MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a62e4e1d21bdc64eea17d8bbc4ab5e6c48dc57abbb470322c3357abdef15341f. 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


QuasarRAT


Vendor detections: 4


Maldoc score: 6


Intelligence 4 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a62e4e1d21bdc64eea17d8bbc4ab5e6c48dc57abbb470322c3357abdef15341f
SHA3-384 hash: ce0228df2eebddcf0c39c5d70450fbe37c4fdb72f8488c654860db0b079286b0bf6c60b412d26e8fd48f3b7423268a53
SHA1 hash: 7f10ababbbae43c19e3fc8372149295d080e6664
MD5 hash: 51117048f60112083153e2037404296a
humanhash: south-seventeen-quebec-timing
File name:Inquiry prooduct 394093030020010872.xlsm
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:53'112 bytes
First seen:2020-10-28 09:03:48 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:+eP9Adp9CMleXZfeuzokrlGgXFpZpsMOsMD+udzbRWy+h:fPKpMMlalZznNLmMOsMDvRM
TLSH 2333F10E2FC5500ACEA66E3B26EF2457F2A6C3614217F52BB5A0534C8342B9522875FB
Reporter abuse_ch
Tags:nVpn QuasarRAT RAT xlsm


Avatar
abuse_ch
Malspam distributing QuasarRAT:

HELO: win.9ten.net
Sending IP: 153.120.3.116
From: Import 02 <a.farid@backcomfort.com.sa>
Subject: customer inquiry 77070847783993
Attachment: Enquiry for your product.zip (contains "Inquiry prooduct 394093030020010872.xlsm")

QuasarRAT payload URL:
http://185.29.11.32/qq.exe

QuasarRAT C2:
185.140.53.186:2626

Hosted on nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@privacyfirst.sh'

inetnum: 185.140.53.0 - 185.140.53.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-BE
country: BE
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-10-02T20:59:33Z
source: RIPE

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id
Maldoc score: 6
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
SuspiciousCreateMay execute file or a system command through WMI
SuspiciousCreateObjectMay create an OLE object
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
1
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/514828
Signature
A
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d
e
f
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l
M
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o
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S
t
u
V
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a62e4e1d21bdc64eea17d8bbc4ab5e6c48dc57abbb470322c3357abdef15341f/
Threat name:
Script-Macro.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2020-10-28 08:30:31 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uyxe4hjbxxde52qx3c54jk26nrenyv5lxndqgiwdgv5l33yvgqpq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/201028-xnp1leqvfe/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Suspicious use of FindShellTrayWindow
Office loads VBA resources, possible macro or embedded object present
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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Malspam

QuasarRAT

zip c50ffe649d1f35acd88821055d2e6015b1fdcc3b52a12e3a01b7bfed61000135

QuasarRAT

Excel file xlsm a62e4e1d21bdc64eea17d8bbc4ab5e6c48dc57abbb470322c3357abdef15341f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/760134/
  
Dropped by
MD5 cf5e3ac1c37d4ff84bd9c34a51ac0d1a
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 c50ffe649d1f35acd88821055d2e6015b1fdcc3b52a12e3a01b7bfed61000135

Comments