MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc76fdba445e9a94c3b07ebed63997fa04b83e2b1ee9a3a141fd73335fcde9ef. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc76fdba445e9a94c3b07ebed63997fa04b83e2b1ee9a3a141fd73335fcde9ef
SHA3-384 hash: ae55ccd06cef721e673c9f4d8760333bf87c15a880ed188459cccc9e2547a9d959c87571c127fa37fe67e9089ea20631
SHA1 hash: 93b7023c9c3facb09584040896755f86d4aabec3
MD5 hash: 1945f37a8717d2db10a6b89e2875de2f
humanhash: utah-delaware-helium-item
File name:1945f37a8717d2db10a6b89e2875de2f.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:213'504 bytes
First seen:2022-09-22 08:46:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'494 x Formbook, 12'214 x SnakeKeylogger)
ssdeep 6144:U9D1JTurNDzMHXrZ1dHpHCUUFASgYBcB8Rqdu2ZFGpf4nUcde:U9D1JT4DzMHXd1d9eBf4n3
TLSH T162242A7E27907D41C5AE427D4536819423F1A507832AB35FAEA248EE1F036CDF92A7F1
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.rnazel.co:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
1945f37a8717d2db10a6b89e2875de2f.exe
Verdict:
Malicious activity
Analysis date:
2022-09-22 08:47:49 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/83f4ab62-45ce-4b8d-912d-b4cddab67f5c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/312259/
Detection(s):
SecuriteInfo.com.Trojan.PWS.StealerNET.122.22982.19457.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
hacktool packed
Link:
https://www.filescan.io/uploads/632c2149865ed83c011d86e9/reports/11663e19-1531-4f91-bcdc-f9e2190a7e2b/overview
Result
Verdict:
MALICIOUS
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/4cf8fe13-3aa5-46f2-8d39-ffaaa20d30e5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1075119
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped 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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 707661 Sample: lgOBSWxuoU.exe Startdate: 22/09/2022 Architecture: WINDOWS Score: 100 19 smtp.rnazel.co 2->19 21 us2.smtp.mailhostbox.com 2->21 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 3 other signatures 2->41 6 schvhost.exe 4 2->6         started        10 lgOBSWxuoU.exe 2 7 2->10         started        13 schvhost.exe 4 2->13         started        signatures3 process4 dnsIp5 23 smtp.rnazel.co 6->23 25 192.168.2.1 unknown unknown 6->25 43 Antivirus detection for dropped file 6->43 45 Multi AV Scanner detection for dropped file 6->45 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 6->47 49 Machine Learning detection for dropped file 6->49 27 smtp.rnazel.co 10->27 29 us2.smtp.mailhostbox.com 208.91.198.143, 49691, 49693, 49694 PUBLIC-DOMAIN-REGISTRYUS United States 10->29 33 3 other IPs or domains 10->33 15 C:\Users\user\AppData\...\schvhost.exe, PE32 10->15 dropped 17 C:\Users\...\schvhost.exe:Zone.Identifier, ASCII 10->17 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->51 53 Tries to steal Mail credentials (via file / registry access) 10->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->57 31 smtp.rnazel.co 13->31 59 Tries to harvest and steal ftp login credentials 13->59 61 Tries to harvest and steal browser information (history, passwords, etc) 13->61 63 Installs a global keyboard hook 13->63 file6 signatures7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cc76fdba445e9a94c3b07ebed63997fa04b83e2b1ee9a3a141fd73335fcde9ef/
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Create hunting rule
Status:
Malicious
First seen:
2022-09-22 02:46:08 UTC
File Type:
PE (.Net Exe)
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zr3p3osel2njjq5qp27nmomx7iclqprld3u2hikb7vztgx6n5hxq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection persistence spyware stealer
Link:
https://tria.ge/reports/220922-kpwf6sagc8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
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
Malware Config
C2 Extraction:
p=
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/72629b65-ba71-40bb-b303-b33e20cabf59
Unpacked files
SH256 hash:
cc76fdba445e9a94c3b07ebed63997fa04b83e2b1ee9a3a141fd73335fcde9ef
MD5 hash:
1945f37a8717d2db10a6b89e2875de2f
SHA1 hash:
93b7023c9c3facb09584040896755f86d4aabec3
Link:
https://www.unpac.me/results/2c199e61-3f82-4d1f-914c-299df8a39af4/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cc76fdba445e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/cc76fdba445e9a94c3b07ebed63997fa04b83e2b1ee9a3a141fd73335fcde9ef

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:RansomwareTest6
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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.

Web download

AgentTesla

Executable exe cc76fdba445e9a94c3b07ebed63997fa04b83e2b1ee9a3a141fd73335fcde9ef

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2309783/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/312259/

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