MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 023290e5b1583d7ec938c6f4372ef61f6d4a9b3e766af56023ef610bcfa5276f. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 023290e5b1583d7ec938c6f4372ef61f6d4a9b3e766af56023ef610bcfa5276f
SHA3-384 hash: 5290b45dc2ac808fa39335b5b75c2eb4e102987f2599b65e1369ca4236de656a0ea8648a54e26559a3edadca9683a3df
SHA1 hash: c8ee9cd93194a152966170c01171a53e7f35d94e
MD5 hash: 7fbe59c611346dc4bf5c185d82ca9184
humanhash: violet-diet-asparagus-mars
File name:sw_Inv-05838084.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:948'736 bytes
First seen:2021-05-17 05:19:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:IjKxeayECYOYhcbIkJjH/A0wCKarTcjgxdJ0v28w35/B2hOhea+:6IeagYhaIktr+cdCvrw3tB2Mhea+
Threatray 4'972 similar samples on MalwareBazaar
TLSH ED1527802626A19DD4713BBDA13134E403B8EE27F8E94DD7429C7B22FDFB9110FA5925
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
sw_Inv-05838084.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-17 05:22:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/95aaa38a-d02b-4d35-9ffb-d6baa9a66b92

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

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/783286
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 415682 Sample: sw_Inv-05838084.exe Startdate: 17/05/2021 Architecture: WINDOWS Score: 100 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 6 other signatures 2->47 6 sw_Inv-05838084.exe 3 2->6         started        10 newapp.exe 3 2->10         started        12 newapp.exe 2 2->12         started        process3 file4 25 C:\Users\user\...\sw_Inv-05838084.exe.log, ASCII 6->25 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->51 53 Injects a PE file into a foreign processes 6->53 14 sw_Inv-05838084.exe 17 9 6->14         started        19 newapp.exe 2 10->19         started        21 newapp.exe 10->21         started        23 newapp.exe 14 2 12->23         started        signatures5 process6 dnsIp7 31 hosseinsoltani.ir 185.55.225.19, 443 SERVERPARSIR Iran (ISLAMIC Republic Of) 14->31 27 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 14->27 dropped 29 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 14->29 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 39 3 other signatures 14->39 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/023290e5b1583d7ec938c6f4372ef61f6d4a9b3e766af56023ef610bcfa5276f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-17 05:20:14 UTC
AV detection:
24 of 47 (51.06%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aizjbznrla6x5sjyy32dolxwd5wuvgz6ozvpkybd55qqxt5fe5xq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0063947555fada876477c4e186d19517a3894d56153477590b0d6367ec80fe2d
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5a527950d894197b2f050718da8829767a02eafa306f6b8b6e10c99ddbf66125
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64bcb08d9f06b5c5600909d36baad87712db0b22befcd3e1e4a1dd8a3938301f
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81453065bd00296f689d548aba1571a2fae836d7708089a46c62a0045ff1baa6
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8e144635d07a00f49338132f7c867f4bc8f34d11b8ab142064322e4d84fd7222
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9115557e99de157473228d93416040638506bd166128351196200f424128a93f
AgentTesla
acc4f3dec5d471c28db29b9e7877fa419d157ebaa44b51039fbae33d6e33ca02
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b791f9ada5f7bab5e26ab2227b0f615afe2135362e53149ae13df99af3072fd1
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b7ac4f2602d390462ae572aaf1a8d1eb6d15862dd3f65b7d0d03c8b925a32530
AgentTesla
e4649c6b74b9494074c6020ba5e73d1253ed1929146135f4e9dbc48da6ace470
AgentTesla
+ 4'962 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/210517-k6g91jjj36/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://hosseinsoltani.ir/wp-includes/Requests/Auth/vi/inc/98d006f6b6fe54.php
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/023290e5b1583d7ec938c6f4372ef61f6d4a9b3e766af56023ef610bcfa5276f

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: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 023290e5b1583d7ec938c6f4372ef61f6d4a9b3e766af56023ef610bcfa5276f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments