MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81ea5e0ffd1905e775255d57d6a3661516506c1433132292958da3b0916bbf4b. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81ea5e0ffd1905e775255d57d6a3661516506c1433132292958da3b0916bbf4b
SHA3-384 hash: 8f9eed9aa2da11477febe4249daba2258ab6770659a383731e39df3ca3b2e416f03478c84a517851fb2f1d946d759666
SHA1 hash: f150ebc7f1d366d3527cb5fed663d8394a75d005
MD5 hash: 557e176f55ebef2a07745065bb8429db
humanhash: eighteen-helium-pennsylvania-angel
File name:SecuriteInfo.com.Heur.29412.30078
Download: download sample
Signature AgentTesla
Create hunting rule
File size:662'528 bytes
First seen:2024-03-08 05:16:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:O8FtImAFfzNqlHp/ng9dK9g8/En3eHtCBk9reulMGHxR7:t61FfCHp/ng4gl3eHZrZlMoB
TLSH T16DE422676BDC1C07CCA7E5F968BA194A4BF1C8379351E3E61CC238CCB751B018912B9A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
346
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
81ea5e0ffd1905e775255d57d6a3661516506c1433132292958da3b0916bbf4b.exe
Verdict:
Malicious activity
Analysis date:
2024-03-08 05:19:29 UTC
Tags:
evasion stealer
Link:
https://app.any.run/tasks/acacd9b4-cdeb-4721-9213-0b154d37b7e2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Heur.29412.30078.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65ea9f551d6034c3c029aeaa/reports/361db6df-c84d-4b71-b445-9f1413483f3a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/81ea5e0ffd1905e775255d57d6a3661516506c1433132292958da3b0916bbf4b
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/9e03cb6f-b286-4315-a767-f9f4fb3a1183
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1405240
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, 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 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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1405240 Sample: SecuriteInfo.com.Heur.29412... Startdate: 08/03/2024 Architecture: WINDOWS Score: 100 35 mail.wecaresvc.com 2->35 37 wecaresvc.com 2->37 39 ip-api.com 2->39 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 11 other signatures 2->51 8 SecuriteInfo.com.Heur.29412.30078.exe 15 6 2->8         started        13 qvnJpDtCtsR.exe 14 4 2->13         started        signatures3 process4 dnsIp5 41 ip-api.com 208.95.112.1, 49710, 49712, 80 TUT-ASUS United States 8->41 43 wecaresvc.com 103.138.106.17, 49711, 49713, 587 ABOVE-AS-APAboveNetCommunicationsTaiwanTW Taiwan; Republic of China (ROC) 8->43 31 C:\Users\user\AppData\...\qvnJpDtCtsR.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\Local\...\tmp4A8B.tmp, XML 8->33 dropped 53 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->55 57 Tries to steal Mail credentials (via file / registry access) 8->57 67 4 other signatures 8->67 15 powershell.exe 22 8->15         started        17 powershell.exe 23 8->17         started        19 schtasks.exe 1 8->19         started        59 Antivirus detection for dropped file 13->59 61 Multi AV Scanner detection for dropped file 13->61 63 Machine Learning detection for dropped file 13->63 65 Tries to harvest and steal browser information (history, passwords, etc) 13->65 21 schtasks.exe 13->21         started        file6 signatures7 process8 process9 23 conhost.exe 15->23         started        25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        29 conhost.exe 21->29         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/81ea5e0ffd1905e775255d57d6a3661516506c1433132292958da3b0916bbf4b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81ea5e0ffd1905e775255d57d6a3661516506c1433132292958da3b0916bbf4b/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-03-08 03:46:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
25 of 38 (65.79%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhvf4d75dec6o5jflvl5ni3gculfa3augmjsfeuvrwr3bellx5fq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240308-fyp9asgh8t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Unpacked files
SH256 hash:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/e3751426-61d9-45fd-95a6-77725bbb3571/
SH256 hash:
b71208861384226004766dd5592edbb76a9604f93e5dc8d75a2424e767bea1ac
MD5 hash:
22e99efa3d44c1ec354e377b8e27faee
SHA1 hash:
9287e5db8d85112a1986f8e9928bcddfffd01b0c
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_SUSPICIOUS_EXE_SandboxHookingDLL
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/e3751426-61d9-45fd-95a6-77725bbb3571/
Parent samples :
bebb26a32c9db65ecd6e60f671873d09d5bc0e2321d3bac4651ec8c40c704058
2b9f20a668208149cc54154a7da1238620e1242310f4000a1198b14c0466b2b8
81ea5e0ffd1905e775255d57d6a3661516506c1433132292958da3b0916bbf4b
68864134a67842ac2f863dfd92ec6ad6567571a436663b0bceda9e2ef0222de2
569f0d5aa49829d1b73b49dd9dab911ba5bb9e5697b62e1ef9fc0c1825ffbba6
fb7cddcabe7defcc11937a7c8d0672a6f65c3135574e1c71a0e772e9d1f19311
e97625746360793777ab1d7dc32d4259332c7f3c81a441eb7850234aabfdf23d
SH256 hash:
9625d49492360d38480c325eda052e98bc5e074df65332e50d99f222e09080f0
MD5 hash:
aed1820dc359d37776e1f1dc1421e9fa
SHA1 hash:
5438c5097d6891f8a5a3de90e2024d1cbf6d3c9f
Link:
https://www.unpac.me/results/e3751426-61d9-45fd-95a6-77725bbb3571/
SH256 hash:
a3db51d5f6599d1163dd01a888bf8ce932e6fe48afb78e37c71aa0fb2c8b613d
MD5 hash:
7f5bd5c242c80f5bcb4846dbc41aedcb
SHA1 hash:
36f069a5c57f8eb6a701dd6256544e51081bd775
Link:
https://www.unpac.me/results/e3751426-61d9-45fd-95a6-77725bbb3571/
SH256 hash:
81ea5e0ffd1905e775255d57d6a3661516506c1433132292958da3b0916bbf4b
MD5 hash:
557e176f55ebef2a07745065bb8429db
SHA1 hash:
f150ebc7f1d366d3527cb5fed663d8394a75d005
Link:
https://www.unpac.me/results/e3751426-61d9-45fd-95a6-77725bbb3571/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/81ea5e0ffd19/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/81ea5e0ffd1905e775255d57d6a3661516506c1433132292958da3b0916bbf4b

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:NET
Create hunting rule
Author:malware-lu
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.

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

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