MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc8bb8e2defc7e7a4b14f479a4ce5a3fe7140c5165b789809cc89dfe7d34645c. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc8bb8e2defc7e7a4b14f479a4ce5a3fe7140c5165b789809cc89dfe7d34645c
SHA3-384 hash: 0679fe23b2e5288cb866584bacb2607177d6a4ebe3bc4551b266ceae87711bd443f8e507b2a952341aefa2d7b5f56246
SHA1 hash: 64280d00ecf312dfb421f7a9141f28a67b8eeb8d
MD5 hash: f391e228ce7ba8e4b4c4ef989252b968
humanhash: eight-texas-lake-fish
File name:f391e228ce7ba8e4b4c4ef989252b968.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:3'754'496 bytes
First seen:2020-11-01 06:50:53 UTC
Last seen:2020-11-01 08:48:10 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:CXDJt/R6Pzcrav7fDk0J8C+BJprcnJguzA3dv6gMqcXpBjnZUdSkGytLFOSIlmum:
Threatray 425 similar samples on MalwareBazaar
TLSH 8606363D6E9826E36177E676A0F60587FEE8658673781C4B02C32B482D4AF063D9734D
Reporter abuse_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/81584/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.44272332.1055.5753.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/517600
Signature
.NET source code contains very large strings
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 307904 Sample: QN27UyUjZ5.exe Startdate: 01/11/2020 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 8 other signatures 2->56 6 QN27UyUjZ5.exe 1 4 2->6         started        10 vlc.exe 2->10         started        12 vlc.exe 1 2->12         started        process3 file4 30 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 6->30 dropped 32 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 6->32 dropped 34 C:\Users\user\AppData\...\QN27UyUjZ5.exe.log, ASCII 6->34 dropped 58 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 6->58 14 QN27UyUjZ5.exe 15 2 6->14         started        18 QN27UyUjZ5.exe 6->18         started        20 QN27UyUjZ5.exe 6->20         started        22 vlc.exe 10->22         started        24 vlc.exe 10->24         started        26 vlc.exe 10->26         started        60 Injects a PE file into a foreign processes 12->60 28 vlc.exe 14 2 12->28         started        signatures5 process6 dnsIp7 36 elb097307-934924932.us-east-1.elb.amazonaws.com 184.73.247.141, 49742, 80 AMAZON-AESUS United States 14->36 38 nagano-19599.herokussl.com 14->38 40 api.ipify.org 14->40 62 Tries to steal Mail credentials (via file access) 14->62 42 192.168.2.1 unknown unknown 22->42 46 2 other IPs or domains 22->46 64 Tries to harvest and steal browser information (history, passwords, etc) 22->64 44 54.225.169.28, 49751, 49752, 80 AMAZON-AESUS United States 28->44 48 2 other IPs or domains 28->48 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cc8bb8e2defc7e7a4b14f479a4ce5a3fe7140c5165b789809cc89dfe7d34645c/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-10-31 01:33:34 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zsf3ryw67r7husyu6r42jts2h7tridcrmw3ytae4zco747jumroa._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
2268c04275e6483759c53e8fc26f983591be004ac63afd19591da079bbf67875
MassLogger
3251a40b247e2a5428a63e66306667d8fb630f56b0b6d49afd05ed72adcdd731
MassLogger
49d9309eac532c0e556de20a5caab67bf0819266c5eee7aeb794472a3f70b3d6
MassLogger
610ed2ab81dda401cd838073f80b2d217c2a5bb8f6b35b32c6d71ed67ea4483b
MassLogger
6bcaa05bb24f934bc0b68c8475610a3a0c1877e279ab50d9fe75144cb369fd1e
MassLogger
800a9477f04ae6598b190d3edb2d1c6c33b962fd1ef6fdba4dbafd13bad161c1
MassLogger
8ea1d5e023c174a65c047ecf0f633ef66ba5adfd58ff0cc09ad084fd31f84278
MassLogger
9c4a2d8473718bdb1725450b6f0567098006b9aa89fbd913acab1bab0857143d
MassLogger
d03792e976baeea6547686ff0fe4ced755f9bad76ee6e3ff3c5f4adf93cbb0f8
MassLogger
e6b8348d96a99fd60ed1532ad98c571e23b3a6b2c991ad9d8243e6c4f3c40454
MassLogger
+ 415 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger persistence spyware stealer
Link:
https://tria.ge/reports/201101-6rrcvsavl6/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads user/profile data of web browsers
Checks computer location settings
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
cc8bb8e2defc7e7a4b14f479a4ce5a3fe7140c5165b789809cc89dfe7d34645c
MD5 hash:
f391e228ce7ba8e4b4c4ef989252b968
SHA1 hash:
64280d00ecf312dfb421f7a9141f28a67b8eeb8d
Link:
https://www.unpac.me/results/5ecde879-cdb9-4ddd-b0b7-d97c19ca0e52/
SH256 hash:
fe5aae1262b63c23eddd99e0f3d57cdba35a994dccbec7cafa109e2d592e342c
MD5 hash:
1a99f4b2f547b63dd60a9c57c18568d5
SHA1 hash:
4bb59d393471e7803b04f67f239b2c29c9edef7a
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/5ecde879-cdb9-4ddd-b0b7-d97c19ca0e52/
SH256 hash:
67a9eb50b31ad82fffd99fbee0baba91722352a54e48b2cc1d40632a9fdceaf4
MD5 hash:
6476d19c163901cfe058d0579ea788b6
SHA1 hash:
542abeab0cae5046b1ebf49e266bbea898cbf538
Link:
https://www.unpac.me/results/5ecde879-cdb9-4ddd-b0b7-d97c19ca0e52/
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
Link:
https://www.unpac.me/results/5ecde879-cdb9-4ddd-b0b7-d97c19ca0e52/
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/cc8bb8e2defc7e7a4b14f479a4ce5a3fe7140c5165b789809cc89dfe7d34645c

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.

Web download

MassLogger

Executable exe cc8bb8e2defc7e7a4b14f479a4ce5a3fe7140c5165b789809cc89dfe7d34645c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/752144/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/81584/

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