MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb5655c486554fcceffdd7df4042befb5e22f3226713f4987292203773c984d0. 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


LummaStealer


Vendor detections: 15


Intelligence 15 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb5655c486554fcceffdd7df4042befb5e22f3226713f4987292203773c984d0
SHA3-384 hash: 4dbff36f95279181027d8adb88c1aa0ff046832aa45beab8224b7ebecacfc824749f6b0ddf69045c0e62047dc1b3f145
SHA1 hash: 1b34ee9ec2d2bb2f861a30f7adc6c878e27511ec
MD5 hash: 91e4f1ab8170b4af79ec38f14533f6c4
humanhash: connecticut-high-quebec-bluebird
File name:91e4f1ab8170b4af79ec38f14533f6c4.exe
Download: download sample
Signature LummaStealer
Create hunting rule
File size:1'870'848 bytes
First seen:2024-12-20 15:31:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 24576:JnCGpfcaWhSNkJNmDSxcqO5few3DGJHfpPMGS66AjU0QruzpAEbrVKTxyioOJLW+:JCfaWhCkJNmpWoDuHBx4AdQqdbrEoWn
TLSH T1838533131F017A47EF2955B820DBE33584F863898B3E3554A52B9D2E2CB930ACD7D16E
TrID 42.7% (.EXE) Win32 Executable (generic) (4504/4/1)
19.2% (.EXE) OS/2 Executable (generic) (2029/13)
19.0% (.EXE) Generic Win/DOS Executable (2002/3)
18.9% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe LummaStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
394
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
91e4f1ab8170b4af79ec38f14533f6c4.exe
Verdict:
Malicious activity
Analysis date:
2024-12-20 17:01:02 UTC
Tags:
lumma stealer loader stealc
Link:
https://app.any.run/tasks/398cb437-1bf9-449c-8003-c110c21055e2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67658df78a4d48ee35fd64af
Tags:
virus xpack
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Connection attempt to an infection source
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected xpack
Link:
https://www.filescan.io/uploads/67658df6dfd3fc9d659dea47/reports/fcc5b8d5-606d-425a-8f6d-75e7aca39905/overview
Verdict:
Malicious
Labled as:
Symmi.Generic
Link:
https://www.hybrid-analysis.com/sample/bb5655c486554fcceffdd7df4042befb5e22f3226713f4987292203773c984d0
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:
LummaC2 Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0741a38c-7c36-4601-b40d-52c4403cee8f
Result
Threat name:
LummaC
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1578981
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
LummaC encrypted strings found
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bb5655c486554fcceffdd7df4042befb5e22f3226713f4987292203773c984d0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb5655c486554fcceffdd7df4042befb5e22f3226713f4987292203773c984d0/
Threat name:
Win32.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2024-12-19 15:41:23 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xnlflregkvh4z37527puaqv67npcf4zcm4j7jgdssiqdo46jqtia._file
Verdict:
malicious
Label(s):
lummastealer
Create hunting rule
Similar samples:
error
LummaStealer
Result
Malware family:
lumma
Create hunting rule
Score:
  10/10
Tags:
family:lumma discovery evasion stealer
Link:
https://tria.ge/reports/241220-sylmbszjam/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Lumma Stealer, LummaC
Lumma family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d17c4bdf-719f-42c5-b41c-3dc524590f6c
Unpacked files
SH256 hash:
d197d08b112c10a891038612599fb3901e627a5c14ba58bf0182f66171b1f6c8
MD5 hash:
2bca37ada0c0958c8489219715fdb102
SHA1 hash:
adaae9222b9e8201abe00f6342859838db5ad095
Link:
https://www.unpac.me/results/35886c1e-8ed8-44d5-8482-9b864e14c1d8/
SH256 hash:
bb5655c486554fcceffdd7df4042befb5e22f3226713f4987292203773c984d0
MD5 hash:
91e4f1ab8170b4af79ec38f14533f6c4
SHA1 hash:
1b34ee9ec2d2bb2f861a30f7adc6c878e27511ec
Link:
https://www.unpac.me/results/35886c1e-8ed8-44d5-8482-9b864e14c1d8/
Malware family:
Lumma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bb5655c48655/report/overview.html
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_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

LummaStealer

Executable exe bb5655c486554fcceffdd7df4042befb5e22f3226713f4987292203773c984d0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3337943/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

Comments