MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc2a5e452669de43c4f4533c995b515bace2941ea5b45bb537085b204ee5d54b. 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


XpertRAT


Vendor detections: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc2a5e452669de43c4f4533c995b515bace2941ea5b45bb537085b204ee5d54b
SHA3-384 hash: 18a1998181bd47ba2f8688a5e7c3bf1d19a8af1c0ab9226e3cb73a7257e81622b00ba26e2226945742e1eec43ed1dd1c
SHA1 hash: 7e6e1ccf693bb62f2a36119996583228a9e5c665
MD5 hash: 49af0abba03a7d559171f378728e9bc7
humanhash: hotel-nebraska-eight-kilo
File name:49af0abba03a7d559171f378728e9bc7.exe
Download: download sample
Signature XpertRAT
Create hunting rule
File size:33'792 bytes
First seen:2021-09-22 06:23:26 UTC
Last seen:2021-09-22 07:14:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:mpQEJ1SD81FF+rO5+UZjOHbE2qJnPCvCz4bbrZTLA+RofUFKDQckRKDVbJapdKDz:ySgF+rO5BYbEjxP0GOFRfM90PGz
TLSH T124E23A2A3394E598E4D84A728DD7E9A00AF0BD27A442F76B33C43B1D6F33B86D545385
File icon (PE):PE icon
dhash icon 696a6ee2b2b2c2cc (18 x RedLineStealer, 17 x LummaStealer, 16 x CoinMiner)
Reporter abuse_ch
Tags:exe XpertRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
49af0abba03a7d559171f378728e9bc7.exe
Verdict:
Malicious activity
Analysis date:
2021-09-22 06:25:12 UTC
Tags:
trojan rat xpertrat stealer
Link:
https://app.any.run/tasks/c012f2f7-d849-4052-b320-49b315551bad

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/190074/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.37620263.29009.14723.UNOFFICIAL
Create hunting rule

Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1624d23b-e6a8-4644-be65-00545c1d0b96
Result
Threat name:
XpertRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/855372
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Detected unpacking (creates a PE file in dynamic memory)
Disables user account control notifications
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Generic Dropper
Yara detected XpertRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 487803 Sample: hSvI1u0wq2.exe Startdate: 22/09/2021 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 7 other signatures 2->55 8 hSvI1u0wq2.exe 15 6 2->8         started        process3 dnsIp4 45 store2.gofile.io 31.14.69.10, 443, 49824 LINKER-ASFR Virgin Islands (BRITISH) 8->45 47 192.168.2.1 unknown unknown 8->47 37 C:\Users\user\AppData\...\hSvI1u0wq2.exe, PE32 8->37 dropped 39 C:\Users\...\hSvI1u0wq2.exe:Zone.Identifier, ASCII 8->39 dropped 41 C:\Users\user\AppData\...\hSvI1u0wq2.exe.log, ASCII 8->41 dropped 63 Writes to foreign memory regions 8->63 65 Allocates memory in foreign processes 8->65 67 Injects a PE file into a foreign processes 8->67 13 hSvI1u0wq2.exe 1 1 8->13         started        16 powershell.exe 17 8->16         started        18 powershell.exe 17 8->18         started        file5 signatures6 process7 signatures8 69 Multi AV Scanner detection for dropped file 13->69 71 Detected unpacking (creates a PE file in dynamic memory) 13->71 73 Changes security center settings (notifications, updates, antivirus, firewall) 13->73 75 2 other signatures 13->75 20 iexplore.exe 3 8 13->20         started        25 conhost.exe 16->25         started        27 conhost.exe 18->27         started        process9 dnsIp10 43 kapasky-antivirus.firewall-gateway.net 146.59.132.186, 4000, 49825, 49826 OVHFR Norway 20->43 35 L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe, PE32 20->35 dropped 57 Creates an undocumented autostart registry key 20->57 59 Creates autostart registry keys with suspicious names 20->59 61 Writes to foreign memory regions 20->61 29 iexplore.exe 1 20->29         started        31 notepad.exe 20->31         started        33 iexplore.exe 20->33         started        file11 signatures12 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc2a5e452669de43c4f4533c995b515bace2941ea5b45bb537085b204ee5d54b/
Threat name:
Win32.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2021-09-21 23:58:21 UTC
AV detection:
13 of 45 (28.89%)
Threat level:
  3/5
Verdict:
malicious
Result
Malware family:
xpertrat
Create hunting rule
Score:
  10/10
Tags:
family:xpertrat botnet:test evasion persistence rat trojan upx
Link:
https://tria.ge/reports/210922-g53nmsedfl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Deletes itself
Windows security modification
Adds policy Run key to start application
UPX packed file
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
UAC bypass
Windows security bypass
XpertRAT
XpertRAT Core Payload
Malware Config
C2 Extraction:
kapasky-antivirus.firewall-gateway.net:4000
Unpacked files
SH256 hash:
bc2a5e452669de43c4f4533c995b515bace2941ea5b45bb537085b204ee5d54b
MD5 hash:
49af0abba03a7d559171f378728e9bc7
SHA1 hash:
7e6e1ccf693bb62f2a36119996583228a9e5c665
Link:
https://www.unpac.me/results/678448d9-d082-4baa-93f1-08ef45da422c/
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/bc2a5e452669de43c4f4533c995b515bace2941ea5b45bb537085b204ee5d54b

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_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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
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.

Web download

XpertRAT

Executable exe bc2a5e452669de43c4f4533c995b515bace2941ea5b45bb537085b204ee5d54b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1635439/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1635950/
Cape
Cape
https://www.capesandbox.com/analysis/190074/

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