MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86548927a6a677ef5b188069d885fd755d56dcd21ba7b01c96915ec888c86846. 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 19 File information Comments
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SHA256 hash: 86548927a6a677ef5b188069d885fd755d56dcd21ba7b01c96915ec888c86846
SHA3-384 hash: cae2e0728decad18ee2c170c72d95fb8b58bea8d25b725b6ce8edf5a663503addfb3614c9192a7aec1ea2f974ade55ed
SHA1 hash: 0009643dea2b241e31200fa7d0e87f2195974fdc
MD5 hash: 49a614236d15faef7cf8bf28ab590829
humanhash: two-magazine-beryllium-zulu
File name:Q6lmVNObs01Lezk.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:682'504 bytes
First seen:2024-03-20 09:12:25 UTC
Last seen:2024-03-20 11:22:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:FMy2+qkC8slD1k92DVgbLEc5zZVxmmq8F46MYsXQ5l2bkR:Fj/Hsl5k92sPFZVEDYzK+
Threatray 916 similar samples on MalwareBazaar
TLSH T15EE4234223A42752F3F267F1D4B8CCC117B1B55AA191C37E9EB571DFAA43B410A62B23
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
396
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
86548927a6a677ef5b188069d885fd755d56dcd21ba7b01c96915ec888c86846.exe
Verdict:
Malicious activity
Analysis date:
2024-03-20 09:15:08 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/2c645cb7-1702-4ed0-933c-bbf6d9770ad5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/65faa8a4757c624818b3b905/reports/a8377c63-71c8-49d8-a714-91fedbe07e7f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/86548927a6a677ef5b188069d885fd755d56dcd21ba7b01c96915ec888c86846
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7653527d-1508-40b2-a80e-5b39ba0fe8b2
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1412246
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1412246 Sample: Q6lmVNObs01Lezk.exe Startdate: 20/03/2024 Architecture: WINDOWS Score: 100 42 mail.zqamcx.com 2->42 44 zqamcx.com 2->44 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 10 other signatures 2->54 8 Q6lmVNObs01Lezk.exe 7 2->8         started        12 JfscrKa.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\JfscrKa.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpF6DC.tmp, XML 8->40 dropped 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->56 58 Contains functionality to register a low level keyboard hook 8->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 62 Adds a directory exclusion to Windows Defender 8->62 14 Q6lmVNObs01Lezk.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 68 Injects a PE file into a foreign processes 12->68 24 JfscrKa.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 46 zqamcx.com 78.110.166.82, 49710, 49713, 49714 UKSERVERS-ASUKDedicatedServersHostingandCo-Location United Kingdom 14->46 70 Installs a global keyboard hook 14->70 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->72 74 Tries to steal Mail credentials (via file / registry access) 24->74 76 Tries to harvest and steal browser information (history, passwords, etc) 24->76 36 conhost.exe 26->36         started        signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/86548927a6a677ef5b188069d885fd755d56dcd21ba7b01c96915ec888c86846
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/86548927a6a677ef5b188069d885fd755d56dcd21ba7b01c96915ec888c86846/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
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Status:
Malicious
First seen:
2024-03-20 07:20:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qzkisj5guz366wyyqbu5rbp5ovovnxgsdot3ahewsfpmrcginbda._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Similar samples:
2747e5b776f659d7c7d53558362bd60d38aaddb74b33f8a92428caebef64c058
AgentTesla
6fe1240f60f2c861c5cebbf1bceb98553850be3ac19624ea676a13480b2dd8ba
AgentTesla
9186054821ebdb3ab0b330686697afe855a33742a51456ac55a8b172d246eef2
AgentTesla
bae5ed6add08d579870023e6fc2cd35289f616cbbe258c69360f0e0e022221a4
AgentTesla
+ 906 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/240320-k6qx1seb2x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Reads WinSCP keys stored on the system
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:
7b04cb75ed7bd0f0f1404040acf765a37498d8c4df7b31bdb847bac1d456d57a
MD5 hash:
3f3837b51579f39e03d02681b6cd2089
SHA1 hash:
bbb1364cfab7505376b0f283d78b19c90c0b435c
Link:
https://www.unpac.me/results/ce2dd2b4-025d-484d-ab26-bc6f2d0712e4/
SH256 hash:
8a42144bfaed7278d478bb226c64cfad8abd909f2f4ce18ed17018eebbd590dd
MD5 hash:
10f2dcb1aa3ec0d37027968d347b257a
SHA1 hash:
b2d1181f17169f535a8bfa614c21aab23260155b
Link:
https://www.unpac.me/results/ce2dd2b4-025d-484d-ab26-bc6f2d0712e4/
SH256 hash:
b881c4bf6c05d939eb80592ab765faf55917199906bfb6ea71134a49da83b415
MD5 hash:
70bb35272438652f08256ba10b64386d
SHA1 hash:
8a4cc15f32618fb7660b7c056910f956bd86b99a
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/ce2dd2b4-025d-484d-ab26-bc6f2d0712e4/
Parent samples :
86548927a6a677ef5b188069d885fd755d56dcd21ba7b01c96915ec888c86846
97cf5a395e57db0d83a09daed5c2010c5fedce8a6acae4de2d963ecd9550708c
fc9a9c10b989fb790466a432945be2a122151bd634013222bfd87469a9f4d584
SH256 hash:
d73cb04fdcaa1f355598586d57b601569f6ebaa4c6cba9960a204133772f1ddd
MD5 hash:
cbb3491d789eacb990655e3e6f4e16aa
SHA1 hash:
005cb4953137f19e8824aecaa0760e7e1651a511
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
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/ce2dd2b4-025d-484d-ab26-bc6f2d0712e4/
Parent samples :
7ac9e1216e8aa24abcaa2df9b8e4909b6a3eafe3ce7fbf71190f51a2aea77394
7fe2f1e2921c288ad28013dc88093fb145ea91b9e167321c78d53d8fdef0f6ab
39c43eb3ddd3a51f8e8af5ef5563ac69850ef82850cfbaa7096d9b8167592f65
efe39c5110b88d729074100bc89af380138174b641501f76eea1a8650ac88c8c
aa0bb57cc545a3e7e234ef691f84ea8f2fc90f4e024a3addcc23d2f20a0e63e0
0988db797934e5bdbb8c8a0a88cb56eccaf1a589fb9011ac3a3cfdf6bcaadbd2
86548927a6a677ef5b188069d885fd755d56dcd21ba7b01c96915ec888c86846
SH256 hash:
86548927a6a677ef5b188069d885fd755d56dcd21ba7b01c96915ec888c86846
MD5 hash:
49a614236d15faef7cf8bf28ab590829
SHA1 hash:
0009643dea2b241e31200fa7d0e87f2195974fdc
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/ce2dd2b4-025d-484d-ab26-bc6f2d0712e4/
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/86548927a6a677ef5b188069d885fd755d56dcd21ba7b01c96915ec888c86846

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Malspam

AgentTesla

Executable exe 86548927a6a677ef5b188069d885fd755d56dcd21ba7b01c96915ec888c86846

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments