MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87842de4028995d4271968369c9109b5fc6fd0b78701995ff191b2d36d8b0318. 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: 87842de4028995d4271968369c9109b5fc6fd0b78701995ff191b2d36d8b0318
SHA3-384 hash: 81df9ce7a0eb0ab846997c56393a57f40c1a4c9be5d984686995668f538ffadf416563293947b3855e3fcb025549c419
SHA1 hash: f13176ba806416016e536ff3a507297f2fbaed14
MD5 hash: 4df9db55f8528dfbfb47d277f5783d68
humanhash: ack-speaker-purple-yankee
File name:4df9db55f8528dfbfb47d277f5783d68.exe
Download: download sample
Signature AgentTesla
File size:824'320 bytes
First seen:2022-08-17 06:49:02 UTC
Last seen:2022-08-17 09:35:37 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:I6axLxAaYBFM2TgY9Hb9uN+EaQofo50TyYqNN4tRgRrePaGyaPdHW2hhCdSTE+bq:eAbBDgYNBi+VQofo+NQv
TLSH T12C05179D3654718ECC27E972CDAA1CA4AAA0BC765F0BF25F501331998A2C59FCF0C5B1
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)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Quotation Request.xlsx
Verdict:
Malicious activity
Analysis date:
2022-08-17 06:22:02 UTC
Tags:
encrypted exploit CVE-2017-11882 loader 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
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  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 method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code contains very large strings
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-17 06:50:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
AgentTesla
Unpacked files
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
SH256 hash:
c5c66c53d7fb74887a2543631b754789a09020f07d4bc21c979f96fd41374722
MD5 hash:
ee42f05a15045f5bda7e36de8444528d
SHA1 hash:
570c3a2632ef6b18de03c826b288a7a2ae0471e4
SH256 hash:
179a0b78414589ab4cfacb43b01a7d6052d26d1bc827be936c4e2af27fb7b6b2
MD5 hash:
a7de35f4cc85eeb9078497244cd11ec6
SHA1 hash:
4c20ebb4215601f793259a55a03f53709f6abf01
SH256 hash:
87842de4028995d4271968369c9109b5fc6fd0b78701995ff191b2d36d8b0318
MD5 hash:
4df9db55f8528dfbfb47d277f5783d68
SHA1 hash:
f13176ba806416016e536ff3a507297f2fbaed14
Malware family:
AgentTesla.v3
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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.

Web download

AgentTesla

Executable exe 87842de4028995d4271968369c9109b5fc6fd0b78701995ff191b2d36d8b0318

(this sample)

  
Delivery method
Distributed via web download

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