MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f4236a00072d3b2e9688c57aef204295315e1e56a53c134e44d037e602a1f23. 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 YARA 4 File information Comments

SHA256 hash: 4f4236a00072d3b2e9688c57aef204295315e1e56a53c134e44d037e602a1f23
SHA3-384 hash: 373473f7e9f7de2949ed34d34d2e9c1257ffd92dd6fbad59596bdaf55c702d6b692ae0aa3f18b32458522c701cef328d
SHA1 hash: 747dd0c3b31ff50fc0b0fc0ce2a269426e81d2c0
MD5 hash: dd9b261370d38e19c041e529ce3c674b
humanhash: mexico-comet-missouri-ohio
File name:file
Download: download sample
Signature ArkeiStealer
File size:471'552 bytes
First seen:2023-01-04 12:24:24 UTC
Last seen:2023-01-06 05:36:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61542f39045f4d5b49a61acb6232fd63 (3 x RedLineStealer, 2 x Gozi, 1 x RecordBreaker)
ssdeep 6144:dVNdLwz3ztcOqMvJGs5ZRmDhjb+3QU7lsu9hyvsIg5oxupmL/7FgrVjT:Hf0TzFG8/obilx9h8IoxupmL/Z
TLSH T190A4D101F26BBB93E937C1794B15CBD577ADB8608A14D61F2358265F3EF0BA08172638
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon fcfcb4b494949cc0 (13 x Smoke Loader, 12 x RedLineStealer, 3 x ArkeiStealer)
Reporter andretavare5
Tags:ArkeiStealer exe


Avatar
andretavare5
Sample downloaded from http://45.84.0.83/2825.exe

Intelligence


File Origin
# of uploads :
1'232
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-04 12:26:31 UTC
Tags:
trojan stealer vidar

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

Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
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.
Malware family:
Arkei Stealer
Verdict:
Malicious
Result
Threat name:
Vidar, Xmrig
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
DNS related to crypt mining pools
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Found strings related to Crypto-Mining
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
PE file contains section with special chars
PE file has nameless sections
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Self deletion via cmd or bat file
Sigma detected: Schedule system process
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected Vidar stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 777782 Sample: file.exe Startdate: 04/01/2023 Architecture: WINDOWS Score: 100 66 xmr-eu1.nanopool.org 2->66 68 www.google.com 2->68 70 3 other IPs or domains 2->70 98 Malicious sample detected (through community Yara rule) 2->98 100 Antivirus detection for URL or domain 2->100 102 Antivirus detection for dropped file 2->102 104 13 other signatures 2->104 10 file.exe 22 2->10         started        signatures3 process4 dnsIp5 78 t.me 149.154.167.99, 443, 49705 TELEGRAMRU United Kingdom 10->78 80 94.130.190.48, 49706, 80 HETZNER-ASDE Germany 10->80 82 45.84.0.83, 49707, 80 ALEXHOSTMD Russian Federation 10->82 62 C:\Users\user\AppData\Local\...\mn1[1].exe, PE32 10->62 dropped 64 C:\ProgramData\15162159839489026192.exe, PE32 10->64 dropped 112 Detected unpacking (changes PE section rights) 10->112 114 Detected unpacking (overwrites its own PE header) 10->114 116 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->116 118 3 other signatures 10->118 15 15162159839489026192.exe 15 5 10->15         started        20 cmd.exe 1 10->20         started        file6 signatures7 process8 dnsIp9 84 transfer.sh 144.76.136.153, 443, 49708 HETZNER-ASDE Germany 15->84 58 C:\Users\...\556678974-j0xYuta9G35m02YL.exe, PE32 15->58 dropped 86 Antivirus detection for dropped file 15->86 88 Detected unpacking (changes PE section rights) 15->88 90 Machine Learning detection for dropped file 15->90 92 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 15->92 22 556678974-j0xYuta9G35m02YL.exe 14 22 15->22         started        94 Encrypted powershell cmdline option found 20->94 96 Uses schtasks.exe or at.exe to add and modify task schedules 20->96 27 conhost.exe 20->27         started        29 timeout.exe 1 20->29         started        file10 signatures11 process12 dnsIp13 72 api.telegram.org 149.154.167.220, 443, 49711 TELEGRAMRU United Kingdom 22->72 74 rentry.co 107.189.8.5, 443, 49710, 49717 PONYNETUS United States 22->74 76 www.google.com 142.250.203.100, 49709, 49716, 80 GOOGLEUS United States 22->76 60 C:\ProgramData\...\RuntimeBroker.exe, PE32 22->60 dropped 106 Antivirus detection for dropped file 22->106 108 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 22->108 110 Machine Learning detection for dropped file 22->110 31 cmd.exe 1 22->31         started        34 cmd.exe 22->34         started        36 cmd.exe 22->36         started        38 8 other processes 22->38 file14 signatures15 process16 signatures17 120 Encrypted powershell cmdline option found 31->120 40 powershell.exe 3 31->40         started        42 conhost.exe 31->42         started        44 conhost.exe 34->44         started        46 schtasks.exe 34->46         started        48 conhost.exe 36->48         started        50 schtasks.exe 36->50         started        52 conhost.exe 38->52         started        54 schtasks.exe 38->54         started        56 12 other processes 38->56 process18
Threat name:
Win32.Trojan.MintZard
Status:
Malicious
First seen:
2023-01-04 12:25:07 UTC
File Type:
PE (Exe)
Extracted files:
92
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:24 discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar
Malware Config
C2 Extraction:
https://t.me/year2023start
https://steamcommunity.com/profiles/76561199467421923
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d5987436ed6061c2b9cb0d5a4376d428194858e32b504e5fb4a47184d4220388
MD5 hash:
5addb9a77d021d35311cf28a6d2fcfcb
SHA1 hash:
04ab9026c92f5e705342bc180fcc6e4428821f60
SH256 hash:
4f4236a00072d3b2e9688c57aef204295315e1e56a53c134e44d037e602a1f23
MD5 hash:
dd9b261370d38e19c041e529ce3c674b
SHA1 hash:
747dd0c3b31ff50fc0b0fc0ce2a269426e81d2c0
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:Telegram_Links
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

Comments