MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 879811fbedbef41d9e338bebab74f5240924ef003d4631ef73ad6080b99b75c9. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 879811fbedbef41d9e338bebab74f5240924ef003d4631ef73ad6080b99b75c9
SHA3-384 hash: b0a09df8e045fbda926716f9ded91a2104e7a2b901d86b28f4f7656aa27fecc4357b4d8f8ec717fdcce00512f0d06b5b
SHA1 hash: 61dba2f56928d38e231e136a00ea9930f414c9ab
MD5 hash: 6df35d13af1d81c07add53e3b8efb89e
humanhash: freddie-seventeen-island-nuts
File name:6df35d13af1d81c07add53e3b8efb89e.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:982'528 bytes
First seen:2021-04-22 06:13:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:Lz/hisa6b1OdVFJhX/FjGRBkRkm7QkNRieGIqh:LzUTO1O/sm8kNMe5qh
Threatray 9 similar samples on MalwareBazaar
TLSH 5F257AC175769B0CEFE50B7A25718BB21E213F29179FBDBE36E03B450679940E20162E
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quote Request #7779510.doc
Verdict:
Malicious activity
Analysis date:
2021-04-21 16:56:04 UTC
Tags:
ole-embedded loader
Link:
https://app.any.run/tasks/16f3af0c-e935-4b8d-aaf3-99d8117e87ee

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/143531/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.18262.6945.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
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/692493
Signature
.NET source code contains very large array initializations
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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: 395187 Sample: 5Huf9v44bz.exe Startdate: 22/04/2021 Architecture: WINDOWS Score: 100 27 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->27 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 8 other signatures 2->33 7 5Huf9v44bz.exe 6 2->7         started        process3 file4 19 C:\Users\user\AppData\...\XvpHZzzbcdrtXB.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmpBA6A.tmp, XML 7->21 dropped 23 C:\Users\user\AppData\...\5Huf9v44bz.exe.log, ASCII 7->23 dropped 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->35 37 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->37 39 Uses schtasks.exe or at.exe to add and modify task schedules 7->39 11 5Huf9v44bz.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 us2.smtp.mailhostbox.com 208.91.198.143, 49739, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->25 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->41 43 Tries to steal Mail credentials (via file access) 11->43 45 Tries to harvest and steal ftp login credentials 11->45 47 2 other signatures 11->47 17 conhost.exe 15->17         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/879811fbedbef41d9e338bebab74f5240924ef003d4631ef73ad6080b99b75c9/
Threat name:
ByteCode-MSIL.Trojan.Phonzy
Create hunting rule
Status:
Malicious
First seen:
2021-04-21 15:05:24 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6mbd67nx32b3hrtrpv2w5hveqesj3yahvddd33tvvqibom3oxeq._file
Verdict:
unknown
Similar samples:
001706c59174b47d3adb36f4d33ec09088af0f5899807e418a46d8747b07bab7
AgentTesla
4bfc65c93dae3e7158c102300e24f8f4894bdc7e480798ca684cf10c337a05a7
AgentTesla
7aa6ba1ed3e72514eac19d8b9ee4f95a17e33b63159bc75bd57ad8b38ce6361e
AgentTesla
84b36ef694c33f931d55f3e8bc3b8611799a478216a4e708d2280e8c8bc07d08
AgentTesla
89b7ce8de53ccf4aff814e942aa9042022e4644520a09ee1b0b13a429d552ea1
AgentTesla
8d20f4a3b6d6a06e29d6807191d0347cbb38b377d1daeede7b710c4f082516c1
AgentTesla
ad7352ddb27f165faa309916430d17aead69a6359f74d163c0c488bb551b3fb0
AgentTesla
ba5786cfe255f158264fabd0b0cbf90b6f96ddd230a5fe82ca0c551d420f95be
AgentTesla
bda6d3b18fa97de048056b1b52ae6873b7b1cd2742b16282ec1e6e0d23b65a3d
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210422-tjba1eketj/
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
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/879811fbedbef41d9e338bebab74f5240924ef003d4631ef73ad6080b99b75c9

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: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 879811fbedbef41d9e338bebab74f5240924ef003d4631ef73ad6080b99b75c9

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/143531/
  
URLhaus
https://urlhaus.abuse.ch/url/1150070/
  
Delivery method
Distributed via web download

Comments