MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3845cb20ec33d67319ad79f3b198596f756bd6997c91c573a560329c843539c5. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3845cb20ec33d67319ad79f3b198596f756bd6997c91c573a560329c843539c5
SHA3-384 hash: 979376fa743af9f13d8c2ce6822aac8da6eff257e9d20bceffb3ffbe2ddb5877853bb63ab8bea0036ef0a5b54c637e37
SHA1 hash: 7bdbc3e938f4e4e34f6f934886692dba8d539b94
MD5 hash: dfda813df165e9dc5b484d7e2f11a9a7
humanhash: vermont-carolina-artist-chicken
File name:dfda813df165e9dc5b484d7e2f11a9a7
Download: download sample
Signature AgentTesla
Create hunting rule
File size:840'704 bytes
First seen:2022-07-25 06:02:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:aTceo5KQm5VGnB5WSV+4kUyiiTrisqgex:aTFAKQWVI+41yiiHiFL
TLSH T13905231066BDEF11D6B89FF629A11AA003F474366565E31E0DC770FB2AABB50CA01F53
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)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
3845cb20ec33d67319ad79f3b198596f756bd6997c91c573a560329c843539c5
Verdict:
Malicious activity
Analysis date:
2022-07-25 13:06:20 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/43f7db59-3e4b-4290-acd0-7f5a4e0055cb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/293876/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44349.11880.14868-222265.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed surtr
Link:
https://www.filescan.io/uploads/62de321ab3bb70bb32deed88/reports/2fa733e2-0f18-4db8-987f-5e0ad176216f/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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/02889cfe-2644-40c0-bd89-63e8787f3844
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1040147
Signature
.NET source code contains very large array initializations
Drops executable to a common third party application directory
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 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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 672641 Sample: qJf67WQuF3 Startdate: 25/07/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AgentTesla 2->47 49 5 other signatures 2->49 6 qJf67WQuF3.exe 3 2->6         started        10 firefox.exe 3 2->10         started        12 firefox.exe 2 2->12         started        process3 file4 21 C:\Users\user\AppData\...\qJf67WQuF3.exe.log, ASCII 6->21 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->53 55 Injects a PE file into a foreign processes 6->55 14 qJf67WQuF3.exe 2 9 6->14         started        57 Multi AV Scanner detection for dropped file 10->57 59 Machine Learning detection for dropped file 10->59 19 firefox.exe 6 10->19         started        signatures5 process6 dnsIp7 27 mail.gowiththegecko.com.au 110.173.135.85, 49765, 49784, 49792 DIGITALPACIFIC-AUDigitalPacificPtyLtdAustraliaAU Australia 14->27 23 C:\Users\user\AppData\Roaming\...\firefox.exe, PE32 14->23 dropped 25 C:\Users\user\...\firefox.exe:Zone.Identifier, ASCII 14->25 dropped 29 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->29 31 Tries to steal Mail credentials (via file / registry access) 14->31 33 Drops executable to a common third party application directory 14->33 35 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->35 37 Tries to harvest and steal ftp login credentials 19->37 39 Tries to harvest and steal browser information (history, passwords, etc) 19->39 41 Installs a global keyboard hook 19->41 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3845cb20ec33d67319ad79f3b198596f756bd6997c91c573a560329c843539c5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-23 23:13:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hbc4wihmgplhggnnphz3dgczn52wxvuzpsi4k45fmazjzbbvhhcq._file
Verdict:
malicious
Label(s):
agenttesla
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/220725-gr2jeshga5/
Behaviour
Modifies system certificate store
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/e6971093-d27c-4471-92f7-bda0f54a3942/
SH256 hash:
e28f205747c37572b3d8644dae8041fcb857a05a882824013dac395cb4406c23
MD5 hash:
9a9a1b8def9e7798e06adc6db834d169
SHA1 hash:
835f436c75dcf0b2cc69cfcbbff769176aee418c
Link:
https://www.unpac.me/results/e6971093-d27c-4471-92f7-bda0f54a3942/
SH256 hash:
ca4e3745f87ae419e10fa9dd15e9814f66a7dca601ae70bd3ae3b0b0781e9491
MD5 hash:
6491ab64072f34a6124f4cdf1d9bdd43
SHA1 hash:
78008e0c188d1732ebb5bbfe6d15892ebe32b1f7
Link:
https://www.unpac.me/results/e6971093-d27c-4471-92f7-bda0f54a3942/
SH256 hash:
7592a0a7ccae819b5d1f1d159cc531b7a9a21462db971d7ae134b6aaf59b61e6
MD5 hash:
406c95451d39eb6478fdd467cbbe0007
SHA1 hash:
577c649ec2571a02a93ea0a6bb41c59329225c78
Link:
https://www.unpac.me/results/e6971093-d27c-4471-92f7-bda0f54a3942/
SH256 hash:
02a396826d85c9098b0d9dae22f34c97fdac19cfb11cd970b6997aec82458dee
MD5 hash:
050a092a92ab368b229e8b26743a14d3
SHA1 hash:
4375e38d949531eb585938b4e337fc8f94241d82
Link:
https://www.unpac.me/results/e6971093-d27c-4471-92f7-bda0f54a3942/
SH256 hash:
3845cb20ec33d67319ad79f3b198596f756bd6997c91c573a560329c843539c5
MD5 hash:
dfda813df165e9dc5b484d7e2f11a9a7
SHA1 hash:
7bdbc3e938f4e4e34f6f934886692dba8d539b94
Link:
https://www.unpac.me/results/e6971093-d27c-4471-92f7-bda0f54a3942/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3845cb20ec33/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3845cb20ec33d67319ad79f3b198596f756bd6997c91c573a560329c843539c5

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:INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables containing URLs to raw contents of a Github gist
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 3845cb20ec33d67319ad79f3b198596f756bd6997c91c573a560329c843539c5

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2260833/
Cape
Cape
https://www.capesandbox.com/analysis/293876/

Comments


Avatar
zbet commented on 2022-07-25 06:02:23 UTC

url : hxxp://208.67.105.179/bluezx.exe