MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a7a8b9c2e197e3fe09f6749a733d7c2a46000ab70b6d7fc8feea9bf22e69457. 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: 2a7a8b9c2e197e3fe09f6749a733d7c2a46000ab70b6d7fc8feea9bf22e69457
SHA3-384 hash: 90bf98cdd0e6664ab64353ecfbecaa9ee44d647c3742d31663279f3ba511dcd7eab5c4a9aa614be477fb36ee8b27b15f
SHA1 hash: 3f4ee4c409463e6d0c6adb498c11a0d65afdaad4
MD5 hash: 5f7fe9c19aae16719cdd112e20e39134
humanhash: delaware-spaghetti-mango-kentucky
File name:rRFQ(17092018A).exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:759'296 bytes
First seen:2023-10-24 10:34:53 UTC
Last seen:2023-10-24 11:52:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:/HsxTA6qt/Ikli5mfQAQGjZzvRgLBpWamlngym1aDbYQpZErruti2+0Oed5UKi:Exs64wVsfQlGjZz+LuNlnNm1akQpariq
Threatray 430 similar samples on MalwareBazaar
TLSH T1B1F4019862BDBF1BE239B7F51985948607F1A0BA61B5D70D4EE270CB09A1F104F41F2B
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
330
Origin country :
BR BR
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/455953/
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
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed powershell
Link:
https://www.filescan.io/uploads/65379dd85f371a3fc8604d3a/reports/786cd10c-5f3a-4f83-9f09-7cceaaa6ec22/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/2a7a8b9c2e197e3fe09f6749a733d7c2a46000ab70b6d7fc8feea9bf22e69457
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a33ea944-9a31-4604-8d6d-994a5a11d68a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1331199
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: 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: 1331199 Sample: rRFQ(17092018A).exe Startdate: 24/10/2023 Architecture: WINDOWS Score: 100 59 mail.wecaresvc.com 2->59 61 wecaresvc.com 2->61 63 2 other IPs or domains 2->63 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Sigma detected: Scheduled temp file as task from temp location 2->73 75 10 other signatures 2->75 8 rRFQ(17092018A).exe 7 2->8         started        12 nTNOOHRSdZyo.exe 2->12         started        14 uwrxfuI.exe 2->14         started        16 uwrxfuI.exe 2->16         started        signatures3 process4 file5 55 C:\Users\user\AppData\...\nTNOOHRSdZyo.exe, PE32 8->55 dropped 57 C:\Users\user\AppData\Local\...\tmp7D7E.tmp, XML 8->57 dropped 85 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->85 87 Uses schtasks.exe or at.exe to add and modify task schedules 8->87 89 Adds a directory exclusion to Windows Defender 8->89 18 rRFQ(17092018A).exe 16 5 8->18         started        23 powershell.exe 21 8->23         started        35 2 other processes 8->35 91 Multi AV Scanner detection for dropped file 12->91 93 Machine Learning detection for dropped file 12->93 95 Injects a PE file into a foreign processes 12->95 25 nTNOOHRSdZyo.exe 12->25         started        27 schtasks.exe 12->27         started        29 uwrxfuI.exe 14->29         started        37 4 other processes 14->37 31 uwrxfuI.exe 16->31         started        33 schtasks.exe 16->33         started        signatures6 process7 dnsIp8 65 api4.ipify.org 173.231.16.77, 443, 49740, 49743 WEBNXUS United States 18->65 67 wecaresvc.com 103.138.106.17, 49742, 49744, 49745 ABOVE-AS-APAboveNetCommunicationsTaiwanTW Taiwan; Republic of China (ROC) 18->67 51 C:\Users\user\AppData\Roaming\...\uwrxfuI.exe, PE32 18->51 dropped 53 C:\Users\user\...\uwrxfuI.exe:Zone.Identifier, ASCII 18->53 dropped 77 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->77 79 Tries to steal Mail credentials (via file / registry access) 18->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->81 39 conhost.exe 23->39         started        41 conhost.exe 27->41         started        83 Tries to harvest and steal browser information (history, passwords, etc) 31->83 43 conhost.exe 33->43         started        45 conhost.exe 35->45         started        47 conhost.exe 35->47         started        49 conhost.exe 37->49         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2a7a8b9c2e197e3fe09f6749a733d7c2a46000ab70b6d7fc8feea9bf22e69457
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2a7a8b9c2e197e3fe09f6749a733d7c2a46000ab70b6d7fc8feea9bf22e69457/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-24 00:18:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fj5ixhbodf7d7ye7m5e2om6xyksgaafloc3np7ep52u36ixgsrlq._file
Verdict:
malicious
Similar samples:
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c106131abba0a5978be6acb5034eb38742d0d169c483389575cd930339d6a099
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f83e250464f6858450036307a76e5c5a8bb97d9f8a6c54ada3df4b863b4cf507
AgentTesla
+ 420 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231024-mmpxqaea84/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
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:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/a61dcf5f-fc11-4259-be2d-dbe01038199f/
SH256 hash:
85cb15c8faf9637dfa21fdf4934793c2fce7a9e1fab54091645069c97357e860
MD5 hash:
0b89d8fc23753531ba10e3367e73751e
SHA1 hash:
c421597d6a8543f5fdb33de1075c0d56bffa7cf4
Link:
https://www.unpac.me/results/a61dcf5f-fc11-4259-be2d-dbe01038199f/
SH256 hash:
fe7c585a67a39318531532b4b394defb1435d4441e83f8022938f909abab09ff
MD5 hash:
148dc552d7faf752dcd4a27f48dcd18a
SHA1 hash:
6e124516f345ad53154cabc65a307770aecde58b
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/a61dcf5f-fc11-4259-be2d-dbe01038199f/
SH256 hash:
84a7c5155a10ba43611131f17b74f103defe8c39481478c5209ebe2348f862d8
MD5 hash:
ee0111aea9d06631b48d1bb1fe165514
SHA1 hash:
4fcc37195a75b99436228442b2a1d97b390edd7c
Link:
https://www.unpac.me/results/a61dcf5f-fc11-4259-be2d-dbe01038199f/
SH256 hash:
2a7a8b9c2e197e3fe09f6749a733d7c2a46000ab70b6d7fc8feea9bf22e69457
MD5 hash:
5f7fe9c19aae16719cdd112e20e39134
SHA1 hash:
3f4ee4c409463e6d0c6adb498c11a0d65afdaad4
Link:
https://www.unpac.me/results/a61dcf5f-fc11-4259-be2d-dbe01038199f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2a7a8b9c2e19/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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.

Malspam

AgentTesla

Executable exe 2a7a8b9c2e197e3fe09f6749a733d7c2a46000ab70b6d7fc8feea9bf22e69457

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/455953/

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