MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ffc84f1b1316cbcf2e68048631900210632b86e14307c3835ad7a4286bf18d5. 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: 12


Intelligence 12 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ffc84f1b1316cbcf2e68048631900210632b86e14307c3835ad7a4286bf18d5
SHA3-384 hash: 61acd77dc24515f0b20e1a55516efac7c2892a10b252409fcbab20eeb6200b6b3416e1958c92d4c7d7bc9f8fee29585b
SHA1 hash: 2269a37e82a8fc09e68687eeb7214b7255726875
MD5 hash: 2baa57736614617e99b07fd3423fde0f
humanhash: green-may-mango-glucose
File name:PO#6018634905997.exe
Download: download sample
Signature XpertRAT
Create hunting rule
File size:770'048 bytes
First seen:2021-11-17 14:45:24 UTC
Last seen:2021-11-17 16:28:48 UTC
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:+KSLwq+DrB80INdP59rZZB4WOJa9cmVHn8MW+CD8rd57/Mi6JstD00:hShV0INdP/BeJa9pQU7/MAC0
Threatray 791 similar samples on MalwareBazaar
TLSH T139F4011133AC7F86E17A83F58962E0B143B63C695A31D19E5DC5A0EE2A70F015B94F3B
Reporter lowmal3
Tags:exe XpertRAT

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 :
2
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO#6018634905997.exe
Verdict:
Malicious activity
Analysis date:
2021-11-17 14:53:47 UTC
Tags:
trojan rat xpertrat stealer
Link:
https://app.any.run/tasks/85949f7a-7f11-4789-b58a-650ed9ddef59

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Artemis2BAA57736614.13481.68.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
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
Link:
https://www.filescan.io/uploads/619515ac43e8f62b66972e2e/reports/3f9af38d-4c31-4080-b713-3210f64e87dc/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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d58f9027-6601-4899-abe2-c7bdf061fc20
Result
Threat name:
XpertRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/891238
Signature
.NET source code contains potential unpacker
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
Initial sample is a PE file and has a suspicious name
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)
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)
Yara detected AntiVM3
Yara detected Generic Dropper
Yara detected XpertRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 523707 Sample: PO#6018634905997.exe Startdate: 17/11/2021 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Yara detected XpertRAT 2->47 49 7 other signatures 2->49 7 PO#6018634905997.exe 3 2->7         started        11 R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe 3 2->11         started        13 R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe 2 2->13         started        15 R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe 2 2->15         started        process3 file4 31 C:\Users\user\...\PO#6018634905997.exe.log, ASCII 7->31 dropped 51 Detected unpacking (creates a PE file in dynamic memory) 7->51 53 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->53 55 Injects a PE file into a foreign processes 7->55 17 PO#6018634905997.exe 1 1 7->17         started        57 Machine Learning detection for dropped file 11->57 20 R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe 1 11->20         started        22 R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe 1 13->22         started        24 R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe 1 15->24         started        signatures5 process6 signatures7 39 Changes security center settings (notifications, updates, antivirus, firewall) 17->39 41 Disables user account control notifications 17->41 26 iexplore.exe 3 8 17->26         started        process8 dnsIp9 37 accessgran.ydns.eu 45.144.225.147, 49766, 49767, 6706 DEDIPATH-LLCUS Netherlands 26->37 33 R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6.exe, PE32 26->33 dropped 35 C:\...\R0W4O1A8-P5N3-X331-D1M0-A2W4Q6D8C2R6, data 26->35 dropped 59 Creates an undocumented autostart registry key 26->59 61 Creates autostart registry keys with suspicious names 26->61 file10 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8ffc84f1b1316cbcf2e68048631900210632b86e14307c3835ad7a4286bf18d5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-17 14:46:06 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r76ij4nrgfwlz4xgqbegggiaeeddfodocqyhyobvvv5efbv7ddkq._file
Verdict:
malicious
Similar samples:
08927d7955b1be7fd05d81a73057242117540094dda7cca1c162f3aea18c2854
XpertRAT
59b88d9a9cc0b316b6cb94cae1e639933685da63bbbfe6c384acfbc11d430aae
XpertRAT
5c32fd3de4bce60a2529cebc5f47b8a1562ea9bd22549f829b22b0533b32f79b
XpertRAT
a36735377d731d16330587a190a99acbd5a1d9556e066d771268f8b4b6cd3821
XpertRAT
bc2a5e452669de43c4f4533c995b515bace2941ea5b45bb537085b204ee5d54b
XpertRAT
c830683f700f311fe3d533d849cf045b1cbed5ff76debaa6c3dd8f71c0daa535
XpertRAT
ddde7cd1d82b5dee479ac17413690cedd04ad04ee14ae271d590da80e5a2a8bd
XpertRAT
e4b8184869d65a34fb9e0fb43d8b6c252cb153f7139485e3fde6d02cd6898242
XpertRAT
f8e52fa75724eb08c0ec68db6799740ad36c7178b8f0dd7c8b0ee755ff60c653
XpertRAT
+ 781 additional samples on MalwareBazaar
Result
Malware family:
xpertrat
Create hunting rule
Score:
  10/10
Tags:
family:xpertrat collection evasion persistence rat trojan
Link:
https://tria.ge/reports/211117-r5amzahhhp/
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
Program crash
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
UAC bypass
Windows security bypass
XpertRAT
Unpacked files
SH256 hash:
044076940d833e9b61b6ca8016f6d9270a55946cdd7aae3efa4739cd571d5873
MD5 hash:
b41f25f009eacdec7e4b9893e1bedbab
SHA1 hash:
1f7d2139d208f8d851531ceb1267c484775c1dbd
Detections:
win_xpertrat_a0
Create hunting rule
win_xpertrat_auto
Create hunting rule
Link:
https://www.unpac.me/results/c42ddee7-5fa8-4547-9229-13cf33afb58f/
Parent samples :
8ffc84f1b1316cbcf2e68048631900210632b86e14307c3835ad7a4286bf18d5
6bf55bc421fadfd6e0ffc426390796b1a9dc4afd1e53ec9b36395951f0f539eb
c5add9cb099cfea7574003d74a2f4ef075362ed2c70ade79aad6af0286115cb4
21553a3434749569bbb6dbf77da2d47a16828a09fdbbb93108b9cf314fb42add
a399cf91b76479c1dd9381dfffb1521b69822894d8862ef00273878546b2a9d7
SH256 hash:
08a2d4adf27ab56781163c381036212c822365b67c58e3bfdc92ed57738e886b
MD5 hash:
db682419f4f190e84beaf42951dd74a1
SHA1 hash:
cdeaf7d8d1284d18f2c36c5d7d11a29dbd344870
Link:
https://www.unpac.me/results/c42ddee7-5fa8-4547-9229-13cf33afb58f/
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
Link:
https://www.unpac.me/results/c42ddee7-5fa8-4547-9229-13cf33afb58f/
SH256 hash:
cef54cfbf14b7c136304c17dd31d8bca4a68699597c4a5c91c2a86b7b6540349
MD5 hash:
5ae705ddfcb2731ca52f3dd6ea17cae8
SHA1 hash:
7678634fdd1cfbec432249f8f2670d484ecef659
Link:
https://www.unpac.me/results/c42ddee7-5fa8-4547-9229-13cf33afb58f/
SH256 hash:
49472c66646bba7c7dc14b1c4b004566269f9192c444c1ee12d48e934da0d93c
MD5 hash:
15d1b4b85ee92f7ead8136e078dcd5bc
SHA1 hash:
034c7e9d419e2fbdf8b4fcccfddb641e02b9948c
Link:
https://www.unpac.me/results/c42ddee7-5fa8-4547-9229-13cf33afb58f/
SH256 hash:
8ffc84f1b1316cbcf2e68048631900210632b86e14307c3835ad7a4286bf18d5
MD5 hash:
2baa57736614617e99b07fd3423fde0f
SHA1 hash:
2269a37e82a8fc09e68687eeb7214b7255726875
Link:
https://www.unpac.me/results/c42ddee7-5fa8-4547-9229-13cf33afb58f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8ffc84f1b131/report/overview.html
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/8ffc84f1b1316cbcf2e68048631900210632b86e14307c3835ad7a4286bf18d5

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:MALWARE_Win_XpertRAT
Create hunting rule
Author:ditekSHen
Description:XpertRAT payload
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
Rule name:win_xpertrat_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xpertrat.

File information

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

Malspam

XpertRAT

Executable exe 8ffc84f1b1316cbcf2e68048631900210632b86e14307c3835ad7a4286bf18d5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/206868/

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