MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71a8910cd1d13044c10968dce172dcefb67ae15a7d67ffe71fe56d7b35248e94. 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: 17


Intelligence 17 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 71a8910cd1d13044c10968dce172dcefb67ae15a7d67ffe71fe56d7b35248e94
SHA3-384 hash: fb048c61122c7c5b2fcc2eaa505508af2da2e426c3974648106e68f634f3f21a048d3ccc1458c2dd7e98ca1a0062a097
SHA1 hash: d4e1ff15cc14720bd673e6987af07295dc821144
MD5 hash: 1552755f200010594df3cf43cd531568
humanhash: december-tennis-lake-uniform
File name:1701608106ff38e8ad0c61c38881cea12d0a028e14ca9e907c06d97993b801f5e3afa599fa316.dat-decoded
Download: download sample
Signature AgentTesla
Create hunting rule
File size:240'640 bytes
First seen:2023-12-03 12:55:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 3072:nLiAFgyuymibdK1JIe+f+bjIAc8FPdSKeUy5576T/UW:nLi8gyuymiUPIe+GbjI961SKeUyaTs
Threatray 3'014 similar samples on MalwareBazaar
TLSH T1BF340F037E48EB11D1A93E3782EF6C2413B2B4C71633D60B6F48AFA618516569C7E72D
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:AgentTesla base64-decoded exe


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence

File Origin
# of uploads :
1
# of downloads :
319
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/462084/
Detection(s):
Win.Packed.Msilperseus-9956591-0
Create hunting rule

Win.Packed.Generic-10003641-0
Create hunting rule

Win.Packed.Generic-10011753-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Creating a window
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm control evasive fingerprint greyware hacktool hook keylogger lolbin packed remote replace stealer
Link:
https://www.filescan.io/uploads/656c7af76d3af19226796606/reports/e77b296d-56fc-40e4-9aa0-16f3c87e3008/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/71a8910cd1d13044c10968dce172dcefb67ae15a7d67ffe71fe56d7b35248e94
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/af8ad42c-52cf-4787-8768-ca857017c0d0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1352537
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/71a8910cd1d13044c10968dce172dcefb67ae15a7d67ffe71fe56d7b35248e94
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/71a8910cd1d13044c10968dce172dcefb67ae15a7d67ffe71fe56d7b35248e94/
Threat name:
ByteCode-MSIL.Trojan.Whispergate
Create hunting rule
Status:
Malicious
First seen:
2023-12-03 13:03:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ogujcdgr2eyejqijndooc4w4563hvyk2pvt77zy74vwxwnjer2ka._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
43df291bda29450a30558e14651d662d8211e3d7b560803e338a0f98b5228422
AgentTesla
71a8910cd1d13044c10968dce172dcefb67ae15a7d67ffe71fe56d7b35248e94
AgentTesla
75dcc83b766f49d23ff91475e1fe6482f034d06595b790e384ca98ed421de95d
AgentTesla
9e2598ee2aeeed340758b04a4d53f7a0934af3e65d8a2ee673bcda62aee5166c
AgentTesla
e15644a809333b1e0cce7bab9f423af06b2362c501d3d8aac394ff2b367a0ad4
AgentTesla
+ 3'004 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231203-p6jadscb6y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
71a8910cd1d13044c10968dce172dcefb67ae15a7d67ffe71fe56d7b35248e94
MD5 hash:
1552755f200010594df3cf43cd531568
SHA1 hash:
d4e1ff15cc14720bd673e6987af07295dc821144
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/c5b0211a-8b76-4c4e-a6c7-c532e4729e7c/
Parent samples :
71a8910cd1d13044c10968dce172dcefb67ae15a7d67ffe71fe56d7b35248e94
5c7c411ea48976a55a30558e1ce6147a7f28b6b99d84083e1f01de1db86bb588
4dbdafb1f38d8d8f55f611e7e6985b3975658a8b0b652d80c432eff73812e21d
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/71a8910cd1d1/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/71a8910cd1d13044c10968dce172dcefb67ae15a7d67ffe71fe56d7b35248e94

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

ff38e8ad0c61c38881cea12d0a028e14ca9e907c06d97993b801f5e3afa599fa

AgentTesla

Executable exe 71a8910cd1d13044c10968dce172dcefb67ae15a7d67ffe71fe56d7b35248e94

(this sample)

  
Dropped by
SHA256 ff38e8ad0c61c38881cea12d0a028e14ca9e907c06d97993b801f5e3afa599fa
  
Dropped by
MD5 a24facd05a818d7734350aa8272e5131
  
URLhaus
https://urlhaus.abuse.ch/url/2736867/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/462084/

Comments