MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b21c2bec0bcf3df0a9d83d5c3e708d0a9590b8a5bf85371d9a826d7bba3b457. 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: 1b21c2bec0bcf3df0a9d83d5c3e708d0a9590b8a5bf85371d9a826d7bba3b457
SHA3-384 hash: 85506cf013da19a6e8345c1d27cb4243bdc90fdec033f74e66f71e497f2cd6398a789a930e11584965e92327c690d14b
SHA1 hash: d57527747d01bbfa58f55881467d342c124afbb0
MD5 hash: 2e2755f000bb9f87f7c076d39ffffb3d
humanhash: black-eleven-virginia-lithium
File name:hesaphareketi-01.exe
Download: download sample
Signature AgentTesla
File size:674'816 bytes
First seen:2023-06-23 11:31:15 UTC
Last seen:2023-06-23 13:11:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:NKk54/mNUAnq6fOrk2Jn0nAc0Czb2t9fT3dRj1qmsoeARZlut7no3s:kk54/QUCmA2mA7gmlemA7no3
Threatray 74 similar samples on MalwareBazaar
TLSH T15CE412EE72C40ED6F1689F300DA17238537929455350AEB98E82F9D93E91B120473EEF
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 e4ccccccd4c4cccc (10 x Formbook, 10 x AgentTesla, 5 x Loki)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
272
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
hesaphareketi-01.exe
Verdict:
Malicious activity
Analysis date:
2023-06-23 11:33:12 UTC
Tags:
n/a

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
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
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
Contains functionality to register a low level keyboard hook
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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 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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 893440 Sample: hesaphareketi-01.exe Startdate: 23/06/2023 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 5 other signatures 2->61 7 hesaphareketi-01.exe 7 2->7         started        11 UfBZHKel.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\Roaming\UfBZHKel.exe, PE32 7->35 dropped 37 C:\Users\...\UfBZHKel.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmpD5F5.tmp, XML 7->39 dropped 41 C:\Users\user\...\hesaphareketi-01.exe.log, CSV 7->41 dropped 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->63 65 May check the online IP address of the machine 7->65 67 Contains functionality to register a low level keyboard hook 7->67 75 2 other signatures 7->75 13 hesaphareketi-01.exe 15 7 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 19 7->19         started        21 schtasks.exe 1 7->21         started        69 Multi AV Scanner detection for dropped file 11->69 71 Machine Learning detection for dropped file 11->71 73 Injects a PE file into a foreign processes 11->73 23 UfBZHKel.exe 11->23         started        25 schtasks.exe 11->25         started        signatures5 process6 dnsIp7 43 mail.redseatransportuae.com 74.220.219.174, 49700, 49704, 49705 UNIFIEDLAYER-AS-1US United States 13->43 45 api4.ipify.org 104.237.62.211, 443, 49699 WEBNXUS United States 13->45 53 2 other IPs or domains 13->53 77 Installs a global keyboard hook 13->77 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        47 173.231.16.76, 443, 49703 WEBNXUS United States 23->47 49 192.168.2.1 unknown unknown 23->49 51 api.ipify.org 23->51 79 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->79 81 Tries to steal Mail credentials (via file / registry access) 23->81 83 Tries to harvest and steal browser information (history, passwords, etc) 23->83 33 conhost.exe 25->33         started        signatures8 process9
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2023-06-23 04:00:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
672f29bf9377ca19386cb60f62c46e8bd91e7cbc7512486001e47d2a66bf5673
MD5 hash:
de345c20d593b0c2dbdf401269ff0db8
SHA1 hash:
db88bd6b480ab601aa0b93195999c3dfe0b9dca0
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
SH256 hash:
973512f00ba81a790d2351f286c79dfea92692c9f7cd724e22ab11ff282f8130
MD5 hash:
3794c5f7b240e4184d6ea90c5bdd9ec6
SHA1 hash:
26b9c4a753779b4994fe38c16dfe70b07efd3e0d
SH256 hash:
1b21c2bec0bcf3df0a9d83d5c3e708d0a9590b8a5bf85371d9a826d7bba3b457
MD5 hash:
2e2755f000bb9f87f7c076d39ffffb3d
SHA1 hash:
d57527747d01bbfa58f55881467d342c124afbb0
Malware family:
AgentTesla.v4
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 1b21c2bec0bcf3df0a9d83d5c3e708d0a9590b8a5bf85371d9a826d7bba3b457

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments