MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90b9761dcd25c9d5b71632aceb036e4f7c66230a1e27fcb98d9a306d2caff7ed. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 90b9761dcd25c9d5b71632aceb036e4f7c66230a1e27fcb98d9a306d2caff7ed
SHA3-384 hash: 4acd156f92c905279555ca4bcf1f3c6000032712a2de2b2516b649ad64eb1d524d04654cef36b77e7f8cb6848c194375
SHA1 hash: 9d3926cb4cca802a3a46ce853470ab447c8187a4
MD5 hash: 2fab437c660d95b3e7e7f4ae8e4d09f6
humanhash: queen-winner-freddie-stairway
File name:Payment Advice - Advice Ref[A1T9IvYc5tfi].exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:719'872 bytes
First seen:2023-08-15 16:15:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:nFOstV/Oo26M/9Ar/UvBFadVqdiIxEaR9txNdYFT94fBReOAvTa:8s6xWrmBTEadCFx4fPjAve
Threatray 1'096 similar samples on MalwareBazaar
TLSH T11FE4BDF660A9C7A6C7B593FF546344740BA33C092671D28D7ABE31E52E95B831A10E33
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 lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
303
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Payment Advice - Advice Ref[A1T9IvYc5tfi].exe
Verdict:
Malicious activity
Analysis date:
2023-08-15 16:16:20 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/432016e6-e04a-41bc-aa80-939fe01b75e3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/442914/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
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
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
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/90b9761dcd25c9d5b71632aceb036e4f7c66230a1e27fcb98d9a306d2caff7ed
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/9faf0df7-d6c0-44fc-bad2-d4d52e6bc720
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1291620
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
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
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)
Sample uses string decryption to hide its real strings
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1291620 Sample: Payment_Advice_-_Advice_Ref... Startdate: 15/08/2023 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 6 other signatures 2->45 7 wkuoqIIJfZIpY.exe 5 2->7         started        10 Payment_Advice_-_Advice_Ref[A1T9IvYc5tfi].exe 7 2->10         started        process3 file4 47 Multi AV Scanner detection for dropped file 7->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->49 51 Machine Learning detection for dropped file 7->51 53 Injects a PE file into a foreign processes 7->53 13 wkuoqIIJfZIpY.exe 2 7->13         started        17 schtasks.exe 1 7->17         started        31 C:\Users\user\AppData\...\wkuoqIIJfZIpY.exe, PE32 10->31 dropped 33 C:\Users\user\AppData\Local\...\tmpCD56.tmp, XML 10->33 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 10->55 57 Adds a directory exclusion to Windows Defender 10->57 19 Payment_Advice_-_Advice_Ref[A1T9IvYc5tfi].exe 2 10->19         started        21 powershell.exe 19 10->21         started        23 schtasks.exe 1 10->23         started        signatures5 process6 dnsIp7 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->59 61 Tries to steal Mail credentials (via file / registry access) 13->61 63 Tries to harvest and steal browser information (history, passwords, etc) 13->63 25 conhost.exe 17->25         started        35 us2.smtp.mailhostbox.com 208.91.198.143, 49707, 49720, 587 PUBLIC-DOMAIN-REGISTRYUS United States 19->35 37 192.168.2.1 unknown unknown 19->37 27 conhost.exe 21->27         started        29 conhost.exe 23->29         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/90b9761dcd25c9d5b71632aceb036e4f7c66230a1e27fcb98d9a306d2caff7ed/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-08-15 15:33:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sc4xmhonexe5lnywgkwowa3oj56gmiykdyt7zomntiyg2lfp67wq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
25de0c1d22cd9175d2770082b96d7c12a39af93732293d4b164b2e3865a3a9e4
AgentTesla
2eaf94da95c7c5bfeee85e0c9b2eeb4203bc708e8538061624082b61866bc3b5
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358659e950dae1b469fca25fb75167cae886174d21a9226fd8081fbd71d5abbc
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40c36e5d6cec1bac32779ed8e2e2dceceae01a70115a23d3b3d32e9c56db86b3
AgentTesla
91f0f5e6c276a0545b4008f3401571966295ae33e492678f9115dfaaa0111df5
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962f81698653baa1d8bf2ca70ecd37aeeb8c7cb0f21b7c4c00ab9cf7d2206c9b
AgentTesla
dc72c3da125cac80b5cafb89d523c7b77b357f551fa4366efcd1fd83b568e942
AgentTesla
e1fae54e9fb4d1c3d42119a980b7992cbadfda5c7051de61a2d1cef9d251c173
AgentTesla
e4f1164364a86e7ae9293f9df8d976c8037e6701c7fb7103182186c2f5cd4968
AgentTesla
f3b6d3950ed18dabb36fae0e0b75cf010a7833f058f6d5f2573eb17a038f3141
AgentTesla
+ 1'086 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230815-tqslcabg75/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
5e0db5592ba8e992f530915d209d5990a9e2f13ab4c942e3e7d816e211ae57f4
MD5 hash:
e872f9ba984b385118f1196f96d22930
SHA1 hash:
e50e7b0f8259a7d5ee51279483f78604addef9a9
Link:
https://www.unpac.me/results/72bb7da4-8da1-4070-8a7b-bc25f67d6283/
SH256 hash:
d49b6b98ce2072303df26f7fdd3bcf642267bd4d44be0bbbfabf7e9742618dd8
MD5 hash:
9668fa7d79bba30a0080007d155a5bd4
SHA1 hash:
c3df87d81ec44a86f03d12e8184fd9d8f2365233
Link:
https://www.unpac.me/results/72bb7da4-8da1-4070-8a7b-bc25f67d6283/
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/72bb7da4-8da1-4070-8a7b-bc25f67d6283/
SH256 hash:
d1674ad53607a79e287d2878b45f260ef4b54ab261a60ed463abc2f18ef30264
MD5 hash:
739f483d8035f7ab0f9e42d9e7759c8b
SHA1 hash:
a6f727e8a92060aa86a2c5005c7abf968889df4d
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/72bb7da4-8da1-4070-8a7b-bc25f67d6283/
Parent samples :
56262526e4be76814245c822a6b521dbde2c5d3299f0db4bb2bc7b8fdee1e8b5
90b9761dcd25c9d5b71632aceb036e4f7c66230a1e27fcb98d9a306d2caff7ed
96df12776607bce40d6ca1c8b9e79ac9b8bc8057ddf91014599e5452896ef4e0
d2475c14cd534bca8b3a7a584900668545ed04d7f04c55c0958e05deaec4a7fc
22f66a34d2354f08b0e4924f3d619d6fa0922adda2827f7e6f588f5855e4258e
5b55637a26181e3420983b78038cedc5b9f3b10ac3cf0b904c6f9195f3b28baa
65991091fbb81c3961dd91240296ae03aec2a94ef682dd194134e8cfdf69f8a4
ffa8e6e00d583ef5154e0e33f28d775858e9d71fd8e45247cec4e60e723f8f9f
64db0ce4b48466deb70395bfe2763f916c2cf1f7e967a266dc42484a02c83c1c
SH256 hash:
90b9761dcd25c9d5b71632aceb036e4f7c66230a1e27fcb98d9a306d2caff7ed
MD5 hash:
2fab437c660d95b3e7e7f4ae8e4d09f6
SHA1 hash:
9d3926cb4cca802a3a46ce853470ab447c8187a4
Link:
https://www.unpac.me/results/72bb7da4-8da1-4070-8a7b-bc25f67d6283/
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: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 90b9761dcd25c9d5b71632aceb036e4f7c66230a1e27fcb98d9a306d2caff7ed

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/442914/

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