MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ee1aeeacc6fd3c792af90f2bf0faba3eb71fc8aad0a9e9b1950f75561eed3eb. 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: 10


Intelligence 10 IOCs YARA 12 File information Comments

SHA256 hash: 3ee1aeeacc6fd3c792af90f2bf0faba3eb71fc8aad0a9e9b1950f75561eed3eb
SHA3-384 hash: 9af794726ad7b787eaa1853af981bb192cf1c6ebcf9798cbe6efdd3903258a96f0fa9e9af6bb7e95dcefd1d3dd0a5553
SHA1 hash: 61011797578d92f5d49ff19c1c07522328682296
MD5 hash: 9859c1275a09eff7ebbe703933695b0c
humanhash: connecticut-uniform-foxtrot-helium
File name:DHL_June 2021 at 1.M_9B7290_PDF.exe
Download: download sample
Signature QuasarRAT
File size:282'391 bytes
First seen:2021-06-02 18:35:34 UTC
Last seen:2021-06-02 19:42:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:VQqgIgqVWCUPoXptT7DpDkgD9HJHEM4m8vp:LgqQCmmptNDkgxJSmEp
Threatray 4'199 similar samples on MalwareBazaar
TLSH BA54026F62D5489AF46206F187B3E72CC37B8F42531C164F67753FA8263E9828523647
Reporter GovCERT_CH
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL_June 2021 at 1.M_9B7290_PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-06-02 18:49:15 UTC
Tags:
installer evasion stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Setting a keyboard event handler
Launching a process
Launching the default Windows debugger (dwwin.exe)
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.
Result
Threat name:
StormKitty
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses process hollowing technique
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 Generic Dropper
Yara detected StormKitty Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 428569 Sample: DHL_June 2021 at 1.M_9B7290... Startdate: 02/06/2021 Architecture: WINDOWS Score: 100 59 Malicious sample detected (through community Yara rule) 2->59 61 Detected unpacking (changes PE section rights) 2->61 63 Detected unpacking (overwrites its own PE header) 2->63 65 3 other signatures 2->65 8 DHL_June 2021 at 1.M_9B7290_PDF.exe 19 2->8         started        process3 file4 33 C:\Users\user\AppData\Local\...\System.dll, PE32 8->33 dropped 73 Maps a DLL or memory area into another process 8->73 12 DHL_June 2021 at 1.M_9B7290_PDF.exe 1 3 8->12         started        signatures5 process6 signatures7 75 Writes to foreign memory regions 12->75 77 Allocates memory in foreign processes 12->77 79 Sample uses process hollowing technique 12->79 81 2 other signatures 12->81 15 InstallUtil.exe 15 7 12->15         started        19 InstallUtil.exe 6 12->19         started        22 InstallUtil.exe 6 12->22         started        process8 dnsIp9 35 220.240.8.0.in-addr.arpa 15->35 37 api.mylnikov.org 104.21.9.139, 443, 49716, 49726 CLOUDFLARENETUS United States 15->37 39 icanhazip.com 172.67.9.138, 49715, 49725, 80 CLOUDFLARENETUS United States 15->39 49 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 15->49 51 May check the online IP address of the machine 15->51 53 Tries to steal Instant Messenger accounts or passwords 15->53 24 MZ.exe 3 15->24         started        41 icanhazip.com 19->41 43 220.240.8.0.in-addr.arpa 19->43 45 104.22.18.188, 49735, 80 CLOUDFLARENETUS United States 19->45 31 C:\Users\user\AppData\Roaming\...\MZ.exe, PE32 19->31 dropped 55 Tries to steal Mail credentials (via file access) 19->55 57 Tries to harvest and steal browser information (history, passwords, etc) 19->57 27 MZ.exe 19->27         started        47 220.240.8.0.in-addr.arpa 22->47 29 MZ.exe 2 22->29         started        file10 signatures11 process12 signatures13 67 Antivirus detection for dropped file 24->67 69 Multi AV Scanner detection for dropped file 24->69 71 Machine Learning detection for dropped file 24->71
Threat name:
Win32.Packed.Generic
Status:
Suspicious
First seen:
2021-06-02 18:36:10 UTC
AV detection:
12 of 29 (41.38%)
Threat level:
  1/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:stormkitty spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Looks up geolocation information via web service
Loads dropped DLL
Reads local data of messenger clients
Reads user/profile data of web browsers
Executes dropped EXE
StormKitty
StormKitty Payload
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
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_StormKitty
Author:ditekSHen
Description:Detects StormKitty infostealer
Rule name:pe_imphash
Rule name:Quasar_RAT_1
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
Author:James_inthe_box
Description:IP and port combo
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Stealer_word_in_memory
Author:James_inthe_box
Description:The actual word stealer in memory

File information


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

Malspam

QuasarRAT

Executable exe 3ee1aeeacc6fd3c792af90f2bf0faba3eb71fc8aad0a9e9b1950f75561eed3eb

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments