MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a9a0333c8c544cdf43f51eaa895169513c27bdb818f42bb301d476ac1330672. 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 4 File information Comments
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SHA256 hash: 1a9a0333c8c544cdf43f51eaa895169513c27bdb818f42bb301d476ac1330672
SHA3-384 hash: 0b2417a576b89695518d8591081b4e3c393cb2cafd5cca1740719d466259c7b6705665a9fca24857e2aaf4b78cbf1bd2
SHA1 hash: e86f12718084a23b51e2e1f4612f8d128876cea2
MD5 hash: 21a32df3ac82b669e077963344722127
humanhash: don-solar-massachusetts-massachusetts
File name:mWKfVsuSZAHcuCc.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'022'976 bytes
First seen:2020-11-16 15:10:47 UTC
Last seen:2020-11-16 16:54:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'604 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:781y7lSiTViFmenrD8tRAl9yNuXtG7P68CiENHq5q23:A1vmVHenrDtCPCi8
Threatray 514 similar samples on MalwareBazaar
TLSH 3C25AE20B2785F9AF87D877F68105D8263F16D6BD315EE4A7CB1C3ED0052B6047A26A3
Reporter James_inthe_box
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.29706.20652.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Launching a process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
MassLogger RAT
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/538045
Signature
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
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/1a9a0333c8c544cdf43f51eaa895169513c27bdb818f42bb301d476ac1330672/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2020-11-16 05:35:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
22 of 28 (78.57%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dknagm6iyvcm35b7khvkrfiwsuj4e663qghufozqdvdwvqjtazza._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
0a6447ca302af67b351842f078f0462cf33c95d587da76e220322cd9bd9803a3
MassLogger
116ea34f9e2aba532b39a48d0612f43632afea0039478a6d522e5f9c66141c1b
MassLogger
13207816457e33a0430e6da6d1ab86d9797f9c2895a7491c142b5b8bfee3bb0d
MassLogger
322cdafdbecbb10cebb964011c87d6c5fff3951cf2b71fe3cf9e92636ade84b6
MassLogger
9c4a2d8473718bdb1725450b6f0567098006b9aa89fbd913acab1bab0857143d
MassLogger
a39d375b4498174ca49f07d6bc5a152d34bbb3b7681b209125f2a1c7a8b01185
MassLogger
b136291a17e064dd9d44cc454556980107d96da2a0adb1a31eb2db3531b6832a
MassLogger
b515db56b7c63191b19befe748f7af7f00d08623029e8856c86fc46362fbed9f
MassLogger
ba35ef227636d6968eeada03534fc58057ffc2514eb120dd4e3326c0a84dafd1
MassLogger
d6b834570825a606942ff096f5ad3df33f58082be5a68bab447bc9af4b114e95
MassLogger
+ 504 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/201116-edjb787lwa/
Behaviour
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 Main Payload
Unpacked files
SH256 hash:
1a9a0333c8c544cdf43f51eaa895169513c27bdb818f42bb301d476ac1330672
MD5 hash:
21a32df3ac82b669e077963344722127
SHA1 hash:
e86f12718084a23b51e2e1f4612f8d128876cea2
Link:
https://www.unpac.me/results/4851c1f8-d2a5-43fb-88d5-aeb922f2b8bf/
SH256 hash:
c435ea9c707e27a3ab167a8f53b068cb14e9f6354405589d3913b29d00ea4c2f
MD5 hash:
53a9976fa24b1f7fdf5371e2a1dca907
SHA1 hash:
05517f396b0d548db5658c60825ca0dc9abdc1a1
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/4851c1f8-d2a5-43fb-88d5-aeb922f2b8bf/
Parent samples :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 hash:
2637e2ae8209da40f3725f551f09a30c25c9154e5180158a50a0e949848ad8ca
MD5 hash:
8b797c63e0e4464fccaaa6cd723b8002
SHA1 hash:
095c8c0e7e2a1f730787ff4bbaa5a5d42a0a8b62
Link:
https://www.unpac.me/results/4851c1f8-d2a5-43fb-88d5-aeb922f2b8bf/
SH256 hash:
c8671a87d685f2354d96f3cfcad530dfa5f3ec535a0f5ec14940d81fb857813b
MD5 hash:
b5358f677850210361f573c7d249c258
SHA1 hash:
215e06e319515d779efa88f7c05b343d6ec3f6a5
Link:
https://www.unpac.me/results/4851c1f8-d2a5-43fb-88d5-aeb922f2b8bf/
SH256 hash:
b7988f7b289de286533976bda7b1890bdf5f3492f5ad27fbfb943832603bc504
MD5 hash:
b60c2b5495072ab58eb72c14a8bc7c6f
SHA1 hash:
3e3d4ee78e9a29aab9089ae9191f4a029b25ed15
Link:
https://www.unpac.me/results/4851c1f8-d2a5-43fb-88d5-aeb922f2b8bf/
SH256 hash:
c6fcf5d515d56cf746b4c4aa4695f11e9ad7f6063a96cda810bf39dc47c5a7a0
MD5 hash:
47509d9db24c975e55c287afdc459fad
SHA1 hash:
4f1f893555c985d7cbba731cf1fdbf49c6ecf793
Link:
https://www.unpac.me/results/4851c1f8-d2a5-43fb-88d5-aeb922f2b8bf/
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: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:Quasar_RAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
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.

  
Delivery method
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