MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6bf55bc421fadfd6e0ffc426390796b1a9dc4afd1e53ec9b36395951f0f539eb. 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: 10


Intelligence 10 IOCs 1 YARA 3 File information Comments

SHA256 hash: 6bf55bc421fadfd6e0ffc426390796b1a9dc4afd1e53ec9b36395951f0f539eb
SHA3-384 hash: cb7ba7eebe6b62ffe80cf2eeb6f0b82c29d8633957dd76565beec40e37ab1bdb26f64c6e1b90c933af6fa0122f6fae3e
SHA1 hash: f3b561862b76833f1f4d4fbc816634a4ef062fec
MD5 hash: 485c081a0d8a94c07aa77a78fd1199c7
humanhash: stairway-two-wisconsin-spaghetti
File name:PO#601863490599600.exe
Download: download sample
Signature XpertRAT
File size:613'376 bytes
First seen:2021-11-18 07:55:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:wdgm31gW7H2FH551orANwbCl5skF8099+WqH1wi:wdgm3KWi7HorAObC7skB99+Wy
TLSH T1FED4E0A03AB8C413E77045BAD9B0D3BE4A70B12D1DD6C6027CEE6ADF7A587647C58312
Reporter abuse_ch
Tags:exe XpertRAT


Avatar
abuse_ch
XpertRAT C2:
45.144.225.147:6706

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
45.144.225.147:6706 https://threatfox.abuse.ch/ioc/250322/

Intelligence


File Origin
# of uploads :
1
# of downloads :
153
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO#601863490599600.exe
Verdict:
Malicious activity
Analysis date:
2021-11-18 08:01:19 UTC
Tags:
trojan rat xpertrat stealer

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

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
MailPassView XpertRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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 UAC (registry)
Disables user account control notifications
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Dropper
Yara detected MailPassView
Yara detected WebBrowserPassView password recovery tool
Yara detected XpertRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 524226 Sample: PO#601863490599600.exe Startdate: 18/11/2021 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Yara detected MailPassView 2->62 64 8 other signatures 2->64 9 PO#601863490599600.exe 3 2->9         started        12 R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe 3 2->12         started        14 R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe 2 2->14         started        16 R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe 2 2->16         started        process3 signatures4 74 Detected unpacking (creates a PE file in dynamic memory) 9->74 76 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->76 78 Injects a PE file into a foreign processes 9->78 18 PO#601863490599600.exe 1 1 9->18         started        80 Multi AV Scanner detection for dropped file 12->80 21 R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe 1 12->21         started        23 R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe 14->23         started        25 R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe 16->25         started        process5 signatures6 66 Changes security center settings (notifications, updates, antivirus, firewall) 18->66 68 Disables user account control notifications 18->68 70 Writes to foreign memory regions 18->70 72 3 other signatures 18->72 27 iexplore.exe 3 8 18->27         started        process7 dnsIp8 56 accessgran.ydns.eu 45.144.225.147, 49743, 49744, 49745 DEDIPATH-LLCUS Netherlands 27->56 52 R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe, PE32 27->52 dropped 54 C:\...\R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6, data 27->54 dropped 82 Creates an undocumented autostart registry key 27->82 84 Creates autostart registry keys with suspicious names 27->84 32 iexplore.exe 27->32         started        34 iexplore.exe 27->34         started        36 iexplore.exe 27->36         started        38 7 other processes 27->38 file9 signatures10 process11 process12 40 WerFault.exe 32->40         started        42 WerFault.exe 32->42         started        44 WerFault.exe 34->44         started        46 WerFault.exe 36->46         started        48 WerFault.exe 38->48         started        50 WerFault.exe 38->50         started       
Threat name:
ByteCode-MSIL.Trojan.Llac
Status:
Malicious
First seen:
2021-11-18 07:56:06 UTC
AV detection:
7 of 44 (15.91%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
xpertrat
Score:
  10/10
Tags:
family:xpertrat collection evasion persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
Windows security modification
Adds policy Run key to start application
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
UAC bypass
Windows security bypass
XpertRAT
Unpacked files
SH256 hash:
9d60b7d42cc05242330ff86aeda24ab891f77f5126feff793aecc6ca3d74e6c2
MD5 hash:
9691c30ccfb073458b4a08ab71c6b1cc
SHA1 hash:
b8e029acd0e9f3e201753a49db4a9b15a87a05e4
SH256 hash:
c168e0526ce5a0734a844378c493d3588cf43c2b51f933db66fae1080ceab423
MD5 hash:
d3e94a30c43fe00290c4f4ee7564b713
SHA1 hash:
d922f00fc203592b15e03f6f0af54df6c72fa91d
SH256 hash:
cc5c5860e83b708cd158454165cbeb714767119946049de5aa7677685be75c14
MD5 hash:
83cbea4dec6e5b64a85ee9b6f9ff7598
SHA1 hash:
5c1d12b792c32ba73b7bf2634da5e4d9fbcd7d4e
SH256 hash:
6bf55bc421fadfd6e0ffc426390796b1a9dc4afd1e53ec9b36395951f0f539eb
MD5 hash:
485c081a0d8a94c07aa77a78fd1199c7
SHA1 hash:
f3b561862b76833f1f4d4fbc816634a4ef062fec
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments