MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb25872744b711f6c9290d7ce2d3cf371e89c9919c8d77786ab528e47034d0e3. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb25872744b711f6c9290d7ce2d3cf371e89c9919c8d77786ab528e47034d0e3
SHA3-384 hash: c8a77c6e5c5c8c0fe85d0c86d70b3b654e692bb1e7823927353b22fe7359c384705d25b8ed7125b8a56786b39e6966b7
SHA1 hash: 0de5dceff618d3e027381f2c543d8d6dcbebb089
MD5 hash: 34dcc08af900c9dbd6cc88c5a2ba42ef
humanhash: jig-hamper-speaker-indigo
File name:34dcc08af900c9dbd6cc88c5a2ba42ef.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:60'904 bytes
First seen:2020-12-18 07:47:58 UTC
Last seen:2020-12-18 09:59:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'645 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 768:bdQkzfcKOxMEkBgsb1vDRVfFJSoeUdXBcXHGflvx/FIwJGu8Uf2hs:bd8xMlb12oeSyUf
Threatray 15 similar samples on MalwareBazaar
TLSH C953EDD1AEF8898BD41EF33D12D931027F660E7426368B4B466735A368D23446EDE80F
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 :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
34dcc08af900c9dbd6cc88c5a2ba42ef.exe
Verdict:
Malicious activity
Analysis date:
2020-12-18 07:50:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/40e4f58b-8a58-45c6-abd7-77e5474d3158

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/108315/
Detection(s):
SecuriteInfo.com.Trojan.DownloaderNET.106.23945.19837.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending a UDP request
Launching the default Windows debugger (dwwin.exe)
Sending a TCP request to an infection source
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:
96 / 100
Link:
https://www.joesandbox.com/analysis/566044
Signature
Connects to a pastebin service (likely for C&C)
Contains functionality to hide a thread from the debugger
Hides threads from debuggers
Injects a PE file into a foreign processes
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)
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: 332100 Sample: AwP49Mzmo1.exe Startdate: 18/12/2020 Architecture: WINDOWS Score: 96 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected MassLogger RAT 2->38 40 May check the online IP address of the machine 2->40 42 3 other signatures 2->42 7 AwP49Mzmo1.exe 15 3 2->7         started        process3 dnsIp4 28 hastebin.com 104.24.127.89, 443, 49742 CLOUDFLARENETUS United States 7->28 44 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->44 46 Hides threads from debuggers 7->46 48 Injects a PE file into a foreign processes 7->48 50 Contains functionality to hide a thread from the debugger 7->50 11 AwP49Mzmo1.exe 2 7->11         started        15 WerFault.exe 23 9 7->15         started        18 cmd.exe 1 7->18         started        20 AwP49Mzmo1.exe 7->20         started        signatures5 process6 dnsIp7 30 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.42.25, 49744, 80 AMAZON-AESUS United States 11->30 32 nagano-19599.herokussl.com 11->32 34 api.ipify.org 11->34 52 Tries to steal Mail credentials (via file access) 11->52 54 Tries to harvest and steal browser information (history, passwords, etc) 11->54 26 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 15->26 dropped 22 conhost.exe 18->22         started        24 timeout.exe 1 18->24         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb25872744b711f6c9290d7ce2d3cf371e89c9919c8d77786ab528e47034d0e3/
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Create hunting rule
Status:
Malicious
First seen:
2020-12-17 13:21:07 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7msyoj2ew4i7nsjjbv6ofu6pg4pitsmrtsgxo6dkwuuoi4bu2drq._file
Verdict:
unknown
Similar samples:
0c6dbb5a8b9e0e7189b201b4387c4d23f2eec78a1b8c66834fc51a10b9f992f9
MassLogger
1af16016b5773b6d22f0d0e5f93392e909d3505d22ef1cefb8127798de67760f
MassLogger
29eb1cc47e1691ce931b66a745b10f88dff84fbdd8b8ec7b407137c362a9154f
MassLogger
320592aa53514c7fd425f4c691e4be802ca964955d5a6fdd960a8725c36737b4
MassLogger
460a8a0cd9f84fc66efee342cbca339d6d2791a3bcf1ccd4ac0e1974b12dad97
MassLogger
8bb625e15877474a379c52910cf7741a3b356416f89c019456d740aae69aea33
MassLogger
93f290cc7d1addf57b72773a12b307ba5598c086339d176d9a24a641a7e69d08
MassLogger
9cef44491d14577c5041187e34b13b784c7f26ab95ead4db16081e8c3d9c8a1d
MassLogger
cb866da199696cea1ffe6bd8498c1d2bcf3dd75772291e0d454c4e82c6a51272
MassLogger
e3c342be37ab6f49260bc36cec49561b08479b1a577ec2df7b634caffd585d96
MassLogger
+ 5 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/201218-y9fkfj1t72/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
fb25872744b711f6c9290d7ce2d3cf371e89c9919c8d77786ab528e47034d0e3
MD5 hash:
34dcc08af900c9dbd6cc88c5a2ba42ef
SHA1 hash:
0de5dceff618d3e027381f2c543d8d6dcbebb089
Link:
https://www.unpac.me/results/917e7f01-c997-4593-acd7-0eaf44a5b1b9/
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/fb25872744b711f6c9290d7ce2d3cf371e89c9919c8d77786ab528e47034d0e3

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.

Web download

MassLogger

Executable exe fb25872744b711f6c9290d7ce2d3cf371e89c9919c8d77786ab528e47034d0e3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/924829/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/108315/

Comments