MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6d858bcb58f4b8c633ca0ade96170f23b8e064798e0767dedbce11ef7944602. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f6d858bcb58f4b8c633ca0ade96170f23b8e064798e0767dedbce11ef7944602
SHA3-384 hash: 00837550d2a99d1294012ebc3c93df3d8611434de08b17000472bd3c56fe8de07dc5a6c45c2d81122bd99ccbf73a883a
SHA1 hash: 9724e52b8dff0d403ffb6352f9e9ce76d9c3cc67
MD5 hash: 14ec84a4ceceb006baa2fc4e3aca1ba4
humanhash: earth-hamper-may-michigan
File name:SOA.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:924'160 bytes
First seen:2022-04-06 10:07:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:QKz6OMtR54YPRhRKAjHdGAse8cZZwep+Gi2PQp/bS51ZSGnxtsX60TdM21GiKnSd:QKGFRWYPRLRjaH/dBQgeZYo/Tk
Threatray 15'661 similar samples on MalwareBazaar
TLSH T1B515939D722072DFC85BD4729EA81CA8FB6174BB931B4207902715ADDE4D89BCF244F2
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/261190/
Detection(s):
SecuriteInfo.com.Artemis14EC84A4CECE.12020.21288.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/624d668440ce5db9f4199881/reports/ad038033-5b7f-4344-aa08-2d4a186a2752/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/1d70aaf9-4274-4a7d-84fa-20b01c733809
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/971374
Signature
.NET source code contains very large array initializations
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
PE file contains section with special chars
PE file has nameless sections
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: Suspicious Add Scheduled Task From User AppData Temp
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)
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: 603861 Sample: SOA.exe Startdate: 06/04/2022 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 9 other signatures 2->64 7 SOA.exe 5 2->7         started        11 kECjS.exe 4 2->11         started        13 kECjS.exe 2 2->13         started        process3 file4 36 C:\Users\user\AppData\...\AxxuTQatCC.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmpC2D6.tmp, XML 7->38 dropped 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->66 68 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->68 70 Uses schtasks.exe or at.exe to add and modify task schedules 7->70 72 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->72 15 SOA.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        74 Machine Learning detection for dropped file 11->74 76 Injects a PE file into a foreign processes 11->76 22 kECjS.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        signatures5 process6 dnsIp7 40 butterflymotors.com 204.11.58.151, 49755, 49772, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->40 42 mail.butterflymotors.com 15->42 30 C:\Users\user\AppData\Roaming\...\kECjS.exe, PE32 15->30 dropped 32 C:\Windows\System32\drivers\etc\hosts, ASCII 15->32 dropped 34 C:\Users\user\...\kECjS.exe:Zone.Identifier, ASCII 15->34 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 48 Tries to steal Mail credentials (via file / registry access) 15->48 50 Modifies the hosts file 15->50 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->52 26 conhost.exe 20->26         started        44 mail.butterflymotors.com 22->44 54 Tries to harvest and steal ftp login credentials 22->54 56 Tries to harvest and steal browser information (history, passwords, etc) 22->56 28 conhost.exe 24->28         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f6d858bcb58f4b8c633ca0ade96170f23b8e064798e0767dedbce11ef7944602/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-04-06 10:10:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=63mfrpfvr5fyyyz4ucw6sylq6i5y4bshtdqhm7pnxtqr554uiyba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
224bbbc912c40294811c705b9fc49e3a9b88b766d04b46665e40fe0b3ec8cfca
AgentTesla
38083f72bb53d42e0b5c1b12bad8916872e0dd00a30ccd5b900e28481ba5c47d
AgentTesla
43cf99ef6eeef41b54212c4efc1dc64f9a783830ecc22bfd0488321702f59659
AgentTesla
5bbe20646d38c2bb4bc38650649633c5a78522a6ea2f09f04cb6be0f3075544e
AgentTesla
76bfbb524e921f7639ecbb2c7d40e072d5b45aa4b8521a45d82d85f96743afeb
AgentTesla
b4929f7fb874ed756d9a535f255eb29057f5f8bc80ca34471cc3681a20282ec9
AgentTesla
f0a060d7e0bea0121e790c9998cd93c141d66e5126bbc490102d6bf74dd42515
AgentTesla
+ 15'651 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220406-l571ksfcan/
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
Adds Run key to start application
Checks computer location settings
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
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
3d259811f1c398d02b18c2fff5733da2b7069674a1a306ebb41907d91b38e102
MD5 hash:
f97ccde10dd44d95a0f7983037f84eab
SHA1 hash:
d170fab557723af6fe98437f11d2f4afcb17fdb5
Link:
https://www.unpac.me/results/e68b261a-c62e-475e-9893-5f3573c4523c/
SH256 hash:
89983aee470d28a10003886a54a1c8c289bdd23e0465f293538e05b6f5e69d3c
MD5 hash:
b8eed7696d762fe28cb33845c53d7012
SHA1 hash:
b08adcd60748d237c2ecde690125ea23d6138a30
Link:
https://www.unpac.me/results/e68b261a-c62e-475e-9893-5f3573c4523c/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/e68b261a-c62e-475e-9893-5f3573c4523c/
SH256 hash:
f6d858bcb58f4b8c633ca0ade96170f23b8e064798e0767dedbce11ef7944602
MD5 hash:
14ec84a4ceceb006baa2fc4e3aca1ba4
SHA1 hash:
9724e52b8dff0d403ffb6352f9e9ce76d9c3cc67
Link:
https://www.unpac.me/results/e68b261a-c62e-475e-9893-5f3573c4523c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/f6d858bcb58f4b8c633ca0ade96170f23b8e064798e0767dedbce11ef7944602

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 f6d858bcb58f4b8c633ca0ade96170f23b8e064798e0767dedbce11ef7944602

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/261190/

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