
Reference:https://goo.gl/iqH8CK

File information

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

Malspam

AgentTesla

zip 1093da2e4dcc5115ac6dc2356f2cef01a3cfd4b583d505e74cfbcbd0d75b015f

AgentTesla

Executable exe de4cfc23c044c237c3102dc172e93ea3a2a6d7b1f7871d2e33045ae30806011d

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 1093da2e4dcc5115ac6dc2356f2cef01a3cfd4b583d505e74cfbcbd0d75b015f
Cape
Cape
https://www.capesandbox.com/analysis/63313/

Comments