MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efb54efbfd3094bad75126848e7a49ed65461631b83e096e06f0b0c162f6c336. 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


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efb54efbfd3094bad75126848e7a49ed65461631b83e096e06f0b0c162f6c336
SHA3-384 hash: 175074d6f3e6c02ec13aec71cd98dccae0484b031a6674badb6a9b1b48634c1f5001de5f480fdcd0d5075bcdd2e50c35
SHA1 hash: 0d9909857bbeff74ae34f7b2d33294a9d9a2f940
MD5 hash: f511b61dcde91adf0ef79345d8372940
humanhash: aspen-lactose-uncle-undress
File name:BL AZOV.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:729'600 bytes
First seen:2022-04-06 11:47:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:jqrRtCNCeABjk+qlPL0soSj8w1IALWr6gqZwLhOyS2kZuRTN:KRmbjz1Ilr6gqZ09S2IuH
Threatray 15'668 similar samples on MalwareBazaar
TLSH T191F40661E3F45B0BC57F89B5243441483AE1A90E2623EBC9EF65319DCBB1A4127F8F46
File icon (PE):PE icon
dhash icon 00e8d4dcd4d4ec00 (5 x AgentTesla, 2 x PureCrypter, 1 x SnakeKeylogger)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/261221/
Detection(s):
SecuriteInfo.com.Variant.Ursu.389066.482.22143.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/624d7df5db9ca5cf842cb918/reports/d669781b-ece4-4241-a8f7-3e8f3576de38/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/93644b67-0eb6-4fb8-97f9-257eb30a8d3c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/971428
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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: Suspicious Add Scheduled Task From User AppData Temp
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 steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efb54efbfd3094bad75126848e7a49ed65461631b83e096e06f0b0c162f6c336/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-05 16:53:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=562u5675gcklvv2re2ci46sj5vsumfrrxa7as3qg6cymcyxwym3a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0d34612769ca0bec0bda68a9b182b7477107288b8272f855e6e75bd0b330dcdd
AgentTesla
24f55e34af7010e53d6a0995e548eda8eb3adfc74de7ad01234d54ca2faffe97
AgentTesla
36d41fa222ccc75d632601168bd851e74eb3713eb221ea6a1ef5db2b3f586081
AgentTesla
3c145d64a3b2a1b1c02701a8147b39e11d3611d7e30415d7a117bf017df71f97
AgentTesla
4e6704724e2218ac123163b44edcc4f34555cddaf9d5fd4afef51617918bdb9a
AgentTesla
6fe3e4a455584fd416ce8c785e95c072e52b08b9c8749564188f784fa7ff7f10
AgentTesla
961b3c31dce2146e97c694b3d02e9818b7e637c569c2b9c034c5f4e713bb7a5b
AgentTesla
be5e5080c40744d09091dabe3f58f88256ebce999d059bc081f73a0021f1f95a
AgentTesla
+ 15'658 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220406-nye3bsfddn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1897716112:AAEAtOCkOV8umHBB93Og24bkiIdUKReGK44/sendDocument
Unpacked files
SH256 hash:
a5ef85ef3aa9166b93b97c68ed8b0b3de9cae268197486aa5e9c6f53cea4604f
MD5 hash:
02570884a84680a361d34d12019e032f
SHA1 hash:
f91c78127ff5979a1a6bfffb1758ca00f120a8e5
Link:
https://www.unpac.me/results/beebba07-1cfa-4d6e-8bb3-ce1643dd6687/
SH256 hash:
143c6e36e52b10b3fc6e1371ac53d6564eb8f3cdbe4829713557f243a295847b
MD5 hash:
10252d736bdbf4b345f3b0be647f027e
SHA1 hash:
cd9af296f77c5172529351fede058c544268b862
Link:
https://www.unpac.me/results/beebba07-1cfa-4d6e-8bb3-ce1643dd6687/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/beebba07-1cfa-4d6e-8bb3-ce1643dd6687/
SH256 hash:
efb54efbfd3094bad75126848e7a49ed65461631b83e096e06f0b0c162f6c336
MD5 hash:
f511b61dcde91adf0ef79345d8372940
SHA1 hash:
0d9909857bbeff74ae34f7b2d33294a9d9a2f940
Link:
https://www.unpac.me/results/beebba07-1cfa-4d6e-8bb3-ce1643dd6687/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/efb54efbfd30/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/efb54efbfd3094bad75126848e7a49ed65461631b83e096e06f0b0c162f6c336

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

rar ebdc733eb18c94758c2116b89b9c02380543b922a18d3287a72e9348f1ae89a4

AgentTesla

Executable exe efb54efbfd3094bad75126848e7a49ed65461631b83e096e06f0b0c162f6c336

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 ebdc733eb18c94758c2116b89b9c02380543b922a18d3287a72e9348f1ae89a4
Cape
Cape
https://www.capesandbox.com/analysis/261221/

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