MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13f0c6e6a5c9f192c09a6e3a3768e8e31548b04a6839b28731862707c2689ac2. 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: 13f0c6e6a5c9f192c09a6e3a3768e8e31548b04a6839b28731862707c2689ac2
SHA3-384 hash: 921c770e6c82b608004837668aba9340d8b7bc2878439e92a795968cd0d0c30b099cb0a28fe127e90e690459f3756d5f
SHA1 hash: c65877aa798010bb9a8d725f80268b0268a8d7f8
MD5 hash: 08d0909ef8f0adc051fde2154d65b2c5
humanhash: social-harry-seventeen-ink
File name:Ejgvvuwuu8.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'270'784 bytes
First seen:2020-11-20 07:53:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:EQMbCkvXfDJXsGgZcSg5yBSNw3ubzDGpFjidbyH1wt/a1VGILWmjtFfCFqgVcvtf:RcX9cGiUyBF3sPGpTwYftFfQqFGG
Threatray 548 similar samples on MalwareBazaar
TLSH F6454C7885AF14E1F25BC5755AEEBDA802B2B183A7C69F04C318F871067D7A63F052C9
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: riig.ingent.net
Sending IP: 5.9.127.248
From: David Orbeladze <info@harnnett.es>
Subject: RS LINE LTD New Order
Attachment: V2020.003976 - RS LINE 3905 - 2_pdf.gz (contains "Ejgvvuwuu8.exe")

MassLogger SMTP exfil server:
bh-58.webhostbox.net:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
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:
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/543924
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
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
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: 321059 Sample: Ejgvvuwuu8.exe Startdate: 20/11/2020 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for dropped file 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected MassLogger RAT 2->46 48 7 other signatures 2->48 6 Ejgvvuwuu8.exe 1 6 2->6         started        10 notepads.exe 3 2->10         started        12 notepads.exe 2 2->12         started        process3 file4 22 C:\Users\user\AppData\...\notepads.exe, PE32 6->22 dropped 24 C:\Users\...\notepads.exe:Zone.Identifier, ASCII 6->24 dropped 26 C:\Users\user\AppData\...jgvvuwuu8.exe.log, ASCII 6->26 dropped 50 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 6->50 52 Injects a PE file into a foreign processes 6->52 14 Ejgvvuwuu8.exe 15 2 6->14         started        18 notepads.exe 14 2 10->18         started        20 notepads.exe 2 12->20         started        signatures5 process6 dnsIp7 28 elb097307-934924932.us-east-1.elb.amazonaws.com 54.225.169.28, 49756, 49764, 49765 AMAZON-AESUS United States 14->28 30 nagano-19599.herokussl.com 14->30 32 api.ipify.org 14->32 54 Tries to steal Mail credentials (via file access) 14->54 56 Tries to harvest and steal browser information (history, passwords, etc) 14->56 34 nagano-19599.herokussl.com 18->34 36 api.ipify.org 18->36 38 nagano-19599.herokussl.com 20->38 40 api.ipify.org 20->40 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/13f0c6e6a5c9f192c09a6e3a3768e8e31548b04a6839b28731862707c2689ac2/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-11-20 02:16:10 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cpymnzvfzhyzfqe2ny5do2hi4mkurmckna43fbzrqytqpqtitlba._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
1d3286d29155618ebaf43cfebc809f80daa7d247b9e3c872ea5c48c8109afcd0
MassLogger
1e3f14f932364db4904b69fce12e373e6354f4291dcda0d82a8477a21a9a803f
MassLogger
4e3fbf643241ed1d88707fd4a022c5fb312a75004af4ef18adb0b0fc47e6f5b7
MassLogger
5057b3e15343b23d956143c48a195f14e8fb991f5eaaec694ea3edd04419455b
MassLogger
74162983ed626c05ba65a31fa71a81ff2bc4cabcfe5019a94f63dc32ae873f23
MassLogger
8f24b4adb843172c14b392bcf73f1f46ac8a20091cb22649110bb937f84b281c
MassLogger
a8823b9448d287d781bfaa8eb6b974ed4298a2fb73e6ffc2b9327d8943d238ba
MassLogger
aed72cebee92e2652dddfbec6aa2b2728183b03c62835a2a860480963cae856f
MassLogger
c15a4ca6baeb433bf2c3a74ac3763079baa1ec350dbce6ab54ed2c613e9dd179
MassLogger
c840b9cc10bcbae0e575a43bb9ef69b5cb2ca7c4df9760f155a3ab4d2f689272
MassLogger
+ 538 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/201120-9qlnhb82qs/
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
Checks computer location settings
Reads user/profile data of web browsers
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
13f0c6e6a5c9f192c09a6e3a3768e8e31548b04a6839b28731862707c2689ac2
MD5 hash:
08d0909ef8f0adc051fde2154d65b2c5
SHA1 hash:
c65877aa798010bb9a8d725f80268b0268a8d7f8
Link:
https://www.unpac.me/results/a668a0f9-1893-4c96-bf6f-27780fea696d/
SH256 hash:
6a149c7ad98debba85a343707f2c55d0ecb99614472933dab6cf1ace8a870c91
MD5 hash:
3d3e1ad0dcee3221d8ffdd1c38d5df24
SHA1 hash:
1fd43d362e597a334b2380fbdca3c055baa35ff6
Link:
https://www.unpac.me/results/a668a0f9-1893-4c96-bf6f-27780fea696d/
SH256 hash:
2eb71eee14ba0e7c2c87a575a1593d65f3c3a3a325b8e0512d699c3a4800b58b
MD5 hash:
f414c080076c4b9d6c8923698afe5c6b
SHA1 hash:
b077975ec51874a6893b88bb552906fd857cd44f
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/a668a0f9-1893-4c96-bf6f-27780fea696d/
Parent samples :
6371e9b8a274164dfcf6252a2fc78749feee699a85ae2f6dacccac43ad8ff1a9
8f24b4adb843172c14b392bcf73f1f46ac8a20091cb22649110bb937f84b281c
1e3f14f932364db4904b69fce12e373e6354f4291dcda0d82a8477a21a9a803f
aed72cebee92e2652dddfbec6aa2b2728183b03c62835a2a860480963cae856f
74162983ed626c05ba65a31fa71a81ff2bc4cabcfe5019a94f63dc32ae873f23
1d3286d29155618ebaf43cfebc809f80daa7d247b9e3c872ea5c48c8109afcd0
c840b9cc10bcbae0e575a43bb9ef69b5cb2ca7c4df9760f155a3ab4d2f689272
5539e3ed398f0c0680fe2cc490f9790905a180b3c863c1cb6dfb86048c961a39
d3acf85ea89d3c65b1dcb8c7abb58c7ff5ba4727a72d413fffcbdb9210509c8a
5057b3e15343b23d956143c48a195f14e8fb991f5eaaec694ea3edd04419455b
13f0c6e6a5c9f192c09a6e3a3768e8e31548b04a6839b28731862707c2689ac2
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
Link:
https://www.unpac.me/results/a668a0f9-1893-4c96-bf6f-27780fea696d/
Please note that we are no longer able to provide a coverage score for Virus Total.

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 792634a0252e8f1347eb97eed5417937627392a5ca0d1fdfaa92efa4b37f2725

MassLogger

Executable exe 13f0c6e6a5c9f192c09a6e3a3768e8e31548b04a6839b28731862707c2689ac2

(this sample)

  
Dropped by
MD5 b90db9c72601836a69af3a1b1c37922c
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 792634a0252e8f1347eb97eed5417937627392a5ca0d1fdfaa92efa4b37f2725

Comments