MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59d5303a9e91d1c6772b0adbb561c0f021b9dc1976753a98d3c4ab0d91506adf. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 59d5303a9e91d1c6772b0adbb561c0f021b9dc1976753a98d3c4ab0d91506adf
SHA3-384 hash: 123306aab30e902d085d71ed06490b32d85dd1406185e7e789e9c790388a10d852bd21ff246de053453a3de2af9a9f92
SHA1 hash: 49c140f763476bde64d996d4d17d1746776762b9
MD5 hash: 4685e5738bb004ee45701412b47ee7d6
humanhash: north-jersey-yankee-sierra
File name:QTL_0750_3100256107.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:181'248 bytes
First seen:2022-04-11 10:30:10 UTC
Last seen:2022-04-14 06:00:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:NNu4nkP1IhpI0/i4mFeEEffffffBkh5w5e1SkH4iPoEfjE+Sb:Nw4nkP1Ihi9xQkhi2ibAW
Threatray 15'807 similar samples on MalwareBazaar
TLSH T1A604508CBC98852CDDA9EA71081FF173FE297F8AB54CAB54C5407FD63A72221068D935
File icon (PE):PE icon
dhash icon b9dc8cccdeded9b8 (12 x AgentTesla, 7 x Formbook, 7 x NanoCore)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
QTL_0750_3100256107.exe
Verdict:
Malicious activity
Analysis date:
2022-04-11 10:50:53 UTC
Tags:
trojan rat agenttesla opendir stealer
Link:
https://app.any.run/tasks/2929e605-7cae-4e88-8007-498875a99b90

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/262645/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Seraph.ac.4635.16505.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6254036a04b81dabe27f64e0/reports/6b2d7ba8-4d46-4428-80ac-ede4647ae164/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/2aa4ede8-7ff7-4173-8c24-ae13fc51eae5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/974486
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Contains functionality to register a low level keyboard hook
Creates multiple autostart registry keys
Found malware configuration
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)
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 / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 606972 Sample: QTL_0750_3100256107.exe Startdate: 11/04/2022 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 8 other signatures 2->51 7 QTL_0750_3100256107.exe 16 7 2->7         started        12 cTlNs.exe 2->12         started        14 notte.exe 14 3 2->14         started        16 2 other processes 2->16 process3 dnsIp4 43 20.40.97.94, 49776, 49837, 49842 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 7->43 35 C:\Users\user\AppData\Roaming\...\notte.exe, PE32 7->35 dropped 37 C:\Users\user\...\notte.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\...\QTL_0750_3100256107.exe.log, ASCII 7->39 dropped 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->63 65 Creates multiple autostart registry keys 7->65 71 2 other signatures 7->71 18 QTL_0750_3100256107.exe 2 9 7->18         started        23 cmd.exe 1 7->23         started        25 QTL_0750_3100256107.exe 7->25         started        67 Multi AV Scanner detection for dropped file 12->67 69 Machine Learning detection for dropped file 12->69 file5 signatures6 process7 dnsIp8 41 31.210.20.150, 49841, 49843, 49846 PLUSSERVER-ASN1DE Netherlands 18->41 31 C:\Users\user\AppData\Roaming\...\cTlNs.exe, PE32 18->31 dropped 33 C:\Users\user\...\cTlNs.exe:Zone.Identifier, ASCII 18->33 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->53 55 Tries to steal Mail credentials (via file / registry access) 18->55 57 Creates multiple autostart registry keys 18->57 59 4 other signatures 18->59 27 conhost.exe 23->27         started        29 timeout.exe 1 23->29         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/59d5303a9e91d1c6772b0adbb561c0f021b9dc1976753a98d3c4ab0d91506adf/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-11 10:31:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lhktaou6shi4m5zlbln3kyoa6aq3txazoz2tvggtysvq3ekqnlpq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0b646d54e95616324d7350ae0789de1e12e9f93ece6170d81462d608978d92af
AgentTesla
1ef8e4ca252ea20cc0cf43a1dafcf418dceb57064b2ffb46cf0ea237901fc68c
AgentTesla
2b13ffd79b8635bffb44b417c53e0ef02073ff301aca187ae53a911b074c8f09
AgentTesla
72f31458925d45d9de0f448b159d683de009387ee36852a659a2f30d04b7216c
AgentTesla
94a7360767ac1d8ed7364132d86fe6939e620690a7755b5cee737ed3f04cf866
AgentTesla
9bad43f142a567a225549128b8fea3ad301cc5313ec43240573e44d815057c91
AgentTesla
9d9a936978b19fc81f38e6ff2105b88e5d3a0e76efe63737a053a3d7fa5b946c
AgentTesla
c5dacb79bb5f1021b128deef833d1c45bea09c6c27a4a0da9f090509f256ec52
AgentTesla
e01b95ec5682c6215ab8247fb0da97bcb564c3a7833553b53dcbd6434dda242c
AgentTesla
+ 15'797 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220411-mkcvdadfdl/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
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
Unpacked files
SH256 hash:
59d5303a9e91d1c6772b0adbb561c0f021b9dc1976753a98d3c4ab0d91506adf
MD5 hash:
4685e5738bb004ee45701412b47ee7d6
SHA1 hash:
49c140f763476bde64d996d4d17d1746776762b9
Link:
https://www.unpac.me/results/9bb86cd0-16d0-45d8-be6c-65a7ab9b9ec9/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/59d5303a9e91/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/59d5303a9e91d1c6772b0adbb561c0f021b9dc1976753a98d3c4ab0d91506adf

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.

Malspam

AgentTesla

Executable exe 59d5303a9e91d1c6772b0adbb561c0f021b9dc1976753a98d3c4ab0d91506adf

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/262645/

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