MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 10532b67aa0e421cbd04f79e1da3829be0d0a2ca5feb939f4962c7b2f79353c1. 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: 10532b67aa0e421cbd04f79e1da3829be0d0a2ca5feb939f4962c7b2f79353c1
SHA3-384 hash: 651887d7a9be8252f96cfb9be61b8d03e706c485f9565fa66ac1c97efe01794054b6c516ca7f3edce6d3b05772b745c0
SHA1 hash: 6b388d27a281933f3451786d6f7c75908d23c25f
MD5 hash: 98c94f48b01d4cd5c9d3ca43207ededd
humanhash: william-lemon-timing-oscar
File name:1564028911-035110-sanlccjavap0004-1.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'437'696 bytes
First seen:2020-11-06 07:12:48 UTC
Last seen:2020-11-06 08:43:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:GR7OQcgja/aN24X+S108iVp95TZp27vFFff6nnjqKoe:XjqKoe
Threatray 545 similar samples on MalwareBazaar
TLSH 2E657CF4609E10A1F65F4576A6AEBD9402B2B5D7CBCA5948037CF2720BFBB623E0150D
Reporter abuse_ch
Tags:ESP exe geo MassLogger Santander


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: mail666a.masbytes.es
Sending IP: 5.56.160.160
From: Factoring y Confirming - Grupo Santander <fycout@gruposantander.es>
Subject: Notificación de demora de remesas.
Attachment: 1564028911-035110-sanlccjavap0004-1.r00 (contains "1564028911-035110-sanlccjavap0004-1.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Inject4.4301.18531.27177.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Creating a window
Launching a process
Reading critical registry keys
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
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/522143
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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: 310171 Sample: 1564028911-035110-sanlccjav... Startdate: 06/11/2020 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 7 other signatures 2->40 8 1564028911-035110-sanlccjavap0004-1.exe 1 2->8         started        process3 file4 26 1564028911-035110-...javap0004-1.exe.log, ASCII 8->26 dropped 42 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->42 44 Injects a PE file into a foreign processes 8->44 12 1564028911-035110-sanlccjavap0004-1.exe 15 2 8->12         started        16 1564028911-035110-sanlccjavap0004-1.exe 8->16         started        18 1564028911-035110-sanlccjavap0004-1.exe 8->18         started        20 2 other processes 8->20 signatures5 process6 dnsIp7 28 elb097307-934924932.us-east-1.elb.amazonaws.com 54.204.14.42, 49732, 80 AMAZON-AESUS United States 12->28 30 192.168.2.1 unknown unknown 12->30 32 2 other IPs or domains 12->32 46 Tries to steal Mail credentials (via file access) 12->46 48 Tries to harvest and steal browser information (history, passwords, etc) 12->48 50 Adds a directory exclusion to Windows Defender 12->50 22 powershell.exe 26 12->22         started        signatures8 process9 process10 24 conhost.exe 22->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/10532b67aa0e421cbd04f79e1da3829be0d0a2ca5feb939f4962c7b2f79353c1/
Threat name:
ByteCode-MSIL.Infostealer.Maslog
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Status:
Malicious
First seen:
2020-11-05 11:09:23 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cbjswz5kbzbbzpie66pb3i4ctpqnbiwkl7vzhh2jmld3f54tkpaq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
1dcfc63f38d7f52434d71f4befe9fdb233ebff022ddc1960ce8747d9c3727a59
MassLogger
322cdafdbecbb10cebb964011c87d6c5fff3951cf2b71fe3cf9e92636ade84b6
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657ce0145781e930d93e0cf3953390f98f22323be721a6d44db6342a44aea27f
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84ff047bcfc4af6e249a5b466477d1b72cf261fc5a40752a62a149158118224e
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87846ad003a6ae72132bc3771c9179a5d9ed1857eca281fd53bab57ff6e93de1
MassLogger
a4b3f2e56eed3604a93d6f4705bc9631347f5166b661f37bc9ebb074ea5a50d5
MassLogger
c7573f0e33614200aabd85a18762922a3911f96f27f14829b3a36e325aed2d03
MassLogger
cc0a089658a684db93cace34d85bbbb94d3950425517ec12fd41ea620822bcf2
MassLogger
d6b834570825a606942ff096f5ad3df33f58082be5a68bab447bc9af4b114e95
MassLogger
fb48e485512f92d6e899abf4f0377868c800e069c516c03c414e73ddd584d008
MassLogger
+ 535 additional samples on MalwareBazaar
Result
Malware family:
masslogger
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Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/201106-jrd32pwez6/
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:
10532b67aa0e421cbd04f79e1da3829be0d0a2ca5feb939f4962c7b2f79353c1
MD5 hash:
98c94f48b01d4cd5c9d3ca43207ededd
SHA1 hash:
6b388d27a281933f3451786d6f7c75908d23c25f
Link:
https://www.unpac.me/results/501518d1-0912-4a86-b7c2-944c96ea1129/
SH256 hash:
49b58c17a00fcc1f2f5b54d7ea4a51de450357771cc796b1c0ec2511bfebb234
MD5 hash:
03e60611e236476f00b94a2f748fdaf6
SHA1 hash:
18be6e3462d2f61f814148a77f26518ec6a7453b
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/501518d1-0912-4a86-b7c2-944c96ea1129/
SH256 hash:
07fba9e793fc32c48e3ecda1a25cecdb22d55946845a91b3c5e1482c0a67bfb3
MD5 hash:
4e520b59b96a9f17726fbf3c70538c6f
SHA1 hash:
8c8cff077d8e9763c151a20581ad087ff6ba1098
Link:
https://www.unpac.me/results/501518d1-0912-4a86-b7c2-944c96ea1129/
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
Link:
https://www.unpac.me/results/501518d1-0912-4a86-b7c2-944c96ea1129/
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_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: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

r00 1a1895c5cbfa18b25e0616134fba6f8d61eea176458e6831471f2e5c4ec72ff6

MassLogger

Executable exe 10532b67aa0e421cbd04f79e1da3829be0d0a2ca5feb939f4962c7b2f79353c1

(this sample)

  
Dropped by
MD5 4140f856a1c65c186696b27882de8e37
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 1a1895c5cbfa18b25e0616134fba6f8d61eea176458e6831471f2e5c4ec72ff6

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