MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3f5b91bd4a07b58d11c41839a3f00c55767e5529fb205310f2a5581ab5139bd. 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: c3f5b91bd4a07b58d11c41839a3f00c55767e5529fb205310f2a5581ab5139bd
SHA3-384 hash: 9a9d6389853b35a54ab81b70bcc297cec06c6fedbd2fa6862edf0161a27a3abf5a6de1a44d53a97f39aca737e3eb3d60
SHA1 hash: 69881b72de594b0e8f6cbc5e8f2e4c3226e5f7f2
MD5 hash: 51bde58d9bc8a6d512826e9af7b726e2
humanhash: seventeen-kansas-north-mobile
File name:Shipping documents.exe
Download: download sample
Signature AgentTesla
File size:1'165'312 bytes
First seen:2022-05-10 11:23:51 UTC
Last seen:2022-05-10 11:50:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:T/ipfxt7J0a45eOpoZRECmXznhBRP+ilISeCDvUtDd95rYSZmqrkeJUDd5c22e3s:zG2a9ORnhzP+ineivUR95XZc
Threatray 17'173 similar samples on MalwareBazaar
TLSH T1864528987254F9DEC81BD076CA685CF0AA207C6AC31B820B50173D9DB97D683DF219B7
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 f26efec4b6c2c00c (24 x AgentTesla, 14 x Loki, 12 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Shipping documents.exe
Verdict:
Malicious activity
Analysis date:
2022-05-10 11:29:12 UTC
Tags:
agenttesla

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
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)
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 623793 Sample: Shipping documents.exe Startdate: 10/05/2022 Architecture: WINDOWS Score: 100 68 Malicious sample detected (through community Yara rule) 2->68 70 Multi AV Scanner detection for dropped file 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 9 other signatures 2->74 7 Shipping documents.exe 7 2->7         started        11 BGQJU.exe 2->11         started        13 BGQJU.exe 2->13         started        process3 file4 44 C:\Users\user\AppData\Roaming\jEmjjiXy.exe, PE32 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmp407B.tmp, XML 7->46 dropped 48 C:\Users\user\...\Shipping documents.exe.log, ASCII 7->48 dropped 76 Adds a directory exclusion to Windows Defender 7->76 78 Injects a PE file into a foreign processes 7->78 15 Shipping documents.exe 2 5 7->15         started        20 powershell.exe 25 7->20         started        22 schtasks.exe 1 7->22         started        30 3 other processes 7->30 80 Multi AV Scanner detection for dropped file 11->80 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->82 84 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->84 24 BGQJU.exe 11->24         started        26 powershell.exe 11->26         started        28 schtasks.exe 11->28         started        signatures5 process6 dnsIp7 50 us2.smtp.mailhostbox.com 162.222.225.16, 49768, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->50 52 192.168.2.1 unknown unknown 15->52 40 C:\Users\user\AppData\Roaming\...\BGQJU.exe, PE32 15->40 dropped 42 C:\Users\user\...\BGQJU.exe:Zone.Identifier, ASCII 15->42 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->56 58 Moves itself to temp directory 15->58 60 Tries to steal Mail credentials (via file / registry access) 15->60 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->62 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        54 208.91.198.46, 49776, 587 PUBLIC-DOMAIN-REGISTRYUS United States 24->54 64 Tries to harvest and steal ftp login credentials 24->64 66 Tries to harvest and steal browser information (history, passwords, etc) 24->66 36 conhost.exe 26->36         started        38 conhost.exe 28->38         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-10 08:55:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
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
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
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:
13b82cc0655c2f0a697fb9b725d0deafe875b41cf9f32f26e2559d9f8c00e943
MD5 hash:
5fb1164eb16c1404fd34b50754f09b98
SHA1 hash:
e7ff25e7f18b3f3fd4cbdde0be82c21aea3b60e7
SH256 hash:
85edd29dac5d61a682d5a1c88ba97eaa75c95256cf3587d3aef05a505a43c589
MD5 hash:
50cc7a3673e34227a9d0919690c7af5e
SHA1 hash:
73e2df906e559f4aaaf18d8cacc7cf4ac0ea2d6f
SH256 hash:
79817fc4e0bfc950cc6db06266b057ca8812ea91fd5887cf5babbd34a069297b
MD5 hash:
6b23367e7c9b997ffe7db2d4110e0f42
SHA1 hash:
2acf10a60325e83729e212b7bd4b339c166f01b2
SH256 hash:
3694df36c212e4773798d63e96bd29f9c3d582208b625715cd80f9e5ad806a4c
MD5 hash:
df5d0dfc9c4fca67f349ba1c570a2eab
SHA1 hash:
167775da34fb025550ad32da573f371017fc7a06
SH256 hash:
c3f5b91bd4a07b58d11c41839a3f00c55767e5529fb205310f2a5581ab5139bd
MD5 hash:
51bde58d9bc8a6d512826e9af7b726e2
SHA1 hash:
69881b72de594b0e8f6cbc5e8f2e4c3226e5f7f2
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.

Malspam

AgentTesla

Executable exe c3f5b91bd4a07b58d11c41839a3f00c55767e5529fb205310f2a5581ab5139bd

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments