MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1b7b74f099ecb3e600271c2ed326aacaeece3eda474d5769c2839386fa0fc05. 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


MassLogger


Vendor detections: 4


Intelligence 4 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1b7b74f099ecb3e600271c2ed326aacaeece3eda474d5769c2839386fa0fc05
SHA3-384 hash: 7c2954803a9e86a7b283074e73d3da67228a8c72caf63a663c61155bb5284b0ff3230b26b8795104be03a140d83038ca
SHA1 hash: 244f6944163d7b56f41c8e6b321b66fbcced9e8c
MD5 hash: 873ee9e180e146dbc58e236adc4859e2
humanhash: mirror-six-enemy-march
File name:invoice090900009.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:878'592 bytes
First seen:2020-06-29 12:32:17 UTC
Last seen:2020-06-29 20:58:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:IefYv2JwNnCaJKeG1ZuLgmk4dlvPWTpn:MgaCaUAFk4dl2
TLSH 3515220B9F88963FC8B952F9D0B0111557B4B4A9F5A3F3DD884832C64DD1F86BA8068F
Reporter abuse_ch
Tags:exe geo MassLogger TUR


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: serv.ipblasta.com
Sending IP: 5.39.217.214
From: admin2@yigmyanmar.com
Reply-To: saleslink@yandex.com
Subject: RE: INVOICES
Attachment: invoice090900009.xz (contains "invoice090900009.exe")

MassLogger SMTP exfil email server:
mail.ereglitso.org.tr:587

Intelligence

File Origin
# of uploads :
3
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/16274/
Detection(s):
SecuriteInfo.com.Variant.Ursu.914999.10030.24896.UNOFFICIAL
Create hunting rule

Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a1b7b74f099ecb3e600271c2ed326aacaeece3eda474d5769c2839386fa0fc05/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2020-06-29 12:34:07 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ug33otyjt3ft4yacohbo2mtkvsxozy7nur2nk5u4fa4tq35a7qcq._file
Verdict:
unknown
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware spyware stealer family:masslogger evasion trojan
Link:
https://tria.ge/reports/200629-rz9dz236ea/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Modifies system certificate store
Looks up external IP address via web service
Reads user/profile data of web browsers
MassLogger
MassLogger log file
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:masslogger_gcch
Create hunting rule
Author:govcert_ch

File information

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

Malspam

MassLogger

zip 22faed7f28888195a6155594919563e386802b0b917cda365cfc92777ee74190

MassLogger

Executable exe a1b7b74f099ecb3e600271c2ed326aacaeece3eda474d5769c2839386fa0fc05

(this sample)

  
Dropped by
MD5 da617371a9eda0170ec126218c4614cd
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/16274/
  
Dropped by
SHA256 22faed7f28888195a6155594919563e386802b0b917cda365cfc92777ee74190

Comments