MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5908d00b5b5f8cf9ceb036959a9761ada0511033c3e1f6ad54936d75bb0ca20. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
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SHA256 hash: c5908d00b5b5f8cf9ceb036959a9761ada0511033c3e1f6ad54936d75bb0ca20
SHA3-384 hash: 95de1cdd8d8241ba65605e882cf810890b674b47450b1deac2129e94c57469e061c981659cbc67652c35954e55a8ae1c
SHA1 hash: 7fa408d279baf724c98f16a882e5dca3dc017778
MD5 hash: a878c5b06e4b276899e1e9397422007b
humanhash: violet-maine-robert-london
File name:G8mumaTxk5kFdBG.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:742'912 bytes
First seen:2021-06-09 14:15:35 UTC
Last seen:2021-06-09 14:51:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:CJ01lMV40JKf+xsSrnhRuxc2UhHSQ5q7YoRg5IS2/NeoQ6vRm45Y1tiv:CJ01Uu+dCxnQ5CYoR4CFeuvF5Ybi
Threatray 5'750 similar samples on MalwareBazaar
TLSH 31F4E02517089B28E17F93BAC4A5011487F5F503C322DA8EFDA5C8DD2E223C6D76FA56
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/165631/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.832.10505.14308.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/799591
Signature
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
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 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 dnsIp2 2 Behavior Graph ID: 431999 Sample: G8mumaTxk5kFdBG.exe Startdate: 09/06/2021 Architecture: WINDOWS Score: 100 28 smtp.nilkarnal.com 2->28 30 us2.smtp.mailhostbox.com 2->30 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Multi AV Scanner detection for dropped file 2->40 42 6 other signatures 2->42 8 G8mumaTxk5kFdBG.exe 7 2->8         started        signatures3 process4 file5 22 C:\Users\user\AppData\...\ybGSsBfWvJpsi.exe, PE32 8->22 dropped 24 C:\Users\user\AppData\Local\...\tmp50C9.tmp, XML 8->24 dropped 26 C:\Users\user\...behaviorgraph8mumaTxk5kFdBG.exe.log, ASCII 8->26 dropped 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->46 48 Uses schtasks.exe or at.exe to add and modify task schedules 8->48 50 Injects a PE file into a foreign processes 8->50 12 G8mumaTxk5kFdBG.exe 2 8->12         started        16 schtasks.exe 1 8->16         started        18 G8mumaTxk5kFdBG.exe 8->18         started        signatures6 process7 dnsIp8 32 smtp.nilkarnal.com 12->32 34 us2.smtp.mailhostbox.com 12->34 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->52 54 Tries to steal Mail credentials (via file access) 12->54 56 Tries to harvest and steal ftp login credentials 12->56 58 Tries to harvest and steal browser information (history, passwords, etc) 12->58 20 conhost.exe 16->20         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c5908d00b5b5f8cf9ceb036959a9761ada0511033c3e1f6ad54936d75bb0ca20/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-09 14:15:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
50
AV detection:
13 of 29 (44.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ywii2afvwx4m7hhlanuvtklwdlnakeidhq7b62wvje3now5qziqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a2188f5cec31614ed7c703daa97120e115d18d6887a0f9f6061278ec0cd88fdf
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c96cb19ea3541a6591f2be3cfe048a63b84fcd538f023144df86694a34d06934
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decd78fc105be0f2f8ddf9b74e5676499d1b15cbe4cd26153439948575362db9
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f9730987faf0f6cc1bd369f26c68bb4ed109eefb032cc6156a5f878cc1b51ac1
AgentTesla
+ 5'740 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/210609-9cj6vxe9e2/
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:
e987e066b6b1ca5c3698a367d405b671a7f33e388289cb6b191faf4796478596
MD5 hash:
8b3814abb5e9cd9fb5da34bc71a4afc2
SHA1 hash:
8005c030dd9d0c1f146d18c4597f0a0f55e16577
Link:
https://www.unpac.me/results/01da089a-d00a-4b78-8a55-85aa36700411/
SH256 hash:
c5908d00b5b5f8cf9ceb036959a9761ada0511033c3e1f6ad54936d75bb0ca20
MD5 hash:
a878c5b06e4b276899e1e9397422007b
SHA1 hash:
7fa408d279baf724c98f16a882e5dca3dc017778
Link:
https://www.unpac.me/results/01da089a-d00a-4b78-8a55-85aa36700411/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c5908d00b5b5f8cf9ceb036959a9761ada0511033c3e1f6ad54936d75bb0ca20

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/165631/
  
URLhaus
https://urlhaus.abuse.ch/url/1346317/

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