MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 99c823dce3f531e2a4d5c7ac84b74bb630cb344f281519927d4c202c8bac1720. 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: 10
| SHA256 hash: | 99c823dce3f531e2a4d5c7ac84b74bb630cb344f281519927d4c202c8bac1720 |
|---|---|
| SHA3-384 hash: | 43ea6c48b45fd11db71ef1204a47fb4050fc1a1a766d80c91511354d7e3a122382aceacc4aa9b261ef6e21c783f2b164 |
| SHA1 hash: | 181a7b1886efca3034415d2630ee7a0b5006dd4a |
| MD5 hash: | 56a46ee1c4e70054bd3f41a895d09d3a |
| humanhash: | johnny-steak-early-crazy |
| File name: | Reversed Contract 2021_pdf.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 485'376 bytes |
| First seen: | 2021-01-18 15:10:39 UTC |
| Last seen: | 2021-01-18 17:01:01 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 3fa489abaee814a61ce0966e1954db55 (12 x Loki, 7 x RemcosRAT, 3 x SnakeKeylogger) |
| ssdeep | 12288:O4GbT/r+Xtcz1Ri/ZZyWGEi+G9QmjH7n/4I:OjTSczji/ZZynj+G97/v |
| Threatray | 2'458 similar samples on MalwareBazaar |
| TLSH | 27A4E01826C0C037D05221708279DB714AA539B97E63E69FBFD93977BF207D1A22632D |
| Reporter |  GovCERT_CH |
| Tags: | AgentTesla |
Intelligence
File Origin
# of uploads :
4
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Reversed Contract 2021_pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-18 07:24:27 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:
Malware
Maliciousness:
Behaviour
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
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 malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-01-18 08:38:04 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 2'448 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
99c823dce3f531e2a4d5c7ac84b74bb630cb344f281519927d4c202c8bac1720
MD5 hash:
56a46ee1c4e70054bd3f41a895d09d3a
SHA1 hash:
181a7b1886efca3034415d2630ee7a0b5006dd4a
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: | 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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