MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fb81bca0be85814942a2d54565aa2e734ead67e801d9f41af84cdde043b5c135. 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: 12
| SHA256 hash: | fb81bca0be85814942a2d54565aa2e734ead67e801d9f41af84cdde043b5c135 |
|---|---|
| SHA3-384 hash: | 4beaafea8d700a64f00e4171b4fa40152a7bf5b9d00c885f5b9ce5aef4dc665bcfd954f5735517def25e4e69865fe3bd |
| SHA1 hash: | 6638083bf3ee4317323d144009d156198019a408 |
| MD5 hash: | b1d28ebe16a2184ab940ab7e201c03e2 |
| humanhash: | muppet-twelve-harry-minnesota |
| File name: | eustaquio.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 746'496 bytes |
| First seen: | 2022-01-29 16:02:14 UTC |
| Last seen: | 2022-01-29 17:43:59 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:tW/+i/njApp8L6kaHg5nRUfLoQNufGa0t8lnS3JiTfkc14c1F:tWXnjAXk6kQgNReLw4t8lwgfkcacX |
| Threatray | 14'086 similar samples on MalwareBazaar |
| TLSH | T1A1F4AE3222299F76E53FE738632845086FF1BE2AD316E65DBC9970DA1071F41CA72613 |
| Reporter |  pr0xylife |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
eustaquio.exe
Verdict:
Suspicious activity
Analysis date:
2022-01-29 16:05:19 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
obfuscated packed update.exe
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.
Malware family:
Agent Tesla
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-24 09:26:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
31 of 43 (72.09%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 14'076 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
9186d6d48e053ea6cbe13ca5e4a2c9022527646dc4bb96832257755ef87f4f16
MD5 hash:
6d1a1d593a1da586ebdc88a01509b345
SHA1 hash:
f64d76e996b0bb50675ed83d067a4e52830a2ce0
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
7faf6671b2831786101a7bc313e583af0f351af262068747213b88056f13bc32
MD5 hash:
40b90d991294c1816d841e1180d31622
SHA1 hash:
1d4fe6864e4807c4f56002ba0646d6271864ac6b
SH256 hash:
fb81bca0be85814942a2d54565aa2e734ead67e801d9f41af84cdde043b5c135
MD5 hash:
b1d28ebe16a2184ab940ab7e201c03e2
SHA1 hash:
6638083bf3ee4317323d144009d156198019a408
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
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 |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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