MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6cfbaea63f104c3b3fbb7861a80a9696f66ff161aeedf7a36ba12b107490f0af. 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 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6cfbaea63f104c3b3fbb7861a80a9696f66ff161aeedf7a36ba12b107490f0af
SHA3-384 hash: 1d6a91603d83b1c2fbce7608a39878b1bb5947ba35010d934e7ec8ab7372a7d5ab1f72f17f13f3a2b30741e34f1dc3ae
SHA1 hash: 41c60645dbc5ad1c71b8eeb1203c2aa3bd2736b8
MD5 hash: ca779e66a2c99a7969bbe26121639151
humanhash: sink-enemy-california-florida
File name:ca779e66a2c99a7969bbe26121639151
Download: download sample
Signature AgentTesla
Create hunting rule
File size:447'488 bytes
First seen:2021-11-22 14:24:18 UTC
Last seen:2021-11-22 15:49:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:bHY6k3l/kUmre/oaXY/IIN1E+Z1HTxoVMFBwnN6qIc7xZ7XA0bixKC:bMkBfx1Ey1zUMsn8gPQd
Threatray 12'950 similar samples on MalwareBazaar
TLSH T17994121133584F69D1BF2BFDE4B5410417F9B5267A32E75E6E90A0CF6AAB782C052383
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation123 19.11.21.xlsx
Verdict:
Malicious activity
Analysis date:
2021-11-19 10:56:00 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/4782866b-06d8-49d8-bc1f-dcf17fdb3135

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.45775.24286.20077.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619ba842398e2553d200e0c2/reports/de78c7f8-1483-428e-b9a5-a676faa1db63/overview
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/10cc2363-9532-4f5f-b1b9-29616d299bbe
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/893925
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
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: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 signatures2 2 Behavior Graph ID: 526403 Sample: XsFFv27rls Startdate: 22/11/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 7 other signatures 2->37 7 XsFFv27rls.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\...\SBAcYxkSGXSpyk.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpAF3D.tmp, XML 7->25 dropped 27 C:\Users\user\AppData\...\XsFFv27rls.exe.log, ASCII 7->27 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 45 2 other signatures 7->45 11 XsFFv27rls.exe 2 7->11         started        15 powershell.exe 21 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 29 us2.smtp.mailhostbox.com 208.91.199.225, 49817, 49819, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file / registry access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6cfbaea63f104c3b3fbb7861a80a9696f66ff161aeedf7a36ba12b107490f0af/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-19 17:09:00 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nt525jr7cbgdwp53pbq2qcuws33g74lbv3w7pi3luevra5eq6cxq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3343bd70c5e77d6b6f18db8b8f9b42e65c3f89d6e0ef88cfbf8d50d8c8132be4
AgentTesla
363972a28cb3e26bc9881c34d2ff911c3c2570dffea4ae7d6e54056a2a988390
AgentTesla
a5b4a1aa53134e93a392b7b90cc7c5d4a939d4f61bdf330de08d49fa1b4356ed
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aa49a468dd184ec1ee4b126823e7c3dec0539e75b0736b6f2a24116fc33badb9
AgentTesla
c18374cf7e46501dd7cc24f5c85459ee9ff1c5be6354cc2435e10b7cd14a79ba
AgentTesla
e28d5254f259f021ad807092189fc8d60c8de80213760094fe2a9eddab2fc159
AgentTesla
e41c50d817a963a03c07188bda3e42f164f1ce189f2875dc7f5125594d4ec159
AgentTesla
e4d2da009a40f7b1fbd7c9a488d521b5e035ebcd26ada683ea837aaf4b51a0d7
AgentTesla
efc33e49a1f2bb8a2caf20a3609c44170c3739c90c1e2f4f236961e13279a3b3
AgentTesla
+ 12'940 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211122-rrae2safh9/
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
4876d90fe5354fea6d0bb610f47a73d55bfa852cae71da743c01d270e49b0677
MD5 hash:
222478d1cf020ff34442faa04f3c582f
SHA1 hash:
b6749a3151a67be2a1a45aae03f54271451d164a
Link:
https://www.unpac.me/results/eee63765-1e39-4e0b-af22-ec19417f3b1b/
SH256 hash:
cc5c5860e83b708cd158454165cbeb714767119946049de5aa7677685be75c14
MD5 hash:
83cbea4dec6e5b64a85ee9b6f9ff7598
SHA1 hash:
5c1d12b792c32ba73b7bf2634da5e4d9fbcd7d4e
Link:
https://www.unpac.me/results/eee63765-1e39-4e0b-af22-ec19417f3b1b/
SH256 hash:
bbcfe404e3e2f2cc5e84d74ed975ebd8ff56ce17a1a04f0947625a22d5f9acf9
MD5 hash:
6db8b63b5f3db718dfadb3ee0f480323
SHA1 hash:
1a36b3af9d408f1c3193bfd25c46745beedd775a
Link:
https://www.unpac.me/results/eee63765-1e39-4e0b-af22-ec19417f3b1b/
SH256 hash:
6cfbaea63f104c3b3fbb7861a80a9696f66ff161aeedf7a36ba12b107490f0af
MD5 hash:
ca779e66a2c99a7969bbe26121639151
SHA1 hash:
41c60645dbc5ad1c71b8eeb1203c2aa3bd2736b8
Link:
https://www.unpac.me/results/eee63765-1e39-4e0b-af22-ec19417f3b1b/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6cfbaea63f10/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/6cfbaea63f104c3b3fbb7861a80a9696f66ff161aeedf7a36ba12b107490f0af

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 6cfbaea63f104c3b3fbb7861a80a9696f66ff161aeedf7a36ba12b107490f0af

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/208224/
  
URLhaus
https://urlhaus.abuse.ch/url/1805118/

Comments


Avatar
zbet commented on 2021-11-22 14:24:19 UTC

url : hxxp://202.55.132.154/48680c/vbc.exe