MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61d404fca3e77c9da77c817cf0e35541e15ea11350f6068d22e33a03a28a5e35. 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 4 File information Comments

SHA256 hash: 61d404fca3e77c9da77c817cf0e35541e15ea11350f6068d22e33a03a28a5e35
SHA3-384 hash: 9150bf74e0d8a88b324997690e4b945ee6397532a4207ecbfd96db176744a78172ef9af2855d4d5a1d0daa69d090fc0b
SHA1 hash: 35012ed49dde2234c2f83a52b42d900422b859ef
MD5 hash: d04df5cc3dbf1b9bcb9e8272bb28d3ee
humanhash: uranus-carolina-cardinal-robin
File name:Request for quotation.pdf.exe
Download: download sample
Signature AgentTesla
File size:484'352 bytes
First seen:2022-06-20 10:48:26 UTC
Last seen:2022-06-20 11:58:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'660 x Formbook, 12'251 x SnakeKeylogger)
ssdeep 12288:sDlJWr5assuQzffVDaorLwhAM528YEFX8+R4JkGk:sDj2assu4HVpvw68j4Jk
Threatray 18'268 similar samples on MalwareBazaar
TLSH T104A4124435B99761C07B6BF560F785989BF2C836D822FA8C8CC541EE18B9F989B44F07
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d4aae8cce8b296cc (16 x AgentTesla, 10 x Loki, 7 x FormBook)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
50%
Tags:
packed
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
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 648800 Sample: Request for quotation.pdf.exe Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected AgentTesla 2->37 39 7 other signatures 2->39 6 Jsjhzck.exe 3 2->6         started        9 Request for quotation.pdf.exe 3 2->9         started        12 Jsjhzck.exe 2 2->12         started        process3 file4 41 Multi AV Scanner detection for dropped file 6->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->45 14 Jsjhzck.exe 6 6->14         started        25 C:\...\Request for quotation.pdf.exe.log, ASCII 9->25 dropped 47 Injects a PE file into a foreign processes 9->47 18 Request for quotation.pdf.exe 2 9 9->18         started        signatures5 process6 dnsIp7 27 mail.fairtex.com.ng 14->27 49 Tries to harvest and steal ftp login credentials 14->49 51 Tries to harvest and steal browser information (history, passwords, etc) 14->51 53 Installs a global keyboard hook 14->53 29 fairtex.com.ng 136.243.106.163, 49776, 49793, 49857 HETZNER-ASDE Germany 18->29 31 mail.fairtex.com.ng 18->31 21 C:\Users\user\AppData\Roaming\...\Jsjhzck.exe, PE32 18->21 dropped 23 C:\Users\user\...\Jsjhzck.exe:Zone.Identifier, ASCII 18->23 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->55 57 Tries to steal Mail credentials (via file / registry access) 18->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->59 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-20 08:05:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 41 (48.78%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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:
6de8bc7d4844efdb55328126b632a374bee9aaf3073cf9ca5fe5fdf303106f8e
MD5 hash:
7ce2d10bd0f02667bc0e1343d9ffc1c1
SHA1 hash:
c3a5b4e5721085022eb7bf0008b7e449f9369fcf
SH256 hash:
d375f92fa9776f4d323e68237bbaeb82c1d9b52b6882325251e2c4aa7627ce6a
MD5 hash:
f7e72b9fe8d8674e2d1f0b45ea211c49
SHA1 hash:
8362d4bfc971707cd947010b794a2cd09012d049
SH256 hash:
10ac7295900ab685de440183a9149866f005700a04f5a9243c2217da8d3d9af0
MD5 hash:
07c8dbb91158e87a7cd64dcadf432975
SHA1 hash:
73737cf5d2000c0635cccdae6cbcfafe82d2b7c5
SH256 hash:
1b3c0dfdb91e509cf19dc0d5fe6014dfbf3101849f55e4164e994c8862a3e492
MD5 hash:
516f3ded995ee78dff706e202bdb823f
SHA1 hash:
04417d3d6e2eedbbbc9a05f401d5aae73850e5da
SH256 hash:
61d404fca3e77c9da77c817cf0e35541e15ea11350f6068d22e33a03a28a5e35
MD5 hash:
d04df5cc3dbf1b9bcb9e8272bb28d3ee
SHA1 hash:
35012ed49dde2234c2f83a52b42d900422b859ef
Malware family:
AgentTesla.v3
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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
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.

Malspam

AgentTesla

Executable exe 61d404fca3e77c9da77c817cf0e35541e15ea11350f6068d22e33a03a28a5e35

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments