MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15b8325df5457903aa6a8f86ddd64b7ea2fca232231e2e63044a1a0f9cc3f73b. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 15b8325df5457903aa6a8f86ddd64b7ea2fca232231e2e63044a1a0f9cc3f73b
SHA3-384 hash: 7c84d9cf2259276573afcb620dc1043def43047f472b935c2cc9cd14e4bd01125f82d2bf37f38718965a8874f3cd8234
SHA1 hash: 995027f1597164742533cc899095ebaa8b8b407d
MD5 hash: dd1c8fbeb5ccb5431ce8c6111a3dac1a
humanhash: arizona-winter-sad-six
File name:SecuriteInfo.com.W32.AIDetectNet.01.14971.5156
Download: download sample
Signature XpertRAT
Create hunting rule
File size:529'408 bytes
First seen:2022-07-06 16:47:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Y2tzL9/Q6UZojzriXgVVfSucOv6hqmRllc245t5ibkeGSOi/bvAtE:buA4wauH+RlP4rEbkpG
TLSH T11DB4236567CC17A8ECD69A356823C68802A96D0BFC54F76C4BC87DBB0DB32C0658D07E
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon e09a676060678ee0 (14 x AsyncRAT, 5 x ValleyRAT, 4 x Formbook)
Reporter SecuriteInfoCom
Tags:exe XpertRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Snake
Create hunting rule
Link:
https://www.capesandbox.com/analysis/285226/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.14971.5156.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62c5bcc8c1b6cfcaa5ebcbaa/reports/4b6c1222-c06e-405d-be3c-45c31778f4d7/overview
Result
Verdict:
UNKNOWN
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:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/59741bce-e90d-472c-93df-d272f639b104
Result
Threat name:
Snake Keylogger, XpertRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1025785
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Creates multiple autostart registry keys
Disables user account control notifications
Encrypted powershell cmdline option found
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 submitted file
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Generic Dropper
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected XpertRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 658283 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 06/07/2022 Architecture: WINDOWS Score: 100 73 toomuchego.ydns.eu 2->73 87 Snort IDS alert for network traffic 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 Antivirus / Scanner detection for submitted sample 2->91 93 14 other signatures 2->93 9 SecuriteInfo.com.W32.AIDetectNet.01.14971.exe 1 7 2->9         started        13 Dbxpk.exe 4 2->13         started        15 Dbxpk.exe 3 2->15         started        17 3 other processes 2->17 signatures3 process4 file5 65 C:\Users\user\AppData\Roaming\...\Dbxpk.exe, PE32 9->65 dropped 67 C:\Users\user\...\Dbxpk.exe:Zone.Identifier, ASCII 9->67 dropped 69 SecuriteInfo.com.W...et.01.14971.exe.log, ASCII 9->69 dropped 109 Encrypted powershell cmdline option found 9->109 111 Creates multiple autostart registry keys 9->111 113 Writes to foreign memory regions 9->113 19 InstallUtil.exe 3 9->19         started        22 powershell.exe 15 9->22         started        115 Antivirus detection for dropped file 13->115 117 Machine Learning detection for dropped file 13->117 119 Allocates memory in foreign processes 13->119 24 InstallUtil.exe 13->24         started        26 powershell.exe 13->26         started        28 InstallUtil.exe 13->28         started        121 Injects a PE file into a foreign processes 15->121 30 InstallUtil.exe 15->30         started        32 powershell.exe 15->32         started        34 InstallUtil.exe 15->34         started        signatures6 process7 file8 61 C:\Users\user\AppData\Local\Temp\SERVER.EXE, PE32 19->61 dropped 63 C:\Users\user\AppData\Local\TempGGM.EXE, PE32 19->63 dropped 36 SERVER.EXE 19->36         started        39 EGGM.EXE 19->39         started        42 conhost.exe 22->42         started        44 EGGM.EXE 24->44         started        46 SERVER.EXE 24->46         started        48 conhost.exe 26->48         started        50 EGGM.EXE 30->50         started        52 SERVER.EXE 30->52         started        54 conhost.exe 32->54         started        process9 dnsIp10 95 Antivirus detection for dropped file 36->95 97 Changes security center settings (notifications, updates, antivirus, firewall) 36->97 99 Machine Learning detection for dropped file 36->99 107 2 other signatures 36->107 56 iexplore.exe 36->56         started        75 checkip.dyndns.com 193.122.6.168, 49771, 49782, 80 ORACLE-BMC-31898US United States 39->75 77 checkip.dyndns.org 39->77 101 Tries to steal Mail credentials (via file / registry access) 39->101 79 checkip.dyndns.org 44->79 81 158.101.44.242, 49785, 80 ORACLE-BMC-31898US United States 50->81 83 checkip.dyndns.org 50->83 103 Tries to harvest and steal ftp login credentials 50->103 105 Tries to harvest and steal browser information (history, passwords, etc) 50->105 signatures11 process12 dnsIp13 85 toomuchego.ydns.eu 37.0.8.125, 2442 WKD-ASIE Netherlands 56->85 71 Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4.exe, PE32 56->71 dropped 123 Creates an undocumented autostart registry key 56->123 125 Creates autostart registry keys with suspicious names 56->125 127 Creates multiple autostart registry keys 56->127 file14 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/15b8325df5457903aa6a8f86ddd64b7ea2fca232231e2e63044a1a0f9cc3f73b/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-07-06 13:09:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cw4dexpviv4qhktkr6dn3vslp2rpzirsempc4yyejina7hgd645q._file
Verdict:
malicious
Result
Malware family:
xpertrat
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger family:xpertrat collection evasion keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220706-va45wafabr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks whether UAC is enabled
Looks up external IP address via web service
Program crash
Checks computer location settings
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Adds policy Run key to start application
Executes dropped EXE
Snake Keylogger
Snake Keylogger Payload
UAC bypass
Windows security bypass
XpertRAT
Unpacked files
SH256 hash:
15b8325df5457903aa6a8f86ddd64b7ea2fca232231e2e63044a1a0f9cc3f73b
MD5 hash:
dd1c8fbeb5ccb5431ce8c6111a3dac1a
SHA1 hash:
995027f1597164742533cc899095ebaa8b8b407d
Link:
https://www.unpac.me/results/3ec1217c-0122-41ca-8f89-c6030d45e764/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/15b8325df545/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/15b8325df5457903aa6a8f86ddd64b7ea2fca232231e2e63044a1a0f9cc3f73b

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/285226/

Comments