MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 989208861fc50900a1a7cf877cc8112fdbcdea0650fade1e826bc6ef9aa0f2a0. 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



GuLoader


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 989208861fc50900a1a7cf877cc8112fdbcdea0650fade1e826bc6ef9aa0f2a0
SHA3-384 hash: 18cdf4928058912036a814d9a54ef297c4bdfe375214ee79a0f242ee3b9c6cf59d235e65b5406354e8bbbb1606dfa715
SHA1 hash: 861c1e5230cc742e5d181f2f0a02835d96936a41
MD5 hash: 26c11046247b60a3c832eff4264feccf
humanhash: grey-shade-mockingbird-oscar
File name:fedex_post_tax_clearance_bill_invoice_31_07_2025_000000000000005.bat
Download: download sample
Signature GuLoader
File size:8'586 bytes
First seen:2025-08-02 13:15:11 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 192:QTcW/PJEonwdef64hWt2B1uFro/oXqgtRAJKdrTV/xD+D:Q3nuey4hRYreoX/gCrFd+D
TLSH T1A1026BB18139A56C0B6826C8EC124E1D0BBF697C9612460D92F960E613CE3C596E9FBD
Magika powershell
Reporter cocaman
Tags:bat GuLoader INVOICE

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fedex_post_tax_clearance_bill_invoice_31_07_2025_000000000000005.bat
Verdict:
No threats detected
Analysis date:
2025-08-02 13:16:42 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
xtreme shell sage
Result
Threat name:
FormBook, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Early bird code injection technique detected
Encrypted powershell cmdline option found
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample has a suspicious name (potential lure to open the executable)
Suricata IDS alerts for network traffic
Suspicious powershell command line found
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)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1749062 Sample: fedex_post_tax_clearance_bi... Startdate: 02/08/2025 Architecture: WINDOWS Score: 100 49 www.hawkingonsol.xyz 2->49 51 www.cleverpayment.xyz 2->51 53 4 other IPs or domains 2->53 79 Suricata IDS alerts for network traffic 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 Multi AV Scanner detection for submitted file 2->83 87 5 other signatures 2->87 11 powershell.exe 13 2->11         started        14 cmd.exe 1 2->14         started        signatures3 85 Performs DNS queries to domains with low reputation 51->85 process4 signatures5 89 Early bird code injection technique detected 11->89 91 Writes to foreign memory regions 11->91 93 Found suspicious powershell code related to unpacking or dynamic code loading 11->93 95 Queues an APC in another process (thread injection) 11->95 16 msiexec.exe 2 7 11->16         started        19 msiexec.exe 11->19         started        21 conhost.exe 11->21         started        97 Suspicious powershell command line found 14->97 99 Encrypted powershell cmdline option found 14->99 23 powershell.exe 14 19 14->23         started        26 conhost.exe 14->26         started        process6 dnsIp7 65 Obfuscated command line found 16->65 67 Maps a DLL or memory area into another process 16->67 28 5hpU7dEArr.exe 16->28 injected 31 cmd.exe 1 16->31         started        55 gdd.net.br 172.67.196.67, 443, 49725, 49730 CLOUDFLARENETUS United States 23->55 57 martinsmateriaprima.com.br 177.53.143.68, 443, 49719, 49720 BrasilSiteInformaticaLTDABR Brazil 23->57 69 Found suspicious powershell code related to unpacking or dynamic code loading 23->69 signatures8 process9 signatures10 101 Maps a DLL or memory area into another process 28->101 33 secinit.exe 13 28->33         started        103 Obfuscated command line found 31->103 36 conhost.exe 31->36         started        38 reg.exe 1 1 31->38         started        process11 signatures12 71 Tries to steal Mail credentials (via file / registry access) 33->71 73 Tries to harvest and steal browser information (history, passwords, etc) 33->73 75 Modifies the context of a thread in another process (thread injection) 33->75 77 2 other signatures 33->77 40 bsagUdRIE3g1X.exe 33->40 injected 43 chrome.exe 33->43         started        45 firefox.exe 33->45         started        process13 dnsIp14 59 bentleybella.info 195.110.124.133, 49732, 49733, 49734 REGISTER-ASIT Italy 40->59 61 www.cleverpayment.xyz 13.248.169.48, 49736, 49737, 49738 AMAZON-02US United States 40->61 63 www.hawkingonsol.xyz 76.223.54.146, 49731, 80 AMAZON-02US United States 40->63 47 WerFault.exe 4 43->47         started        process15
Verdict:
Malicious
Threat:
HEUR:Trojan.PowerShell.Obfus
Threat name:
Script-BAT.Trojan.Guloader
Status:
Malicious
First seen:
2025-07-31 17:24:14 UTC
File Type:
Text
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader execution persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Network Service Discovery
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Guloader family
Guloader,Cloudeye
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: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

GuLoader

Batch (bat) bat 989208861fc50900a1a7cf877cc8112fdbcdea0650fade1e826bc6ef9aa0f2a0

(this sample)

Comments