MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 32635c5f985aa62687009145f91b4523b781bea2faa94f7864d2ff16ab0a14ef. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 32635c5f985aa62687009145f91b4523b781bea2faa94f7864d2ff16ab0a14ef
SHA3-384 hash: e08a340bd1e915b8722788031555797696a866c84c68cb3e4d61104f384770fe02b3f6767b1ba01632135b879ca4b2ba
SHA1 hash: a03a3e40fea2601e2b745b6d111d8b50384f1bd5
MD5 hash: 2fa857766a51190a35c523d1e668c419
humanhash: bacon-sweet-foxtrot-angel
File name:INVOICE#0909000.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:611'328 bytes
First seen:2021-08-24 05:47:48 UTC
Last seen:Never
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:pjxXyjFxBYSk/XE+DF7ruopsW+grfBecYSDE5JVKV6m9E1/E:pjlyZxBAXdZ75CgEcfDE5kKdE
TLSH T1D2D4CF4472B64F92EBBD8BF86A31201047F63A6B646EF74D4DC521DB15E2F004AA2F53
dhash icon 4f07090d0d014f8c (47 x SnakeKeylogger, 17 x Formbook, 13 x AgentTesla)
Reporter lowmal3
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE#0909000.exe
Verdict:
Malicious activity
Analysis date:
2021-08-24 05:50:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/960a6855-5f75-49ec-9d19-7f7cd54df42a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/181717/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a window
Creating a file in the %AppData% subdirectories
Setting a keyboard event handler
Launching a process
Reading critical registry keys
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Sending a UDP request
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e1463559-2f1e-4f8b-8e0b-f9f8060cba5e
Result
Threat name:
SpyEx StormKitty a310Logger
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/837968
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for dropped file
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected a310Logger
Yara detected SpyEx stealer
Yara detected StormKitty Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 470399 Sample: INVOICE#0909000.exe Startdate: 24/08/2021 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->55 57 7 other signatures 2->57 8 INVOICE#0909000.exe 3 2->8         started        process3 file4 35 C:\Users\user\...\INVOICE#0909000.exe.log, ASCII 8->35 dropped 69 Injects a PE file into a foreign processes 8->69 12 INVOICE#0909000.exe 1 3 8->12         started        15 INVOICE#0909000.exe 8->15         started        signatures5 process6 signatures7 77 Writes to foreign memory regions 12->77 79 Allocates memory in foreign processes 12->79 81 Installs a global keyboard hook 12->81 83 Injects a PE file into a foreign processes 12->83 17 InstallUtil.exe 15 7 12->17         started        21 InstallUtil.exe 6 12->21         started        24 InstallUtil.exe 6 12->24         started        process8 dnsIp9 37 icanhazip.com 104.18.6.156, 49702, 80 CLOUDFLARENETUS United States 17->37 39 api.mylnikov.org 104.21.9.139, 443, 49703, 49718 CLOUDFLARENETUS United States 17->39 41 102.16.14.0.in-addr.arpa 17->41 59 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 17->59 61 May check the online IP address of the machine 17->61 63 Tries to steal Instant Messenger accounts or passwords 17->63 26 MZ.exe 3 17->26         started        43 102.16.14.0.in-addr.arpa 21->43 33 C:\Users\user\AppData\Roaming\...\MZ.exe, PE32 21->33 dropped 65 Tries to steal Mail credentials (via file access) 21->65 67 Tries to harvest and steal browser information (history, passwords, etc) 21->67 29 MZ.exe 21->29         started        45 104.18.7.156, 49710, 49717, 80 CLOUDFLARENETUS United States 24->45 47 172.67.160.130, 443, 49711 CLOUDFLARENETUS United States 24->47 49 102.16.14.0.in-addr.arpa 24->49 31 MZ.exe 2 24->31         started        file10 signatures11 process12 signatures13 71 Antivirus detection for dropped file 26->71 73 Multi AV Scanner detection for dropped file 26->73 75 Machine Learning detection for dropped file 26->75
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/32635c5f985aa62687009145f91b4523b781bea2faa94f7864d2ff16ab0a14ef/
Threat name:
ByteCode-MSIL.Infostealer.Bulz
Create hunting rule
Status:
Malicious
First seen:
2021-08-24 03:09:57 UTC
AV detection:
8 of 46 (17.39%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gjrvyx4ylktcnbyasfc7sg2feo3ydpvc7kuu66de2l7rnkykctxq._file
Verdict:
malicious
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:a310logger family:stormkitty spyware stealer
Link:
https://tria.ge/reports/210824-hgav2mvqsa/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Looks up geolocation information via web service
Reads local data of messenger clients
Reads user/profile data of web browsers
Executes dropped EXE
A310logger Executable
A310logger
StormKitty
StormKitty Payload
Unpacked files
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/f1776215-549d-4c5a-962a-2f1bd2002d92/
SH256 hash:
b9dcf75696ba71f292246a31877cc8c833676c5c8c241e65c741711388d99bcb
MD5 hash:
07ddb19024ba308280048375e9be32ff
SHA1 hash:
e2714ca01a6e8e8713e9e2a175c0e3598ebb75df
Link:
https://www.unpac.me/results/f1776215-549d-4c5a-962a-2f1bd2002d92/
SH256 hash:
ee81c6ec3fc0b2247f043bd75cc1b0740c261d62bf904ca46daf9c5f04053164
MD5 hash:
c392b158243aaea167e3413cb175deef
SHA1 hash:
df63baba66627783dfcb2ba3b801cfb1753729a4
Link:
https://www.unpac.me/results/f1776215-549d-4c5a-962a-2f1bd2002d92/
SH256 hash:
5e1d6fc2d70c8892f32ae18b6adb879b569b59f97f8bc58c676dd41468993d0f
MD5 hash:
459748ac99153ec01dbcde691ad4ec8e
SHA1 hash:
d436fae7e3139f0dc4f0120c9e397d793f71db46
Link:
https://www.unpac.me/results/f1776215-549d-4c5a-962a-2f1bd2002d92/
SH256 hash:
32635c5f985aa62687009145f91b4523b781bea2faa94f7864d2ff16ab0a14ef
MD5 hash:
2fa857766a51190a35c523d1e668c419
SHA1 hash:
a03a3e40fea2601e2b745b6d111d8b50384f1bd5
Link:
https://www.unpac.me/results/f1776215-549d-4c5a-962a-2f1bd2002d92/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/32635c5f985aa62687009145f91b4523b781bea2faa94f7864d2ff16ab0a14ef

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:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_StormKitty
Create hunting rule
Author:ditekSHen
Description:Detects StormKitty infostealer
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

QuasarRAT

Executable exe 32635c5f985aa62687009145f91b4523b781bea2faa94f7864d2ff16ab0a14ef

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/181717/

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