MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 efa3b6173c92f365051817f1b15924769b10c443e3f1ee2de18d5a4a939d816f. 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: | efa3b6173c92f365051817f1b15924769b10c443e3f1ee2de18d5a4a939d816f |
|---|---|
| SHA3-384 hash: | ef9833530db488e024fdf17c21cbe0681570fa8486b7b8978a722679ba3a2b38db8cc4d4ae81864ed4c19d329cab5556 |
| SHA1 hash: | e3003278fc99072aac9a900035913693fd1533cf |
| MD5 hash: | 21243384787df75b2cb7a6e3e50f1f92 |
| humanhash: | stream-failed-texas-nineteen |
| File name: | Customer Ref[1004465929].exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 1'196'032 bytes |
| First seen: | 2021-08-26 20:28:45 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:wBbK4HtLGEUBXeu0BU5SisIid0kph+QrA2r79gEflEGD/XnyP112PdsfLosmoyJf:wtfjoBB2f3hjCDFGyRYsqud0YWS5D |
| Threatray | 9'015 similar samples on MalwareBazaar |
| TLSH | T19B45D93DBD252633E7BA86F8C4860D4EE69414CB22734DDF42D2A7892117617B6FA31C |
| Reporter |  malwarelabnet |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
376
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Customer Ref[1004465929].exe
Verdict:
Suspicious activity
Analysis date:
2021-08-26 20:30:27 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Unauthorized injection to a system process
Malware family:
Agent Tesla
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
.NET source code references suspicious native API functions
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
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: MSBuild connects to smtp port
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-26 20:29:04 UTC
AV detection:
13 of 45 (28.89%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 9'005 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f3062f4e58cd3602bdf79258d37caa50a30dcbbae02d7e55af651dc28c92ab03
MD5 hash:
09ed6fd2f5544a1b3ae18b8206769cc9
SHA1 hash:
d7ca2c21a5159c9bef634676029da03c3a4734e4
SH256 hash:
5fb73982533d4a88239264c25cadf953fcbbcb3f583d2b6c50cbbc8cccf6aff6
MD5 hash:
f712c1435184a358b8099c70f2348963
SHA1 hash:
873ff18d42272c6ed9ad621d23072112dcee2766
SH256 hash:
c93ec5e02e54a574a3346c66816cb190e85560372332e1d407d3f6a93029d461
MD5 hash:
4a9b2364b46b648bd9e56d32b6aaafed
SHA1 hash:
819caf2b858482c8cc99375263575498f6efd526
SH256 hash:
efa3b6173c92f365051817f1b15924769b10c443e3f1ee2de18d5a4a939d816f
MD5 hash:
21243384787df75b2cb7a6e3e50f1f92
SHA1 hash:
e3003278fc99072aac9a900035913693fd1533cf
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | ach_AgentTesla_20200929 |
|---|---|
| Author: | abuse.ch |
| Description: | Detects AgentTesla PE |
| Rule name: | AgentTeslaV3 |
|---|---|
| Author: | ditekshen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | MALWARE_Win_AgentTeslaV3 |
|---|---|
| Author: | ditekSHen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_agent_tesla_v1 |
|---|---|
| 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.
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