MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31158724133cf00916cca2eb89ed79d453f1c9210cd79dbafaafcbc2eadba065. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments

SHA256 hash: 31158724133cf00916cca2eb89ed79d453f1c9210cd79dbafaafcbc2eadba065
SHA3-384 hash: 5ba362ab861be05d9a0fed04189fabe63e055e654aa9e71d140f127246c5d63960423630dfc1dad430ff8afd1028b3b4
SHA1 hash: 2436535f99b2ecce872f60552742d845eeb75863
MD5 hash: 71e21f88a8027b66d18aefd18eb97da7
humanhash: fruit-harry-queen-oscar
File name:kcfff.exe
Download: download sample
Signature MassLogger
File size:1'248'256 bytes
First seen:2020-07-07 18:04:41 UTC
Last seen:2020-07-07 19:08:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:KFpK6QkkaQgEQD5OD+hsTT4OnxW3zZjDfkTzuEGcGJ+hR0+s0VGm5EGMJu:cpK6sgDD5OD+hTOnyVAz9ThR5rUm
Threatray 712 similar samples on MalwareBazaar
TLSH C84508397E969428D95E0779C0A85CC2E365A6473F97D34FB08713481E037AFB70A4AB
Reporter James_inthe_box
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-07 18:03:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
spyware stealer family:masslogger persistence
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Looks up external IP address via web service
Adds Run entry to start application
Reads user/profile data of web browsers
Loads dropped DLL
Executes dropped EXE
MassLogger log file
MassLogger
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
Author:govcert_ch
Rule name:Warp
Author:Seth Hardy
Description:Warp
Rule name:WarpStrings
Author:Seth Hardy
Description:Warp Identifying Strings

File information


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

Comments