MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e745fc5ec28d735f71d350f25af5c3df31ee2704c23519fe9c5708981c1f2be. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8e745fc5ec28d735f71d350f25af5c3df31ee2704c23519fe9c5708981c1f2be
SHA3-384 hash: 3723ed19b0168b7cfa69e4bb14ef9ddd6a176052757ece0d6d352e8997501087667bbde29ce5e4e5565e85ae87f47e46
SHA1 hash: a8f796c8ff58f313e5414079426daa782bd961b7
MD5 hash: c0625330201ef414202bb8e1cc416e7c
humanhash: fish-eight-thirteen-tango
File name:Additional documents.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:577'024 bytes
First seen:2021-05-19 12:48:05 UTC
Last seen:2021-05-19 13:33:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:mXiBUvvx7tpQoHlSRyL50eu+zOCujAMAOBkDYCySW2/n3QDg5awO2Kz:nivvVHTHlCu5HtOb8xOBkJySWU3QsEZ7
Threatray 5'053 similar samples on MalwareBazaar
TLSH 5CC4F131279AAB59E9BD877D5122420013F2F61A9312CB0C7F8D25ED2E21B85C7777A3
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Additional documents.exe
Verdict:
Malicious activity
Analysis date:
2021-05-19 12:51:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/29bf4644-8617-443e-8ab5-d889666f2849

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/158592/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.747-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
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/784937
Signature
Allocates memory in foreign processes
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 417335 Sample: Additional documents.exe Startdate: 19/05/2021 Architecture: WINDOWS Score: 100 31 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->31 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 9 other signatures 2->37 7 Additional documents.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\HGeeUr.exe, PE32 7->19 dropped 21 C:\Users\user\...\HGeeUr.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\Temp\tmpEAA.tmp, XML 7->23 dropped 25 C:\Users\...\Additional documents.exe.log, ASCII 7->25 dropped 39 Writes to foreign memory regions 7->39 41 Allocates memory in foreign processes 7->41 43 Injects a PE file into a foreign processes 7->43 11 RegSvcs.exe 15 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 us-east-1.route-1000.000webhost.awex.io 145.14.145.177, 21, 34931, 49709 AWEXUS Netherlands 11->27 29 files.000webhost.com 11->29 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 3 other signatures 11->51 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8e745fc5ec28d735f71d350f25af5c3df31ee2704c23519fe9c5708981c1f2be/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-19 11:29:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rz2f7rpmfdltl5y5guhsll24hxzr5ytqjqrvdh7jyvyitaob6k7a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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79f4fd889750502ba0de55f09f9e9641eb609ab5f1b060fd55935ae82efe3ce3
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919e95274ec83b6119781ab980cff97adae09a8bf98c9d9f5b2195fce8c78849
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a69d7c4195cbe5ce32ac6b49ec6a95ec81a80849480cd261f9f613019dde351d
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bc648092ceaf8ffba4030d06d3ac5f9186f6dd34b409c924aeb7e519e37ef9e1
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f3c7b5d6e8fa927b4a644ba2d52cf4162c643b1cf774ad26b311da27ce263958
AgentTesla
+ 5'043 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/210519-gjj96238ns/
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:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8e745fc5ec28d735f71d350f25af5c3df31ee2704c23519fe9c5708981c1f2be

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:hancitor_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
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 8e745fc5ec28d735f71d350f25af5c3df31ee2704c23519fe9c5708981c1f2be

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/158592/

Comments