MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16687d1c2945be78cbcabfb542520fc4f0a153b820aed024d8dd0032be6a7b0f. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 16687d1c2945be78cbcabfb542520fc4f0a153b820aed024d8dd0032be6a7b0f
SHA3-384 hash: fc7daee8236104803b848201077b807ab2c60def22238a7dae80f6d4ed5ffe4547005e493c868b84b75532eb7811975c
SHA1 hash: 567d6e382d8ec299bfbec98eaa0c1cc6b539c4e3
MD5 hash: a1224527d43f4369e53427cc23d53830
humanhash: quebec-spaghetti-saturn-nebraska
File name:memorandum.exe
Download: download sample
Signature AgentTesla
File size:755'712 bytes
First seen:2021-06-21 06:01:59 UTC
Last seen:2021-06-21 06:50:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:DxJ5DWFHmstLxEKiUBJHvJdmqtpzYEjLFdQh6xvqEjGJLWHhU:Dt8H3cEHvj5HC6BqE
Threatray 5'985 similar samples on MalwareBazaar
TLSH ACF4BF2039EE510DE57BAF781AE436E2967FBE677B07985C24D4234A8723C42CF41939
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
memorandum.exe
Verdict:
No threats detected
Analysis date:
2021-06-21 06:04:41 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
UNKNOWN
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:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found malware configuration
Injects a PE file into a foreign processes
Modifies the hosts file
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)
Sigma detected: MSBuild connects to smtp port
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 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:
2021-06-21 01:55:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
7 of 46 (15.22%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
1c5e0a0d909d1da24af87967a1e154c8aa490a1f99c6624e7214d20eb84f4fec
MD5 hash:
81faf15c7e3c9446d906659f7c7a9f16
SHA1 hash:
d7e05a22b109ce608109dc509029a7fe22b4b8bf
SH256 hash:
2f40dee51c4e98a6eff54db6822d7ba2084f5a6caeb3ae27d3a3e41e4f137521
MD5 hash:
5d3dd32a6d811ac9ecab3b5c500dc766
SHA1 hash:
7fd545a1aaec9f9f015a1318d0255a78e67a4893
SH256 hash:
036619cf689a8ad476cb8fadc7d37d12b94ff09480ed309f1044362a5e85b9a7
MD5 hash:
ff5bcf43a97a849ed8066a0d2b93ea3b
SHA1 hash:
350a1c7a09d12335ede9109290a152c9ecd2db0b
SH256 hash:
16687d1c2945be78cbcabfb542520fc4f0a153b820aed024d8dd0032be6a7b0f
MD5 hash:
a1224527d43f4369e53427cc23d53830
SHA1 hash:
567d6e382d8ec299bfbec98eaa0c1cc6b539c4e3
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 16687d1c2945be78cbcabfb542520fc4f0a153b820aed024d8dd0032be6a7b0f

(this sample)

  
Delivery method
Other

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