MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f221098769cefc882d32c42b6f7ee5e28aa699b92b6dec21136ebedb585e56b5. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f221098769cefc882d32c42b6f7ee5e28aa699b92b6dec21136ebedb585e56b5
SHA3-384 hash: 149c08526e726b40e62c320e2e6e80e4e1f8ec7170d767aea62354b6bcfdaec48ff30ab1bd38a9cb5937f02ef6cb3f31
SHA1 hash: 6fb1a44ded04df48922e438b84da014cc672f514
MD5 hash: 8846ed04d291b8015481d91efac6c925
humanhash: missouri-undress-may-yellow
File name:PURCHASE ORDER COPY.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:655'872 bytes
First seen:2020-08-03 06:56:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:q0F/VqxGrb1rOMIHOWHRmD6ZoHvkAN0QDfGYBI:q0ZMxKbxOvRmDsoPV01p
Threatray 10'745 similar samples on MalwareBazaar
TLSH 51D4F146BA50FB45E93E0E354393C2C0861EAD126A02D76FB6D477AFC9B33A51E0116F
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: nivida.biz
Sending IP: 172.104.160.47
From: Li_Wei@saipuao.com
Subject: RE: PURCHASE ORDER COPY
Attachment: PURCHASE ORDER COPY.rar (contains "PURCHASE ORDER COPY.exe")

AgentTesla SMTP exfil server:
mail.travelsapphire.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/37396/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Enabling autorun
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/407311
Signature
.NET source code contains potential unpacker
Creates an undocumented autostart registry key
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 255886 Sample: PURCHASE ORDER COPY.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Yara detected AgentTesla 2->40 42 .NET source code contains potential unpacker 2->42 44 5 other signatures 2->44 7 PURCHASE ORDER COPY.exe 6 2->7         started        process3 file4 28 C:\Users\user\AppData\Local\...\name.exe.lnk, MS 7->28 dropped 30 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 7->30 dropped 10 PURCHASE ORDER COPY.exe 2 7->10         started        14 cmd.exe 3 7->14         started        17 cmd.exe 1 7->17         started        19 cmd.exe 7->19         started        process5 dnsIp6 36 mail.travelsapphire.com 198.38.82.38, 49730, 587 SERVERCENTRALUS United States 10->36 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->48 50 Tries to steal Mail credentials (via file access) 10->50 52 Tries to harvest and steal ftp login credentials 10->52 54 Tries to harvest and steal browser information (history, passwords, etc) 10->54 32 C:\Users\user\AppData\Local\Temp\...\name.exe, PE32 14->32 dropped 34 C:\Users\user\...\name.exe:Zone.Identifier, ASCII 14->34 dropped 21 conhost.exe 14->21         started        23 reg.exe 1 1 17->23         started        26 conhost.exe 17->26         started        file7 signatures8 process9 signatures10 46 Creates an undocumented autostart registry key 23->46
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f221098769cefc882d32c42b6f7ee5e28aa699b92b6dec21136ebedb585e56b5/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 06:58:13 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6iqqtb3jz36iqljsyqvw67xf4kfkngnzfnw6yiitn27nwwc6k22q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'735 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200803-ywhawxdwa6/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
NTFS ADS
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Loads dropped DLL
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
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/f221098769cefc882d32c42b6f7ee5e28aa699b92b6dec21136ebedb585e56b5

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

rar 678cc64dbdc9964c737ae4bd7302c011241ca4c76d23d3eb816fca35587725d0

AgentTesla

Executable exe f221098769cefc882d32c42b6f7ee5e28aa699b92b6dec21136ebedb585e56b5

(this sample)

  
Dropped by
MD5 0de824b221241c2b63d20d3fdea4a0eb
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/37396/
  
Dropped by
SHA256 678cc64dbdc9964c737ae4bd7302c011241ca4c76d23d3eb816fca35587725d0

Comments