MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c244daa7bc6cde90a0580dc905273e04e25fb34a0d5828b6212d47ba60eefcaa. 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: 14


Intelligence 14 IOCs YARA 13 File information Comments

SHA256 hash: c244daa7bc6cde90a0580dc905273e04e25fb34a0d5828b6212d47ba60eefcaa
SHA3-384 hash: d97f34f5db9b00fac042f43e0e262b6e00b0627a8a2aff4e7d30bbbc08c89a2206990aafed1fedf9700c3dc06929da82
SHA1 hash: 9f645ab6f392334bb246ecfe02fd0b1580392047
MD5 hash: 390092727e31a3e32bc1a21d6bab5c91
humanhash: ink-ceiling-mobile-cold
File name:file
Download: download sample
Signature ArkeiStealer
File size:5'920'256 bytes
First seen:2023-01-08 17:13:42 UTC
Last seen:2023-01-09 21:37:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:cqcxdaubds9DyQCnxZtS5FnJizqLHzs0h+l71kMvBaOxkGkL:cqcza+oDyQC9Sz3kl3v1kG
TLSH T1785655763B30B73BB1725B6949668EC0C17CAF23B920FEA6513A125F8563981724137F
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter andretavare5
Tags:ArkeiStealer exe


Avatar
andretavare5
Sample downloaded from https://lazydowns.com/josina.exe

Intelligence


File Origin
# of uploads :
502
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-08 17:14:19 UTC
Tags:
trojan amadey stealer vidar evasion loader

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

Behaviour
Searching for the window
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Sending a custom TCP request
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Creating a window
Launching the default Windows debugger (dwwin.exe)
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm
Result
Verdict:
MALICIOUS
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:
Amadey, Fabookie, ManusCrypt, Vidar
Detection:
malicious
Classification:
phis.bank.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Creates processes via WMI
Detected VMProtect packer
Installs new ROOT certificates
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sets a auto configuration URL for Internet Explorer (IE settings are enforced automatically)
Sets debug register (to hijack the execution of another thread)
System process connects to network (likely due to code injection or exploit)
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 Instant Messenger accounts or passwords
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Amadeys stealer DLL
Yara detected Fabookie
Yara detected ManusCrypt
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 780274 Sample: file.exe Startdate: 08/01/2023 Architecture: WINDOWS Score: 100 130 Multi AV Scanner detection for domain / URL 2->130 132 Malicious sample detected (through community Yara rule) 2->132 134 Antivirus detection for URL or domain 2->134 136 12 other signatures 2->136 11 file.exe 4 2->11         started        14 rundll32.exe 2->14         started        16 nbveek.exe 2->16         started        18 nbveek.exe 2->18         started        process3 file4 86 C:\...\build_2023-01-06_10-15_protected.exe, PE32 11->86 dropped 88 C:\Users\user\AppData\Local\...\Player3.exe, PE32 11->88 dropped 90 C:\Users\user\AppData\Local\...\file.exe.log, CSV 11->90 dropped 20 Player3.exe 3 11->20         started        24 build_2023-01-06_10-15_protected.exe 12 11->24         started        27 rundll32.exe 14->27         started        process5 dnsIp6 80 C:\Users\user\AppData\Local\...\nbveek.exe, PE32 20->80 dropped 138 Antivirus detection for dropped file 20->138 140 Multi AV Scanner detection for dropped file 20->140 142 Machine Learning detection for dropped file 20->142 144 Contains functionality to inject code into remote processes 20->144 29 nbveek.exe 30 20->29         started        114 149.154.167.99 TELEGRAMRU United Kingdom 24->114 116 94.130.190.48 HETZNER-ASDE Germany 24->116 34 WerFault.exe 24->34         started        146 Writes to foreign memory regions 27->146 148 Allocates memory in foreign processes 27->148 150 Creates a thread in another existing process (thread injection) 27->150 36 svchost.exe 27->36 injected 38 svchost.exe 27->38 injected 40 svchost.exe 27->40 injected 42 7 other processes 27->42 file7 signatures8 process9 dnsIp10 122 77.73.134.27 FIBEROPTIXDE Kazakhstan 29->122 124 8.8.8.8 GOOGLEUS United States 29->124 126 162.159.130.233 CLOUDFLARENETUS United States 29->126 94 C:\Users\user\AppData\Roaming\...\cred64.dll, PE32+ 29->94 dropped 96 C:\Users\user\AppData\Local\Temp\...\wj.exe, PE32 29->96 dropped 98 C:\Users\user\AppData\Local\...\pb1111.exe, PE32+ 29->98 dropped 100 3 other malicious files 29->100 dropped 174 Antivirus detection for dropped file 29->174 176 Multi AV Scanner detection for dropped file 29->176 178 Creates an undocumented autostart registry key 29->178 184 2 other signatures 29->184 44 rundll32.exe 29->44         started        46 wj.exe 29->46         started        49 pb1111.exe 29->49         started        55 2 other processes 29->55 128 52.182.143.212 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 34->128 180 Sets debug register (to hijack the execution of another thread) 36->180 182 Modifies the context of a thread in another process (thread injection) 36->182 52 svchost.exe 36->52         started        file11 signatures12 process13 dnsIp14 57 rundll32.exe 23 44->57         started        160 Multi AV Scanner detection for dropped file 46->160 162 Creates processes via WMI 46->162 61 wj.exe 46->61         started        64 conhost.exe 46->64         started        102 157.240.17.35 FACEBOOKUS United States 49->102 104 157.240.20.35 FACEBOOKUS United States 49->104 112 2 other IPs or domains 49->112 164 Machine Learning detection for dropped file 49->164 106 208.95.112.1 TUT-ASUS United States 52->106 108 104.21.34.132 CLOUDFLARENETUS United States 52->108 110 34.142.181.181 ATGS-MMD-ASUS United States 52->110 82 C:\Users\user\AppData\Local\...\Cookies.db, SQLite 52->82 dropped 84 C:\Users\user\AppData\Local\...\Login Data.db, SQLite 52->84 dropped 166 Query firmware table information (likely to detect VMs) 52->166 168 Installs new ROOT certificates 52->168 170 Sets a auto configuration URL for Internet Explorer (IE settings are enforced automatically) 52->170 172 Tries to harvest and steal browser information (history, passwords, etc) 52->172 66 conhost.exe 55->66         started        68 conhost.exe 55->68         started        70 cmd.exe 1 55->70         started        72 5 other processes 55->72 file15 signatures16 process17 dnsIp18 118 192.168.2.1 unknown unknown 57->118 152 System process connects to network (likely due to code injection or exploit) 57->152 154 Tries to steal Instant Messenger accounts or passwords 57->154 156 Tries to harvest and steal ftp login credentials 57->156 158 Tries to harvest and steal browser information (history, passwords, etc) 57->158 74 tar.exe 57->74         started        120 188.114.97.3 CLOUDFLARENETUS European Union 61->120 92 C:\Users\user\AppData\Local\Temp\db.dll, PE32 61->92 dropped 76 conhost.exe 61->76         started        file19 signatures20 process21 process22 78 conhost.exe 74->78         started       
Threat name:
ByteCode-MSIL.Downloader.ShortLoader
Status:
Malicious
First seen:
2023-01-08 17:14:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  3/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:vidar botnet:494 discovery spyware stealer trojan vmprotect
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Unexpected DNS network traffic destination
Downloads MZ/PE file
Executes dropped EXE
VMProtect packed file
Amadey
Process spawned unexpected child process
Suspicious use of NtCreateUserProcessOtherParentProcess
Vidar
Malware Config
C2 Extraction:
77.73.134.27/8bmdh3Slb2/index.php
https://t.me/year2023start
https://steamcommunity.com/profiles/76561199467421923
Unpacked files
SH256 hash:
08b623cdf21bcff2bb6dfe13441022ac1a604e95124e46c46795af0cbc68cbc8
MD5 hash:
de69b3981d3a5e41acb6da84c351e627
SHA1 hash:
3432cecdaedbe4bed725071107517abe1e75e64e
SH256 hash:
619bbbc9e9ddd1f6b7961cacb33d99c8f558499a33751b28d91085aab8cb95ab
MD5 hash:
43a3e1c9723e124a9b495cd474a05dcb
SHA1 hash:
d293f427eaa8efc18bb8929a9f54fb61e03bdd89
Detections:
Amadey
SH256 hash:
73d5eb6c6f22ecfcf0a7551bc7d518999091750b4a35207213a4358b604f3e1b
MD5 hash:
ef2cc26de59c76033a99ed6fe7b39269
SHA1 hash:
02214655b3e2ce4169120488a2126ca46d747cc7
SH256 hash:
c244daa7bc6cde90a0580dc905273e04e25fb34a0d5828b6212d47ba60eefcaa
MD5 hash:
390092727e31a3e32bc1a21d6bab5c91
SHA1 hash:
9f645ab6f392334bb246ecfe02fd0b1580392047
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:CAS_Malware_Hunting
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:MALWARE_Win_Chebka
Author:ditekSHen
Description:Detects Chebka
Rule name:MALWARE_Win_DLInjector04
Author:ditekSHen
Description:Detects downloader / injector
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:msil_rc4
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_XORed_MSDOS_Stub_Message
Author:Florian Roth
Description:Detects suspicious XORed MSDOS stub message
Reference:https://yara.readthedocs.io/en/latest/writingrules.html#xor-strings
Rule name:Telegram_Links
Rule name:Windows_Trojan_Generic_a681f24a
Author:Elastic Security
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security

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

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