MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b26e08b262b45842f87361d81dbdb3205fea3632b17ee43d5457bacde98e1de. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
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SHA256 hash: 4b26e08b262b45842f87361d81dbdb3205fea3632b17ee43d5457bacde98e1de
SHA3-384 hash: 2acb76dff87320947e170a49d6b3f1a774b8e1ce11de2757be36ff38a456b83188d8ab2d84fe681d5e962bf69c9bdd65
SHA1 hash: ea9cde739db9e2fb3d185c9b842443c096ac9c66
MD5 hash: bd7b1a726951282c65ec0ca069c7549b
humanhash: skylark-december-oxygen-emma
File name:bd7b1a726951282c65ec0ca069c7549b.exe
Download: download sample
Signature LummaStealer
Create hunting rule
File size:1'905'152 bytes
First seen:2024-12-26 11:39:16 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 49152:Mv6tc8wduq2yHGlCb7Ydpx0JLi2ykEQ2B4XE3wz:cGq2PJ3SLi2rEpuX
TLSH T1839533389713DD2EE0CF92BEC983CCC6468D437C862AB564371C279467D367815B8E9A
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 :
345
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
39186e59233102f510395c4da3281fe5cc897f69903bafa8e10d4f491c945d1d
Verdict:
Malicious activity
Analysis date:
2024-12-26 09:24:40 UTC
Tags:
amadey botnet stealer loader stealc themida gcleaner lumma credentialflusher auto coinminer arch-exec
Link:
https://app.any.run/tasks/282a21f1-2c12-4dbe-94de-35f06a4d3936

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Symmi.84601.3467.25422.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676d40988a4d48ee35ffa8f1
Tags:
vmdetect autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
DNS request
Connection attempt
Sending a custom TCP request
Behavior that indicates a threat
Connection attempt to an infection source
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm packed packed packer_detected xpack
Link:
https://www.filescan.io/uploads/676d4094b227d2dfb41060ea/reports/eb4a9f46-43e4-431f-a682-443b76fe17f0/overview
Verdict:
Malicious
Labled as:
Symmi.Generic
Link:
https://www.hybrid-analysis.com/sample/4b26e08b262b45842f87361d81dbdb3205fea3632b17ee43d5457bacde98e1de
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/84748dda-58d4-4b13-95fe-a3872947ca85
Result
Threat name:
LummaC, Amadey, LummaC Stealer, Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1580871
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 Amadeys stealer DLL
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1580871 Sample: 0Pm0sadcCP.exe Startdate: 26/12/2024 Architecture: WINDOWS Score: 100 45 pancakedipyps.click 2->45 47 mindhandru.buzz 2->47 75 Suricata IDS alerts for network traffic 2->75 77 Found malware configuration 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 14 other signatures 2->81 8 0Pm0sadcCP.exe 2 2->8         started        13 skotes.exe 19 2->13         started        signatures3 process4 dnsIp5 51 185.215.113.16, 49716, 80 WHOLESALECONNECTIONSNL Portugal 8->51 53 mindhandru.buzz 104.21.11.101, 443, 49705, 49706 CLOUDFLARENETUS United States 8->53 31 C:\Users\user\...\XT4RKCBJ12FRK2ICGNPOLFV.exe, PE32 8->31 dropped 33 C:\Users\user\...\OP81TZFEH4RK84NC.exe, PE32 8->33 dropped 83 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->83 85 Query firmware table information (likely to detect VMs) 8->85 87 Found many strings related to Crypto-Wallets (likely being stolen) 8->87 95 6 other signatures 8->95 15 XT4RKCBJ12FRK2ICGNPOLFV.exe 4 8->15         started        19 OP81TZFEH4RK84NC.exe 13 8->19         started        55 185.215.113.43, 49795, 49802, 49827 WHOLESALECONNECTIONSNL Portugal 13->55 57 31.41.244.11, 49807, 49832, 80 AEROEXPRESS-ASRU Russian Federation 13->57 35 C:\Users\user\AppData\...\d23f2fa81e.exe, PE32 13->35 dropped 37 C:\Users\user\AppData\...\c04d1dfee0.exe, PE32 13->37 dropped 39 C:\Users\user\AppData\Local\...\random[1].exe, PE32 13->39 dropped 41 C:\Users\user\AppData\Local\...\random[1].exe, PE32 13->41 dropped 89 Hides threads from debuggers 13->89 91 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->91 93 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 13->93 22 d23f2fa81e.exe 1 13->22         started        24 c04d1dfee0.exe 13->24         started        file6 signatures7 process8 dnsIp9 43 C:\Users\user\AppData\Local\...\skotes.exe, PE32 15->43 dropped 59 Antivirus detection for dropped file 15->59 61 Machine Learning detection for dropped file 15->61 63 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->63 73 3 other signatures 15->73 26 skotes.exe 15->26         started        49 185.215.113.206, 49718, 80 WHOLESALECONNECTIONSNL Portugal 19->49 65 Detected unpacking (changes PE section rights) 19->65 67 Tries to evade debugger and weak emulator (self modifying code) 19->67 69 Tries to detect virtualization through RDTSC time measurements 19->69 71 Multi AV Scanner detection for dropped file 22->71 29 conhost.exe 22->29         started        file10 signatures11 process12 signatures13 97 Antivirus detection for dropped file 26->97 99 Detected unpacking (changes PE section rights) 26->99 101 Tries to detect sandboxes and other dynamic analysis tools (window names) 26->101 103 6 other signatures 26->103
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4b26e08b262b45842f87361d81dbdb3205fea3632b17ee43d5457bacde98e1de
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b26e08b262b45842f87361d81dbdb3205fea3632b17ee43d5457bacde98e1de/
Threat name:
Win32.Trojan.CryptBot
Create hunting rule
Status:
Malicious
First seen:
2024-12-26 11:40:08 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=jmtobczgfncyil4hgyoydw63gic75i3dfml64q6viv52zxuy4hpa._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
amadey
Create hunting rule
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/241226-nsvwlavldn/
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
Malware Config
C2 Extraction:
https://hummskitnj.buzz/api
https://cashfuzysao.buzz/api
https://appliacnesot.buzz/api
https://screwamusresz.buzz/api
https://inherineau.buzz/api
https://scentniej.buzz/api
https://rebuildeso.buzz/api
https://prisonyfork.buzz/api
https://mindhandru.buzz/api
Verdict:
Suspicious
Tags:
lumma stealer lumma_stealer c2
YARA:
n/a
Link:
https://app.threat.zone/submission/af0ba17d-0edf-4f9a-83b3-9291015e2232
Unpacked files
SH256 hash:
191daa82a6405a5a3b220940821af2777a7398ba917344d952fb9fdbc4d0be4f
MD5 hash:
d0f45698a73cfbf97aafe5a4a2c64245
SHA1 hash:
157615d0c8951a6b4692f9648c3ec9962c312081
Link:
https://www.unpac.me/results/2652ddb7-c560-4eb6-908b-e0ed732762c0/
SH256 hash:
4b26e08b262b45842f87361d81dbdb3205fea3632b17ee43d5457bacde98e1de
MD5 hash:
bd7b1a726951282c65ec0ca069c7549b
SHA1 hash:
ea9cde739db9e2fb3d185c9b842443c096ac9c66
Link:
https://www.unpac.me/results/2652ddb7-c560-4eb6-908b-e0ed732762c0/
Malware family:
Lumma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4b26e08b262b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4b26e08b262b45842f87361d81dbdb3205fea3632b17ee43d5457bacde98e1de

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)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

LummaStealer

Executable exe 4b26e08b262b45842f87361d81dbdb3205fea3632b17ee43d5457bacde98e1de

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3245480/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3337943/

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

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