MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed88adb1fab6005e7c44cb02346bd417aa47a32b0e14ec5c117156dadd37bc79. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ed88adb1fab6005e7c44cb02346bd417aa47a32b0e14ec5c117156dadd37bc79
SHA3-384 hash: 7b2df7a31649f6f439209db78ade2e2dce978a327647c73f6bde3af880dfcfa922e4d8099226a0650a0c965681810c6e
SHA1 hash: b76c0afa2b28452a5f2dc4c223d8e708268f6959
MD5 hash: 4c3f4f6690113cb6bfe349a2013eb4da
humanhash: johnny-july-south-seventeen
File name:BUILDING ORDER_PROPERTY SPECS.scr
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'413'632 bytes
First seen:2020-11-20 07:42:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:O9DmJQXyb5Ad4tGgUJJ1528LMhEMSoWN2D1zF:
Threatray 548 similar samples on MalwareBazaar
TLSH 01654AF0889A0C50E72F5431623B3D5002F2BCDB9FC17E68A33DF676197A5663A1664E
Reporter abuse_ch
Tags:Hostwinds MassLogger scr


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: hwc-hwp-617202-806257hwsrv-806257.hostwindsdns.com
Sending IP: 104.168.133.90
From: Carlos Castilo <property01@vilanosproperties.com>
Subject: Interested In the Property
Attachment: BUILDING ORDER_PROPERTY SPECS.BZ (contains "BUILDING ORDER_PROPERTY SPECS.scr")

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
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
Gathering data
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/543804
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Initial sample is a PE file and has a suspicious name
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: 321001 Sample: BUILDING ORDER_PROPERTY SPECS.scr 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 9 other signatures 2->48 6 BUILDING ORDER_PROPERTY SPECS.exe 1 6 2->6         started        10 vlc.exe 2 2->10         started        12 vlc.exe 3 2->12         started        process3 file4 22 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 6->22 dropped 24 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 6->24 dropped 26 C:\...\BUILDING ORDER_PROPERTY SPECS.exe.log, ASCII 6->26 dropped 50 Injects a PE file into a foreign processes 6->50 14 BUILDING ORDER_PROPERTY SPECS.exe 15 2 6->14         started        18 vlc.exe 10->18         started        20 vlc.exe 14 2 12->20         started        signatures5 process6 dnsIp7 28 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.182.194, 49730, 80 AMAZON-AESUS United States 14->28 36 2 other IPs or domains 14->36 52 Tries to steal Mail credentials (via file access) 14->52 30 54.235.142.93, 49744, 80 AMAZON-AESUS United States 18->30 38 2 other IPs or domains 18->38 54 Tries to harvest and steal browser information (history, passwords, etc) 18->54 32 54.235.83.248, 49741, 80 AMAZON-AESUS United States 20->32 34 192.168.2.1 unknown unknown 20->34 40 2 other IPs or domains 20->40 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ed88adb1fab6005e7c44cb02346bd417aa47a32b0e14ec5c117156dadd37bc79/
Threat name:
ByteCode-MSIL.Infostealer.Maslog
Create hunting rule
Status:
Malicious
First seen:
2020-11-19 23:26:25 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5wek3mp2wyaf47cezmbdi26uc6vepizlbykoyxaroflnvxjxxr4q._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
2fea8f7c727460dfd943dce7f9bb051f188f37a0150a132039a1892f18749ff3
MassLogger
37899ec2bb2af9ca237b54707d5e7fdff2618bbe743144f71a3338de8bca2c62
MassLogger
5dd8cf7e789bc36a9a069cf42247f758e8900f8913c88e5ac84328d30e6d7c99
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70caf501b061da2729d33d4b0c5e9b9c58bc554cdbdddef16f7e057ea346808c
MassLogger
9bf180bb7b3cc0fcc6d01b68e2aa82d2f853e081ec71e34942d875324a2415b4
MassLogger
9c4a2d8473718bdb1725450b6f0567098006b9aa89fbd913acab1bab0857143d
MassLogger
a2b0e9c1ea03a3a538fe9ef7f8e6dbf4c08feba8560e238e29fce0dd2f2e144b
MassLogger
ca18e92f0eb610f92ce008b708acdca5969f308e319f5f128099514948dbd808
MassLogger
cc8e79ce79d0078b6483062f8fc8d187f5fdcf92c9f51db25551a19d22af0a87
MassLogger
ce073fce9de335c288fe205d5bf7fbdd9fd3ecc718821116dbad098f176a69de
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-gyyetwsr1a/
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:
ed88adb1fab6005e7c44cb02346bd417aa47a32b0e14ec5c117156dadd37bc79
MD5 hash:
4c3f4f6690113cb6bfe349a2013eb4da
SHA1 hash:
b76c0afa2b28452a5f2dc4c223d8e708268f6959
Link:
https://www.unpac.me/results/f06d6da2-efed-4382-b47b-0357a8f0e3f1/
SH256 hash:
80e8f1478cb54806076508f49e09315d91653eeee05455e232a8ee914824c73e
MD5 hash:
08b0f46b82fbf5cf2bd30f11b5f885f5
SHA1 hash:
149d321f8bee1023de1bc21d8491e4414c601c79
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/f06d6da2-efed-4382-b47b-0357a8f0e3f1/
SH256 hash:
212d64e0abd290ddd9c95273dc95b47d1acfc74acc58f20eb09afffd4e0267d7
MD5 hash:
3351ee9945ecd07486cf438a56d8efde
SHA1 hash:
58235dfc128ccfdcb52e25da5e7952786af7c305
Link:
https://www.unpac.me/results/f06d6da2-efed-4382-b47b-0357a8f0e3f1/
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
Link:
https://www.unpac.me/results/f06d6da2-efed-4382-b47b-0357a8f0e3f1/
Malware family:
zgRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ed88adb1fab6/report/overview.html
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

zip b647b22504f9880336cba67776e7f72c4706ea683005e0eff799c4731007bd7f

MassLogger

Executable exe ed88adb1fab6005e7c44cb02346bd417aa47a32b0e14ec5c117156dadd37bc79

(this sample)

  
Dropped by
MD5 7bcab2a5ad7e54a895c44289004f2502
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b647b22504f9880336cba67776e7f72c4706ea683005e0eff799c4731007bd7f

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