MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 871a7f14c61157dbea48d27f92bc64097e10eb44a9c8ef7543c435e275ca249c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 871a7f14c61157dbea48d27f92bc64097e10eb44a9c8ef7543c435e275ca249c
SHA3-384 hash: 49054b062cd29aba7ee3d9468ebbed5d4e8c34a47684db8d598410491930e25a65acaf1a8f5db7ed33151897d12ffa0b
SHA1 hash: c52a64b7189c762b907a9d727950f3d1364c68ba
MD5 hash: c11d6124ee0522c7ab71d20cf3474dc0
humanhash: pasta-four-edward-grey
File name:c11d6124ee0522c7ab71d20cf3474dc0.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:619'008 bytes
First seen:2020-11-20 18:43:52 UTC
Last seen:2020-11-20 20:42:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:U/bH8hDt8CFefzXYQ1pY5ucIaIGnrqhz2VLgBpVy:2ritb6jYQXLGnrqIVkBpV
Threatray 1'448 similar samples on MalwareBazaar
TLSH 92D42325634846A2F5EF13BF74B0440E43709397F104DB5EEC8CD6E896223DA62E96DB
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
377
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
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/544400
Signature
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
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: RegAsm connects to smtp port
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 access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 321298 Sample: yQDGREHA9h.exe Startdate: 20/11/2020 Architecture: WINDOWS Score: 100 24 g.msn.com 2->24 32 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->32 34 Found malware configuration 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 4 other signatures 2->38 8 yQDGREHA9h.exe 1 2->8         started        signatures3 process4 signatures5 48 Writes to foreign memory regions 8->48 50 Maps a DLL or memory area into another process 8->50 11 yQDGREHA9h.exe 8->11         started        14 RegAsm.exe 8->14         started        16 RegAsm.exe 2 8->16         started        18 RegAsm.exe 8->18         started        process6 signatures7 52 Maps a DLL or memory area into another process 11->52 20 RegAsm.exe 15 2 11->20         started        54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->54 56 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->56 process8 dnsIp9 26 us2.smtp.mailhostbox.com 208.91.199.223, 49741, 587 PUBLIC-DOMAIN-REGISTRYUS United States 20->26 28 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.83.248, 443, 49740 AMAZON-AESUS United States 20->28 30 2 other IPs or domains 20->30 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->40 42 Tries to steal Mail credentials (via file access) 20->42 44 Tries to harvest and steal ftp login credentials 20->44 46 Tries to harvest and steal browser information (history, passwords, etc) 20->46 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/871a7f14c61157dbea48d27f92bc64097e10eb44a9c8ef7543c435e275ca249c/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-11-20 13:16:47 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q4nh6fggcfl5x2si2j7zfpdebf7bb22evheo65kdyq26e5okesoa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 1'438 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201120-knqf4kteh2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
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:
871a7f14c61157dbea48d27f92bc64097e10eb44a9c8ef7543c435e275ca249c
MD5 hash:
c11d6124ee0522c7ab71d20cf3474dc0
SHA1 hash:
c52a64b7189c762b907a9d727950f3d1364c68ba
Link:
https://www.unpac.me/results/eaa09603-21f6-404d-a248-303a5e7657b7/
SH256 hash:
3191dda2560a181966d363ad18a68a9df049611ea851860841fb34e67e119070
MD5 hash:
e6a95356a679ad337e9bf53fc7bbc188
SHA1 hash:
3e0746892d49db698ed1f1996c89d3416f85ef35
Link:
https://www.unpac.me/results/eaa09603-21f6-404d-a248-303a5e7657b7/
SH256 hash:
fda27325ebaf0af40055f7b311be221964a6f93a93560d6169997abb9828dd01
MD5 hash:
ae94e641890c26fefce73ed0b1def7a3
SHA1 hash:
66c3d3ea071e4e8fc6408c55301550b13c5d3481
Link:
https://www.unpac.me/results/eaa09603-21f6-404d-a248-303a5e7657b7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/871a7f14c61157dbea48d27f92bc64097e10eb44a9c8ef7543c435e275ca249c

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: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 871a7f14c61157dbea48d27f92bc64097e10eb44a9c8ef7543c435e275ca249c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/836804/
  
Delivery method
Distributed via web download

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