MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79ce7bf9135fe898db020a36c73c12f10f39fe3546f8d688dd3d639bf3cb8f18. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 79ce7bf9135fe898db020a36c73c12f10f39fe3546f8d688dd3d639bf3cb8f18
SHA3-384 hash: 2b347e7e1b8a5bd93889eb1a829c7406772a966aca4bf0388a7ff51eb5622f3bbc309b8097537652d53c5d937881eeb1
SHA1 hash: d903f30abdeeaf5c4220d264267259835dd03b31
MD5 hash: 4757bf10e11b9231651491c9f06fdfd2
humanhash: arkansas-yellow-butter-quiet
File name:4757bf10e11b9231651491c9f06fdfd2.exe
Download: download sample
Signature AgentTesla
File size:1'064'448 bytes
First seen:2022-10-21 08:43:50 UTC
Last seen:2022-10-21 08:56:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:zIlY04043YY+ceZhvqVlfEuh4miQCFShGiHa0CgVpicxIe0v3pKKaDSKjkU51IP:M0xiHF6ARgarTvZKKzUPI
Threatray 21'158 similar samples on MalwareBazaar
TLSH T15A3538BA26D50147E8263A759093D1B366FBAE516445E1CB64C32F2FBCA42FF8113387
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 d6c3c1f98c8edef2 (12 x AgentTesla, 5 x SnakeKeylogger, 1 x RemcosRAT)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Order No. BCM190282.docx
Verdict:
Malicious activity
Analysis date:
2022-10-20 08:39:54 UTC
Tags:
trojan opendir exploit cve-2017-11882 loader agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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 potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 727390 Sample: 4p2Isdc9i1.exe Startdate: 21/10/2022 Architecture: WINDOWS Score: 100 59 us2.smtp.mailhostbox.com 2->59 61 api.ipify.org.herokudns.com 2->61 63 api.ipify.org 2->63 77 Malicious sample detected (through community Yara rule) 2->77 79 Sigma detected: Scheduled temp file as task from temp location 2->79 81 Multi AV Scanner detection for submitted file 2->81 83 7 other signatures 2->83 8 4p2Isdc9i1.exe 7 2->8         started        12 sYEatj.exe 2->12         started        14 bDyGeBDvF.exe 5 2->14         started        16 sYEatj.exe 2->16         started        signatures3 process4 file5 51 C:\Users\user\AppData\Roaming\bDyGeBDvF.exe, PE32 8->51 dropped 53 C:\Users\...\bDyGeBDvF.exe:Zone.Identifier, ASCII 8->53 dropped 55 C:\Users\user\AppData\Local\Temp\tmp39F.tmp, XML 8->55 dropped 57 C:\Users\user\AppData\...\4p2Isdc9i1.exe.log, ASCII 8->57 dropped 95 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->95 97 May check the online IP address of the machine 8->97 99 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->99 107 2 other signatures 8->107 18 4p2Isdc9i1.exe 17 6 8->18         started        23 powershell.exe 21 8->23         started        25 schtasks.exe 1 8->25         started        101 Multi AV Scanner detection for dropped file 12->101 103 Machine Learning detection for dropped file 12->103 105 Injects a PE file into a foreign processes 12->105 27 sYEatj.exe 12->27         started        29 schtasks.exe 12->29         started        31 schtasks.exe 14->31         started        33 svchost.exe 14->33         started        35 bDyGeBDvF.exe 14->35         started        37 bDyGeBDvF.exe 14->37         started        signatures6 process7 dnsIp8 65 us2.smtp.mailhostbox.com 208.91.199.224, 49716, 587 PUBLIC-DOMAIN-REGISTRYUS United States 18->65 67 api.ipify.org.herokudns.com 3.232.242.170, 443, 49715 AMAZON-AESUS United States 18->67 69 api.ipify.org 18->69 47 C:\Users\user\AppData\Roaming\...\sYEatj.exe, PE32 18->47 dropped 49 C:\Users\user\...\sYEatj.exe:Zone.Identifier, ASCII 18->49 dropped 85 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->85 87 Tries to steal Mail credentials (via file / registry access) 18->87 89 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->89 39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        71 208.91.198.143, 49726, 49728, 587 PUBLIC-DOMAIN-REGISTRYUS United States 27->71 73 3.220.57.224, 443, 49717 AMAZON-AESUS United States 27->73 75 api.ipify.org 27->75 91 Tries to harvest and steal ftp login credentials 27->91 93 Tries to harvest and steal browser information (history, passwords, etc) 27->93 43 conhost.exe 29->43         started        45 conhost.exe 31->45         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-20 07:22:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b62aa542692ebe42d87d8d3ec1a61bf18c219ff55f1a2bfa98c5417f789ed310
MD5 hash:
0f6e78fc9eb453c3897a4589453d1d89
SHA1 hash:
de045d666e0484fb2c396373199eaf2acc5e8311
SH256 hash:
1bbdd9119881f933a7eae575e2bcdaeace4ab5b359ee8ee553c4b8f38e0e44a5
MD5 hash:
3f20c712aede31e36a2d40d8cf21fb02
SHA1 hash:
ba87f5476b9cecf8272e4c71c0978b1e9ba15ca3
SH256 hash:
382eb674d5243ac5c42cbc442b65806ffda1b72adfade43c75bf71898e4a5097
MD5 hash:
ba654b780b7f06d9525dda39c5c9df49
SHA1 hash:
ac38b4732dd2aa50cd48c1e04dc19b3a263fc277
SH256 hash:
678d527fc01a0eaa1be366ca97b0ad5a3fe890b1ef8267d2fc981ff43c4d08e5
MD5 hash:
2da433d67db4775d8f02a8fed4b31bf3
SHA1 hash:
235fe8f2076f3b5cfffacc574825550cee8e61e9
SH256 hash:
edadc813f4440ada276da601d8f31780e5e138b8ee392e3f49a509322a1fb51e
MD5 hash:
574597554c69083c1af2b742a97a92b6
SHA1 hash:
043eea660b8650c5a0042f842fd8db3516d37a2c
SH256 hash:
79ce7bf9135fe898db020a36c73c12f10f39fe3546f8d688dd3d639bf3cb8f18
MD5 hash:
4757bf10e11b9231651491c9f06fdfd2
SHA1 hash:
d903f30abdeeaf5c4220d264267259835dd03b31
Malware family:
AgentTesla.v3
Verdict:
Malicious
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:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 79ce7bf9135fe898db020a36c73c12f10f39fe3546f8d688dd3d639bf3cb8f18

(this sample)

  
Delivery method
Distributed via web download

Comments