MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8193d638399a6801bdb374053b0da2844ac5d64c4740c776707e99ffbb7d07a4. 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: 8
| SHA256 hash: | 8193d638399a6801bdb374053b0da2844ac5d64c4740c776707e99ffbb7d07a4 |
|---|---|
| SHA3-384 hash: | ab866a24526ad740b2d4788dba80334f2c652e581b58e3e324466bd38601df6362d9f0f43c554034af69885ad97504da |
| SHA1 hash: | d75846ad7b477c8b7207bbee6197b90110843a73 |
| MD5 hash: | 12694c2a3adb2c2d9789640afb892908 |
| humanhash: | early-kansas-oklahoma-august |
| File name: | swift-ref_inv00891.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 616'960 bytes |
| First seen: | 2020-07-30 06:46:30 UTC |
| Last seen: | 2020-07-31 13:40:53 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:xGDi7DD99uLmA85sbACZMjUq2wnIDGPZIHQs6z:8DyDD90LmAnACugq2wnIDGPZIw5 |
| Threatray | 30 similar samples on MalwareBazaar |
| TLSH | B1D4D06CF7A0D814CBBE0279E6EC4804CFFC91959923D35A298467AB1DF3765F5002BA |
| Reporter |  jarumlus |
| Tags: | AgentTesla |
Intelligence
File Origin
# of uploads :
4
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
80 / 100
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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 steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-30 02:40:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
suspicious
Similar samples:
+ 20 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
persistence spyware
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Adds Run key to start application
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
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: | Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | CAP_HookExKeylogger |
|---|---|
| Author: | Brian C. Bell -- @biebsmalwareguy |
| Reference: | https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar |
| Rule name: | win_agent_tesla_w1 |
|---|---|
| Author: | govcert_ch |
| Description: | Detect Agent Tesla based on common .NET code sequences |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Dropped by
AgentTesla
Delivery method
Distributed via e-mail attachment
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