MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b781df66caf45fdac58f73a6afef70d175ba9a2cbac69f1b55386d90d5e847a4. 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: 9
| SHA256 hash: | b781df66caf45fdac58f73a6afef70d175ba9a2cbac69f1b55386d90d5e847a4 |
|---|---|
| SHA3-384 hash: | 9c7864b9ca4a19a91a84f3f726d5b1c0b06e6ebf4fcba2b240146fbb584115eeded2cef22765c1736bc532bfbb38eb2c |
| SHA1 hash: | 30dfa14a2910e99cb0b5f5a7c470b53a853445ff |
| MD5 hash: | 3750d686e548f7937dd8731ede2174be |
| humanhash: | don-low-maine-foxtrot |
| File name: | AirWaybill docs-CL.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 691'200 bytes |
| First seen: | 2021-02-08 11:36:13 UTC |
| Last seen: | 2021-02-08 13:54:04 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:K8313kCCaIOY0AvdylJ5ZWxqJ2lkjWnG0ZshHoyCY:d313zjqylJ5ZWMcG5 |
| Threatray | 6 similar samples on MalwareBazaar |
| TLSH | 0EE49D91F250BFA9F0394E344B54A22013E469CB8AD1C70EFCA73FD775A2281155ABDE |
| Reporter |  fabjer |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AirWaybill docs-CL.exe
Verdict:
Malicious activity
Analysis date:
2021-02-08 11:38:42 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
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)
Sigma detected: Scheduled temp file as task from temp location
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 AntiVM_3
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-02-08 09:26:42 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
Result
Malware family:
n/a
Score:
5/10
Tags:
ransomware
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
4ad1def27516b426a5c85575335f7ccb03136873a941f36b6575ba31dcfdc50c
MD5 hash:
9a3d62149b54e9295d1fe12e42f3ee18
SHA1 hash:
e0eb914aceeb474aace162c760f61c804e2a66e5
SH256 hash:
3e7bc721d42aab203fb68cbcf04a91ea5cb3da9aa58c15e0f12f785533692050
MD5 hash:
ee0f8edda7211d49ebaf25351fb7f337
SHA1 hash:
ac2384f8e6221bae1e3fe1c16d7c565172f7c6b4
SH256 hash:
2b2bcf851c2b87033fd24c890c2a1de3642564f7cec7282982d96b8280baa849
MD5 hash:
befb0470c71d676cc891cba16088975d
SHA1 hash:
5b7143f97d1d656fd1cacf70949048c1951b639a
SH256 hash:
b781df66caf45fdac58f73a6afef70d175ba9a2cbac69f1b55386d90d5e847a4
MD5 hash:
3750d686e548f7937dd8731ede2174be
SHA1 hash:
30dfa14a2910e99cb0b5f5a7c470b53a853445ff
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: | MALWARE_Win_AgentTeslaV3 |
|---|---|
| Author: | ditekSHen |
| Description: | AgentTeslaV3 infostealer payload |
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
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