MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a138fd0de1cd25269b35f40d44bad1d1cb48eb3292b75667df0ce68371661f4a. 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: | a138fd0de1cd25269b35f40d44bad1d1cb48eb3292b75667df0ce68371661f4a |
|---|---|
| SHA3-384 hash: | b545868b20f03aad23bf49688776467d64a490987927df9c281928301b8ab3bce318ca38660e52626d3121ebdb4dca44 |
| SHA1 hash: | c37659ac7cb978531904fb8526d2e3c9000c0a18 |
| MD5 hash: | 0829d7277e5974a2c1fca6d18440f4f3 |
| humanhash: | fish-oven-foxtrot-white |
| File name: | PO345006787999995969790054096969707.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 1'045'504 bytes |
| First seen: | 2020-10-12 19:31:57 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 | 24576:tLhe/SU/FNRC0AYvOkUqHCsgPuucqj8hc/GJ1T:tL0C0BOkFAuejC |
| Threatray | 9'419 similar samples on MalwareBazaar |
| TLSH | C325F16232E54B86D17E8BF50224A17043F97E2B346EE61D2DC62DDF7A74F818600B67 |
| Reporter |  abuse_ch |
| Tags: | AgentTesla exe |
abuse_ch
Malspam distributing AgentTesla:HELO: rkr0.sievo.cf
Sending IP: 46.101.8.130
From: Nantharat Promto <sales08@sievo.cf>
Reply-To: Nantharat Promto <inf0@wantarengineering.com>
Subject: PO#589300030
Attachment: PO345006787999995969790054096969707.zip (contains "PO345006787999995969790054096969707.exe")
AgentTesla SMTP exfil server:
mail.spamora.net:587
Intelligence
File Origin
# of uploads :
1
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Setting a keyboard event handler
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2020-10-12 10:29:20 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 9'409 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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 Payload
AgentTesla
Unpacked files
SH256 hash:
a138fd0de1cd25269b35f40d44bad1d1cb48eb3292b75667df0ce68371661f4a
MD5 hash:
0829d7277e5974a2c1fca6d18440f4f3
SHA1 hash:
c37659ac7cb978531904fb8526d2e3c9000c0a18
SH256 hash:
fd8a9b2f92370f4c8ddcd0a9d00512f50d00b8e29f9b4b5e05da30e35815c233
MD5 hash:
af149c991a7ab5aea492caec3a10d31f
SHA1 hash:
0ca095ad763964123b3e60cf97d684a37ff5c1de
SH256 hash:
989912a0259924b09ef63063bee007f86465ca3f40eef331fbad48c0a7911c1f
MD5 hash:
3198b9e428e758357ee522fa97cd4428
SHA1 hash:
3d7b98e691fa3c0897e8e95dcbf4dc8d0cc5f5dc
Detections:
win_agent_tesla_w1
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
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: | AgentTesla_extracted_bin |
|---|---|
| Author: | James_inthe_box |
| Description: | AgentTesla extracted |
| Rule name: | AgentTesla_mod_tough_bin |
|---|---|
| Author: | James_inthe_box |
| Reference: | https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/ |
| Rule name: | Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | CAP_HookExKeylogger |
|---|---|
| Author: | Brian C. Bell -- @biebsmalwareguy |
| Reference: | https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar |
| Rule name: | win_agent_tesla_v1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects Agent Tesla |
| Rule name: | win_agent_tesla_w1 |
|---|---|
| Author: | govcert_ch |
| Description: | Detect Agent Tesla based on common .NET code sequences |
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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