MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2fa2a26a2f9ed53878ae4af0c986555f4bd39e41b79058469fb2c5d637bf671d. 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

SHA256 hash: 2fa2a26a2f9ed53878ae4af0c986555f4bd39e41b79058469fb2c5d637bf671d
SHA3-384 hash: 0b0925f97860c65dc375fd178cdedabe07d411e8b62ef79427fd8a9c97d02e85a1b7b76afff10ef1be90ea212c90c719
SHA1 hash: f7dc58d0346e007884d72e593cbb63b71b92e5db
MD5 hash: 81722e362dbcabc8c10ec786ce454224
humanhash: bluebird-cold-low-social
File name:SOA.exe
Download: download sample
Signature AgentTesla
File size:505'344 bytes
First seen:2021-09-14 04:27:46 UTC
Last seen:2021-09-14 05:10:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:94k4DbF53e0IUFLifzhqEjtI+KqPSgnS9HsqRhez84Q:4OLhzVZnYMaezHQ
Threatray 9'797 similar samples on MalwareBazaar
TLSH T1A4B4AD203DFA5129F1B3AFB95EE475869A6FB6232A17E41D145103870B23E81CDD1B3B
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-14 04:30:02 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.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)
Machine Learning detection for sample
Modifies the hosts 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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 482793 Sample: SOA.exe Startdate: 14/09/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected AgentTesla 2->36 38 7 other signatures 2->38 6 SOA.exe 3 2->6         started        9 NXLun.exe 2 2->9         started        11 NXLun.exe 1 2->11         started        process3 file4 24 C:\Users\user\AppData\Local\...\SOA.exe.log, ASCII 6->24 dropped 13 RegSvcs.exe 2 4 6->13         started        18 RegSvcs.exe 6->18         started        20 conhost.exe 9->20         started        22 conhost.exe 11->22         started        process5 dnsIp6 30 mail.citechco.net 203.191.33.181, 49797, 587 CYBERNET-BD-ASGrameenCybernetLtdBangladeshASforloca Bangladesh 13->30 26 C:\Users\user\AppData\Roaming\...26XLun.exe, PE32 13->26 dropped 28 C:\Windows\System32\drivers\etc\hosts, ASCII 13->28 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->40 42 Tries to steal Mail credentials (via file access) 13->42 44 Tries to harvest and steal ftp login credentials 13->44 50 3 other signatures 13->50 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->46 48 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->48 file7 signatures8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-14 02:47:42 UTC
AV detection:
9 of 44 (20.45%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
d4cb3aabaa158b993c1c6cd690bfee927ca18e73d99b75976497ebf768cec0e0
MD5 hash:
db1c203072e6803d6b3d790a5362873b
SHA1 hash:
d0f58569e7c202af64075ae7c525fffa70474c1f
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
SH256 hash:
912391f2bb8c49511e93b0787aa820e9e21c9379beb14e0aae6b833947a37f76
MD5 hash:
562b2cbef9b38feeebbb5ee8cf5aa224
SHA1 hash:
60a51298c5510f6e2aa41cac2ef71da36ede9350
SH256 hash:
2fa2a26a2f9ed53878ae4af0c986555f4bd39e41b79058469fb2c5d637bf671d
MD5 hash:
81722e362dbcabc8c10ec786ce454224
SHA1 hash:
f7dc58d0346e007884d72e593cbb63b71b92e5db
Malware family:
Agent Tesla v3
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
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

Executable exe 2fa2a26a2f9ed53878ae4af0c986555f4bd39e41b79058469fb2c5d637bf671d

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments