MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ffc8cbbd4335b8ee1487f406295eac8080bf080e0e266743166adc79a9f1950. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6ffc8cbbd4335b8ee1487f406295eac8080bf080e0e266743166adc79a9f1950
SHA3-384 hash: 8b8a065b29909be6cb1fb9e38730bb6032fcc8b3ff723bbbfe9ae56580f63feb223b7295df68146f4407c218c3e3e37c
SHA1 hash: 8b5fb016f36d2b3015ec4d87902f7831c612ea18
MD5 hash: 9a0c99f9f94eef4366fe0d74b7f73681
humanhash: music-fifteen-india-kilo
File name:BL and Packing list & invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:800'256 bytes
First seen:2022-02-18 15:22:49 UTC
Last seen:2022-02-19 11:28:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:T5VkoVZiVsbTBx4kpdl23quetAuSQLdA6hiPfxNrQqtNeiZuzH:OVOn4krs6ukA4iPfHrQqLhZu
Threatray 15'450 similar samples on MalwareBazaar
TLSH T14305BF1631EF1096D7A2EBF10FE8FCBF8A6AF173161E753D31812A4A8366D409A41375
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
312
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/242553/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.57439.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Scr.Malcodegdn30.14006.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/620fb9dd875593a3cce5d470/reports/11012a12-6384-49a7-ae16-b57b4cd8dee3/overview
Result
Verdict:
SUSPICIOUS
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/a728ef15-e6a3-4bbc-a70b-545c715ea567
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/942303
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Multi AV Scanner detection for dropped 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 (e.g. based on Emerging Threat rules)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 574781 Sample: BL and Packing list & invoice.exe Startdate: 18/02/2022 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 8 other signatures 2->38 6 BL and Packing list & invoice.exe 3 2->6         started        9 tKZVPq.exe 3 2->9         started        11 tKZVPq.exe 2 2->11         started        process3 signatures4 40 Injects a PE file into a foreign processes 6->40 13 BL and Packing list & invoice.exe 2 5 6->13         started        42 Multi AV Scanner detection for dropped file 9->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->46 18 tKZVPq.exe 2 9->18         started        20 tKZVPq.exe 9->20         started        process5 dnsIp6 28 butterflymotors.com 204.11.58.151, 49836, 587 PUBLIC-DOMAIN-REGISTRYUS United States 13->28 30 mail.butterflymotors.com 13->30 22 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 13->22 dropped 24 C:\Windows\System32\drivers\etc\hosts, ASCII 13->24 dropped 26 C:\Users\user\...\tKZVPq.exe:Zone.Identifier, ASCII 13->26 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->48 50 Tries to steal Mail credentials (via file / registry access) 13->50 52 Tries to harvest and steal ftp login credentials 13->52 54 3 other signatures 13->54 file7 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6ffc8cbbd4335b8ee1487f406295eac8080bf080e0e266743166adc79a9f1950/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-18 15:23:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n76izo6ugnny5ykip5agffpkzaeax4ea4drgm5brm2w4pgu7dfia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
231af4f9626622427ed4df07e6ed351172b9a3417ee26235ba05ec14ed7dc7e4
AgentTesla
3615fadc8219a9743616b35e7861d40c787191709875764fee8f22a4749d1b8d
AgentTesla
5cc8c8e81ebe07e57ff61c75a204988a04071da991cf85a5bf85ddca60597fcf
AgentTesla
79437d0724b805fd6cdf288d9f1e8fdea41a4b8d2a32a2690c951590e9077502
AgentTesla
855cd108ac5b3df456f5dac8b276592df59ff70f019c8fd1a30bc66e43d03317
AgentTesla
b7c392fdfb83df479372c77f3fc1e91fde1f1317ec3c944380e0262df33638a9
AgentTesla
c91de651908108a492c93af5470378807f9a2cc8b9ee3de487b816db3cd6f682
AgentTesla
fafe3c7c1660f4baadeaedff9ae0ca32e57407b991f01e5a965e8e19f6c133b1
AgentTesla
+ 15'440 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220218-ssgfescfe2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
def93d9f9c11871974b723710e6d5f599d3cf4044257edbbe19b289a6080d102
MD5 hash:
44edeb629e0222c9099bc3ed14f7ea60
SHA1 hash:
bc30bc83aaf32a2b4c126ebb14239ed070bc5da1
Link:
https://www.unpac.me/results/c1fea934-ba28-4762-a7a7-4c0774387030/
SH256 hash:
2a06066e4609a925af530f558fdfe1113528471e9d5caccbcfb523906c89189e
MD5 hash:
f6e75b4521a6666c5eda479f9477dfba
SHA1 hash:
828729404f70ffa83b560cf59ccc04c500acb4f3
Link:
https://www.unpac.me/results/c1fea934-ba28-4762-a7a7-4c0774387030/
SH256 hash:
e33254e2ad4d279914a29450f98d1750a9f513fc8ddb853e0dd8346b805faa43
MD5 hash:
b597cce7bfc65e56fa69ebb7f413a33f
SHA1 hash:
7ee40df5ac783432e7c9f7be4f7ed1f286345d58
Link:
https://www.unpac.me/results/c1fea934-ba28-4762-a7a7-4c0774387030/
SH256 hash:
8ea12aaf22a78e896665fd465e412646a84637a80eb4efd8b0ff632628bcd48f
MD5 hash:
9502320bd5381b5beb52bea575c5bc62
SHA1 hash:
2ef4dea1ffc0f624447deb0f31b85487c7abe4ba
Link:
https://www.unpac.me/results/c1fea934-ba28-4762-a7a7-4c0774387030/
SH256 hash:
6ffc8cbbd4335b8ee1487f406295eac8080bf080e0e266743166adc79a9f1950
MD5 hash:
9a0c99f9f94eef4366fe0d74b7f73681
SHA1 hash:
8b5fb016f36d2b3015ec4d87902f7831c612ea18
Link:
https://www.unpac.me/results/c1fea934-ba28-4762-a7a7-4c0774387030/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6ffc8cbbd433/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/6ffc8cbbd4335b8ee1487f406295eac8080bf080e0e266743166adc79a9f1950

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.

Malspam

AgentTesla

Executable exe 6ffc8cbbd4335b8ee1487f406295eac8080bf080e0e266743166adc79a9f1950

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/242553/

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