MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c0c08f58ab9503aec6bc937a6e3f648d743d50c68726deffbdad61eefb07ad48. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c0c08f58ab9503aec6bc937a6e3f648d743d50c68726deffbdad61eefb07ad48
SHA3-384 hash: 66cee892b64d870661ece452efb45fb436134273d8307b2ecfcdaf3ae1bea4560aca9a6c3170cecbf0365f52fbe53445
SHA1 hash: 7a9252623020ef2e4844e190afdc736fd79bf0d1
MD5 hash: d597017d265b020b0e98d9f080320b49
humanhash: fillet-comet-hotel-massachusetts
File name:Specifications.gz.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'125'376 bytes
First seen:2021-01-26 12:37:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:Yz4ela14vwLhquqz+AvnkoO2Go0CE1vwANqX5j2iP0yGdAglJVZR:NexvXZz9koOMsVfyGdAAJV3
Threatray 652 similar samples on MalwareBazaar
TLSH 1B352360373CD01BEC6508F81082108A0F719E75B492CBC96CDAB6E957F37F9674A69B
Reporter cocaman
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Specifications.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-26 08:52:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4c31c60f-d0f3-470f-bf70-9947ff37b973

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/114620/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.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
Launching a process
Result
Verdict:
UNKNOWN
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/590613
Signature
Injects a PE file into a foreign processes
Machine Learning detection for sample
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 Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 344350 Sample: Specifications.gz.exe Startdate: 26/01/2021 Architecture: WINDOWS Score: 80 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected MassLogger RAT 2->28 30 Yara detected AntiVM_3 2->30 32 3 other signatures 2->32 7 Specifications.gz.exe 3 2->7         started        process3 file4 22 C:\Users\user\...\Specifications.gz.exe.log, ASCII 7->22 dropped 34 Injects a PE file into a foreign processes 7->34 11 Specifications.gz.exe 2 7->11         started        13 Specifications.gz.exe 7->13         started        15 Specifications.gz.exe 7->15         started        17 Specifications.gz.exe 7->17         started        signatures5 process6 process7 19 dw20.exe 22 6 11->19         started        dnsIp8 24 192.168.2.1 unknown unknown 19->24
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c0c08f58ab9503aec6bc937a6e3f648d743d50c68726deffbdad61eefb07ad48/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-01-26 06:55:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ydai6wflsub25rv4sn5g4p3erv2d2uggq4tn5755vvq656yhvvea._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
175dc1ef3ca07f65986afd11a9ee79ba66d92e8bb2ab11ae0fc2a8a06f630f78
MassLogger
4882ceb8e3f4b34b1446518b39b4d878f59c3ef27124e38aefd67faa9200e127
MassLogger
57b56569fafe3fc9833c76364bef0b53aae2410427dfddd0b3dd18bb151cf465
MassLogger
6efdd15723e5249946db600bca1fb2589778326dd1a4a217fbda9343290c5480
MassLogger
8301f6519bb8ff7d7e82797452fb636b6d54df6c5cbfa4d7b98cb1db38e5b754
MassLogger
8d11ba27a06091c918e76fa6d26cb14254ca651bdcfcc4efe60f99b828a29578
MassLogger
b9a0302982b161ed64592d925e0c7bbd9813f27d0c0bf0db9115c91e53005a34
MassLogger
c3a8830187f24899610607a4537fc6615cd46a640cd01f4abc0577f6a3edf894
MassLogger
daa21287c64f4ddf57136d013858af29aaa8ad92ee7d7cde68531f0b5979c55d
MassLogger
f1321e05a620c4258dabb652cae6f4f5609c8f21c2fa187fa30bb126e46e50b6
MassLogger
+ 642 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/210126-fmyer8fh6n/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
b86448d09e845ea2981f2637b1884fa594e369a6a4a5c4cb6ab30aa58f05c4be
MD5 hash:
9b3edbac6ea60c6148c62850638a5a09
SHA1 hash:
80942bf3a74d9f13c4e4e55807f086fde3a01c2a
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/8e4e17b6-ec84-477c-aef0-3f46f39ccdf8/
SH256 hash:
827b1567aed83bb64c2f80fbc4a993897013a3ee7b0d3ebe6793e3403db4d140
MD5 hash:
9a057132c5036180525f94054c71a6eb
SHA1 hash:
4f8cae092d6447c25d55adb7efe7d275044273c2
Link:
https://www.unpac.me/results/8e4e17b6-ec84-477c-aef0-3f46f39ccdf8/
Parent samples :
2f7e4765fc3bff8324b7353df04b086292c5a70f788d8193c95d1fc00f43f18a
3f8807728cce4b1e55293cd3577fdd36457c1568a23594d4cbfaeab45a10c574
9d4758703ed1e3968a75f93405df6202a6b1b749f7806965560c23237fdfe2b4
SH256 hash:
25b748be64cf351d7b48ff5fc73544654e206cb68165979ebfe9fefa0052816f
MD5 hash:
aa7c859cf9bbc89c5a4b0501271c892c
SHA1 hash:
41da665124de9f5d92cf4b0b733c923e8a095fb9
Link:
https://www.unpac.me/results/8e4e17b6-ec84-477c-aef0-3f46f39ccdf8/
SH256 hash:
c0c08f58ab9503aec6bc937a6e3f648d743d50c68726deffbdad61eefb07ad48
MD5 hash:
d597017d265b020b0e98d9f080320b49
SHA1 hash:
7a9252623020ef2e4844e190afdc736fd79bf0d1
Link:
https://www.unpac.me/results/8e4e17b6-ec84-477c-aef0-3f46f39ccdf8/
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/c0c08f58ab9503aec6bc937a6e3f648d743d50c68726deffbdad61eefb07ad48

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
Create hunting rule
Author:kevoreilly
Description:MassLogger
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.

Malspam

MassLogger

gz 4a0daade9f3d9bd65932448a0ad5fb0ba23111e58ffb0b104237198b7ff21f67

MassLogger

Executable exe c0c08f58ab9503aec6bc937a6e3f648d743d50c68726deffbdad61eefb07ad48

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 4a0daade9f3d9bd65932448a0ad5fb0ba23111e58ffb0b104237198b7ff21f67
Cape
Cape
https://www.capesandbox.com/analysis/114620/

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