MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa0bb57cc545a3e7e234ef691f84ea8f2fc90f4e024a3addcc23d2f20a0e63e0. 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: 18


Intelligence 18 IOCs YARA 7 File information Comments
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SHA256 hash: aa0bb57cc545a3e7e234ef691f84ea8f2fc90f4e024a3addcc23d2f20a0e63e0
SHA3-384 hash: 1038cb24ef88c8d4dfdb23c830c31445fb16a0154722af75e89f5767ee303ae791fb60a20684dac294e0c728fb2274de
SHA1 hash: 63222f5bc43dbc5b8bcf5eaba253ab2db3601b0f
MD5 hash: 0e1667b99c63fe9538224c067cc27e14
humanhash: paris-pennsylvania-arizona-fix
File name:EKSTRE.exe
Download: download sample
Signature AgentTesla
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File size:760'840 bytes
First seen:2024-03-06 14:47:07 UTC
Last seen:2024-03-06 16:45:57 UTC
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:sBtg6Z/jRu90UkSmo8ZgcfNI5LX+39uE0krgTT+bZQK3EP9dgNkR:JQ/jE9wojcfNIgNZEvE8ldJ
TLSH T1F8F4F003B2FD1B1DE5B94BF1217441100BB27D6BBAA5E35C3DC574CE28B1B018A96AE7
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 0f2f0f1f271b6931 (13 x AgentTesla, 3 x StormKitty, 2 x Formbook)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
307
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
aa0bb57cc545a3e7e234ef691f84ea8f2fc90f4e024a3addcc23d2f20a0e63e0.exe
Verdict:
Malicious activity
Analysis date:
2024-03-06 15:03:20 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/b86ebdd3-38aa-49ff-9552-2ace1ac37b1c

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

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/65e88224b0564f17fae37934/reports/a7bae4ca-13d2-4332-afae-0e61840fac5f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/aa0bb57cc545a3e7e234ef691f84ea8f2fc90f4e024a3addcc23d2f20a0e63e0
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/c0eb190b-47d7-4f51-a7dd-516de3701943
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1404132
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
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
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/aa0bb57cc545a3e7e234ef691f84ea8f2fc90f4e024a3addcc23d2f20a0e63e0
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/aa0bb57cc545a3e7e234ef691f84ea8f2fc90f4e024a3addcc23d2f20a0e63e0/
Threat name:
Win32.Trojan.LummaStealer
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Status:
Malicious
First seen:
2024-03-06 07:35:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vif3k7gfiwr6pyru55ur7bhkr4x4sd2oajfdvxomepjpecqompqa._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240306-r6ey3sbh61/
Behaviour
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:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/308fbf69-af2b-45ac-8601-840a8bc452f1/
SH256 hash:
5b9930a9c36de9b145333f114ea9f6226ac6b15b8be879db01261a47db54620c
MD5 hash:
735327c4f0d38e06d370748bafa75908
SHA1 hash:
28e6d4b89d19b5b9153b73d5e89c6e8a9312cc0a
Link:
https://www.unpac.me/results/308fbf69-af2b-45ac-8601-840a8bc452f1/
SH256 hash:
996efd1a33d04923f83df8ffc31191b10b6a15ef56d8961351673c74416f7506
MD5 hash:
95046bfbc193c1faa89d6a32c870082c
SHA1 hash:
0c707a044df00706628eff48e982d29006c59aeb
Link:
https://www.unpac.me/results/308fbf69-af2b-45ac-8601-840a8bc452f1/
SH256 hash:
d73cb04fdcaa1f355598586d57b601569f6ebaa4c6cba9960a204133772f1ddd
MD5 hash:
cbb3491d789eacb990655e3e6f4e16aa
SHA1 hash:
005cb4953137f19e8824aecaa0760e7e1651a511
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
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INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Agenttesla_type2
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INDICATOR_SUSPICIOUS_Binary_References_Browsers
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INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Link:
https://www.unpac.me/results/308fbf69-af2b-45ac-8601-840a8bc452f1/
Parent samples :
7ac9e1216e8aa24abcaa2df9b8e4909b6a3eafe3ce7fbf71190f51a2aea77394
7fe2f1e2921c288ad28013dc88093fb145ea91b9e167321c78d53d8fdef0f6ab
39c43eb3ddd3a51f8e8af5ef5563ac69850ef82850cfbaa7096d9b8167592f65
efe39c5110b88d729074100bc89af380138174b641501f76eea1a8650ac88c8c
aa0bb57cc545a3e7e234ef691f84ea8f2fc90f4e024a3addcc23d2f20a0e63e0
0988db797934e5bdbb8c8a0a88cb56eccaf1a589fb9011ac3a3cfdf6bcaadbd2
86548927a6a677ef5b188069d885fd755d56dcd21ba7b01c96915ec888c86846
SH256 hash:
aa0bb57cc545a3e7e234ef691f84ea8f2fc90f4e024a3addcc23d2f20a0e63e0
MD5 hash:
0e1667b99c63fe9538224c067cc27e14
SHA1 hash:
63222f5bc43dbc5b8bcf5eaba253ab2db3601b0f
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/308fbf69-af2b-45ac-8601-840a8bc452f1/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aa0bb57cc545/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/aa0bb57cc545a3e7e234ef691f84ea8f2fc90f4e024a3addcc23d2f20a0e63e0

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:AgentTesla_DIFF_Common_Strings_01
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Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
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Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
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Author:malware-lu
Rule name:PE_Digital_Certificate
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Author:albertzsigovits
Rule name:pe_imphash
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Rule name:PE_Potentially_Signed_Digital_Certificate
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Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other

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