MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd1f59f90ff20758cf3b925e4eb7c5a3f4b8b49d2375e2f656f65cde8e2d6aae. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: cd1f59f90ff20758cf3b925e4eb7c5a3f4b8b49d2375e2f656f65cde8e2d6aae
SHA3-384 hash: 2fd0f50fa4d5ef1827f3a4e1f032eb0a4db2db92d147956ea7dbb2f7e0ec25ca7f7df2620927d456066002c460752ef1
SHA1 hash: 05b63b0ed6a91ff0ea4f66b8c375c3913913af77
MD5 hash: 1fbe4b287fa7ba9f14d6864a54308221
humanhash: spaghetti-oregon-coffee-finch
File name:1fbe4b287fa7ba9f14d6864a54308221.exe
Download: download sample
Signature AgentTesla
File size:919'040 bytes
First seen:2022-02-22 08:26:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:MVQNrJ8R7dD6rXE6506/IAFzYKmMRkjil:5J8Rnb6/IA1nl
TLSH T16215CE043AA71F3DF1BA4BB659D0EC64F7A9F3231C09F37E78512196CA52B508D422B6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.jesmedla.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 576213 Sample: tobMAYFwVH.exe Startdate: 22/02/2022 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected AgentTesla 2->36 38 4 other signatures 2->38 6 tobMAYFwVH.exe 3 2->6         started        10 yVsmj.exe 3 2->10         started        12 yVsmj.exe 2 2->12         started        process3 file4 26 C:\Users\user\AppData\...\tobMAYFwVH.exe.log, ASCII 6->26 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->42 14 tobMAYFwVH.exe 2 5 6->14         started        44 Multi AV Scanner detection for dropped file 10->44 46 Machine Learning detection for dropped file 10->46 18 yVsmj.exe 2 10->18         started        20 yVsmj.exe 10->20         started        22 yVsmj.exe 10->22         started        24 yVsmj.exe 12->24         started        signatures5 process6 file7 28 C:\Users\user\AppData\Roaming\...\yVsmj.exe, PE32 14->28 dropped 30 C:\Users\user\...\yVsmj.exe:Zone.Identifier, ASCII 14->30 dropped 48 Moves itself to temp directory 14->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->50 signatures8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-22 08:27:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Drops file in Windows directory
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 Payload
AgentTesla
Unpacked files
SH256 hash:
f7755a32560c931b6c1b6a90a98642604b482079e6d3ca24fe248a87dde77e55
MD5 hash:
66b6f7b00629bf3f444548693a0595a1
SHA1 hash:
ac93ac5a7215e3044efa37d27ca28bddf81874e6
SH256 hash:
26f3a935d9d8c68b0fecc9fe5f2feb4b398554b0a88d67f2b7aab6d5d9aed131
MD5 hash:
0fc8d080d79b37e42b96adfd2c6043ed
SHA1 hash:
7722cc336cea1c98b291e1404a75cc09aca2be0a
SH256 hash:
e3bdaf9e98eb65a070cf4424bc123e57ade151c41e4a0d375e769749155c1715
MD5 hash:
78a25e75b94923e889ecd100349facbe
SHA1 hash:
6b3f8db525d3c98f92ed480e664ab8ee9458340b
SH256 hash:
05a3a259816bea74fc2ea0ce73724f55dc63bad77930dc7b2da84b11775d3575
MD5 hash:
35a787143b95f12a0ccdcb25717278c7
SHA1 hash:
4bd17eb00456648168c1938e7366a9a20322ecdb
SH256 hash:
cd1f59f90ff20758cf3b925e4eb7c5a3f4b8b49d2375e2f656f65cde8e2d6aae
MD5 hash:
1fbe4b287fa7ba9f14d6864a54308221
SHA1 hash:
05b63b0ed6a91ff0ea4f66b8c375c3913913af77
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.

Web download

AgentTesla

Executable exe cd1f59f90ff20758cf3b925e4eb7c5a3f4b8b49d2375e2f656f65cde8e2d6aae

(this sample)

  
Delivery method
Distributed via web download

Comments