MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36a4c21f4c6cc8b615bea7141b510fdd5bbae68ee02b262f8215f88f64cf51f6. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 36a4c21f4c6cc8b615bea7141b510fdd5bbae68ee02b262f8215f88f64cf51f6
SHA3-384 hash: 9c816a08edf7ebd148037c6e9d46045e32cb7323709f240797ad521ea8f8732a884e2b29222d70164f0d05cfbfb04e2b
SHA1 hash: d3c39ff8b425565983aa0277c348e7acb49c0007
MD5 hash: a2efd1ac34c151a0099342619d5d046f
humanhash: bakerloo-magnesium-football-vermont
File name:CHIKWA..exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:21'000 bytes
First seen:2020-12-01 11:58:34 UTC
Last seen:2020-12-01 13:58:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:385FwAHntA1IzaVtmi6U9MbpZ6FLdGV+xdMNqDgf2h:NAHt5q6ZbH6FpC+xTUf2h
Threatray 567 similar samples on MalwareBazaar
TLSH C9923DD0A7985401F2B7DF3067E172A3AF3AF5D3779B8A76E8D002124752640DE612AB
Reporter fabjer
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/106214/
Detection(s):
Porcupine.MSIL.GenKryptik.EXLJ.98788.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Deleting of the original file
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.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/552204
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Connects to a pastebin service (likely for C&C)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
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)
Suspicious powershell command line found
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: 325203 Sample: CHIKWA..exe Startdate: 01/12/2020 Architecture: WINDOWS Score: 100 76 Malicious sample detected (through community Yara rule) 2->76 78 Multi AV Scanner detection for dropped file 2->78 80 Multi AV Scanner detection for submitted file 2->80 82 9 other signatures 2->82 8 CHIKWA..exe 18 6 2->8         started        13 CHIKWA..exe 2->13         started        15 CHIKWA..exe 2->15         started        17 2 other processes 2->17 process3 dnsIp4 70 hastebin.com 104.24.126.89, 443, 49704, 49715 CLOUDFLARENETUS United States 8->70 58 C:\Users\user\AppData\Roaming\...\CHIKWA..exe, PE32 8->58 dropped 60 C:\Users\user\...\CHIKWA..exe:Zone.Identifier, ASCII 8->60 dropped 62 C:\Users\user\AppData\...\CHIKWA..exe.log, ASCII 8->62 dropped 92 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->92 94 Creates an undocumented autostart registry key 8->94 96 Drops PE files to the startup folder 8->96 19 CHIKWA..exe 3 8->19         started        24 cmd.exe 1 8->24         started        72 172.67.143.180, 443, 49736 CLOUDFLARENETUS United States 13->72 98 Creates autostart registry keys with suspicious names 13->98 100 Creates multiple autostart registry keys 13->100 102 Injects a PE file into a foreign processes 13->102 26 cmd.exe 13->26         started        74 192.168.2.1 unknown unknown 15->74 28 cmd.exe 15->28         started        30 cmd.exe 17->30         started        32 cmd.exe 17->32         started        file5 signatures6 process7 dnsIp8 64 mail.banoto.com 19->64 66 banoto.com 93.190.219.149, 49713, 587 AS43260TR Turkey 19->66 68 3 other IPs or domains 19->68 56 C:\Users\user\AppData\...\Dqzimr_btc.exe, PE32 19->56 dropped 84 Suspicious powershell command line found 19->84 86 Tries to steal Mail credentials (via file access) 19->86 88 Tries to harvest and steal browser information (history, passwords, etc) 19->88 90 Adds a directory exclusion to Windows Defender 19->90 34 powershell.exe 22 19->34         started        36 powershell.exe 14 19->36         started        38 conhost.exe 24->38         started        40 timeout.exe 1 24->40         started        42 conhost.exe 26->42         started        48 2 other processes 28->48 44 conhost.exe 30->44         started        46 timeout.exe 30->46         started        50 2 other processes 32->50 file9 signatures10 process11 process12 52 conhost.exe 34->52         started        54 conhost.exe 36->54         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/36a4c21f4c6cc8b615bea7141b510fdd5bbae68ee02b262f8215f88f64cf51f6/
Threat name:
ByteCode-MSIL.Trojan.Scarsi
Create hunting rule
Status:
Malicious
First seen:
2020-12-01 03:54:40 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g2smeh2mntelmfn6u4kbwuip3vn3vzuo4avsml4ccx4i6zgpkh3a._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
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MassLogger
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1e86893e03f2f3bec014fc26e5fabd65fdfa2ddf14111707d0ef20dadf5bcef9
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5057b3e15343b23d956143c48a195f14e8fb991f5eaaec694ea3edd04419455b
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53683da1f2e21ec38952bbde9fd4e04330333cbda4185d1562f99ab31af17ea5
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5539e3ed398f0c0680fe2cc490f9790905a180b3c863c1cb6dfb86048c961a39
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a8823b9448d287d781bfaa8eb6b974ed4298a2fb73e6ffc2b9327d8943d238ba
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c15a4ca6baeb433bf2c3a74ac3763079baa1ec350dbce6ab54ed2c613e9dd179
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cc3b971f25d0ad410dbe3b7d1d6235041eb36632d0ea6e8d34a6a94e41d79df3
MassLogger
+ 557 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/201201-3dphhhsbfn/
Behaviour
Delays execution with timeout.exe
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
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Deletes itself
Executes dropped EXE
MassLogger
MassLogger Main Payload
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
36a4c21f4c6cc8b615bea7141b510fdd5bbae68ee02b262f8215f88f64cf51f6
MD5 hash:
a2efd1ac34c151a0099342619d5d046f
SHA1 hash:
d3c39ff8b425565983aa0277c348e7acb49c0007
Link:
https://www.unpac.me/results/cde34388-39aa-4f3e-9de8-e3467dd78977/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/36a4c21f4c6cc8b615bea7141b510fdd5bbae68ee02b262f8215f88f64cf51f6

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

MassLogger

rar 5c7d1786038e2e4b72642a0f387bdc9ff11c07384b95d31054205d1a3232732a

MassLogger

Executable exe 36a4c21f4c6cc8b615bea7141b510fdd5bbae68ee02b262f8215f88f64cf51f6

(this sample)

  
Dropped by
SHA256 5c7d1786038e2e4b72642a0f387bdc9ff11c07384b95d31054205d1a3232732a
  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/106214/

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