MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3a84f2072487ae5125f9acd46f0ae0342dfda49344d103615411520eec25bdb. 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: 15


Intelligence 15 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3a84f2072487ae5125f9acd46f0ae0342dfda49344d103615411520eec25bdb
SHA3-384 hash: b08d027ee082970405c034b3112d815138f807920dcfcafdf5b319c168101d56b205c8bc21732877abeaa8899f53785d
SHA1 hash: db24280041e1ae18d42d95c83cad50571b2cde66
MD5 hash: 0f33571d24352363aafee9b8ed424edf
humanhash: speaker-alabama-fruit-sodium
File name:SP_4666803673_190377373883737_____.xls.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'281'536 bytes
First seen:2024-02-05 10:35:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:tAHnh+eWsN3skA4RV1Hom2KXMmHaiLwhO/9YmaDn6rr/qKoSbVyc1VNfe4DG9c5:Mh+ZkldoPK8YaiLRYmaDnoqKoSbVyc1R
TLSH T1AD55AE037380C075FFAA91B3AB16E24057BD6C698127951F23D83ABA6DF05B1163E763
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon f2b0aca6a6bafe6e (2 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
288
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/474673/
Detection(s):
SecuriteInfo.com.FileRepMalware.10089.28135.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit coinminer fingerprint keylogger lolbin masquerade nymeria packed shell32
Link:
https://www.filescan.io/uploads/65c0ba151a072d565266339a/reports/ee876067-dec1-4fe5-b5d6-45ea3864eda6/overview
Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria
Link:
https://www.hybrid-analysis.com/sample/b3a84f2072487ae5125f9acd46f0ae0342dfda49344d103615411520eec25bdb
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/f702d305-b0b7-497a-b802-2162e3836dae
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1386704
Signature
Binary is likely a compiled AutoIt script file
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Suspicious Double Extension File Execution
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b3a84f2072487ae5125f9acd46f0ae0342dfda49344d103615411520eec25bdb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3a84f2072487ae5125f9acd46f0ae0342dfda49344d103615411520eec25bdb/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-01-29 12:28:20 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=woue6idsjb5okes7tlgun4foanbn7wsjgrgranqvieksb3wclpnq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240205-mm81lafhap/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
AgentTesla
Unpacked files
SH256 hash:
e45d91008eb19ecc3c9e6aab13339bc327c2c61b97215b0d2cc98c23b0db057a
MD5 hash:
c784ddd10090d67afaf514d38eecbfe7
SHA1 hash:
d8c2db7622239a27c728913df77e508662d34ce8
Detections:
AgentTeslaXorStringsNet
Create hunting rule
MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
Link:
https://www.unpac.me/results/554de67a-58d3-4ae4-a8d8-e7bd4e9a8625/
Parent samples :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 hash:
b3a84f2072487ae5125f9acd46f0ae0342dfda49344d103615411520eec25bdb
MD5 hash:
0f33571d24352363aafee9b8ed424edf
SHA1 hash:
db24280041e1ae18d42d95c83cad50571b2cde66
Detections:
AutoIT_Compiled
Create hunting rule
SUSP_Imphash_Mar23_3
Create hunting rule
Link:
https://www.unpac.me/results/554de67a-58d3-4ae4-a8d8-e7bd4e9a8625/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b3a84f207248/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/b3a84f2072487ae5125f9acd46f0ae0342dfda49344d103615411520eec25bdb

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:AgentTeslaV4
Create hunting rule
Author:kevoreilly
Description:AgentTesla Payload
Rule name:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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
Rule name:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Windows_Trojan_AgentTesla_a2d69e48
Create hunting rule
Author:Elastic Security

File information

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

Malspam

AgentTesla

Executable exe b3a84f2072487ae5125f9acd46f0ae0342dfda49344d103615411520eec25bdb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/474673/

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