MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1cf75f957a630cac1c6583440664efee2371cb923360c2d711a0dde2ddd38a1. 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



PhantomStealer


Vendor detections: 19


Intelligence 19 IOCs YARA 4 File information Comments

SHA256 hash: a1cf75f957a630cac1c6583440664efee2371cb923360c2d711a0dde2ddd38a1
SHA3-384 hash: dfff34143995e01b6359c654bdfc199f79046390f245f2d29366c126542415134348a9e48316abffffd9979d8a05e2b8
SHA1 hash: e33c6e4e674219727581d241f92564ff61446662
MD5 hash: 721d4e6a18bef56c6b72702727c303f5
humanhash: utah-yellow-fillet-speaker
File name:PO,(~1.2kb).exe
Download: download sample
Signature PhantomStealer
File size:1'703'936 bytes
First seen:2026-03-23 16:00:12 UTC
Last seen:2026-03-24 14:12:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'853 x AgentTesla, 19'780 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 24576:9MsNNbfrhlLSK2uxb4STBa5rXH98R0/eS9BrVXqI+QRd3p:zxfrhlLSK2Ft5rXKS/pVaIlL3
Threatray 303 similar samples on MalwareBazaar
TLSH T17D7501210E427F48C53E0BB8C066599173F18907A397EB5EAFFC41B55E63AD5CE2B902
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe PhantomStealer

Intelligence


File Origin
# of uploads :
3
# of downloads :
122
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
DeepSea
Details
DeepSea
DeepSea decrypted strings
Malware family:
n/a
ID:
1
File name:
037c40d1e1dd9f8a760a5c56e7295a01e89b8d645cbc4f30e85e24d9d57f932b.zip
Verdict:
Malicious activity
Analysis date:
2026-03-23 15:01:12 UTC
Tags:
arch-exec netreactor phantom stealer crypto-regex auto-reg telegram evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Verdict:
Malicious
Score:
70%
Tags:
micro virus remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypt formbook lolbin obfuscated obfuscated tracker vbnet
Verdict:
Malicious
File Type:
exe x32
Detections:
Trojan.Win32.Vimditator.sb HEUR:Trojan-PSW.MSIL.Stealerium.gen Backdoor.Win32.Androm.sb PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Stealerium.sb Trojan-PSW.MSIL.Discord.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Inject.b Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Disco.sb Trojan-PSW.Win32.Coins.sb Trojan-PSW.MSIL.Agentb.sb Trojan-Dropper.Win32.Injector.sb
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
DarkTortilla, KeyLogger, Phantom stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains process injector
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Browser instances using unsafe startup parameters
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Creates a thread in another existing process (thread injection)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Uses the Windows Restart Manager Abuse for Browser Credential File unlocking
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected DarkTortilla Crypter
Yara detected Keylogger Generic
Yara detected MSIL Injector
Yara detected Phantom stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1887723 Sample: PO,(#U007e1.2kb).exe Startdate: 23/03/2026 Architecture: WINDOWS Score: 100 70 api.telegram.org 2->70 72 services.addons.mozilla.org 2->72 74 6 other IPs or domains 2->74 94 Suricata IDS alerts for network traffic 2->94 96 Found malware configuration 2->96 98 Multi AV Scanner detection for submitted file 2->98 102 16 other signatures 2->102 9 PO,(#U007e1.2kb).exe 3 2->9         started        13 msedge.exe 2->13         started        16 firefox.exe 1 2->16         started        18 2 other processes 2->18 signatures3 100 Uses the Telegram API (likely for C&C communication) 70->100 process4 dnsIp5 62 C:\Users\user\...\PO,(#U007e1.2kb).exe.log, ASCII 9->62 dropped 114 Found many strings related to Crypto-Wallets (likely being stolen) 9->114 116 Writes to foreign memory regions 9->116 118 Allocates memory in foreign processes 9->118 120 2 other signatures 9->120 20 InstallUtil.exe 26 13 9->20         started        90 192.168.2.4, 138, 443, 49708 unknown unknown 13->90 92 239.255.255.250 unknown Reserved 13->92 64 C:\...\the-real-index~RF39bb4.TMP (copy), COM 13->64 dropped 66 C:\Users\user\...\the-real-index (copy), COM 13->66 dropped 68 C:\Users\user\AppData\Local\...\temp-index, COM 13->68 dropped 25 msedge.exe 13->25         started        27 setup.exe 13->27         started        29 msedge.exe 13->29         started        37 3 other processes 13->37 31 firefox.exe 3 130 16->31         started        33 conhost.exe 18->33         started        35 conhost.exe 18->35         started        file6 signatures7 process8 dnsIp9 76 api.telegram.org 149.154.166.110, 443, 49769, 49776 TELEGRAMRU United Kingdom 20->76 78 icanhazip.com 104.16.185.241, 49774, 80 CLOUDFLARENETUS United States 20->78 56 C:\Users\user\AppData\...\InstallUtil.exe, PE32 20->56 dropped 104 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->104 106 Tries to steal Mail credentials (via file / registry access) 20->106 108 Tries to harvest and steal browser information (history, passwords, etc) 20->108 110 7 other signatures 20->110 39 msedge.exe 20->39         started        42 chrome.exe 20->42 injected 44 firefox.exe 1 20->44         started        52 2 other processes 20->52 80 part-0041.t-0009.t-msedge.net 13.107.213.69, 443, 49721, 49750 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->80 82 mr-b01.tm-azurefd.net 150.171.109.145, 443, 49742 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->82 86 36 other IPs or domains 25->86 46 setup.exe 27->46         started        84 151.101.1.91, 443, 49796, 49797 FASTLYUS United States 31->84 88 4 other IPs or domains 31->88 58 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 31->58 dropped 60 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 31->60 dropped 48 firefox.exe 31->48         started        50 firefox.exe 31->50         started        file10 signatures11 process12 signatures13 112 Monitors registry run keys for changes 39->112 54 msedge.exe 39->54         started        process14
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2026-03-23 15:01:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
68
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
phantom_stealer
Score:
  10/10
Tags:
family:phantom_stealer collection discovery persistence stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
.NET Reactor proctector
Executes dropped EXE
Detects PhantomStealer written in C#
PhantomStealer
Phantom_stealer family
Malware Config
C2 Extraction:
https://api.telegram.org/bot8622471160:AAGNcswY1AVYADWLd-SuKYNprQhFuY9qvQg/sendMessage?chat_id=7426057666
Unpacked files
SH256 hash:
a1cf75f957a630cac1c6583440664efee2371cb923360c2d711a0dde2ddd38a1
MD5 hash:
721d4e6a18bef56c6b72702727c303f5
SHA1 hash:
e33c6e4e674219727581d241f92564ff61446662
SH256 hash:
dab12ac79cdf8beacb88a0767705a006d44227810fda918a54948d158775b75d
MD5 hash:
d2e0fecbb727a47053d58ad6a8058ad0
SHA1 hash:
478cb66192827d5d61d78395824dbf2d44403ee4
Detections:
phantom_stealer cn_utf8_windows_terminal INDICATOR_EXE_Packed_Fody INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_SandboxUserNames INDICATOR_SUSPICIOUS_EXE_TelegramChatBot INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs INDICATOR_SUSPICIOUS_EXE_SandboxComputerNames
SH256 hash:
18bf646fad26a0aa1264cac867789c6d9f4de762bc83b9aeeff0f8d8d48ee6ac
MD5 hash:
4faf9d90e22fe6f5452ab806bb763ed7
SHA1 hash:
564455391f73d9d8f3baf3b907dfb9723f249820
SH256 hash:
69b83d39655ef00f775e5bc22b91874d629e68319550000343c581318fbe6fd4
MD5 hash:
b02d83e8ecf71c6399a3b3be638fb93b
SHA1 hash:
dfaff9ecb5aeab521334bf05aa7832d3d9af9451
Malware family:
PhantomStealer
Verdict:
Malicious
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

PhantomStealer

Executable exe a1cf75f957a630cac1c6583440664efee2371cb923360c2d711a0dde2ddd38a1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments