MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb8a4cb7d45a5f0828e0134d67947186498b8db141890ce488f6aa0240592665. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb8a4cb7d45a5f0828e0134d67947186498b8db141890ce488f6aa0240592665
SHA3-384 hash: c39be9547acb164aff820837ef6b90377d919ded3597e97ce8ccb390713d354ea9c009054f19e2f9e649e07a257d3c2a
SHA1 hash: 8feb2e01b5a2997474c8251e8de3d0e81e3245ef
MD5 hash: b72fdd09e3b05fedfe301161ec109cec
humanhash: india-montana-thirteen-mirror
File name:file
Download: download sample
Signature LummaStealer
Create hunting rule
File size:336'424 bytes
First seen:2024-09-13 06:22:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:fWR6B9lDDo63tfsrSAAS97Uled+QrDrQo5HVCakLYlY3wtIaJRDwBLhYs7qvpxKv:g89lXo6RuAS97Uled+kQw1CaY3wZ58Lb
TLSH T1B16423A4ACC87026C7F9383321F4926A7B01BE597473E76B7E645103AF80D727929B47
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:exe LummaStealer


Avatar
Bitsight
url: http://147.45.44.104/prog/66e3d964a96d8_lfndsa.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
389
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cb8a4cb7d45a5f0828e0134d67947186498b8db141890ce488f6aa0240592665.exe
Verdict:
No threats detected
Analysis date:
2024-09-13 13:09:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d38d2efe-416b-469a-91e3-ee54e45b0a94

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Pwsx-10035189-0
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e3da48751db35a8b9f8a10
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Connection attempt to an infection source
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Forced shutdown of a system process
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66e3da48fb8f4cd826335e91/reports/10d3a568-3ba2-44ad-b9fd-1b2338d4bf0f/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/cb8a4cb7d45a5f0828e0134d67947186498b8db141890ce488f6aa0240592665
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/05af8bc8-d8cf-4e7d-bb20-40908b7bccce
Result
Threat name:
LummaC
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1510632
Signature
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Injects a PE file into a foreign processes
LummaC encrypted strings found
Multi AV Scanner detection for domain / URL
Sample uses string decryption to hide its real strings
Writes to foreign memory regions
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1510632 Sample: file.exe Startdate: 13/09/2024 Architecture: WINDOWS Score: 100 22 Multi AV Scanner detection for domain / URL 2->22 24 Found malware configuration 2->24 26 Antivirus detection for URL or domain 2->26 28 5 other signatures 2->28 8 file.exe 2 2->8         started        process3 signatures4 30 Contains functionality to inject code into remote processes 8->30 32 Writes to foreign memory regions 8->32 34 Allocates memory in foreign processes 8->34 36 2 other signatures 8->36 11 RegAsm.exe 1 8->11         started        14 conhost.exe 8->14         started        process5 file6 20 C:\...20U0TXM8DY07JI9WO7RZSMY.exe, PE32 11->20 dropped 16 NU0TXM8DY07JI9WO7RZSMY.exe 2 11->16         started        process7 process8 18 conhost.exe 16->18         started       
Score:
78%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cb8a4cb7d45a5f0828e0134d67947186498b8db141890ce488f6aa0240592665
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb8a4cb7d45a5f0828e0134d67947186498b8db141890ce488f6aa0240592665/
Threat name:
Win32.Spyware.Lummastealer
Create hunting rule
Status:
Malicious
First seen:
2024-09-13 06:23:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zofezn6uljpqqkhacngwpfdrqzeyxdnrigeqzzei62vaeqczezsq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240913-g5f5msyekm/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d587b096-c3fb-4ea0-afdb-6c86f5f7211a
Unpacked files
SH256 hash:
507b4c650bb40f5f74a0f56b2a480ea6720a949bc81b303da06330d01b1e5624
MD5 hash:
3a63bc64bb5fd6df7b77745d1a01ea29
SHA1 hash:
5359b7caf80e8472effaa7c1642d7234ea8d37cd
Detections:
LummaStealer
Create hunting rule
Link:
https://www.unpac.me/results/9cef57be-9458-4f03-9587-805d242ddf72/
SH256 hash:
cb8a4cb7d45a5f0828e0134d67947186498b8db141890ce488f6aa0240592665
MD5 hash:
b72fdd09e3b05fedfe301161ec109cec
SHA1 hash:
8feb2e01b5a2997474c8251e8de3d0e81e3245ef
Link:
https://www.unpac.me/results/9cef57be-9458-4f03-9587-805d242ddf72/
Malware family:
Lumma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cb8a4cb7d45a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/cb8a4cb7d45a5f0828e0134d67947186498b8db141890ce488f6aa0240592665

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:Detect_APT29_WINELOADER_Backdoor
Create hunting rule
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

LummaStealer

Executable exe cb8a4cb7d45a5f0828e0134d67947186498b8db141890ce488f6aa0240592665

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3169957/

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 (GUARD_CF)high

Comments