MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1a6e6f1629f59367de2c4271a4632b7d39a5b84e0f3dfb0e10499107a5ba96e. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
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SHA256 hash: f1a6e6f1629f59367de2c4271a4632b7d39a5b84e0f3dfb0e10499107a5ba96e
SHA3-384 hash: d158f14e3e2a0dcf384b63c0a9dd175ef8f2f775bf9ca6a0f13433b0a2fff14d96e1be4afdfeb68f01613e3f0271b556
SHA1 hash: 1f04d745a44f03c7bfc27c9438fe4f1d790daf0d
MD5 hash: 217a0bb8c96b367869a3d0eccd03b3e0
humanhash: spring-orange-vegan-mike
File name:CCF20032021_0003.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:869'376 bytes
First seen:2021-03-22 06:11:42 UTC
Last seen:2021-03-22 07:48:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:kBDWNZoRoAjqKFQR/qScBzbABavZw0pN8//:wDWNOSAjLRBwBGw0pK/
Threatray 5 similar samples on MalwareBazaar
TLSH ED056CBD71E6E23AC43582711DA53C72A3F14C65F8B0990598DDFAD08731EA32B5B60E
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CCF20032021_0003.exe
Verdict:
Malicious activity
Analysis date:
2021-03-22 06:14:56 UTC
Tags:
keylogger stealer agenttesla
Link:
https://app.any.run/tasks/7eb14938-9786-49aa-a3de-7a9eecefff85

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Siggen12.49881.23003.20890.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a window
Sending a custom TCP request
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
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/6f918fbf-7d18-4207-8d28-c5a3d860c67e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/647320
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
.NET source code references suspicious native API functions
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 372624 Sample: CCF20032021_0003.exe Startdate: 22/03/2021 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->52 54 10 other signatures 2->54 7 CCF20032021_0003.exe 6 2->7         started        11 NewApp.exe 2 2->11         started        13 NewApp.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\...\IScUAPdYiCv.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmpA0F2.tmp, XML 7->34 dropped 36 C:\Users\user\...\CCF20032021_0003.exe.log, ASCII 7->36 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 7->56 58 Writes to foreign memory regions 7->58 60 Injects a PE file into a foreign processes 7->60 15 MSBuild.exe 2 4 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 38 smtp.yandex.ru 77.88.21.158, 25, 49723 YANDEXRU Russian Federation 15->38 28 C:\Users\user\AppData\Roaming\...28ewApp.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->42 44 Tries to steal Mail credentials (via file access) 15->44 46 7 other signatures 15->46 26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f1a6e6f1629f59367de2c4271a4632b7d39a5b84e0f3dfb0e10499107a5ba96e/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-03-22 00:59:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6gton4lct5mtm7pcyqtrurrsw7jzuw4e4dz57mhbasmra6s3vfxa._file
Verdict:
unknown
Similar samples:
1750e4eaacc3621e3e0cae67dca7a78c5a89b9df2fe3e6e358696cf0e8b02296
AgentTesla
2606db6f15d79237100a4640d5397102581923ecb96944a3a62b526f295bbc1a
AgentTesla
4019c67195976c1cdca0270a75b114aa8dd920db390eb28c23389767d6fb5148
AgentTesla
985750482ea09493ba540c98fe42e99bc6462bd8a24561f6fd24616e08930f0e
AgentTesla
f0883adc5b8236f709c190d5fef08f4bcca554f9e56c7519eb1d34353348cbe5
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210322-mkr4rn7ees/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
304f09f81b7c527bfe818a11cb1f9bcbc6552e5300d4fa8580fd33fc562d9e13
MD5 hash:
cbefc99912e89ac1ab76a7febdfc4c77
SHA1 hash:
fe6cfe81caacfe13a0cc37a997e2d2432d97a054
Link:
https://www.unpac.me/results/ae8dd4d3-51b2-4d51-b567-3454ece03522/
SH256 hash:
eadfc689c80f1164f483105b25da40930f32e7d0a78bea3b3c403a02adee1a24
MD5 hash:
3b606479b01bb12bcceb9fafbd31329d
SHA1 hash:
2d2f723c89248ab92707acb24eaeea9c868c22f7
Link:
https://www.unpac.me/results/ae8dd4d3-51b2-4d51-b567-3454ece03522/
SH256 hash:
fdccaed76f7279e6b8cc1579dadeed03fa1b8d1adcdfbcac585a68da168366d5
MD5 hash:
8b603b23caf00139206f293eb741a9f0
SHA1 hash:
1cc90aec7ce07b13930fe0c088fe3cd155b3ea07
Link:
https://www.unpac.me/results/ae8dd4d3-51b2-4d51-b567-3454ece03522/
SH256 hash:
f1a6e6f1629f59367de2c4271a4632b7d39a5b84e0f3dfb0e10499107a5ba96e
MD5 hash:
217a0bb8c96b367869a3d0eccd03b3e0
SHA1 hash:
1f04d745a44f03c7bfc27c9438fe4f1d790daf0d
Link:
https://www.unpac.me/results/ae8dd4d3-51b2-4d51-b567-3454ece03522/
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/f1a6e6f1629f59367de2c4271a4632b7d39a5b84e0f3dfb0e10499107a5ba96e

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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.

Malspam

AgentTesla

rar ce7b5ee657cb6d62af5425c09ddaabf84438073d16b616e35cdcaef359e62da6

AgentTesla

Executable exe f1a6e6f1629f59367de2c4271a4632b7d39a5b84e0f3dfb0e10499107a5ba96e

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 ce7b5ee657cb6d62af5425c09ddaabf84438073d16b616e35cdcaef359e62da6

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