MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 496915df405522ba15593a35d2c7d2da7adbe9dec2cfe62d2db4a47e81fddcca. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 496915df405522ba15593a35d2c7d2da7adbe9dec2cfe62d2db4a47e81fddcca
SHA3-384 hash: fde7b9297261b1bd93c3054350aa32cbc37459e87e37dc98bb631db766e8e2c987a1df122c1e35903c6bd506b456f995
SHA1 hash: fa52096ed7b37a332792b037e72fd78d4664e400
MD5 hash: 77b7ee62cc692b825283e3036ef8a8e4
humanhash: island-hot-friend-cold
File name:77b7ee62cc692b825283e3036ef8a8e4.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:708'608 bytes
First seen:2020-08-03 07:38:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 24f26e153c9b6068c0a4770547eb6d9e (14 x Loki, 7 x AgentTesla, 2 x Formbook)
ssdeep 12288:bCbpcLhilrm7G8oclWEAroCo3DQmTj7prYQ3riwwhpMmm:MuLhi80Jro7FrYOrYzk
Threatray 11'111 similar samples on MalwareBazaar
TLSH 27E49E22E7A0443EF1723A3D5D2B57BC9826BE51392C59463BECDD4C6F393423926287
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
almashosting.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/37471/
Detection(s):
SecuriteInfo.com.Win32.Herz.B.23927.UNOFFICIAL
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.Variant.Zusy.307895.13627.19246.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/407626
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256101 Sample: RqAeiF27Nb.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Yara detected AgentTesla 2->30 32 Machine Learning detection for sample 2->32 6 sabi.exe 2->6         started        9 RqAeiF27Nb.exe 2->9         started        11 sabi.exe 2->11         started        process3 signatures4 34 Detected unpacking (changes PE section rights) 6->34 36 Detected unpacking (creates a PE file in dynamic memory) 6->36 38 Detected unpacking (overwrites its own PE header) 6->38 40 Machine Learning detection for dropped file 6->40 13 sabi.exe 2 6->13         started        42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->44 46 Maps a DLL or memory area into another process 9->46 48 Contains functionality to detect sleep reduction / modifications 9->48 17 RqAeiF27Nb.exe 2 5 9->17         started        20 sabi.exe 2 11->20         started        process5 dnsIp6 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->50 52 Tries to steal Mail credentials (via file access) 13->52 54 Tries to harvest and steal ftp login credentials 13->54 56 Tries to harvest and steal browser information (history, passwords, etc) 13->56 26 almashosting.com 148.251.88.26, 49708, 49709, 587 HETZNER-ASDE Germany 17->26 22 C:\Users\user\AppData\Local\Temp\...\sabi.exe, PE32 17->22 dropped 24 C:\Users\user\...\sabi.exe:Zone.Identifier, ASCII 17->24 dropped 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->58 file7 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/496915df405522ba15593a35d2c7d2da7adbe9dec2cfe62d2db4a47e81fddcca/
Threat name:
Win32.Trojan.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2020-07-03 00:41:02 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jfurlx2akurlufkzhi25fr6s3j5nx2o6ylh6mljnwssh5ap53tfa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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72f0602ff527619e73688e43bcd3e1ceb46e9f7234e70dde08dba45e9cd80beb
AgentTesla
7a477a446769be5e8f006df9f0b2a77439d269acca020f44954ec93a98252164
AgentTesla
934982623de62355613d2c7e8f8d1edee0a5db84c99636fb9ee543e7cfc6a079
AgentTesla
aa218adce0cc32486a75b6e5a2669c8b82afac444485f3d44bb168482276ad4e
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c53185f575195f3621b1b2cd4f8e95f60098dd6340c8492a90fb1c0d880ee7a0
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c95e7d84353b77c81870d17df0d8a73387b3d3804b5db509b50176b049fa7a8b
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dd5e99c3b05f5d4e9cbdf8b7f28a233618b3d2abb8a7cab1a10fdbcdd859dfb6
AgentTesla
ddde9519c188d7ef44e9d8235066be5fe298e2089888749263531f014b8e4b5c
AgentTesla
ead74c9cce8a3bc5dec5f0bc9f860f90fcd6791cdacce3ecd59e3e96ac0035c9
AgentTesla
ec6cfe036b88320b3208921df633e7ec0e1fbd3353e6fdc9d621d5cce1b9a27d
AgentTesla
+ 11'101 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
upx keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200803-d56329tgt2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
UPX packed file
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Tinba
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/496915df405522ba15593a35d2c7d2da7adbe9dec2cfe62d2db4a47e81fddcca

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_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe 496915df405522ba15593a35d2c7d2da7adbe9dec2cfe62d2db4a47e81fddcca

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/37471/
  
URLhaus
https://urlhaus.abuse.ch/url/423348/
  
Delivery method
Distributed via web download

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