MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2879adfdc75edca43bc8f932be560b6ee1ad6c0925493c9916375a6960b778c8. 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


Quakbot


Vendor detections: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2879adfdc75edca43bc8f932be560b6ee1ad6c0925493c9916375a6960b778c8
SHA3-384 hash: dc92dbfe2eab23088c1d175e5eb3cfd877284e514eb38a342ae03d54c7d05ae1e83b5d8235070c671db2210cf7907c27
SHA1 hash: 8de60fbbca4775c39fb06f48ad2847781b84c4fc
MD5 hash: 4ab3cd041c47d3f028ed2226cae80aba
humanhash: timing-quebec-timing-lake
File name:Refusal-1934537145-10062020.xls
Download: download sample
Signature Quakbot
Create hunting rule
File size:52'736 bytes
First seen:2020-10-08 06:11:57 UTC
Last seen:2020-10-08 07:17:36 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:W17uDphYHceXVhca+fMHLtyeGx2zZ8NOiC1D6yzsFuBCKLK2L:W17uDphYHceXVhca+fMHLtyeGx2zZ8N+
TLSH 5333E89AF7459809E906433981E742E6232BFC414F674787378CF30A7FF96814A4B697
Reporter abuse_ch
Tags:1and1 abc015 LLC MILKY PUT Qakbot qbot Quakbot xls


Avatar
abuse_ch
Malspam distributing Quakbot:

HELO: mout-xforward.kundenserver.de
Sending IP: 82.165.159.6
From: <c.marcet@aimv.fr>
Subject: Re: Quote for Litho Printing
Attachment: Refusal-1934537145-10062020.zip (contains "Refusal-1934537145-10062020.xls")

Quakbot payload URL:
http://celebridge.in/ptqsrjbebf/530340.png

Quakbot C2s:
71.163.222.203:443
166.62.183.139:2078
65.131.32.110:995
117.215.192.15:443
77.31.120.194:995
173.245.152.231:443
181.91.252.68:443
2.51.221.138:995
86.126.108.242:2222
59.96.167.189:443
80.240.26.178:443
84.117.176.32:443
72.204.242.138:32102
197.133.16.204:443
71.221.92.98:443
191.84.8.255:443
98.16.204.189:995
72.186.1.237:443
2.50.159.48:2222
70.124.29.226:443
66.208.105.6:443
69.40.16.109:443
151.73.118.54:443
173.70.165.101:995
96.227.127.13:443
199.116.241.147:443
71.126.139.251:443
109.93.11.111:995
80.14.209.42:2222
184.21.136.237:443
207.255.161.8:993
47.44.217.98:443
71.187.170.235:443
78.97.3.6:443
190.220.8.10:443
108.46.145.30:443
184.97.132.62:443
45.77.193.83:443
98.26.50.62:995
199.247.22.145:443
45.32.155.12:443
155.186.9.160:443
96.30.198.161:443
41.230.209.248:443
207.246.75.201:443
65.30.213.13:6882
72.204.242.138:990
208.99.100.129:443
72.204.242.138:443
24.71.28.247:443
108.5.34.248:443
70.168.130.172:995
103.238.231.40:443
73.228.1.246:443
86.126.17.13:443
217.162.149.212:443
108.191.28.158:443
207.255.161.8:995
24.122.0.90:443
188.27.178.166:443
184.180.157.203:2222
72.204.242.138:53
79.115.145.186:2222
93.113.177.152:443
45.32.154.10:443
74.109.219.145:443
172.78.30.215:443
67.60.113.253:2222
24.139.132.70:443
61.230.5.67:443
66.215.32.224:443
89.137.211.239:443
178.87.45.114:443
24.27.82.216:2222
2.50.57.36:443
186.6.203.170:443
141.158.47.123:443
80.195.103.146:2222
134.228.24.29:443
72.204.242.138:32100
100.4.173.223:443
66.26.160.37:443
24.234.86.201:995
2.7.65.32:2222
72.190.101.70:443
207.255.161.8:443
217.165.96.127:990
207.255.18.67:443
72.28.255.159:995
72.204.242.138:50001
86.177.171.45:2222
95.179.247.224:443
199.247.16.80:443
188.25.96.68:443
117.218.208.239:443
156.213.145.107:443
95.77.223.148:443
71.19.217.23:443
188.247.252.243:443
72.66.47.70:443
71.12.214.209:2222
188.27.199.113:2222
35.134.202.234:443
75.136.26.147:443
165.0.182.63:995
70.174.20.7:443
68.225.60.77:443
2.50.131.64:443
66.222.88.126:995
77.27.174.49:995
68.14.210.246:22
50.244.112.106:443
184.98.103.204:995
72.204.242.138:20
96.18.240.158:443
93.149.253.201:2222
103.206.112.234:443
74.105.52.200:443
188.25.130.161:443
31.215.193.110:443
90.175.88.99:2222
216.201.162.158:443
74.75.237.11:443
75.136.40.155:443
24.37.178.158:443
5.193.181.221:2078
203.106.195.67:443
71.217.125.53:2222
203.198.96.200:443
144.139.47.206:443
67.170.137.8:443
67.8.103.21:443
173.22.125.129:2222
81.133.234.36:2222
190.85.91.154:443
71.80.66.107:443
96.243.35.201:443
59.26.204.144:443
89.42.142.35:443
41.97.44.46:443
24.43.22.220:993
68.13.99.24:443
84.232.238.30:443
41.36.61.159:995
197.210.96.222:995
69.11.247.242:443
2.88.12.102:995
47.138.201.136:443
185.19.190.81:443

Intelligence

File Origin
# of uploads :
2
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Launching a process by exploiting the app vulnerability
Result
Threat name:
Hidden Macro 4.0
Create hunting rule
Detection:
malicious
Classification:
expl.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/484984
Signature
Antivirus detection for URL or domain
Document exploit detected (UrlDownloadToFile)
Found abnormal large hidden Excel 4.0 Macro sheet
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2879adfdc75edca43bc8f932be560b6ee1ad6c0925493c9916375a6960b778c8/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fb4237ohl3okio6i7ezl4vqln3q223ajevetzgiwg5ngsyfxpdea._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/201008-q25kjpypfe/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Enumerates system info in registry
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2879adfdc75edca43bc8f932be560b6ee1ad6c0925493c9916375a6960b778c8

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:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:SUSP_EnableContent_String_Gen
Create hunting rule
Author:Florian Roth
Description:Detects suspicious string that asks to enable active content in Office Doc
Reference:Internal Research
Rule name:SUSP_Excel4Macro_AutoOpen
Create hunting rule
Author:John Lambert @JohnLaTwC
Description:Detects Excel4 macro use with auto open / close

File information

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

Malspam

Quakbot

zip 4a74b9c4093e4b7fd83851eff6b3a428609f5224ae9b0190962689fe81d6f2fb

Quakbot

Excel file xls 2879adfdc75edca43bc8f932be560b6ee1ad6c0925493c9916375a6960b778c8

(this sample)

Quakbot

Executable exe eb01e55059ade01c30a9dd0525199762434af8994da45c77ab052b9c99158f85

  
URLhaus
https://urlhaus.abuse.ch/url/668549/
  
Dropped by
MD5 fcdc09d4a97c608a25fa3809db1a45c0
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 4a74b9c4093e4b7fd83851eff6b3a428609f5224ae9b0190962689fe81d6f2fb
  
Dropping
SHA256 eb01e55059ade01c30a9dd0525199762434af8994da45c77ab052b9c99158f85
  
Dropping
MD5 a3192f9efd2898a6ae420755890a3ba3

Comments