MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb47c3ff75a2746411df8539d2279f1a15e0e74cb460d9ebd8d9e38347dab36e. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: cb47c3ff75a2746411df8539d2279f1a15e0e74cb460d9ebd8d9e38347dab36e
SHA3-384 hash: b844cf779ece88450941538e30fb2a1f06b3594120079f2aab49766c407c9241dab949407dd103c0341582bb5f818d9b
SHA1 hash: 8e67c4104866b9b29eb32d6fc0bd66084c4660e4
MD5 hash: c7ed0b6e9059b5755210e1a56a48934b
humanhash: lemon-alanine-red-carolina
File name:yup.exe
Download: download sample
Signature AgentTesla
File size:716'800 bytes
First seen:2022-04-20 13:49:32 UTC
Last seen:2022-04-21 08:05:56 UTC
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:Ay8nMrWFkWHnj5nm+wB5NmrNm2/f+C/TPZ9wWCZ9eFtcFOQgTtmYcC5POCz3s40M:AuWFkF+wqku+28Z9eFtcFOhxmYcC5LDH
Threatray 16'577 similar samples on MalwareBazaar
TLSH T10CE4E19C326072EEC86BC472DEA86C78BA61747B531F9307A01705AD9E5D85BCF250B3
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
https://bazaar.abuse.ch/download/cb47c3ff75a2746411df8539d2279f1a15e0e74cb460d9ebd8d9e38347dab36e/
Verdict:
Malicious activity
Analysis date:
2022-04-20 13:52:06 UTC
Tags:
agenttesla

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

Behaviour
Searching for the window
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed update.exe
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 612169 Sample: yup.exe Startdate: 20/04/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AgentTesla 2->47 49 5 other signatures 2->49 6 yup.exe 3 2->6         started        10 AheGmkp.exe 3 2->10         started        12 AheGmkp.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\Local\...\yup.exe.log, ASCII 6->25 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->53 55 Injects a PE file into a foreign processes 6->55 57 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 6->57 14 yup.exe 2 5 6->14         started        59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 19 AheGmkp.exe 2 10->19         started        21 AheGmkp.exe 2 12->21         started        23 AheGmkp.exe 12->23         started        signatures5 process6 dnsIp7 31 us2.smtp.mailhostbox.com 162.222.225.16, 49751, 49761, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->31 27 C:\Users\user\AppData\Roaming\...\AheGmkp.exe, PE32 14->27 dropped 29 C:\Users\user\...\AheGmkp.exe:Zone.Identifier, ASCII 14->29 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file / registry access) 14->35 37 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->37 39 Tries to harvest and steal ftp login credentials 21->39 41 Tries to harvest and steal browser information (history, passwords, etc) 21->41 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-20 12:51:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
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
AgentTesla
Unpacked files
SH256 hash:
9646d39eb158e9402c2e44434ca794c1cb29949fe35ef682f4d90d76f4ba0f4b
MD5 hash:
0a2342590068e20cfaf0ee5fa9cf740b
SHA1 hash:
f8fdb7951c1e59dcb7a3165602d28ad3359a1fdb
SH256 hash:
e649e0d6c577aac4d57e7093d75b1dafcbf641f62110d177a9286749846ddc43
MD5 hash:
ecb7908b31c84e773559219d97756922
SHA1 hash:
ec70bff9e7e0f25b35e99a197a493b41b7553022
SH256 hash:
5df8f31d129620873a6fb148cef6fe816d6162b05a41e47dc80f9f4d2d412095
MD5 hash:
b94d6d6e336bfea13001e7adbfb3ae63
SHA1 hash:
470ed71559dbdc08532f3efedb385b48e837dae4
SH256 hash:
a030475f6e53000f705de04551e95b32153a38cebe9f51b57e4012bd7ca70180
MD5 hash:
fffb8d5979d3faad08a44ad7a5b956cc
SHA1 hash:
3a34e5d01dd14b46deedde827242135f15515048
SH256 hash:
cb47c3ff75a2746411df8539d2279f1a15e0e74cb460d9ebd8d9e38347dab36e
MD5 hash:
c7ed0b6e9059b5755210e1a56a48934b
SHA1 hash:
8e67c4104866b9b29eb32d6fc0bd66084c4660e4
Malware family:
AgentTesla
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments