MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb554ff729a2e33d8ecc4ec2a6dbce1b35052760d87412682e1b5e678b569225. 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: cb554ff729a2e33d8ecc4ec2a6dbce1b35052760d87412682e1b5e678b569225
SHA3-384 hash: 091c76904fba0a506d4944dbba87def3c64196b5aa51328283fc172d3b41b3968f0f4ed5a647e7d7f4a94e7bfd0da22a
SHA1 hash: 8ddf7b31108d3e9089136583e6d6777a494688aa
MD5 hash: a768546a53121478d2b633758ad0a762
humanhash: kitten-iowa-october-iowa
File name:a768546a53121478d2b633758ad0a762.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:825'344 bytes
First seen:2020-09-25 09:52:04 UTC
Last seen:2020-09-25 10:47:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:/Tv2zv1g09HIdQ8UjzaxMbLYQmBLagQJw5BYpFRU1Ad8FV+kPTgXlvM19tt0:S2Kn5wJRBLals+pmAd4+kLg1Uztt0
Threatray 607 similar samples on MalwareBazaar
TLSH F60512397349D625EC7E97310530016503F6FB66FB01DA1DBDAD68BC9E32A128B62326
Reporter abuse_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.10346.24467.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Creating a file
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/474966
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/cb554ff729a2e33d8ecc4ec2a6dbce1b35052760d87412682e1b5e678b569225/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-09-21 09:21:52 UTC
AV detection:
29 of 48 (60.42%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=znku75zjulrt3dwmj3bknw6odm2qkj3a3b2be2bodnpgpc2wsisq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
048975b189f2d2b114f3ee0b5ac27d5d74d293ceffa551593bf546eff30c8e72
MassLogger
0af074fb50cdce569d93eca7b4c4ba00bd6aca46ebf048be2b41e1d42446f0a9
MassLogger
0f0a50b4e9567820ac98a97c53d004d7c92b2c8df4ff4feb67753622b1d26b3a
MassLogger
2926c85cd65bf6dae21e2fd26f57285b0987b76f9dc1d6e33e19f95f96e0f09b
MassLogger
3b64228944b07ae173f7cdadd7ad31ced5b8777adb7f3acf5d6a4acb84de57cd
MassLogger
4967018fdf08c33d3ef1dff0705c487baf936866408f684dcd19e3c2236489e0
MassLogger
61f9e2434845dea706b881d09a70bad95ba36d3f61a83ff892b2b922e3dfab27
MassLogger
8105cabf969ea3460541268aef53c13f8c8b12a7e99f0e6e74fe86cf2a86b8f3
MassLogger
92c9a0926da348abc0898bcd4ca5dc955f2c09f14a22b525cc380fa68060154a
MassLogger
b60334d1ae623de52b95660c1869e65a7c1b075ca58f2ad48711beb931190c5e
MassLogger
+ 597 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware stealer spyware family:masslogger
Link:
https://tria.ge/reports/200925-hh65gd8v3n/
Behaviour
Creates scheduled task(s)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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:
cb554ff729a2e33d8ecc4ec2a6dbce1b35052760d87412682e1b5e678b569225
MD5 hash:
a768546a53121478d2b633758ad0a762
SHA1 hash:
8ddf7b31108d3e9089136583e6d6777a494688aa
Link:
https://www.unpac.me/results/e5a2cc28-57a9-4462-917d-c5a1bc12ca8c/
SH256 hash:
04aee74823779bf339419fe194d5f269ca831622cc3c2929e7ed10684f07164a
MD5 hash:
5f5604646b3cc099ed14c958f8ef292f
SHA1 hash:
4087469669ac113b5e2b24c7fdcfb8a8ba2dd3a1
Link:
https://www.unpac.me/results/e5a2cc28-57a9-4462-917d-c5a1bc12ca8c/
SH256 hash:
f0d43aab1834850d87bfa6706e43ec878f5f6db4e562f74e4c08a36e24e34a90
MD5 hash:
137401283076aab2d49064e025a2b6d8
SHA1 hash:
4b33308c9303141c4ad6b0353039691df0dc57ab
Link:
https://www.unpac.me/results/e5a2cc28-57a9-4462-917d-c5a1bc12ca8c/
SH256 hash:
76485409cb017a48f703d8a73e92a807317d284627a4b87a795f284da27fdb28
MD5 hash:
22b288aa906b7b3388fbd89ab79f2ece
SHA1 hash:
5335cbda006c009b2d7ece5532557c3008c1e2d6
Link:
https://www.unpac.me/results/e5a2cc28-57a9-4462-917d-c5a1bc12ca8c/
SH256 hash:
2d9fadf879d39a8e5e360b33190d8e37832626a47d8fb039177ff9d611b756d8
MD5 hash:
9a2af5b86a43ac4f481df718ad17408a
SHA1 hash:
54adcbf3bad87d4c7a632a1eaa5dbd3237130978
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/e5a2cc28-57a9-4462-917d-c5a1bc12ca8c/
Parent samples :
983d5230e9c25016185e43b439e5d42e5018b0688dff7a354f4ebf282c4ee76f
f94e93ad699e6c297288e50a6661e7e39105b6257af8dc7b0f9a1fd99a09bc03
5f0c0ef8b72bc8ee231fea25cb78b8ddadd17225976e883be73f0b1dc7c7f2fa
92c9a0926da348abc0898bcd4ca5dc955f2c09f14a22b525cc380fa68060154a
0c121b8b0d5cb95df98ef017aee09a33d858d96b3d849c30c8735384c89a22c4
cb554ff729a2e33d8ecc4ec2a6dbce1b35052760d87412682e1b5e678b569225
SH256 hash:
e888668d9ecc9fb070dd4a1931808387d4c65d9d289c526f8b91bd985fc9e941
MD5 hash:
072f4f4aab46bfa37ee8b66a05f95efa
SHA1 hash:
e4f72288572ecac85f6452036c8c5de619152233
Link:
https://www.unpac.me/results/e5a2cc28-57a9-4462-917d-c5a1bc12ca8c/
SH256 hash:
7995344bbfbd48cd6f402919b2b20983cb7aee93d61ac678273bb1c7485f949d
MD5 hash:
342099cf58a655fa07ffe444b3dc02a9
SHA1 hash:
13e983c3456f76a5a30b4efef326da7c722e25a6
Link:
https://www.unpac.me/results/e5a2cc28-57a9-4462-917d-c5a1bc12ca8c/
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/cb554ff729a2e33d8ecc4ec2a6dbce1b35052760d87412682e1b5e678b569225

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 cb554ff729a2e33d8ecc4ec2a6dbce1b35052760d87412682e1b5e678b569225

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/65770/
  
URLhaus
https://urlhaus.abuse.ch/url/410917/
  
Delivery method
Distributed via web download

Comments