MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 144c0fcf6f803810d13f85bb4541c9916eb80e0d0d59bd24e03b5dd9159710df. 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



ArkeiStealer


Vendor detections: 11


Intelligence 11 IOCs 1 YARA 3 File information Comments

SHA256 hash: 144c0fcf6f803810d13f85bb4541c9916eb80e0d0d59bd24e03b5dd9159710df
SHA3-384 hash: cf5c13e91aa532f1ed9e094253983491eb2b9801c200d424bd68a4b7c4010ccb4b6c9a51bdc8afe43a29669a83d0d68a
SHA1 hash: 3fa46371470b2c92898e85e9b34f2462360f79be
MD5 hash: bd2b464bbcc0e12f585c3d300d4b7fc5
humanhash: hotel-mirror-blue-batman
File name:file
Download: download sample
Signature ArkeiStealer
File size:900'096 bytes
First seen:2022-09-19 07:05:59 UTC
Last seen:2022-09-19 08:45:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 52a55fb51c40f0fd1f56d98fc22d67be (2 x ArkeiStealer)
ssdeep 24576:IKJ47SlzspERub0FCJVlvh7Ng6sCpgGMouSzNKkC1lMIftWkHvWA7:T45IftWkHvW
TLSH T1401559BC9D414C5E8083422F05DDC074E5B1CD79AB96FB671A74E1BF2A9242FBF01A89
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter andretavare5
Tags:ArkeiStealer exe


Avatar
andretavare5
Sample downloaded from https://www.paktravelandtours.com/12/TrdngAnr6339.exe

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://gg.gemkan.online/gate.php https://threatfox.abuse.ch/ioc/850464/

Intelligence


File Origin
# of uploads :
2
# of downloads :
289
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Suspicious activity
Analysis date:
2022-09-19 07:08:51 UTC
Tags:
n/a

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

Behaviour
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
Creating a file in the system32 subdirectories
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process from a recently created file
DNS request
Moving a file to the %AppData% subdirectory
Creating a file in the %temp% directory
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Sending an HTTP GET request
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
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:
CryptOne, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for dropped file
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Creates HTML files with .exe extension (expired dropper behavior)
Creates multiple autostart registry keys
Detected unpacking (creates a PE file in dynamic memory)
Detected VMProtect packer
Drops PE files with benign system names
Found C&C like URL pattern
Found evasive API chain (may stop execution after checking computer name)
Found evasive API chain (may stop execution after checking locale)
Found evasive API chain (may stop execution after checking mutex)
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)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
PE file has nameless sections
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected CryptOne packer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 705287 Sample: file.exe Startdate: 19/09/2022 Architecture: WINDOWS Score: 100 116 Malicious sample detected (through community Yara rule) 2->116 118 Antivirus detection for dropped file 2->118 120 Multi AV Scanner detection for submitted file 2->120 122 9 other signatures 2->122 11 file.exe 2 2->11         started        15 explorer.exe 2->15         started        17 explorer.exe 2->17         started        19 Clipper.exe 2->19         started        process3 file4 98 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 11->98 dropped 146 Creates HTML files with .exe extension (expired dropper behavior) 11->146 148 Contains functionality to inject code into remote processes 11->148 150 Drops PE files with benign system names 11->150 152 Injects a PE file into a foreign processes 11->152 21 file.exe 2 11 11->21         started        26 conhost.exe 11->26         started        28 WerFault.exe 10 15->28         started        30 WerFault.exe 17->30         started        32 conhost.exe 19->32         started        signatures5 process6 dnsIp7 108 94.26.226.51, 49709, 80 PTC-YEMENNETYE Russian Federation 21->108 110 blackhk1.beget.tech 5.101.153.227, 49710, 49711, 49716 BEGET-ASRU Russian Federation 21->110 112 thedoctorsgym.net 68.66.226.93, 49719, 49720, 49721 A2HOSTINGUS United States 21->112 88 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32+ 21->88 dropped 90 C:\Users\user\AppData\...\explorer.exe, PE32+ 21->90 dropped 92 C:\Users\user\AppData\...behaviorgraphB286F7AGC56156.exe, PE32 21->92 dropped 94 4 other malicious files 21->94 dropped 142 Creates multiple autostart registry keys 21->142 34 8BLED2GGAJ0IMCB.exe 75 21->34         started        38 CIGF3L2K1II134G.exe 75 21->38         started        40 GB286F7AGC56156.exe 21->40         started        44 3 other processes 21->44 42 conhost.exe 28->42         started        file8 signatures9 process10 dnsIp11 102 gg.gemkan.online 203.175.9.27, 49723, 49727, 80 FCCDCI-NET-PH4FPodiumRCBCPlazaTowerIPH Indonesia 34->102 124 Antivirus detection for dropped file 34->124 126 Multi AV Scanner detection for dropped file 34->126 128 Detected unpacking (creates a PE file in dynamic memory) 34->128 140 4 other signatures 34->140 47 cmd.exe 34->47         started        130 Machine Learning detection for dropped file 38->130 132 Tries to harvest and steal browser information (history, passwords, etc) 38->132 134 Tries to steal Crypto Currency Wallets 38->134 49 cmd.exe 38->49         started        136 Injects a PE file into a foreign processes 40->136 51 GB286F7AGC56156.exe 40->51         started        104 iplogger.org 148.251.234.83 HETZNER-ASDE Germany 44->104 100 C:\Users\user\AppData\Local\Temp\vnN6.cpl, PE32 44->100 dropped 138 May check the online IP address of the machine 44->138 55 control.exe 44->55         started        57 explorer.exe 44->57         started        file12 signatures13 process14 dnsIp15 59 conhost.exe 47->59         started        61 timeout.exe 47->61         started        63 conhost.exe 49->63         started        65 timeout.exe 49->65         started        106 cdn.discordapp.com 162.159.133.233 CLOUDFLARENETUS United States 51->106 86 C:\Windows\Temp\xsv.exe, PE32+ 51->86 dropped 67 cmd.exe 51->67         started        69 rundll32.exe 55->69         started        71 WerFault.exe 20 9 57->71         started        file16 process17 dnsIp18 74 xsv.exe 67->74         started        78 conhost.exe 67->78         started        80 rundll32.exe 69->80         started        114 192.168.2.1 unknown unknown 71->114 process19 file20 96 C:\Users\user\AppData\Roaming\...\Clipper.exe, PE32+ 74->96 dropped 144 Creates multiple autostart registry keys 74->144 82 conhost.exe 74->82         started        84 rundll32.exe 80->84         started        signatures21 process22
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2022-09-19 07:06:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:arkei botnet:default discovery miner persistence spyware stealer vmprotect
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
VMProtect packed file
Detectes Phoenix Miner Payload
Arkei
Unpacked files
SH256 hash:
45a7548caefdaba416661503999d6f303b34df6ff1986dea142fcc59649888f8
MD5 hash:
6e2cdfe740807c1cc60eec6073e0e8cd
SHA1 hash:
c96f8a90c6d6724aad13d7e3eb30ff04d68f284f
SH256 hash:
144c0fcf6f803810d13f85bb4541c9916eb80e0d0d59bd24e03b5dd9159710df
MD5 hash:
bd2b464bbcc0e12f585c3d300d4b7fc5
SHA1 hash:
3fa46371470b2c92898e85e9b34f2462360f79be
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:RansomwareTest6
Author:Daoyuan Wu
Description:Test Ransomware YARA rules

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments