MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8cacda848bd2a780b1a081222e0eb609794e309b13327fb5fc59231022aba81. 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: 9


Intelligence 9 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d8cacda848bd2a780b1a081222e0eb609794e309b13327fb5fc59231022aba81
SHA3-384 hash: 940dc31e01ef7ee09a4850974a2b53556c538bd224026a2120683345336d77cc7fc61523d12c2dcaf9b35c3689b3661d
SHA1 hash: 4ad41818d79f462094473a56345263e9328a2a78
MD5 hash: 62627fbce3cc130f0a173ed3bb29a9b8
humanhash: spaghetti-fanta-quiet-colorado
File name:ORDER #2001228A.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:2'714'624 bytes
First seen:2020-12-28 10:37:44 UTC
Last seen:2020-12-28 12:37:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:rjKF94lMi7XG3KRprgbC04f4gHZRqaxzl94VrkCUhV0qZAW3/re+EcaQLcaoaWue:r
Threatray 154 similar samples on MalwareBazaar
TLSH 1DC52D02498168CBD7B2D4B0A38EC2D6B38795CCE7EA6FD4AE50E21532CC467EB75D41
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
Malspam distributing QuasarRAT:

HELO: 66-165-231-114.static.hvvc.us
Sending IP: 66.165.231.114
From: Usman Sajib <info@alnajeh.ae>
Reply-To: info@alnajeh.ae
Subject: PO #2001228A
Attachment: ORDER 2001228A.img (contains "ORDER #2001228A.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ORDER #2001228A.exe
Verdict:
Malicious activity
Analysis date:
2020-12-28 10:40:39 UTC
Tags:
evasion trojan rat quasar
Link:
https://app.any.run/tasks/ae9fb1b1-7072-495a-bac5-2e4093b57e24

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.vz.13004.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Sending a UDP request
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Creating a window
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/570673
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
Connects to many ports of the same IP (likely port scanning)
Contains functionality to disable the Task Manager (.Net Source)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Deletes shadow drive data (may be related to ransomware)
Drops PE files to the startup folder
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM_3
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 334394 Sample: ORDER #2001228A.exe Startdate: 28/12/2020 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Yara detected AntiVM_3 2->52 54 Yara detected Quasar RAT 2->54 56 12 other signatures 2->56 6 ORDER #2001228A.exe 3 5 2->6         started        10 ORDER #2001228A.exe 2->10         started        12 ORDER #2001228A.exe 2->12         started        14 3 other processes 2->14 process3 file4 36 C:\Users\user\AppData\...\ORDER #2001228A.exe, PE32 6->36 dropped 38 C:\...\ORDER #2001228A.exe:Zone.Identifier, ASCII 6->38 dropped 40 C:\Users\user\...\ORDER #2001228A.exe.log, ASCII 6->40 dropped 58 Creates an undocumented autostart registry key 6->58 60 Injects a PE file into a foreign processes 6->60 16 ORDER #2001228A.exe 15 4 6->16         started        62 Creates autostart registry keys with suspicious names 10->62 64 Creates multiple autostart registry keys 10->64 34 2 other processes 10->34 20 ORDER #2001228A.exe 12->20         started        22 ORDER #2001228A.exe 12->22         started        24 ORDER #2001228A.exe 12->24         started        26 ORDER #2001228A.exe 14->26         started        28 ORDER #2001228A.exe 14->28         started        30 ORDER #2001228A.exe 14->30         started        32 audiodg.exe 14->32         started        signatures5 process6 dnsIp7 42 ip-api.com 208.95.112.1, 49728, 80 TUT-ASUS United States 16->42 44 chongmei33.publicvm.com 37.120.208.36, 49729, 64105 M247GB Romania 16->44 46 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->46 48 Installs a global keyboard hook 16->48 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d8cacda848bd2a780b1a081222e0eb609794e309b13327fb5fc59231022aba81/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2020-12-28 10:38:10 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3dfm3kcixuvhqcy2bajcfyhlmclzjyyjwezsp627ywjdcarkxkaq._file
Verdict:
malicious
Similar samples:
04a908a9e407549cb834e945f0afb49da90f7581bda7e2d2cd3871a55997d53b
QuasarRAT
1a3bf054f01ab4ec1c068ee4bbb5961a3109e61a12374c26501ce7a772279463
QuasarRAT
33eff9415626bfe8ec4229ef6a6b248e0e6b7b1115c84a78724dd9b58336bb28
QuasarRAT
3c7744b3236b34b32adf0b3a3d5b7874533878c34d200d2c07fe0e0e37cb16f6
QuasarRAT
3e5bbf9fcae918011ec4eee75ac6402fddf20d09fef95b362d0e226d56b80f1d
QuasarRAT
57372f78f979ab331a3ce1ebd9154c6eb4674db4de60c5c6b521934d7b9463ac
QuasarRAT
69bc65bef9fd7833c261434e1feb538861fc3359b66bde16a8cc0e8375a7b92c
QuasarRAT
7d6e222b4b23f7d10f667027b0de0c51ea5262a415880c90fe60a3596a27a40d
QuasarRAT
a4fcf02ada330a1e50982618833ae730d5238adbf9407e303cc6c05fa8270ba5
QuasarRAT
a7e7de656010612d8f5741491c7f5e4480d8face10c5f1c445fdfda6d70b4908
QuasarRAT
+ 144 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/201228-3myez63c8j/
Behaviour
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
Drops startup file
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
f9b66ad10916f3bdd31809aeedc073bd2eb8059d39397b07874ce9416ec9e158
MD5 hash:
e1fea9199f1ac07cd4349c765d1bf9aa
SHA1 hash:
0f100e018f5ab9a73b8ef278535aacd28620239a
Link:
https://www.unpac.me/results/797b290d-fdf8-4e06-bb8f-a65460a9d99c/
SH256 hash:
adf5eae8c4b308668e5338368965b68fe9a23a18d55c5b6fdf427004e72c1a30
MD5 hash:
c3bbc76d2070ac451a689a7a5e73c830
SHA1 hash:
2fce0a24a675301370f60f740acc9028d46ca97a
Detections:
win_blackshades_w0
Create hunting rule
Link:
https://www.unpac.me/results/797b290d-fdf8-4e06-bb8f-a65460a9d99c/
SH256 hash:
d8cacda848bd2a780b1a081222e0eb609794e309b13327fb5fc59231022aba81
MD5 hash:
62627fbce3cc130f0a173ed3bb29a9b8
SHA1 hash:
4ad41818d79f462094473a56345263e9328a2a78
Link:
https://www.unpac.me/results/797b290d-fdf8-4e06-bb8f-a65460a9d99c/
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/d8cacda848bd2a780b1a081222e0eb609794e309b13327fb5fc59231022aba81

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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:CN_disclosed_20180208_KeyLogger_1
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MALWARE_Win_QuasarRAT
Create hunting rule
Author:ditekshen
Description:QuasarRAT payload
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MSILStealer
Create hunting rule
Author:https://github.com/hwvs
Description:Detects strings from C#/VB Stealers and QuasarRat
Reference:https://github.com/quasar/QuasarRAT
Rule name:Quasar
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:Quasar_RAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Vermin_Keylogger_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/
Rule name:win_blackshades_w0
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Rule name:xRAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W

File information

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

Malspam

QuasarRAT

img da2e287952b46f88ea37c2031af91cb35c6ade7908f7c8adf48a42119dcc488a

QuasarRAT

Executable exe d8cacda848bd2a780b1a081222e0eb609794e309b13327fb5fc59231022aba81

(this sample)

  
Dropped by
MD5 493c8cf215c8350d42651142f174f6bc
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 da2e287952b46f88ea37c2031af91cb35c6ade7908f7c8adf48a42119dcc488a

Comments