MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6c0ab4410917782dd64b390da9ecaf4c957c7fd89050aa34e8927ad54f3bf28. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c6c0ab4410917782dd64b390da9ecaf4c957c7fd89050aa34e8927ad54f3bf28
SHA3-384 hash: d67fe9e117f458b82f99f1dd5c06155d46efefabbb90f0c768f36fa73e65c2a88a93abf8352e7ea2125b89a75be06477
SHA1 hash: bff9bdb68cafdd1b7309eaedb36d31e1ce75b744
MD5 hash: fcb78d2a0696bf42fd75e5c9f443a013
humanhash: nitrogen-timing-maine-louisiana
File name:fcb78d2a0696bf42fd75e5c9f443a013
Download: download sample
Signature AgentTesla
Create hunting rule
File size:646'656 bytes
First seen:2022-07-04 22:27:35 UTC
Last seen:2022-07-04 23:49:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:JY6BLlwfSB/rqURjcdOGwoLwRWVG+P6xF8t5cI+xTvO:MsTRRwdfLwRWVHPAF8lX
TLSH T1EFD4BFB73394FC16C23E7732B464B59442F28883D872C61728ECB5D97BF37945A502AA
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d2f0c9f9b0e60e96 (2 x AgentTesla)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.21341.27139.20934.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62c369b122ab9d0aa0fe7329/reports/86ce7b2d-ac24-4437-921b-4a12d337e3fb/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/96484f80-f131-4643-a4c9-8fdd35ce4ded
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1024459
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
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 / registry access)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 656954 Sample: zuifA6eOyv Startdate: 05/07/2022 Architecture: WINDOWS Score: 100 64 Malicious sample detected (through community Yara rule) 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 Yara detected AgentTesla 2->68 70 3 other signatures 2->70 8 zuifA6eOyv.exe 15 3 2->8         started        13 probaboost.exe 2->13         started        15 probaboost.exe 14 3 2->15         started        process3 dnsIp4 58 www.google.com 142.250.186.36, 443, 49689, 49694 GOOGLEUS United States 8->58 50 C:\Users\user\AppData\...\zuifA6eOyv.exe.log, ASCII 8->50 dropped 88 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->88 17 cmd.exe 3 8->17         started        21 cmd.exe 1 8->21         started        90 Writes to foreign memory regions 13->90 92 Injects a PE file into a foreign processes 13->92 23 InstallUtil.exe 13->23         started        94 Multi AV Scanner detection for dropped file 15->94 96 Machine Learning detection for dropped file 15->96 26 InstallUtil.exe 15->26         started        file5 signatures6 process7 dnsIp8 46 C:\Users\user\AppData\...\probaboost.exe, PE32 17->46 dropped 48 C:\Users\...\probaboost.exe:Zone.Identifier, ASCII 17->48 dropped 72 Uses ping.exe to sleep 17->72 28 probaboost.exe 2 17->28         started        32 conhost.exe 17->32         started        34 PING.EXE 1 17->34         started        36 PING.EXE 1 17->36         started        74 Uses ping.exe to check the status of other devices and networks 21->74 38 PING.EXE 1 21->38         started        40 conhost.exe 21->40         started        42 reg.exe 1 1 21->42         started        52 boyyem.com.tr 5.2.84.51, 49701, 587 ALASTYRTR Turkey 23->52 54 windowsupdatebg.s.llnwi.net 23->54 56 mail.boyyem.com.tr 23->56 76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->76 78 Tries to steal Mail credentials (via file / registry access) 23->78 80 Tries to harvest and steal ftp login credentials 23->80 86 2 other signatures 23->86 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 26->82 84 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 26->84 file9 signatures10 process11 dnsIp12 60 www.google.com 28->60 98 Writes to foreign memory regions 28->98 100 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->100 102 Injects a PE file into a foreign processes 28->102 44 InstallUtil.exe 28->44         started        62 127.0.0.1 unknown unknown 38->62 signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c6c0ab4410917782dd64b390da9ecaf4c957c7fd89050aa34e8927ad54f3bf28/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-04 20:37:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
45
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y3akwraqsf3yfxlewoinvhwk6tevpr75recqvi2oret22vhtx4ua._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220704-2dmtbsdeg2/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
AgentTesla
Unpacked files
SH256 hash:
c6c0ab4410917782dd64b390da9ecaf4c957c7fd89050aa34e8927ad54f3bf28
MD5 hash:
fcb78d2a0696bf42fd75e5c9f443a013
SHA1 hash:
bff9bdb68cafdd1b7309eaedb36d31e1ce75b744
Link:
https://www.unpac.me/results/f29aa896-78c5-4836-b0f1-de7b8987aeca/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c6c0ab441091/report/overview.html
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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

AgentTesla

Executable exe c6c0ab4410917782dd64b390da9ecaf4c957c7fd89050aa34e8927ad54f3bf28

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2253972/

Comments


Avatar
zbet commented on 2022-07-04 22:27:46 UTC

url : hxxp://lutanedukasi.co.id/wp-includes/mcma.exe