MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42538c71c23cda915aff772266da886e27beeadec042ccf17c5ebb896b56a537. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42538c71c23cda915aff772266da886e27beeadec042ccf17c5ebb896b56a537
SHA3-384 hash: 3fdc13d7c4ef558d655543fefb8c5ca1387f823c154860fdcb2e04ab0e5151581069f8af2ff1e92a9bf96ee2388bd165
SHA1 hash: 9ad74002e8f03bba25c89c339e50f2ffbb9bb3a9
MD5 hash: 18bae25a68403c87fa6738ab1b450577
humanhash: happy-oxygen-batman-salami
File name:SecuriteInfo.com.Scr.Malcodegdn30.26571.5712
Download: download sample
Signature AgentTesla
Create hunting rule
File size:942'080 bytes
First seen:2022-05-10 04:38:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:zH6mdDfxt7J07hPDY698237r4bLISMvvQSTH6WSj9vwZ9Tur:z52RtSsvokKjaZ9
Threatray 17'100 similar samples on MalwareBazaar
TLSH T184159C5072D8EE99E42952B1C935C5F00731BE4AC5B6C70F29997DCE38B23836526F2B
TrID 54.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
23.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f26efec4b6c2c00c (24 x AgentTesla, 14 x Loki, 12 x Formbook)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Scr.Malcodegdn30.26571.5712
Verdict:
Malicious activity
Analysis date:
2022-05-10 04:40:06 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/3fead301-c4df-472e-881d-1b7d5f5b85b7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.26571.5712.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed wacatac
Link:
https://www.filescan.io/uploads/6279ec74b119a5f609b63b07/reports/8aeb93ad-ab0f-4eec-a8b1-3e68aa4b4138/overview
Result
Verdict:
UNKNOWN
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:
shellcode
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/19b32dbf-2012-4663-98b5-a2f5a093daa6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/990692
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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)
Snort IDS alert for network traffic
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 / 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 dnsIp2 2 Behavior Graph ID: 623188 Sample: SecuriteInfo.com.Scr.Malcod... Startdate: 10/05/2022 Architecture: WINDOWS Score: 100 59 162.222.225.16, 49775, 587 PUBLIC-DOMAIN-REGISTRYUS United States 2->59 61 us2.smtp.mailhostbox.com 2->61 63 smtp.tranpotescamdonic.us 2->63 75 Snort IDS alert for network traffic 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Multi AV Scanner detection for dropped file 2->79 81 6 other signatures 2->81 8 SecuriteInfo.com.Scr.Malcodegdn30.26571.exe 7 2->8         started        12 jVULYR.exe 5 2->12         started        14 jVULYR.exe 2->14         started        signatures3 process4 file5 45 C:\Users\user\AppData\...\hXTglhXgnFGIe.exe, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmp68DF.tmp, XML 8->47 dropped 49 SecuriteInfo.com.S...gdn30.26571.exe.log, ASCII 8->49 dropped 83 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->83 85 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->85 87 Uses schtasks.exe or at.exe to add and modify task schedules 8->87 16 SecuriteInfo.com.Scr.Malcodegdn30.26571.exe 2 5 8->16         started        21 powershell.exe 24 8->21         started        23 schtasks.exe 1 8->23         started        89 Multi AV Scanner detection for dropped file 12->89 91 Adds a directory exclusion to Windows Defender 12->91 93 Injects a PE file into a foreign processes 12->93 25 jVULYR.exe 12->25         started        27 powershell.exe 12->27         started        29 schtasks.exe 12->29         started        31 powershell.exe 14->31         started        signatures6 process7 dnsIp8 51 us2.smtp.mailhostbox.com 208.91.198.46, 49761, 49773, 587 PUBLIC-DOMAIN-REGISTRYUS United States 16->51 53 192.168.2.1 unknown unknown 16->53 55 smtp.tranpotescamdonic.us 16->55 41 C:\Users\user\AppData\Roaming\...\jVULYR.exe, PE32 16->41 dropped 43 C:\Users\user\...\jVULYR.exe:Zone.Identifier, ASCII 16->43 dropped 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->65 67 Tries to steal Mail credentials (via file / registry access) 16->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->69 33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        57 smtp.tranpotescamdonic.us 25->57 71 Tries to harvest and steal ftp login credentials 25->71 73 Tries to harvest and steal browser information (history, passwords, etc) 25->73 37 conhost.exe 27->37         started        39 conhost.exe 29->39         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/42538c71c23cda915aff772266da886e27beeadec042ccf17c5ebb896b56a537/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-10 02:58:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ijjyy4ochtnjcwx7o4rgnwuinyt352w6ybbmz4l4l25ys22wuu3q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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4b0f3abe3b0c7a9356687b4c29c68f9bab4247ca92cf5c37b42eec2881d3d2ec
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6ab30070b29a4095465e89dbc1a4b0788625565aa7608973b274aadd715b5db1
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9d24e8126703ce8965912d84f1551d49a66bb45bdb593c3a45185d67fa76d9cd
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b7c3b077777303227947d62064fea23a1473f57c07575476e97c92a811b37c46
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c769e0bfc0a06d78d730b40317af967f5aa12b395f5e48f3479e95014d0de978
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d2a15bc37d82c300a6f57910ea624261a5d71a73776d974dccc7c2eb6e62f80b
AgentTesla
+ 17'090 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220510-e9yt5sehf5/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
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
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
06b2d98106ce25d46ec3bfe7268196007e498645fbb35f216a086a3a4cda2fba
MD5 hash:
98c3c4676548b111d872c9ff7ca66c45
SHA1 hash:
9c2b9bf19d33b1111916df66d72aa47ef6f39f7f
Link:
https://www.unpac.me/results/b4220b70-f35b-4ade-a95c-be13674f05eb/
SH256 hash:
709e082d4c67605727cad6be7f72360a3abd2a278879db141aa738b8c6c95cbc
MD5 hash:
9e71a477c041c2b9a823af05d2a7513b
SHA1 hash:
8c0b08b3e9a6b21c990756effce12b45a64b78a9
Link:
https://www.unpac.me/results/b4220b70-f35b-4ade-a95c-be13674f05eb/
SH256 hash:
753bb6d3f2107a7ed0071a4efa04ddb1a9d09edbeb382020e4d558d46b572048
MD5 hash:
b5911e16822a39925df899d348f05e0f
SHA1 hash:
47690a21ed470fae27fa0e315dbbee4d97dd43ee
Link:
https://www.unpac.me/results/b4220b70-f35b-4ade-a95c-be13674f05eb/
SH256 hash:
dfd967ab3fb73ddde616fc628bace6599f17965dbeed6b09b09efcc116f8a0c6
MD5 hash:
4132f3dcbfecf2ee10704f1e226dad63
SHA1 hash:
4506484ce30e942d1b3a0763d83db900357bdd14
Link:
https://www.unpac.me/results/b4220b70-f35b-4ade-a95c-be13674f05eb/
SH256 hash:
42538c71c23cda915aff772266da886e27beeadec042ccf17c5ebb896b56a537
MD5 hash:
18bae25a68403c87fa6738ab1b450577
SHA1 hash:
9ad74002e8f03bba25c89c339e50f2ffbb9bb3a9
Link:
https://www.unpac.me/results/b4220b70-f35b-4ade-a95c-be13674f05eb/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/42538c71c23c/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/42538c71c23cda915aff772266da886e27beeadec042ccf17c5ebb896b56a537

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.

Comments