MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40a28bcd44a3348b0c698efa5cfd48bab8553e31202816ebecf62d23880e78cc. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40a28bcd44a3348b0c698efa5cfd48bab8553e31202816ebecf62d23880e78cc
SHA3-384 hash: e22abceede91161394932307496cc9d5c75d61e5567b21fa8fc1d823dc50eaab5367fbb6b3e4cd580640d2e2bdf0c3de
SHA1 hash: 8e7e0985655fd3ead04400c3a348d285f621606a
MD5 hash: b2e81da6bceaaf413f759f18acc74a9a
humanhash: yankee-fanta-blossom-chicken
File name:40a28bcd44a3348b0c698efa5cfd48bab8553e31202816ebecf62d23880e78cc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:989'696 bytes
First seen:2020-04-15 19:56:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5a5f19b9a71eff9b85894a542f52e6f7 (4 x AgentTesla, 2 x Loki, 1 x NanoCore)
ssdeep 12288:3PQY3H3PAhHOKcOUIjAtuoi3OkhdS7/h7vvy4raWFCyXOYvekRePfmK:fjPPKcOBiXea/tHSW+Yv76mK
Threatray 11'267 similar samples on MalwareBazaar
TLSH 1D25AF62F2B18433C1732A3D9D6B5664982BBE113D28A9473BF41E4C5F3928139792F7
Reporter nbd33
Tags:AgentTesla COVID-19 exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

PUA.Win.Adware.Webalta-6854075-0
Create hunting rule

PUA.Win.Adware.Webalta-6862190-0
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Injector
Create hunting rule
Status:
Malicious
First seen:
2020-04-15 01:16:31 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
29 of 31 (93.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=icrixtkeum2iwddjr35fz7kixk4fkprreaubn27m6ywshcaopdga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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10cb43e944707741d8bc5ab4e7d7f6b05a1781c75549b27627cf0a46fae7d9ab
AgentTesla
2317f17463f1afca13682f949cc61f1d6bc123e681d12a7d645216a0650eae87
AgentTesla
7dd1ac7e7f7f3a85ebdcf6337b4f83dee2e6421ee4373e6328c08d8a0854ae9a
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7e7186f5a8b37371bfcb4e850870847b2d3722b0af683c1b22f7088dcc8bac2c
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8dcbb8a0bffb7f4595c0bcd4dcfa78bac57e2ce1f8f1bdfbc2679fe1f1edc7ce
AgentTesla
a00f64383ecb01c22889105016ebd58705accad3eea15a189a5804b7c27a0e79
AgentTesla
a1985692a5adc3de0a45492ff919e4de781b2086ab152a56383a391913140744
AgentTesla
dd4a43b0b8a68db65b00fad99519539e2a05a3892f03b869d58ee15fdf5aa044
AgentTesla
df4a4e6430488397eecf551b6f8558f71d5bc65fe78d70cde3d45e38e82d82f9
AgentTesla
f3141eb0d06d4ddce695865bbd38b6d1c9fa564d3ab4a9f1a5d1c0bb9c9931cc
AgentTesla
+ 11'257 additional samples on MalwareBazaar
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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 40a28bcd44a3348b0c698efa5cfd48bab8553e31202816ebecf62d23880e78cc

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetSystemInfo
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WinExec
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::FindWindowA
user32.dll::PeekMessageA
user32.dll::CreateWindowExA

Comments