MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b8fa34b4f6551d824d43170aaf8f4a1f7771eb9af4728a508058cfda9907908. 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: 0b8fa34b4f6551d824d43170aaf8f4a1f7771eb9af4728a508058cfda9907908
SHA3-384 hash: e3cdf66f96c6456d6198db2827ed8ba3203ea75dd33839524b500a5c8dbd18e25d55d3dad37a4cbe70e56f5c6962e965
SHA1 hash: 4fdb8ccbd507407b11db31fdfc9905cb0b1b8b3e
MD5 hash: 6b4458c458259ded6794ee04c95cc486
humanhash: south-queen-fanta-don
File name:6b4458c458259ded6794ee04c95cc486.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'460'224 bytes
First seen:2020-08-06 08:18:25 UTC
Last seen:2020-08-06 09:01:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:rIYxPeVZltkv9DY0D0MTefKK1k6c781xmJ2MspFuobg0+BnhAZ4V9c9K:rIPVjtIc0ufKKmrX2MspI8glBtVy9
Threatray 684 similar samples on MalwareBazaar
TLSH 3C65E1C1F644DD51E915063A8C329A928B33AC5BDF034606749CBA697BF32D67E31B83
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 :
61
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/40396/
Detection(s):
SecuriteInfo.com.Trojan.KillProc2.11275.26243.19545.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/412626
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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 MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 258578 Sample: eftz1udMRu.exe Startdate: 06/08/2020 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Sigma detected: Scheduled temp file as task from temp location 2->39 41 Yara detected MassLogger RAT 2->41 43 5 other signatures 2->43 7 eftz1udMRu.exe 5 2->7         started        process3 file4 23 C:\Users\user\AppData\...\&startupname&.exe, PE32 7->23 dropped 25 C:\...\&startupname&.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmpD840.tmp, XML 7->27 dropped 29 C:\Users\user\AppData\...\eftz1udMRu.exe.log, ASCII 7->29 dropped 45 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->45 47 Injects a PE file into a foreign processes 7->47 49 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->49 11 eftz1udMRu.exe 15 6 7->11         started        15 schtasks.exe 1 7->15         started        17 eftz1udMRu.exe 7->17         started        19 2 other processes 7->19 signatures5 process6 dnsIp7 31 mail.privateemail.com 198.54.122.60, 49730, 587 NAMECHEAP-NETUS United States 11->31 33 elb097307-934924932.us-east-1.elb.amazonaws.com 54.225.195.221, 49723, 80 AMAZON-AESUS United States 11->33 35 2 other IPs or domains 11->35 51 Tries to steal Mail credentials (via file access) 11->51 21 conhost.exe 15->21         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0b8fa34b4f6551d824d43170aaf8f4a1f7771eb9af4728a508058cfda9907908/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-06 08:20:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=boh2gs2pmvi5qjgugfykv6huuh3xohvzv5dsrjiiawgp3kmqpeea._file
Verdict:
unknown
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044c48fe42178958d8f55e5404e056ff0f1071d865deda9cc42518ab2c87fda7
MassLogger
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3d0af7312beff6b913ae04b6c6b3f9aac323308a1933952d1c8bd732fdf290ce
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84552fb73bb10b2e1c08d3e377dbe717fffcff4b4fc04741a310962fe0b3a095
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8f8324aa2244c6ecc4369ef6e5ea25b405ecf48aef96e34cc04c56f6ad240ade
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9b8c523e9a551600cec0e653e4c8085dcf1b4a7e77559a903e64e7f1aa659223
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a4df7bd8daff5a4723055c7589244e1719c45223f09f42b06a621aad5ee1f2f4
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a9f8d8a5503dca2d63d36e17041e6d065a6bf7bad41c000dd6d5a1e73d18d786
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e16f2a118c2150aaa6ac8c5587737557e6abc4ba57023a78644634eac9fbf696
MassLogger
+ 674 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/200806-91p2df7l2x/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
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/0b8fa34b4f6551d824d43170aaf8f4a1f7771eb9af4728a508058cfda9907908

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 0b8fa34b4f6551d824d43170aaf8f4a1f7771eb9af4728a508058cfda9907908

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/40396/
  
URLhaus
https://urlhaus.abuse.ch/url/426020/
  
Delivery method
Distributed via web download

Comments