MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa30351848b61883d95a52e505978c07d761d743e172cee3ed96c0ef801ee47e. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa30351848b61883d95a52e505978c07d761d743e172cee3ed96c0ef801ee47e
SHA3-384 hash: 66823923a706833ab50ef4fd406b3c4208ddc36984e1d9b4463796cabb9fd57487509bb503bed3872f9c5ff556302400
SHA1 hash: c8a8b2182f891f12657441c496a607ceaaab04cb
MD5 hash: 86eb33340da5adfa46c9ebab4e288f23
humanhash: spring-crazy-nineteen-friend
File name:aa30351848b61883d95a52e505978c07d761d743e172cee3ed96c0ef801ee47e
Download: download sample
Signature AgentTesla
Create hunting rule
File size:636'928 bytes
First seen:2024-04-08 11:43:59 UTC
Last seen:2024-04-08 12:31:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:Ga5W3ob2VFy7sPI2jiYhYtq0PQq+ehYumYRcgDJHjP2TeGsKfSqL3Z/wMTe+sU0:C39Fy7sPI2jN4q/JuDRcCpKfXRwseL
TLSH T195D423DD571123A6C4ED0B7AA8770381A3BA330BC67AD34F2BF454B46C536698F162E4
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)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
295
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
aa30351848b61883d95a52e505978c07d761d743e172cee3ed96c0ef801ee47e.exe
Verdict:
Malicious activity
Analysis date:
2024-04-08 11:46:49 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/4bcbf1bf-7ac0-4450-a805-4bfe8c22925b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
keylogger packed
Link:
https://www.filescan.io/uploads/6613d88af4fe020219b3979a/reports/df286f7b-b8f8-4050-a888-b349581e0f38/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/aa30351848b61883d95a52e505978c07d761d743e172cee3ed96c0ef801ee47e
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/566f96b7-4ee7-4dea-a06c-c432df329c85
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1422235
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
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 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: MSBuild connects to smtp port
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Silenttrinity Stager Msbuild Activity
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1422235 Sample: 4N8BNeFRkZ.exe Startdate: 08/04/2024 Architecture: WINDOWS Score: 100 38 mail.gosportz.in 2->38 40 fp2e7a.wpc.phicdn.net 2->40 42 2 other IPs or domains 2->42 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 11 other signatures 2->54 8 4N8BNeFRkZ.exe 7 2->8         started        12 KGbIDDRtKVufbq.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\KGbIDDRtKVufbq.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmpDC43.tmp, XML 8->36 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Writes to foreign memory regions 8->58 60 Allocates memory in foreign processes 8->60 68 2 other signatures 8->68 14 MSBuild.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        62 Antivirus detection for dropped file 12->62 64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 22 MSBuild.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 44 mail.gosportz.in 51.79.229.7, 49734, 49738, 49746 OVHFR Canada 14->44 46 api.ipify.org 104.26.13.205, 443, 49733, 49737 CLOUDFLARENETUS United States 14->46 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->70 26 WmiPrvSE.exe 18->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->72 74 Tries to steal Mail credentials (via file / registry access) 22->74 76 Tries to harvest and steal browser information (history, passwords, etc) 22->76 78 Installs a global keyboard hook 22->78 32 conhost.exe 24->32         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/aa30351848b61883d95a52e505978c07d761d743e172cee3ed96c0ef801ee47e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aa30351848b61883d95a52e505978c07d761d743e172cee3ed96c0ef801ee47e/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-03-26 15:59:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
28 of 38 (73.68%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=viydkgciwymihwk2klsqlf4ma7lwdv2d4fzm5y7ns3ao7aa64r7a._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 keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240408-nv5tksgc78/
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
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
d7305676411e4e1bfe8252f034becb92e3b4601faee4c36ee05536123d064096
MD5 hash:
9b2bc117d71182c2ccf200e1c514c48f
SHA1 hash:
f8086466ee0831c3fa0484c369f9f31947cfc929
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/01213627-f9c3-4b36-88fb-e76a446a7baf/
Parent samples :
ffd4e8b034ae025652b864be756effb0bbcde4042a7d9dff66c50631f3de6e9d
aa30351848b61883d95a52e505978c07d761d743e172cee3ed96c0ef801ee47e
SH256 hash:
934493ffcf84233432ef4b4bacc7e1e282acd7366505bc3050f619e6e3767f4c
MD5 hash:
6458eafa0681114ad4f98d4014223d76
SHA1 hash:
a8f40dd46897496cb5c286889748760f62fd79dd
Link:
https://www.unpac.me/results/01213627-f9c3-4b36-88fb-e76a446a7baf/
SH256 hash:
14641f03051d346aa3a24be14851261baa2ee6b1cff524ddca433fcc71d9542d
MD5 hash:
6661bfd44985279631496543484323b1
SHA1 hash:
5b3452b4c01b676f5ab2d4586819bd687456a34e
Link:
https://www.unpac.me/results/01213627-f9c3-4b36-88fb-e76a446a7baf/
SH256 hash:
2b9eca550e12aaa5e5da6a3a211d46a8e7ce2cf23220188add6dbb0a7bb69b3d
MD5 hash:
e28f9d60a55e7476b53638497c9f1f06
SHA1 hash:
3f7a6914283ac14b9a87014f5c85b882cc049799
Link:
https://www.unpac.me/results/01213627-f9c3-4b36-88fb-e76a446a7baf/
SH256 hash:
aa30351848b61883d95a52e505978c07d761d743e172cee3ed96c0ef801ee47e
MD5 hash:
86eb33340da5adfa46c9ebab4e288f23
SHA1 hash:
c8a8b2182f891f12657441c496a607ceaaab04cb
Link:
https://www.unpac.me/results/01213627-f9c3-4b36-88fb-e76a446a7baf/
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/aa30351848b61883d95a52e505978c07d761d743e172cee3ed96c0ef801ee47e

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

Comments