MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b49c6a2d089b5b8e50c79894e0ab216c3bad852e66af30ed4764fd79d69251a6. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b49c6a2d089b5b8e50c79894e0ab216c3bad852e66af30ed4764fd79d69251a6
SHA3-384 hash: e5b9a468e9e9bfea7591d907825595285891f91c84a47b87fbeb3d5cad6fbc195244c1348aead0940f5f0943b71dc8a5
SHA1 hash: 305c110ceaff1bdcfd1547826b9f2cdd15166398
MD5 hash: 3070eba41971269de72494cb416f60cf
humanhash: cold-nitrogen-cold-berlin
File name:SecuriteInfo.com.Trojan.PackedNET.469.3076.27532
Download: download sample
Signature AgentTesla
Create hunting rule
File size:995'840 bytes
First seen:2020-11-23 22:53:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:k2PXc8Wzj6uequI2YwhOTBQUXlx/UF+W0Ms7HnvktBeJ8s41ypNVAZcd7KXkwQKF:bvWn/eHjD8Fb0F+rn8tAJv4kpNigKBh
Threatray 1'455 similar samples on MalwareBazaar
TLSH 4225E0626388AB55E07DA7BD04B000505BF2B847DB72D60D3E9CA8EE4FB1F448A56F47
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
207
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Sending a UDP request
Creating a 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
Creating a process with a hidden window
Enabling autorun by creating a file
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/545618
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
May check the online IP address of the machine
Moves itself to temp directory
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)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 321903 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 23/11/2020 Architecture: WINDOWS Score: 100 60 Found malware configuration 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 Sigma detected: Scheduled temp file as task from temp location 2->64 66 7 other signatures 2->66 7 SecuriteInfo.com.Trojan.PackedNET.469.3076.exe 7 2->7         started        11 YYtJku.exe 5 2->11         started        13 YYtJku.exe 4 2->13         started        process3 file4 40 C:\Users\user\AppData\Roaming\iZOswu.exe, PE32 7->40 dropped 42 C:\Users\user\AppData\Local\...\tmp12D0.tmp, XML 7->42 dropped 44 SecuriteInfo.com.T...ET.469.3076.exe.log, ASCII 7->44 dropped 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->68 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->70 72 Injects a PE file into a foreign processes 7->72 15 SecuriteInfo.com.Trojan.PackedNET.469.3076.exe 17 5 7->15         started        20 schtasks.exe 1 7->20         started        74 Multi AV Scanner detection for dropped file 11->74 22 schtasks.exe 1 11->22         started        24 YYtJku.exe 2 11->24         started        26 schtasks.exe 13->26         started        28 YYtJku.exe 13->28         started        signatures5 process6 dnsIp7 46 smtp.yandex.ru 77.88.21.158, 49755, 587 YANDEXRU Russian Federation 15->46 48 elb097307-934924932.us-east-1.elb.amazonaws.com 50.19.252.36, 443, 49754 AMAZON-AESUS United States 15->48 50 3 other IPs or domains 15->50 36 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 15->36 dropped 38 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 15->38 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->52 54 Moves itself to temp directory 15->54 56 Tries to steal Mail credentials (via file access) 15->56 58 3 other signatures 15->58 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 26->34         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b49c6a2d089b5b8e50c79894e0ab216c3bad852e66af30ed4764fd79d69251a6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-11-23 17:45:55 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wsoguliitnny4ughtckobkzbnq523bjom2xtb3khmt6xtvuskgta._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 1'445 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/201123-a8ps6tnf8n/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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:
b49c6a2d089b5b8e50c79894e0ab216c3bad852e66af30ed4764fd79d69251a6
MD5 hash:
3070eba41971269de72494cb416f60cf
SHA1 hash:
305c110ceaff1bdcfd1547826b9f2cdd15166398
Link:
https://www.unpac.me/results/d4833263-e24e-4a02-a850-ab26bfd1f99f/
SH256 hash:
c8671a87d685f2354d96f3cfcad530dfa5f3ec535a0f5ec14940d81fb857813b
MD5 hash:
b5358f677850210361f573c7d249c258
SHA1 hash:
215e06e319515d779efa88f7c05b343d6ec3f6a5
Link:
https://www.unpac.me/results/d4833263-e24e-4a02-a850-ab26bfd1f99f/
SH256 hash:
ba0b5dcea5736fd73a0f189b42467a778d490c7663df0249dced5a23c26b35ec
MD5 hash:
dd8207b16019a47605113cf9b1130fba
SHA1 hash:
40d53829c54b07d533d28ba5f6d5d6ff85a3a2a7
Link:
https://www.unpac.me/results/d4833263-e24e-4a02-a850-ab26bfd1f99f/
SH256 hash:
c6fcf5d515d56cf746b4c4aa4695f11e9ad7f6063a96cda810bf39dc47c5a7a0
MD5 hash:
47509d9db24c975e55c287afdc459fad
SHA1 hash:
4f1f893555c985d7cbba731cf1fdbf49c6ecf793
Link:
https://www.unpac.me/results/d4833263-e24e-4a02-a850-ab26bfd1f99f/
SH256 hash:
19029e7ae3726edacbdff08a9ef95cddd2a3375e761b0f0f60d5aa34b2a1a117
MD5 hash:
a77437bd6f27ad6f5cbfc976b914990f
SHA1 hash:
7ca98d29815ab1c239bc394f2ccd7343d9ec55c9
Link:
https://www.unpac.me/results/d4833263-e24e-4a02-a850-ab26bfd1f99f/
SH256 hash:
1ffeedb420edbc003fc2a3be338d16c31711ba372f5538c82505dc087eff8bb8
MD5 hash:
05bba364372ba562050e948ca7f93e4d
SHA1 hash:
b18aa7cd19e4f5282eae34858125034b7cde4ee2
Link:
https://www.unpac.me/results/d4833263-e24e-4a02-a850-ab26bfd1f99f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Starter
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b49c6a2d089b5b8e50c79894e0ab216c3bad852e66af30ed4764fd79d69251a6

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Web download

AgentTesla

Executable exe b49c6a2d089b5b8e50c79894e0ab216c3bad852e66af30ed4764fd79d69251a6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/847209/
  
Delivery method
Distributed via web download

Comments