MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b28bb290703c9bd1606bd009753854d31ef8071e21fb98185ddad138f98cbac7. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b28bb290703c9bd1606bd009753854d31ef8071e21fb98185ddad138f98cbac7
SHA3-384 hash: 3025fc2a435f61c30082b870bb383c22c7160037386ef22fb1ed60f0dd2793bec786b663ebd1f7d2fb57cf36d0357986
SHA1 hash: f0ea391f8b3ac177d69748d3b146b73c1faf25d6
MD5 hash: c57cb5078953eb81f0123225958a8312
humanhash: butter-blue-orange-iowa
File name:c57cb5078953eb81f0123225958a8312.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'190'912 bytes
First seen:2020-08-06 08:18:46 UTC
Last seen:2020-08-06 13:35:22 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 24576:s4o1tRzEpy60ZpX/vzZLtWJTFRPyIoCdJL8KHP:Jo1jA460ZRjWJTDPydCd7v
Threatray 614 similar samples on MalwareBazaar
TLSH AE45E0F912900D46F45907795A3FE486DF22FC7E2D21DBCE12B0729E077BB5258A2B06
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
MassLogger SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/40398/
Detection(s):
SecuriteInfo.com.Trojan.Inject3.46680.11702.16405.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/412639
Signature
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b28bb290703c9bd1606bd009753854d31ef8071e21fb98185ddad138f98cbac7/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-06 08:20:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wkf3fedqhsn5cydl2aexkocu2mppqby6eh5zqgc53litr6mmxldq._file
Verdict:
unknown
Similar samples:
044c48fe42178958d8f55e5404e056ff0f1071d865deda9cc42518ab2c87fda7
MassLogger
21cea3a243809c8cc06412ffd647e4896b35a246cf8c365484e0419477d94b37
MassLogger
271ae8f2104165d934488b9888b1fdcf6d6ec9a2263a603270ac9098f5d27323
MassLogger
45eac93db3a0554afa555fdfced45c8bd9d5c973d05f3e4b40219be984dd0d28
MassLogger
4c8728146976e30a09321d1e158aeeb46908c54fa8614ccef7fbc9761956eca4
MassLogger
9b8c523e9a551600cec0e653e4c8085dcf1b4a7e77559a903e64e7f1aa659223
MassLogger
a4df7bd8daff5a4723055c7589244e1719c45223f09f42b06a621aad5ee1f2f4
MassLogger
a551bc2327862c1430dac51dce368001622525fae235ca689f7b055e0d3125c7
MassLogger
a9f8d8a5503dca2d63d36e17041e6d065a6bf7bad41c000dd6d5a1e73d18d786
MassLogger
d42e838fc8e2a07efdeb9ee11c8078d86ce797de599c633251927f6a24d7dea5
MassLogger
+ 604 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware spyware stealer family:masslogger
Link:
https://tria.ge/reports/200806-wlzrezn3lx/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
MassLogger log file
MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b28bb290703c9bd1606bd009753854d31ef8071e21fb98185ddad138f98cbac7

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
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.

Web download

MassLogger

Executable exe b28bb290703c9bd1606bd009753854d31ef8071e21fb98185ddad138f98cbac7

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/40398/
  
URLhaus
https://urlhaus.abuse.ch/url/426055/
  
Delivery method
Distributed via web download

Comments