MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46147dd9c691040775f75895df40c6859409a203990a6a96a725e3625c2ddf63. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 46147dd9c691040775f75895df40c6859409a203990a6a96a725e3625c2ddf63
SHA3-384 hash: 1d67204051fa9f1dcbf3943f34abc19415114f1bbbc9017a3d69f32cb75a3b5a68b6742f78f4ec59c5302dbcdb189dc1
SHA1 hash: f8ca48be2c738140d318168020cc24869160b720
MD5 hash: 58aac818567512ff88b69c5368669940
humanhash: ohio-moon-georgia-solar
File name:tKfuvt0R6K5VBfC.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:938'496 bytes
First seen:2020-12-07 14:12:49 UTC
Last seen:2020-12-07 15:49:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'595 x Formbook, 12'240 x SnakeKeylogger)
ssdeep 24576:cNlYTN30C0LOxTekx8e3FZRr164S0bW6+:uYlOa6c843RZ64S0bW
Threatray 580 similar samples on MalwareBazaar
TLSH D115123093569BA7EB3B0FB6D84416404EB9B82BB625F69C7E4114C651E2B108F78F73
Reporter James_inthe_box
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
tKfuvt0R6K5VBfC.exe
Verdict:
Malicious activity
Analysis date:
2020-12-07 14:14:16 UTC
Tags:
evasion
Link:
https://app.any.run/tasks/c2229d94-d03a-4ea6-9858-539191fdc0de

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
MassLogger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/107034/
Detection(s):
SecuriteInfo.com.Variant.Bulz.251423.2856.2986.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Reading critical registry keys
Sending a custom TCP request
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.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/556863
Signature
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 327529 Sample: tKfuvt0R6K5VBfC.exe Startdate: 07/12/2020 Architecture: WINDOWS Score: 80 19 Malicious sample detected (through community Yara rule) 2->19 21 Multi AV Scanner detection for submitted file 2->21 23 Yara detected MassLogger RAT 2->23 25 3 other signatures 2->25 6 tKfuvt0R6K5VBfC.exe 3 2->6         started        process3 file4 17 C:\Users\user\...\tKfuvt0R6K5VBfC.exe.log, ASCII 6->17 dropped 9 tKfuvt0R6K5VBfC.exe 6->9         started        11 tKfuvt0R6K5VBfC.exe 6->11         started        13 tKfuvt0R6K5VBfC.exe 6->13         started        15 2 other processes 6->15 process5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/46147dd9c691040775f75895df40c6859409a203990a6a96a725e3625c2ddf63/
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Create hunting rule
Status:
Malicious
First seen:
2020-12-07 06:52:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iykh3wogsecao5pxlck56qggqwkatiqdtefgvfvhexrwexbn35rq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
0c55098abd53007222f82e28f2a4babde406ce297215002ade5c819647bb92c9
MassLogger
1a9a0333c8c544cdf43f51eaa895169513c27bdb818f42bb301d476ac1330672
MassLogger
2c0c11555412e75e830be16688aba26096a7110a3befefb865ddf5410a89a297
MassLogger
373ff5729bbb58bba6a9426b0a35c58a921be8b76a3ccf1dd9f99f410af8dddd
MassLogger
604ba7cdc57afe861bba16c1b768428632b09bde9b4b7bef1a74f52175c14071
MassLogger
72072c06a5fe2aa1ebf6d2d0b8882c1e11565bed693b2cff1be63a228b26886b
MassLogger
8c781759c1c14f87be96d1f5e8cb4402c77cd6eae0a60a3a0d4ba1732319bb01
MassLogger
be978699739f217bd2d71f769d8f16ba1a90c519fd10f19475d4e040f9e7c05c
MassLogger
d588c7766dfc23258901040f1ab532e52d1d0a431d3f8d9e308dc92679d8a2c1
MassLogger
e1f6596be115f9fa6aea3ac07636a505c92fadbfb97de7e8f12c67a934c4d38b
MassLogger
+ 570 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/201207-y1rzmy7v32/
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:
46147dd9c691040775f75895df40c6859409a203990a6a96a725e3625c2ddf63
MD5 hash:
58aac818567512ff88b69c5368669940
SHA1 hash:
f8ca48be2c738140d318168020cc24869160b720
Link:
https://www.unpac.me/results/72530191-a51f-42aa-9559-5bb6f9b34df4/
SH256 hash:
c435ea9c707e27a3ab167a8f53b068cb14e9f6354405589d3913b29d00ea4c2f
MD5 hash:
53a9976fa24b1f7fdf5371e2a1dca907
SHA1 hash:
05517f396b0d548db5658c60825ca0dc9abdc1a1
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/72530191-a51f-42aa-9559-5bb6f9b34df4/
Parent samples :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 hash:
99c666e08dfdbb10a12f44b1a83441b7da3fc074b2019dd5d9f7a385d0b0004d
MD5 hash:
81a15747dae07fe5c06948509100d176
SHA1 hash:
2b639604f324902e6f9bc1c069bca11ff9dac982
Link:
https://www.unpac.me/results/72530191-a51f-42aa-9559-5bb6f9b34df4/
SH256 hash:
c88a66cbf00b12c88e2b970b8bc220e970e8465e56098ced24e97d42be901b94
MD5 hash:
a60401dc02ff4f3250a749965097e13f
SHA1 hash:
3f22d28fd765f831084cb972a8bd071e421c26a1
Link:
https://www.unpac.me/results/72530191-a51f-42aa-9559-5bb6f9b34df4/
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/46147dd9c691040775f75895df40c6859409a203990a6a96a725e3625c2ddf63

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:SUSP_Reversed_Base64_Encoded_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an base64 encoded executable with reversed characters
Reference:Internal Research
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
Other
Cape
Cape
https://www.capesandbox.com/analysis/107034/

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