MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf89df9f3a9434f748f75384d52d9eb10d1ae7c0f95faddbdbe2cfd98e0b1da8. 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 2 File information Comments

SHA256 hash: bf89df9f3a9434f748f75384d52d9eb10d1ae7c0f95faddbdbe2cfd98e0b1da8
SHA3-384 hash: 162f04f81466a63939dc3cc0cb2e164a3d321ebbe7c5193a7c2650b6bc90424300a0b7a32469c98a0ca3e2a865a3e01d
SHA1 hash: 243d8b307e27b7b7055fa3938336b77d20b50901
MD5 hash: 78f344f6c6b3b72c0cb00aad5be0e396
humanhash: bulldog-salami-timing-carbon
File name:SOA of Apr.exe
Download: download sample
Signature AgentTesla
File size:524'288 bytes
First seen:2023-04-25 15:34:27 UTC
Last seen:2023-05-13 22:57:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:25rr62iNf4mcqWFDFSO5o/bGXt2u4+rIDgAnjq:2A1uvI84aA
Threatray 2'304 similar samples on MalwareBazaar
TLSH T1BBB46A2DA9EE89FAD134F1B6CEB98861F5A7D56372518D3955EB02444203EC336C02BF
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
252
Origin country :
CH CH
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd.exe 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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
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)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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 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: 853815 Sample: SOA_of_Apr.exe Startdate: 25/04/2023 Architecture: WINDOWS Score: 100 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus / Scanner detection for submitted sample 2->72 74 8 other signatures 2->74 7 SOA_of_Apr.exe 6 2->7         started        11 AUuxAAGYVd.exe 5 2->11         started        13 SIqmq.exe 5 2->13         started        15 SIqmq.exe 2->15         started        process3 file4 48 C:\Users\user\AppData\...\AUuxAAGYVd.exe, PE32 7->48 dropped 50 C:\Users\user\AppData\Local\...\tmp3286.tmp, XML 7->50 dropped 52 C:\Users\user\AppData\...\SOA_of_Apr.exe.log, ASCII 7->52 dropped 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->84 86 May check the online IP address of the machine 7->86 88 Uses schtasks.exe or at.exe to add and modify task schedules 7->88 17 SOA_of_Apr.exe 17 10 7->17         started        22 schtasks.exe 1 7->22         started        90 Antivirus detection for dropped file 11->90 92 Multi AV Scanner detection for dropped file 11->92 94 Machine Learning detection for dropped file 11->94 24 AUuxAAGYVd.exe 11->24         started        26 schtasks.exe 11->26         started        96 Injects a PE file into a foreign processes 13->96 28 SIqmq.exe 13->28         started        30 schtasks.exe 13->30         started        32 SIqmq.exe 15->32         started        34 schtasks.exe 15->34         started        signatures5 process6 dnsIp7 54 wecaresvc.com 103.138.106.17, 49700, 49701, 49704 ABOVE-AS-APAboveNetCommunicationsTaiwanTW Taiwan; Republic of China (ROC) 17->54 56 mail.wecaresvc.com 17->56 60 2 other IPs or domains 17->60 44 C:\Users\user\AppData\Roaming\...\SIqmq.exe, PE32 17->44 dropped 46 C:\Users\user\...\SIqmq.exe:Zone.Identifier, ASCII 17->46 dropped 76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->76 78 Tries to steal Mail credentials (via file / registry access) 17->78 80 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->80 36 conhost.exe 22->36         started        62 2 other IPs or domains 24->62 82 Tries to harvest and steal browser information (history, passwords, etc) 24->82 38 conhost.exe 26->38         started        58 mail.wecaresvc.com 28->58 64 2 other IPs or domains 28->64 40 conhost.exe 30->40         started        66 3 other IPs or domains 32->66 42 conhost.exe 34->42         started        file8 signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-04-24 08:33:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 22 (81.82%)
Threat level:
  2/5
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 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
Looks up external IP address via web service
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:
eb7ec97bce492796153cc2cd8f7359532584eea8489ec9c8a7a8ae70aff46a01
MD5 hash:
12d0255db9d2d69f68ae70ae1b192876
SHA1 hash:
d0adad3dab739abad767ebdfcbf4ade09e819356
SH256 hash:
ea8d4c91ec5bba5e1db6c17730d7ba5cdbb5ff3c1a777f70c90e91ce599d9b5d
MD5 hash:
27f5124bf8f451bca8d8a15c73c4f521
SHA1 hash:
5fd557e109b8fd1c3b362b64f0ba9f1600c07211
SH256 hash:
bf89df9f3a9434f748f75384d52d9eb10d1ae7c0f95faddbdbe2cfd98e0b1da8
MD5 hash:
78f344f6c6b3b72c0cb00aad5be0e396
SHA1 hash:
243d8b307e27b7b7055fa3938336b77d20b50901
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.

Malspam

AgentTesla

Executable exe bf89df9f3a9434f748f75384d52d9eb10d1ae7c0f95faddbdbe2cfd98e0b1da8

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments