MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efcb7e7f2d7fc92675b9d189448047612847392bfc10f9324e04a4c6c9c203bd. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efcb7e7f2d7fc92675b9d189448047612847392bfc10f9324e04a4c6c9c203bd
SHA3-384 hash: 093217c0f219b6431a99c67668e818b586ee58ee001c6a8e2d354fcc27471d406ec189ac01005fea5494fafedb5ccf70
SHA1 hash: 2d71d1d5217977794946378bf6c6017b3775fd6a
MD5 hash: b10ed3e241e4f0ff758cf395a8204c77
humanhash: neptune-lamp-harry-nitrogen
File name:KREG New Order - AM2 PO 90664 (Panda Construction).exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:745'984 bytes
First seen:2020-07-17 05:12:14 UTC
Last seen:2020-07-17 06:02:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:6vF2k4zUJ5Su7ZUyuFFF8MDHRsuP5lbSHfIkszZZDUiCObcTYUCh+oiMBa49P:6OuBwFF8eWKRCc9ZDHPQsJ+DM9P
Threatray 716 similar samples on MalwareBazaar
TLSH 93F412ED2DA89812DB9C0EB94C20E97066702E96F5F1FA5833D4FE9F3071719E684352
Reporter cocaman
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Ispy
Create hunting rule
Link:
https://www.capesandbox.com/analysis/27177/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.59928.29019.4505.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Enabling autorun with Startup directory
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/388895
Signature
Found malware configuration
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)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efcb7e7f2d7fc92675b9d189448047612847392bfc10f9324e04a4c6c9c203bd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 19:48:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=57fx47znp7esm5nz2geujachmeueoojl7qipsmsoassmnsocao6q._file
Verdict:
unknown
Similar samples:
016e3777c66eb1d3ebc04c573a0b9f9dca639d32312b87e68d84934b13e02a9c
MassLogger
1146e4d995c67932f70852ddd73410efbf0ecfbe227fa9834ec7dfea12cb6097
MassLogger
3d0fc511748582c4c2d6a1e46d10f1fe8116803ab7400d571e43997fb1f23201
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7dca78670f25be48dc43566c5d13185a9f6fa638f7bca006ebbb16f433b6bba1
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9b6b2038805b770162eb920f87e9ca06742f72d7b2034883c9b90d41e0c06e93
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b676494a4538d77ebd0d61fac6e6b2609201f46c9c63fd817990b48b8031bb71
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cae79bd87462cf7f5134c476db64c8c9c081d512a27936deb7cf7b507079f329
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d03604742aa161bb8a0f7f8a28ccc184ac59e1ea4e6de9e20dcaa898ddeac3d3
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dee1fa115a3e06310b958baca7bf709144f770de027ab3c615f6937b7544cd75
MassLogger
e0c5b0ed76a720cb7b40e0712b5d39800c5e7b2cb8c4f24e0b2de53bb5141b44
MassLogger
+ 706 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware stealer spyware family:masslogger
Link:
https://tria.ge/reports/200717-ydbecf652j/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
MassLogger
MassLogger log file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/efcb7e7f2d7fc92675b9d189448047612847392bfc10f9324e04a4c6c9c203bd

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:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:masslogger_gcch
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

rar b3efc3524b8db0b1f4d10f9109c1da1730fa3682569b001f69bfb55bf46a6bf0

MassLogger

Executable exe efcb7e7f2d7fc92675b9d189448047612847392bfc10f9324e04a4c6c9c203bd

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 b3efc3524b8db0b1f4d10f9109c1da1730fa3682569b001f69bfb55bf46a6bf0
Cape
Cape
https://www.capesandbox.com/analysis/27177/

Comments