MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a4a073fb5cee4010e0c4a19d8dd6cdd65850b64c681410d5fb17751710cccaa. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a4a073fb5cee4010e0c4a19d8dd6cdd65850b64c681410d5fb17751710cccaa
SHA3-384 hash: c40db9df036dffae87d9d576d53b4dfb0ae4a9c4a44f4be1a5f6be8d85d4739a58b372c8b99908d22239728d18330f2e
SHA1 hash: 248ad792dd9236ca1f795ef738f48906377ebd08
MD5 hash: 6c79406c6e16f61821f93073230d658c
humanhash: music-uncle-mars-stairway
File name:6c79406c6e16f61821f93073230d658c.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:867'840 bytes
First seen:2020-09-26 07:37:28 UTC
Last seen:2020-09-26 08:40:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:m8fJhKiGysggohHVkycX0RyvFEhRKc+9Zg/ZPQsbliDeWmxoRy2XJ1A5Qn9VntRf:zLqoh8qKDaQsUDHCi869FPMlQ
Threatray 613 similar samples on MalwareBazaar
TLSH CF05123023D69FA4E9BE87791532550003F5F613E312E70EBEA460ED5E26BD2CB66643
Reporter abuse_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/66019/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.18401.1503.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/475731
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a4a073fb5cee4010e0c4a19d8dd6cdd65850b64c681410d5fb17751710cccaa/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-09-23 10:25:13 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pjfaop5vz3sacdqmjim5rxlm3vsykc3ey2aucdk7wf3vc4imzsva._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
08ad65b9f5484e0ed939cc2de4f83749fc0eb3382c5a1bf7ddf74f29144d122d
MassLogger
15ef597d7c75003efe90c9a85c5a80066671c664a1db0ea6be28c0e0f1370be3
MassLogger
1d6159b26b3bf4e080949b2bb754b3f095b24a084e9d1693f598970cebcf754c
MassLogger
28dba574a9ad10dba8fd5cfa0ff730d17ee892473afe13a8c205107cb64ef475
MassLogger
4d6b9805be6686ee8a01a91f2e8b949b0aeebd7dcd4ef555cd84e0eb8accc678
MassLogger
6a6c8408705966321edec330105b7ac9aecaaddbd1f4cef07045bc7b9c1dea47
MassLogger
795e0e0d533bc48079ef7217a17882890d8a4f5de61d55ef745cd0c29e49f99e
MassLogger
939b73fab4762943e2ba55ec3295845a566ec7d0fc11c20bde0860343713f12c
MassLogger
cd2b2d05e9154852f77c8377ee83f620951e47047bb702e026690508fee44416
MassLogger
f82a52effa51884de08379c6dc8469747a136b89197740c03f926b035b9a1679
MassLogger
+ 603 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/200926-qecvl1jynj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
MassLogger
MassLogger log file
Unpacked files
SH256 hash:
7e4fefb73aa65997360e4dd372233cde19c04b6332b63cec982d4029d5eb2934
MD5 hash:
0b73c3625553d081be6a1ee63311d783
SHA1 hash:
58d45ced12d46860ce86c4400303e6352b1beca0
Link:
https://www.unpac.me/results/58b7df55-559c-41a9-93d2-712c6d68b1b0/
SH256 hash:
243fc264f777e801fcb6a90c2543855877603e104e2e6e807faa097c0b918fed
MD5 hash:
6ef2a650186527f78aab0fab01ea5323
SHA1 hash:
802044443f5a9b26be068464edef210dadb1465d
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/58b7df55-559c-41a9-93d2-712c6d68b1b0/
Parent samples :
4d6b9805be6686ee8a01a91f2e8b949b0aeebd7dcd4ef555cd84e0eb8accc678
7a4a073fb5cee4010e0c4a19d8dd6cdd65850b64c681410d5fb17751710cccaa
96cc9904f92eba3b9c8e2f90b7096e5174df7eed983bf1f6e43e855dea170003
ba18dbaa37dfcb07d8dc014a9801196e419dd2f6936a4fcd1826d4c55a938bea
546274026ba4ffdc8c226e6fbbb52e9afd9a3b79544bc08aeb372f505b7e98f9
SH256 hash:
d547401925700f1943f8a084660f6bd10e302368dc7bf4a793b386d64502a4a4
MD5 hash:
349c54ad708e6f4834d6996c6e95051d
SHA1 hash:
9d91ba664f6ef9d8b58dd972a9432aad677300c4
Link:
https://www.unpac.me/results/58b7df55-559c-41a9-93d2-712c6d68b1b0/
SH256 hash:
785261875049471f6432827571071af39fdb06ec0a223224c12792201a9f66e5
MD5 hash:
e41b095949e16c551511c80acfc18ac2
SHA1 hash:
c1c9299481d8604297151f48ac8c790c9e920504
Link:
https://www.unpac.me/results/58b7df55-559c-41a9-93d2-712c6d68b1b0/
SH256 hash:
a4009288982e4c30d22b544167f72db882e34f0fda7d4061b2c02c84688c0ed1
MD5 hash:
7c359500407dd393a276010ab778d5af
SHA1 hash:
4d63d669b73acaca3fc62ec263589acaaea91c0b
Link:
https://www.unpac.me/results/58b7df55-559c-41a9-93d2-712c6d68b1b0/
SH256 hash:
7a4a073fb5cee4010e0c4a19d8dd6cdd65850b64c681410d5fb17751710cccaa
MD5 hash:
6c79406c6e16f61821f93073230d658c
SHA1 hash:
248ad792dd9236ca1f795ef738f48906377ebd08
Link:
https://www.unpac.me/results/58b7df55-559c-41a9-93d2-712c6d68b1b0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
MassLogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7a4a073fb5cee4010e0c4a19d8dd6cdd65850b64c681410d5fb17751710cccaa

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 7a4a073fb5cee4010e0c4a19d8dd6cdd65850b64c681410d5fb17751710cccaa

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/66019/
  
URLhaus
https://urlhaus.abuse.ch/url/410920/
  
Delivery method
Distributed via web download

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