MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b81bb8eba4f537a34f2ca2ab55b98b28eda558e2ef11a3fcf2f167f4ef6b66c. 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


Xtrat


Vendor detections: 5


Intelligence 5 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b81bb8eba4f537a34f2ca2ab55b98b28eda558e2ef11a3fcf2f167f4ef6b66c
SHA3-384 hash: 7b38b26eed25479029ed2d94de96154f867c306c7603b2206500ae476c9c07702fa6418b732728fbc64b2f3caf9e3c72
SHA1 hash: 789cb9f8527267e2fc5d8d43b703d983e377cd9a
MD5 hash: 79c8f50c8f8b81fa783825f15c1406e5
humanhash: kitten-twelve-lake-venus
File name:1b81bb8eba4f537a34f2ca2ab55b98b28eda558e2ef11a3fcf2f167f4ef6b66c
Download: download sample
Signature Xtrat
Create hunting rule
File size:239'977 bytes
First seen:2020-06-16 09:37:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f433e7fcc51e68080022754836705744 (1 x Xtrat, 1 x Neurevt)
ssdeep 6144:Y+TtM91CgGGGGGGGGHGGGGGGGGGGGGGGGGGGGGGGGGGGGGXvWarVAB7rBJ3zuQXl:vMGfBJSOZ/kmD6O7
Threatray 65 similar samples on MalwareBazaar
TLSH 433402961E30A391EEB50370345EF6573DE1B66D15B2AE4E91C43E7BBB2F354DA04090
Reporter JAMESWT_WT
Tags:Xtrat

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Xtreme
Create hunting rule
Link:
https://www.capesandbox.com/analysis/10789/
Detection(s):
PUA.Win.Packer.Execryptor-27
Create hunting rule

PUA.Win.Packer.EXECryptor-1
Create hunting rule

PUA.Win.Packer.Execryptor-24
Create hunting rule

PUA.Win.Packer.Execryptor-8
Create hunting rule

PUA.Win.Packer.Execryptor-20
Create hunting rule

PUA.Win.Packer.Execryptor-10
Create hunting rule

PUA.Win.Packer.Execryptor-28
Create hunting rule

PUA.Win.Packer.Execryptor-32
Create hunting rule

Gathering data
Threat name:
Win32.Worm.Remtasu
Create hunting rule
Status:
Malicious
First seen:
2014-04-28 18:19:00 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
28 of 48 (58.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=doa3xdv2j5jxunhszivlkw4ywkhnuvmof3yrup6pf4lh6txwwzwa._file
Verdict:
malicious
Similar samples:
07cd5128e0d8dba2bf9917891e8e4d3685b58a09df51101a872ebf41a7043418
Xtrat
0bda455745bf357aceefb490c19c47e70b7e65ea11fd9352200f98e795c8cbdc
Xtrat
6b9d9ef4e25d596f922c55d1f210da67cb125034d62c8e639c1f44258dfb4ede
Xtrat
7b3038c1373ca79b19dc5789778a1a0cf38d49a0fcda94d9288be6f648d9d269
Xtrat
8b9168d5ab359866b52639ef7dc5f25a8154707569bd1cb0fa9200a2293cbefe
Xtrat
af504337b51f5fb5bcc3c779afc95bf5b167431660ebd8b71fcfdff1ec9e227a
Xtrat
bea7862dffe387d422fb7f11c92989064c6b396ca9ef5687fa28262e2de83e2d
Xtrat
c121b14316a1f7976c4337f37c29acd3a1efeff592617736b1ae1e6d3bf04b09
Xtrat
c8b1cce5ae65d68b7ca2a419b1499d7bec6e4e3d1e04d3e3f040eeaeb6080146
Xtrat
dec8034e880b3ea1bdbc16f358c8fdfecf119d6159d7dcce065ecb173697dbf4
Xtrat
+ 55 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/200624-mtr2dbrnbe/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
UPX packed file
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:RAT_Xtreme
Create hunting rule
Author:Kevin Breen <kevin@techanarchy.net>
Description:Detects Xtreme RAT
Reference:http://malwareconfig.com/stats/Xtreme
Rule name:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:win_extreme_rat_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_extreme_rat_w0
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:Xtrem RAT v3.5
Rule name:Xtreme_Sep17_1
Create hunting rule
Author:Florian Roth
Description:Detects XTREME sample analyzed in September 2017
Reference:Internal Research

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/10789/

Comments