MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4b8184869d65a34fb9e0fb43d8b6c252cb153f7139485e3fde6d02cd6898242. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e4b8184869d65a34fb9e0fb43d8b6c252cb153f7139485e3fde6d02cd6898242
SHA3-384 hash: e735f274f19a9a19be1fa14c104dab5f9728d9ca263c3ce56990340a6a6e536cc43e9b73cfb98e5c3eb472cc81ac24de
SHA1 hash: 9b69fcd3856d302da2506e84f220b26dd926e061
MD5 hash: 452ea764a4f629c9c4d6880aa215928a
humanhash: texas-carolina-table-leopard
File name:452ea764a4f629c9c4d6880aa215928a.exe
Download: download sample
Signature XpertRAT
Create hunting rule
File size:443'904 bytes
First seen:2021-09-29 07:08:05 UTC
Last seen:2021-09-30 12:15:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:/pz3X0sr9b0i55JKbDNSSkauKkEMfhhYYNZuCCCyBFu:/RSnuKkEMfnN8CC3
Threatray 5'012 similar samples on MalwareBazaar
TLSH T12D94D13752C2BD97CBF60838E57519804C9A5AB3439082D4BAC9DB9E509B710EFF89F4
File icon (PE):PE icon
dhash icon 9ee5656565a5a585 (14 x NanoCore, 11 x XpertRAT, 5 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe XpertRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
452ea764a4f629c9c4d6880aa215928a.exe
Verdict:
Malicious activity
Analysis date:
2021-09-29 07:17:54 UTC
Tags:
trojan rat xpertrat stealer
Link:
https://app.any.run/tasks/e9e7f415-85c2-4e14-92eb-8f348e6af14d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XpertRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/192853/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.19834.16974.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cc9fc571-53bd-4be8-a18c-2395306c589f
Result
Threat name:
XpertRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/860604
Signature
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
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
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: 493039 Sample: QbK1YralrE.exe Startdate: 29/09/2021 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 4 other signatures 2->58 8 QbK1YralrE.exe 4 2->8         started        12 L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe 1 2->12         started        14 L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe 1 2->14         started        16 L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe 1 2->16         started        process3 file4 42 C:\Users\user\AppData\...\QbK1YralrE.exe, PE32 8->42 dropped 44 C:\Users\...\QbK1YralrE.exe:Zone.Identifier, ASCII 8->44 dropped 46 C:\Users\user\AppData\...\QbK1YralrE.exe.log, ASCII 8->46 dropped 68 Writes to foreign memory regions 8->68 70 Allocates memory in foreign processes 8->70 72 Injects a PE file into a foreign processes 8->72 18 QbK1YralrE.exe 1 1 8->18         started        21 conhost.exe 8->21         started        74 Antivirus detection for dropped file 12->74 76 Multi AV Scanner detection for dropped file 12->76 23 conhost.exe 12->23         started        25 conhost.exe 14->25         started        27 conhost.exe 16->27         started        signatures5 process6 signatures7 60 Antivirus detection for dropped file 18->60 62 Multi AV Scanner detection for dropped file 18->62 64 Detected unpacking (creates a PE file in dynamic memory) 18->64 66 2 other signatures 18->66 29 iexplore.exe 3 8 18->29         started        process8 dnsIp9 50 kapasky-antivirus.firewall-gateway.net 91.121.250.249, 4000, 49773, 49774 OVHFR France 29->50 48 L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe, PE32 29->48 dropped 78 Creates an undocumented autostart registry key 29->78 80 Creates autostart registry keys with suspicious names 29->80 82 Writes to foreign memory regions 29->82 34 iexplore.exe 1 29->34         started        36 iexplore.exe 2 29->36         started        38 iexplore.exe 1 29->38         started        40 3 other processes 29->40 file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e4b8184869d65a34fb9e0fb43d8b6c252cb153f7139485e3fde6d02cd6898242/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-09-29 07:08:19 UTC
AV detection:
15 of 45 (33.33%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
06febadb1cc71ef3987c339b7c862ea4cd32656c372c4f266cd1af68c355a0c0
XpertRAT
276963ec4efb403c18a96f94786c7b9f775a1bb22169636d8f594241288df9d3
XpertRAT
51297f05449c2fe207a4635e0d1123c137bfdfd97157e09b00af119733952197
XpertRAT
5c32fd3de4bce60a2529cebc5f47b8a1562ea9bd22549f829b22b0533b32f79b
XpertRAT
8963180e8b2e7e51c5abd716e7a562ad010f663c41a38015ad2566231a7da9af
XpertRAT
b6b8326fd527390a435242178b6a45a973c4516d831669ce7527c5d97e90ab10
XpertRAT
bc2a5e452669de43c4f4533c995b515bace2941ea5b45bb537085b204ee5d54b
XpertRAT
ddde7cd1d82b5dee479ac17413690cedd04ad04ee14ae271d590da80e5a2a8bd
XpertRAT
f8e52fa75724eb08c0ec68db6799740ad36c7178b8f0dd7c8b0ee755ff60c653
XpertRAT
+ 5'002 additional samples on MalwareBazaar
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/210929-hx9mnaeagp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Program crash
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:
4dad2df926ed4fe925713eb9b8fdfdade5bd93a587e9fb4e457df784099d510a
MD5 hash:
8bce22a2be10d7426acd3ee15eb8b95e
SHA1 hash:
07da2335f664e16b4c2b66ec3f143f1a278ce074
Detections:
win_xpertrat_a0
Create hunting rule
win_xpertrat_auto
Create hunting rule
Link:
https://www.unpac.me/results/33f2a661-b0f5-4169-9d3f-ae7d08a3d8d4/
Parent samples :
85f0af15d708b6a2ea67a30f2a858efc9f32af678a5633289c297f588443cd7a
e4b8184869d65a34fb9e0fb43d8b6c252cb153f7139485e3fde6d02cd6898242
c830683f700f311fe3d533d849cf045b1cbed5ff76debaa6c3dd8f71c0daa535
3e77ec2e0bbc394a1841bfb8f9b004f93fcbc35b401580abd01c92c41b6635aa
f2926aaea4603961e15c9ac92eb599ddd51bd6e19bd7fded285a1db16753db87
18bea0cb94e7c9213588f2e8b500d66f4716c0e6ae1b68ec62ba28c64c627ca5
c5a9b54887316170a328f0c1c1adab1db83debfe3b9f922c752c6f090c9abe9b
SH256 hash:
47ae86d7eee8091b0340a34500ce8ca57b23b5a60f5312be1e01b3d0a2b6f605
MD5 hash:
5523e00ac5b7b98318ba4a96a147f53c
SHA1 hash:
6a1197eda07cabf9c1639ab970afce075babd511
Link:
https://www.unpac.me/results/33f2a661-b0f5-4169-9d3f-ae7d08a3d8d4/
SH256 hash:
3a85e462eb59ec9c601081dd0d0eaef004a259debe4a197df59871190d9a7ef3
MD5 hash:
c977e787e77aff5418191b1a89872cac
SHA1 hash:
6210ed70514b640402cee0f7b556da9a00afde88
Link:
https://www.unpac.me/results/33f2a661-b0f5-4169-9d3f-ae7d08a3d8d4/
SH256 hash:
e4b8184869d65a34fb9e0fb43d8b6c252cb153f7139485e3fde6d02cd6898242
MD5 hash:
452ea764a4f629c9c4d6880aa215928a
SHA1 hash:
9b69fcd3856d302da2506e84f220b26dd926e061
Link:
https://www.unpac.me/results/33f2a661-b0f5-4169-9d3f-ae7d08a3d8d4/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/e4b8184869d6/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/e4b8184869d65a34fb9e0fb43d8b6c252cb153f7139485e3fde6d02cd6898242

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: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 e4b8184869d65a34fb9e0fb43d8b6c252cb153f7139485e3fde6d02cd6898242

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1635950/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/192853/

Comments