MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b18533f623ecf7f114589412775f906fca945b325ff02f831ea369e50be6d624. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b18533f623ecf7f114589412775f906fca945b325ff02f831ea369e50be6d624
SHA3-384 hash: 6506ea85d76501c1d35b788a520d836d04300d50c53564e80da99a7f486297b9c4aa00804ae6bf0324f5a7a8392bf346
SHA1 hash: b6ef671c7f0b13486a48543afb4d81508190da52
MD5 hash: 9d13cf8eddd56169dade46ef1adbe2e2
humanhash: east-butter-don-cup
File name:9d13cf8eddd56169dade46ef1adbe2e2.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:799'232 bytes
First seen:2021-03-30 06:58:17 UTC
Last seen:2021-03-30 08:00:51 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:X1qDtUwFn/gLRdPciwKbAEOuvyQcdaB5SbNKmnR+WvcOUPQe:XWUEn4UEfvoda4Q
Threatray 1 similar samples on MalwareBazaar
TLSH DE05B3AC70AE609DDEB5AA30F9B55D825FC424320F17FF3B249312446C5B76AFA4E460
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
webmail.1300dentrepair.com.au:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INV2102-MDRTCL.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-30 05:56:13 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader rat agenttesla trojan
Link:
https://app.any.run/tasks/1791078b-6d5c-4abf-bf1d-f8086eccdf0a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/127919/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Fareit.bc.8513.22363.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/658057
Signature
.NET source code contains very large array initializations
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 377958 Sample: 8D19uC6H6A.exe Startdate: 30/03/2021 Architecture: WINDOWS Score: 100 29 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->29 31 Found malware configuration 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 7 other signatures 2->35 7 8D19uC6H6A.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\RoamingGSsWABkg.exe, PE32 7->19 dropped 21 C:\Users\...GSsWABkg.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpB3DB.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\8D19uC6H6A.exe.log, ASCII 7->25 dropped 37 Detected unpacking (changes PE section rights) 7->37 39 Detected unpacking (overwrites its own PE header) 7->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 3 other signatures 7->43 11 8D19uC6H6A.exe 6 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 webmail.1300dentrepair.com.au 173.237.136.115, 49721, 49722, 587 ASMALLORANGE1US United States 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 2 other signatures 11->51 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b18533f623ecf7f114589412775f906fca945b325ff02f831ea369e50be6d624/
Threat name:
ByteCode-MSIL.Packed.Confuser
Create hunting rule
Status:
Malicious
First seen:
2021-03-30 06:59:04 UTC
AV detection:
14 of 48 (29.17%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wgcth5rd5t37cfcysqjhox4qn7fjiwzsl7yc7ay6unu6kc7g2ysa._file
Verdict:
unknown
Similar samples:
cc6e538004f2725145291a264b3f8d9835566c9950fcda9a11fc19d40fd44b26
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210330-d1m35efw8e/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
Link:
https://www.unpac.me/results/c7a891e8-23d0-48dd-9714-86ef6d348704/
SH256 hash:
b18533f623ecf7f114589412775f906fca945b325ff02f831ea369e50be6d624
MD5 hash:
9d13cf8eddd56169dade46ef1adbe2e2
SHA1 hash:
b6ef671c7f0b13486a48543afb4d81508190da52
Link:
https://www.unpac.me/results/c7a891e8-23d0-48dd-9714-86ef6d348704/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b18533f623ecf7f114589412775f906fca945b325ff02f831ea369e50be6d624

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Web download

AgentTesla

Executable exe b18533f623ecf7f114589412775f906fca945b325ff02f831ea369e50be6d624

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/127919/
  
URLhaus
https://urlhaus.abuse.ch/url/1098205/
  
Delivery method
Distributed via web download

Comments