MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77a83d617d2da5ccc4b28ff28f5f33d88bf2812abb797f959926f3d344c35cf9. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments

SHA256 hash: 77a83d617d2da5ccc4b28ff28f5f33d88bf2812abb797f959926f3d344c35cf9
SHA3-384 hash: 66fd1c2e0aaa120a3b6f6bfef958e8a27bf7d830378fe5973fd3bbaed42139cef246adfafe127b623033ffab745acfaf
SHA1 hash: 5ae9f31c3555310af44e955b94a930effb462ee7
MD5 hash: b3bb99c39b78140d5055c94da884e095
humanhash: robert-december-wyoming-rugby
File name:remittance details..exe
Download: download sample
Signature AgentTesla
File size:696'320 bytes
First seen:2023-09-18 07:20:29 UTC
Last seen:2023-09-18 20:00:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:/YsAfDuHOXS/50RB3gQgWTxg9I3Xi4Ss1aXEEcWJKwdy:/YsgccywmO3/1aXEBJ
Threatray 5'770 similar samples on MalwareBazaar
TLSH T16BE401833178960BE63506F8251517624BB4E79A6A13F2984DF070CE87EDBC1C352BE7
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
319
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
remittance details..exe
Verdict:
Malicious activity
Analysis date:
2023-09-18 11:32:27 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
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade 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
Found malware configuration
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
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: 1309827 Sample: remittance_details..exe Startdate: 18/09/2023 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Found malware configuration 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 6 other signatures 2->43 7 remittance_details..exe 7 2->7         started        11 qadeCkRGL.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\Roaming\qadeCkRGL.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\Temp\tmp4CE.tmp, XML 7->33 dropped 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->45 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 Adds a directory exclusion to Windows Defender 7->49 13 remittance_details..exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        51 Multi AV Scanner detection for dropped file 11->51 53 Machine Learning detection for dropped file 11->53 55 Injects a PE file into a foreign processes 11->55 21 qadeCkRGL.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 35 MAIL.elec-qatar.com 50.87.139.143, 49709, 49710, 587 UNIFIEDLAYER-AS-1US United States 13->35 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->57 59 Tries to steal Mail credentials (via file / registry access) 21->59 61 Tries to harvest and steal browser information (history, passwords, etc) 21->61 29 conhost.exe 23->29         started        signatures8 process9
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-18 01:18:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
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 WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
4a8d70ece798fb6955e46bdb4b4813924a3bbcf205e585fd0aef148123a44489
MD5 hash:
3bcd5e9d69da03ebe27b9c2e472d9e8d
SHA1 hash:
aa268bd00ed60a5907b4b2a669ddd21a1b8bb4da
SH256 hash:
784d4e0af30bcca58d54f86b6966e1c147bcc194a99126ebe79538e9084f6d80
MD5 hash:
5caf74e6818e40e82651781613a42425
SHA1 hash:
2a182b1552373e0907bfd03db31120596df994d0
SH256 hash:
0890422d5bd8a02bc4aeed532ce8236aef960329211e4a7e7a790facb8ef1f7f
MD5 hash:
0b63a6fcb87ee4e528a74a3f017b283b
SHA1 hash:
1904edb82a4e1898e259906ffc14a8306e4b3446
SH256 hash:
77a83d617d2da5ccc4b28ff28f5f33d88bf2812abb797f959926f3d344c35cf9
MD5 hash:
b3bb99c39b78140d5055c94da884e095
SHA1 hash:
5ae9f31c3555310af44e955b94a930effb462ee7
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: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 77a83d617d2da5ccc4b28ff28f5f33d88bf2812abb797f959926f3d344c35cf9

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments