MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc8ad11df1192307ecce6b0f449f2a5aeea485be15d98ff4fa9283bc70948e30. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc8ad11df1192307ecce6b0f449f2a5aeea485be15d98ff4fa9283bc70948e30
SHA3-384 hash: e79f4c07434fd9005c0db4fde72bceccfcd029455ec16ee95ae4f711e865c53fba941b6032b91ebaeacfc418d39c5a5d
SHA1 hash: cede4d3d28da58e2c878165b7c21cf9e36ba6452
MD5 hash: 156a582a1d670c85ffa30e7bc1d9ff19
humanhash: fish-victor-single-august
File name:Request Quotation.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:757'248 bytes
First seen:2020-08-14 10:43:32 UTC
Last seen:2020-08-14 12:10:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:dDUnqPpMj0tqnTsM+0CmIeWWsFRemHamKA1CS3gFLpR0xSu:qqPg5nTsM+0Cme/FSA1CS3kP0
Threatray 10'517 similar samples on MalwareBazaar
TLSH 73F4F12F63F1D40EC03BF13D8256D156B2D79D5648A5C71AB98C3AD80E321EA162BDF8
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.environment.go.ke
Sending IP: 41.89.1.174
From: ADMIN <cas@environment.go.ke>
Subject: Request Quotation
Attachment: Request Quotation.rar (contains "Request Quotation.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/45842/
Detection(s):
SecuriteInfo.com.Trojan.Siggen10.4036.18065.22945.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/429498
Signature
Binary contains a suspicious time stamp
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts 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: Scheduled temp file as task from temp location
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 267228 Sample: Request Quotation.exe Startdate: 16/08/2020 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Found malware configuration 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 8 other signatures 2->62 8 Request Quotation.exe 7 2->8         started        11 sRfDVrD.exe 2 2->11         started        13 sRfDVrD.exe 1 2->13         started        process3 file4 36 C:\Users\user\AppData\...\YUQDsNRCwG.exe, PE32 8->36 dropped 38 C:\Users\...\YUQDsNRCwG.exe:Zone.Identifier, ASCII 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpB99C.tmp, XML 8->40 dropped 42 C:\Users\user\...\Request Quotation.exe.log, ASCII 8->42 dropped 15 RegSvcs.exe 2 4 8->15         started        20 schtasks.exe 1 8->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        process5 dnsIp6 44 varda.com.tr 5.2.84.160, 49735, 587 ALASTYRTR Turkey 15->44 46 mail.varda.com.tr 15->46 32 C:\Users\user\AppData\Roaming\...\sRfDVrD.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->50 52 Tries to steal Mail credentials (via file access) 15->52 54 5 other signatures 15->54 26 reg.exe 1 15->26         started        28 conhost.exe 20->28         started        file7 signatures8 process9 process10 30 conhost.exe 26->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cc8ad11df1192307ecce6b0f449f2a5aeea485be15d98ff4fa9283bc70948e30/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-14 10:45:07 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zsfnchprderqp3gonmhujhzkllxkjbn6cxmy75h2skb3y4euryya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'507 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200814-d5gj5zyape/
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/cc8ad11df1192307ecce6b0f449f2a5aeea485be15d98ff4fa9283bc70948e30

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 56d320af797d2bc4fa3f14670c336fa35c07e8e5e7b7395528f390d4264d68e9

AgentTesla

Executable exe cc8ad11df1192307ecce6b0f449f2a5aeea485be15d98ff4fa9283bc70948e30

(this sample)

  
Dropped by
MD5 bc9bc0c6e80b2e27335aa790794b6a01
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45842/
  
Dropped by
SHA256 56d320af797d2bc4fa3f14670c336fa35c07e8e5e7b7395528f390d4264d68e9

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