MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a71ab993f1473361fb74e378e0a2983d904b3fede85849ded23426c4b9e80339. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: a71ab993f1473361fb74e378e0a2983d904b3fede85849ded23426c4b9e80339
SHA3-384 hash: 20ab3a5d5c31595e37fc3a2afbe655c17166231f69d777dd7236e40f43c17c98475b4e47b458675dadea9c3a2cdced43
SHA1 hash: afdad4b0d85fbadd0cfc214ed13cb85640805756
MD5 hash: 022b804985fc3bc1857b8587e4330a74
humanhash: kitten-whiskey-cup-kansas
File name:BANK RECEIPT.exe
Download: download sample
Signature AgentTesla
File size:662'528 bytes
First seen:2023-09-04 08:44:59 UTC
Last seen:2023-09-04 08:47:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:YuC0h+bLrAB2wfM+vrFGtVKA/EhV/FVGr2zoZxOmeXya8tvc:YJS+bLrO2wfMy8tVKiEhV/FVE2EZQme5
Threatray 1'684 similar samples on MalwareBazaar
TLSH T11FE4120126663F63E4BAABF405016E4143F8790BA570D22D8DE127F739A4F993627F4B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon acac0001000001a2 (15 x AgentTesla, 4 x SnakeKeylogger, 1 x Formbook)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
259
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
BANK RECEIPT.exe
Verdict:
Malicious activity
Analysis date:
2023-09-04 08:46:51 UTC
Tags:
agenttesla stealer

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
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
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 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: 1302733 Sample: BANK_RECEIPT.exe Startdate: 04/09/2023 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 64 8 other signatures 2->64 7 BANK_RECEIPT.exe 7 2->7         started        11 VpfPpsKULlYyB.exe 5 2->11         started        13 eqGrE.exe 2->13         started        15 eqGrE.exe 2->15         started        process3 file4 46 C:\Users\user\AppData\...\VpfPpsKULlYyB.exe, PE32 7->46 dropped 48 C:\Users\user\AppData\Local\...\tmpE8AF.tmp, XML 7->48 dropped 76 Uses schtasks.exe or at.exe to add and modify task schedules 7->76 78 Adds a directory exclusion to Windows Defender 7->78 17 RegSvcs.exe 2 4 7->17         started        22 powershell.exe 21 7->22         started        24 powershell.exe 21 7->24         started        26 schtasks.exe 1 7->26         started        80 Antivirus detection for dropped file 11->80 82 Multi AV Scanner detection for dropped file 11->82 84 Machine Learning detection for dropped file 11->84 28 RegSvcs.exe 11->28         started        30 schtasks.exe 11->30         started        32 conhost.exe 13->32         started        34 conhost.exe 15->34         started        signatures5 process6 dnsIp7 50 taxrefunds.co.za 41.76.108.142, 49707, 49708, 587 DIAMATRIXZA South Africa 17->50 52 192.168.2.1 unknown unknown 17->52 54 mail.taxrefunds.co.za 17->54 44 C:\Users\user\AppData\Roaming\...\eqGrE.exe, PE32 17->44 dropped 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->68 70 Tries to steal Mail credentials (via file / registry access) 17->70 36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        56 mail.taxrefunds.co.za 28->56 72 Tries to harvest and steal browser information (history, passwords, etc) 28->72 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->74 42 conhost.exe 30->42         started        file8 signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-08-29 14:22:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
28 of 38 (73.68%)
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
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
ebaf28744bfa555219d56440db49703efd0e1757e3e219eef119725b4f0090d5
MD5 hash:
13574c506380e6ec0da25e442099b8e4
SHA1 hash:
9900c86a1bb5a605e34de9a4167aa3b93225ec33
SH256 hash:
0ea8ba60abdcf0df2eec2cf9f1173a926635dafff4168e112652556ca0228cf4
MD5 hash:
d562a8916081a414d194da3292bd1e8b
SHA1 hash:
628f6027a11309fbf9e1aec5491eb475d14cdab7
SH256 hash:
a71ab993f1473361fb74e378e0a2983d904b3fede85849ded23426c4b9e80339
MD5 hash:
022b804985fc3bc1857b8587e4330a74
SHA1 hash:
afdad4b0d85fbadd0cfc214ed13cb85640805756
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:NET
Author:malware-lu
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 a71ab993f1473361fb74e378e0a2983d904b3fede85849ded23426c4b9e80339

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments