MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c89400e70500cd0faad8ea9d0c8d3cc2fc58408c1123dd3fbcd02e80d4bbed65. 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 8 File information Comments
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SHA256 hash: c89400e70500cd0faad8ea9d0c8d3cc2fc58408c1123dd3fbcd02e80d4bbed65
SHA3-384 hash: 6302106c15be31d3a8fe03a17fc67575902f89ec37d11950c676d62f63fe0ca6d1df1858d3c6a72137a00d7de07e880f
SHA1 hash: ad978e4a03be057bc5bfd3e7b222873d74738e52
MD5 hash: 2b047121c8f94659a5a83bbcd6a46e38
humanhash: london-lion-red-charlie
File name:2b047121c8f94659a5a83bbcd6a46e38.exe
Download: download sample
Signature LummaStealer
Create hunting rule
File size:1'507'328 bytes
First seen:2023-10-27 11:10:17 UTC
Last seen:2023-10-27 12:08:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash eb953be94fd05c947d0863e280730026 (1 x LummaStealer)
ssdeep 24576:lidvz/22dAleBJd84cX/LoK5muc6hGlfstbcyW28V:lMvz/keBJd8tWd6OfyUV
Threatray 1 similar samples on MalwareBazaar
TLSH T11F65BF20B8C0917EEDE321F387ADBA39055DF5E8077945DF85D80AEA97201C27F36685
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe LummaStealer


Avatar
abuse_ch
LummaStealer C2:
http://builaos.fun/api

Intelligence

File Origin
# of uploads :
2
# of downloads :
354
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/456675/
Detection(s):
SecuriteInfo.com.Trojan.Siggen21.51694.845.9191.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending an HTTP POST request
Reading critical registry keys
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Stealing user critical data
Sending an HTTP GET request to an infection source
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control greyware lolbin redline
Link:
https://www.filescan.io/uploads/653b9ac734de31f579cc2e71/reports/d7822ffc-5900-4d58-81a2-c3f9dd716963/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c89400e70500cd0faad8ea9d0c8d3cc2fc58408c1123dd3fbcd02e80d4bbed65
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/e12d7ec7-ca21-4170-93aa-83495ad2ee19
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
spyw.evad.mine
Score:
75 / 100
Link:
https://www.joesandbox.com/analysis/1333226
Signature
Antivirus detection for URL or domain
Contains functionality to register a low level keyboard hook
Drops password protected ZIP file
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1333226 Sample: bexj1tfMZF.exe Startdate: 27/10/2023 Architecture: WINDOWS Score: 75 41 builaos.fun 2->41 47 Snort IDS alert for network traffic 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 4 other signatures 2->53 9 bexj1tfMZF.exe 14 2->9         started        signatures3 process4 dnsIp5 43 builaos.fun 172.67.165.77, 49708, 49709, 49710 CLOUDFLARENETUS United States 9->43 45 217.196.96.217, 49741, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 9->45 33 C:\Users\user\AppData\...\laejjefmjhpolei.exe, PE32 9->33 dropped 35 C:\Users\user\AppData\...\ghwjvksvotcvmts.exe, PE32 9->35 dropped 55 Query firmware table information (likely to detect VMs) 9->55 57 Tries to harvest and steal browser information (history, passwords, etc) 9->57 14 ghwjvksvotcvmts.exe 8 9->14         started        18 laejjefmjhpolei.exe 5 9->18         started        file6 signatures7 process8 file9 37 C:\Users\user\AppData\Local\Temp\...\7z.exe, PE32+ 14->37 dropped 39 C:\Users\user\AppData\Local\Temp\...\7z.dll, PE32+ 14->39 dropped 59 Multi AV Scanner detection for dropped file 14->59 61 Contains functionality to register a low level keyboard hook 14->61 20 cmd.exe 1 2 14->20         started        signatures10 process11 process12 22 7z.exe 2 20->22         started        25 7z.exe 3 20->25         started        27 7z.exe 2 20->27         started        29 6 other processes 20->29 file13 31 C:\Users\user\AppData\...\6dytfuygbftud5.exe, PE32 22->31 dropped
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c89400e70500cd0faad8ea9d0c8d3cc2fc58408c1123dd3fbcd02e80d4bbed65
Detection:
lumma
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c89400e70500cd0faad8ea9d0c8d3cc2fc58408c1123dd3fbcd02e80d4bbed65/
Threat name:
Win32.Spyware.Lummastealer
Create hunting rule
Status:
Malicious
First seen:
2023-10-23 14:29:28 UTC
File Type:
PE (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zckabzyfadgq7kwy5koqzdj4yl6fqqemcer52p542axibvf35vsq._file
Verdict:
malicious
Similar samples:
65f68c86b215ee6c93a9c4f56eda6748e4af7d49589c69a3a5f96f5734468c25
LummaStealer
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/231027-m9966sdh2w/
Behaviour
Creates scheduled task(s)
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Unpacked files
SH256 hash:
c89400e70500cd0faad8ea9d0c8d3cc2fc58408c1123dd3fbcd02e80d4bbed65
MD5 hash:
2b047121c8f94659a5a83bbcd6a46e38
SHA1 hash:
ad978e4a03be057bc5bfd3e7b222873d74738e52
Link:
https://www.unpac.me/results/b140c748-822c-4888-a86e-b2fdf83ae85c/
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/c89400e70500cd0faad8ea9d0c8d3cc2fc58408c1123dd3fbcd02e80d4bbed65

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/456675/

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