MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 813c6c4898937f9c8c4cb910ac7de167a8c61d4a748a879b4d319945bd057e4d. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 813c6c4898937f9c8c4cb910ac7de167a8c61d4a748a879b4d319945bd057e4d
SHA3-384 hash: 21625757cf851220f2c61a15bfe683290098c69ddbe5cc1c336695f8b51781c3f164c3728d2424d599674f9f8c4a0317
SHA1 hash: 7dbf4a632d2385e4d577a0eb5864a6543afb00a9
MD5 hash: 448fa1eeb9eebeb24013f38011a38dec
humanhash: kilo-emma-tennessee-comet
File name:MCB-987655.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:478'208 bytes
First seen:2020-05-01 11:30:16 UTC
Last seen:2020-05-01 13:03:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:n+xenF7j0qUFbw+hg9nt81QEnpULfM/QugDgnXZ3bOrwSHt2IRf1:+xenl0X0Donp8DkJ3yrw
Threatray 10'604 similar samples on MalwareBazaar
TLSH 13A4DFAC3A5072EFC427CD7689945C60EA1074BB830BE353A487229D994E9DBDF152F3
Reporter abuse_ch
Tags:AgentTesla exe geo VNM


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: smtp-sg01.aluhost.vn
Sending IP: 210.211.121.116
From: nancy.banji@yahoo.com <nancy.banji@yahoo.com>
Subject: Re: Dia chi mail moi
Attachment: MCB-987655.xls.z (contains "MCB-987655.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VQY.17049.UNOFFICIAL
Create hunting rule

Win.Packed.Nanocore-7758947-0
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-01 11:36:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
28 of 31 (90.32%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qe6gyseysn7zzdcmxeiky7pbm6ummhkkosfipg2nggmulpifpzgq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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724ad2125f656d76082e67cb6c30ea8976fb01cc2819bb228f83526a33bbc78c
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7607102eead4fb3d71ed2c2b492eb4828d5c544576102aaa94d29debce0f211d
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9463f129f4dec7224eb12c262e080ffa58c104bde38104319ab69d2fdb8919ee
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b9ec899a1cb59794313ed0db3e338dbc43970785be52cf756b0d33588c0064d8
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eced8139c7651d297e4bc18c9b8783b76ffa477c07e09b269739d8b6fa0d14de
AgentTesla
+ 10'594 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

File information

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

Malspam

AgentTesla

z 3c53cc9904516d4e17f4742f622b12bbd48e78e6066c06b655502277af9aaf14

AgentTesla

Executable exe 813c6c4898937f9c8c4cb910ac7de167a8c61d4a748a879b4d319945bd057e4d

(this sample)

  
Dropped by
MD5 9d983d6e828bd238d2e0d8ba58c28918
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 3c53cc9904516d4e17f4742f622b12bbd48e78e6066c06b655502277af9aaf14

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments