MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b31084837bcfd507c18495ea053b0b234b06404e5c97b527866a8e43268c4c59. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: b31084837bcfd507c18495ea053b0b234b06404e5c97b527866a8e43268c4c59
SHA3-384 hash: fcd63e71d1f32a71ede1ef2b594d23427b1f06e39835f6c68117f94c8a41fc315ace4a5c16eeed13c66d54b9bf490d91
SHA1 hash: 938d905137a8947a5e76882bf84261cf557be571
MD5 hash: bf10c0880ff642e5677f85fb06fea67a
humanhash: seven-connecticut-bravo-north
File name:Sales_AQS RFQ-1180-25-Spec-Outlined-BD7009.exe
Download: download sample
Signature PhantomStealer
File size:53'760 bytes
First seen:2025-09-02 01:55:36 UTC
Last seen:2025-09-03 17:54:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 768:i3t5iI1CN855CTwb5LuIXgW/xwYtjJjJHEKr4eEL1aK0Fy0xZGC2vSHsMdc5:iDR55CTwbUIXgWfYtt0h/xjHi
TLSH T13F33B71FB29A95A6E9B3B736CCF242101671BC526D13C40D294E238648D2375DADAF3F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe PhantomStealer primeline-it-com

Intelligence


File Origin
# of uploads :
5
# of downloads :
98
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Sales_AQS RFQ-1180-25-Spec-Outlined-BD7009.exe
Verdict:
Malicious activity
Analysis date:
2025-09-02 01:56:23 UTC
Tags:
auto-reg purecrypter crypto-regex stealer evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Reading critical registry keys
Creating a file in the %temp% subdirectories
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 net_reactor obfuscated packed purecrypter stealer unsafe
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-31T16:55:00Z UTC
Last seen:
2025-08-31T16:55:00Z UTC
Hits:
~10000
Result
Threat name:
AveMaria, PureLog Stealer, ResolverRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Found many strings related to Crypto-Wallets (likely being stolen)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Maps a DLL or memory area into another process
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)
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Switches to a custom stack to bypass stack traces
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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AveMaria stealer
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected ResolverRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1769165 Sample: Sales_AQS RFQ-1180-25-Spec-... Startdate: 02/09/2025 Architecture: WINDOWS Score: 100 61 telemetry-incoming.r53-2.services.mozilla.com 2->61 63 services.addons.mozilla.org 2->63 65 16 other IPs or domains 2->65 87 Multi AV Scanner detection for submitted file 2->87 89 Yara detected ResolverRAT 2->89 91 Yara detected PureLog Stealer 2->91 93 6 other signatures 2->93 9 Sales_AQS RFQ-1180-25-Spec-Outlined-BD7009.exe 15 2 2->9         started        13 msedge.exe 2->13         started        15 firefox.exe 1 2->15         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 81 primeline.it.com 83.217.209.222, 443, 49714 INF-NET-ASRU Russian Federation 9->81 105 Found many strings related to Crypto-Wallets (likely being stolen) 9->105 107 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->107 19 InstallUtil.exe 25 14 9->19         started        83 192.168.2.4, 138, 443, 49270 unknown unknown 13->83 85 239.255.255.250 unknown Reserved 13->85 109 Maps a DLL or memory area into another process 13->109 24 msedge.exe 13->24         started        26 setup.exe 13->26         started        28 msedge.exe 13->28         started        36 5 other processes 13->36 30 firefox.exe 3 160 15->30         started        32 conhost.exe 17->32         started        34 conhost.exe 17->34         started        signatures6 process7 dnsIp8 67 mail.taikei-rmc-co.biz 103.253.42.215, 49762, 587 TELE-ASTeleAsiaLimitedHK Hong Kong 19->67 69 icanhazip.com 104.16.184.241, 49761, 80 CLOUDFLARENETUS United States 19->69 55 C:\Users\user\AppData\...\InstallUtil.exe, PE32 19->55 dropped 95 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 19->95 97 Tries to steal Mail credentials (via file / registry access) 19->97 99 Tries to harvest and steal browser information (history, passwords, etc) 19->99 101 5 other signatures 19->101 38 msedge.exe 19->38         started        41 chrome.exe 19->41 injected 43 firefox.exe 1 19->43         started        51 2 other processes 19->51 71 s-part-0012.t-0009.t-msedge.net 13.107.246.40, 443, 49737, 49758 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 24->71 73 onedscolprdcus15.centralus.cloudapp.azure.com 13.89.179.11, 443, 49743 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 24->73 77 35 other IPs or domains 24->77 45 setup.exe 26->45         started        75 prod.detectportal.prod.cloudops.mozgcp.net 34.107.221.82, 49790, 49794, 80 GOOGLEUS United States 30->75 79 7 other IPs or domains 30->79 57 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 30->57 dropped 59 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 30->59 dropped 47 firefox.exe 30->47         started        49 firefox.exe 30->49         started        file9 signatures10 process11 signatures12 103 Monitors registry run keys for changes 38->103 53 msedge.exe 38->53         started        process13
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.57 Win 32 Exe x86
Threat name:
Win32.Trojan.Jalapeno
Status:
Malicious
First seen:
2025-08-31 19:53:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
phantomstealer
Score:
  10/10
Tags:
family:phantomstealer collection discovery persistence
Behaviour
Checks processor information in registry
Enumerates system info in registry
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
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
Executes dropped EXE
Phantomstealer family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b31084837bcfd507c18495ea053b0b234b06404e5c97b527866a8e43268c4c59
MD5 hash:
bf10c0880ff642e5677f85fb06fea67a
SHA1 hash:
938d905137a8947a5e76882bf84261cf557be571
Detections:
PureCrypter_Stage1
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


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

Malspam

PhantomStealer

Executable exe b31084837bcfd507c18495ea053b0b234b06404e5c97b527866a8e43268c4c59

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments