MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdf6cde5a358c95af4b05b582a44f747b718d84c4148b4f64a98498f7bedda9a. 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: 6


Intelligence 6 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bdf6cde5a358c95af4b05b582a44f747b718d84c4148b4f64a98498f7bedda9a
SHA3-384 hash: 62b5c322d4acb7aba994301cd9bb7ed8384382afe68495e55a1dd99eef56d5ba71a608dc02a1e4efc8fad246fccb4fe4
SHA1 hash: cca9490520f52c2b4f6fbe4caf6c3ab8ce15b2fc
MD5 hash: 7e6a25de49a62dd9a5564f4cd8a3850a
humanhash: asparagus-network-kentucky-seven
File name:SKM_C258201001130020005057R1REMITTANCEC258096545675434566543.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'174'528 bytes
First seen:2020-10-28 08:13:18 UTC
Last seen:2020-10-28 09:54:11 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 24576:sSEu0NWx/mBzaiay1duBjObc3a32KRXX1ccrvy:uu0N5dhduBCQ3WNRVccrvy
TLSH 39458D98365071DED87BD379CEA81C28E6A0747BC31B8207A01755ED9A4E987EF502F3
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: server.fiarngroup.com
Sending IP: 185.178.46.232
From: Waseem Kolko (CREET International Contracting Company) <waseem_kolko@creet.com>
Subject: Proforma Invoice 30% advance payment
Attachment: SKM_C258201001130020005057R1REMITTANCEC25809654567543456654334 Spec_scanned from a xerox printer001. (contains "SKM_C258201001130020005057R1REMITTANCEC258096545675434566543.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/80342/
Detection(s):
SecuriteInfo.com.Artemis7E6A25DE49A6.11027.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/514721
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bdf6cde5a358c95af4b05b582a44f747b718d84c4148b4f64a98498f7bedda9a/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2020-10-27 23:29:15 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xx3m3zndldevv5fqlnmcurhxi63rrwcmifelj5sktbey667n3kna._file
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/201028-yahk1m1f36/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
ServiceHost packer
MassLogger
MassLogger Main Payload
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:win_masslogger_w0
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

NanoCore

iso d2786d10b854eeebbc90951d192ed60a34eabacdc1de21f080ee7635eec22798

MassLogger

Executable exe bdf6cde5a358c95af4b05b582a44f747b718d84c4148b4f64a98498f7bedda9a

(this sample)

  
Dropped by
MD5 c2e46e12082efe24fcd130396d3aef03
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 d2786d10b854eeebbc90951d192ed60a34eabacdc1de21f080ee7635eec22798
Cape
Cape
https://www.capesandbox.com/analysis/80342/

Comments