MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a321481a5f943697829963ca1ebfafb6f4857ee1af0119daf7c9e274d4e756a0. 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: 11
| SHA256 hash: | a321481a5f943697829963ca1ebfafb6f4857ee1af0119daf7c9e274d4e756a0 |
|---|---|
| SHA3-384 hash: | cc17a129f13a95bea97f813cd3fe06c7b84cd5ae260d9d4d0b13b47d1bcb7daf008feb83547ba05ea6336e8ef2f272e4 |
| SHA1 hash: | d41111e463dfaa1c10a50f0a6a5d48fc8ae4f7e7 |
| MD5 hash: | c7fa443b722dd4bffcda58dbd6a8ad71 |
| humanhash: | robert-artist-march-july |
| File name: | nunu.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 519'168 bytes |
| First seen: | 2021-04-08 05:31:01 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:S9wjX+2kkV0lcEJ7Elh7evegTi9hHnmxLzHs:Cwi2kkGl0lhCHi9h8s |
| Threatray | 3'778 similar samples on MalwareBazaar |
| TLSH | C4B40172525466ABD06D157A8AE0000043F4EC972A99FF7D2EC470E2C9F27D937729EE |
| Reporter |  cocaman |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
nunu.exe
Verdict:
Malicious activity
Analysis date:
2021-04-08 05:34:47 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
Sending a UDP request
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.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Modifies the hosts 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)
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.Backdoor.Androm
Status:
Malicious
First seen:
2021-04-07 23:27:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
15 of 42 (35.71%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 3'768 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6590b9ec4fa84e44c372fda26f47d6d58859d74869621c6bdd4086e6ae411379
MD5 hash:
95dfa1a9015a17a1d49b4faa3f3d999d
SHA1 hash:
427b72727b28436554d0443d797f19b2ea37cc16
SH256 hash:
a321481a5f943697829963ca1ebfafb6f4857ee1af0119daf7c9e274d4e756a0
MD5 hash:
c7fa443b722dd4bffcda58dbd6a8ad71
SHA1 hash:
d41111e463dfaa1c10a50f0a6a5d48fc8ae4f7e7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Gamarue
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
Other
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