MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 845b3e0ef3bf0235321063d4ffbd013212abcaa9b4104eae1706902214c38e00. 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: 11


Intelligence 11 IOCs YARA 12 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 845b3e0ef3bf0235321063d4ffbd013212abcaa9b4104eae1706902214c38e00
SHA3-384 hash: 876e4d9575024095e9b313923ec4e6a50ac5260866f652f4508e18d32da6f184129b0b678827398e8227d51b89208438
SHA1 hash: ad0b9d464c0ce04b7dabfb1104df10ae241b104b
MD5 hash: f8fcbb9dc832d62a75f5b3cf59015b05
humanhash: mountain-two-north-wyoming
File name:f8fcbb9dc832d62a75f5b3cf59015b05
Download: download sample
Signature LummaStealer
Create hunting rule
File size:1'698'640 bytes
First seen:2023-09-15 10:58:55 UTC
Last seen:2023-09-15 12:00:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:IxBty9XUrbcO3faYAPbXRnUgdKA026BNEam/eYeUUUJaJaGjfg71JkvG:aLuYQYAPbXRvqBNZDK1JSG
Threatray 396 similar samples on MalwareBazaar
TLSH T14C758D113ED482D0D6A5F2F54A5499780364BEE76310FD0F0AE73ACE6A39BC426F1C99
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 78e4d4d0c8cce4e4 (1 x LummaStealer)
Reporter zbetcheckin
Tags:32 exe LummaStealer signed

Code Signing Certificate

Organisation:Indesit IWSD 6105
Issuer:Indesit IWSD 6105
Algorithm:sha256WithRSAEncryption
Valid from:2023-09-14T15:25:43Z
Valid to:2026-05-14T00:00:00Z
Serial number: fff7cdb2e678344eb4197cd7ed428bc4
Intelligence: 3 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 65c7f34c19842814836faa0470e9f67a3e2d0ef5ae313aae711ba401e364dd20
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
278
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f8fcbb9dc832d62a75f5b3cf59015b05
Verdict:
Malicious activity
Analysis date:
2023-09-15 11:05:08 UTC
Tags:
lumma
Link:
https://app.any.run/tasks/6ac30d17-9599-4fa8-b72f-1e932c60bac7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/448819/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.14468.8248.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed packed regsvcs
Link:
https://www.filescan.io/uploads/650438fd482c0b85d5573069/reports/9ac96091-303a-4711-9b55-415a145a4419/overview
Verdict:
Malicious
Labled as:
MSIL/Kryptik.AJGW trojan
Link:
https://www.hybrid-analysis.com/sample/845b3e0ef3bf0235321063d4ffbd013212abcaa9b4104eae1706902214c38e00
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/c3cfccd2-00e6-4c08-baa0-495001042969
Result
Threat name:
LummaC Stealer, MicroClip, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1308886
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Connects to a pastebin service (likely for C&C)
Contains functionality to register a low level keyboard hook
Detected unpacking (changes PE section rights)
Encrypted powershell cmdline option found
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sigma detected: Schedule system process
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected LummaC Stealer
Yara detected MicroClip
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1308886 Sample: Wu11vnpMD4.exe Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 111 Multi AV Scanner detection for domain / URL 2->111 113 Malicious sample detected (through community Yara rule) 2->113 115 Antivirus detection for URL or domain 2->115 117 12 other signatures 2->117 11 Wu11vnpMD4.exe 1 2->11         started        process3 signatures4 131 Found many strings related to Crypto-Wallets (likely being stolen) 11->131 133 Writes to foreign memory regions 11->133 135 Allocates memory in foreign processes 11->135 137 Injects a PE file into a foreign processes 11->137 14 RegSvcs.exe 14 11->14         started        19 RegSvcs.exe 11->19         started        process5 dnsIp6 87 217.196.96.130, 49775, 49799, 49800 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 14->87 89 104.21.8.64, 49723, 49725, 49738 CLOUDFLARENETUS United States 14->89 91 astrolco.fun 172.67.138.159, 49713, 49714, 49715 CLOUDFLARENETUS United States 14->91 81 C:\Users\user\AppData\...\tnovpohrxclojll.exe, PE32 14->81 dropped 83 C:\Users\user\AppData\...\avufdhjaloxhauc.exe, MS-DOS 14->83 dropped 93 Found many strings related to Crypto-Wallets (likely being stolen) 14->93 95 Tries to harvest and steal browser information (history, passwords, etc) 14->95 21 avufdhjaloxhauc.exe 4 14->21         started        25 tnovpohrxclojll.exe 8 14->25         started        97 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 19->97 file7 signatures8 process9 file10 67 C:\ProgramData\Roaming\O.exe, MS-DOS 21->67 dropped 119 Antivirus detection for dropped file 21->119 121 Multi AV Scanner detection for dropped file 21->121 123 Detected unpacking (changes PE section rights) 21->123 127 4 other signatures 21->127 27 cmd.exe 21->27         started        69 C:\Users\user\AppData\Local\Temp\...\7z.exe, PE32+ 25->69 dropped 71 C:\Users\user\AppData\Local\Temp\...\7z.dll, PE32+ 25->71 dropped 125 Contains functionality to register a low level keyboard hook 25->125 30 cmd.exe 2 25->30         started        signatures11 process12 signatures13 139 Encrypted powershell cmdline option found 27->139 141 Uses schtasks.exe or at.exe to add and modify task schedules 27->141 32 O.exe 27->32         started        35 conhost.exe 27->35         started        37 timeout.exe 27->37         started        39 fi932gbf8923f23.exe 30->39         started        43 7z.exe 30->43         started        45 7z.exe 3 30->45         started        47 13 other processes 30->47 process14 dnsIp15 99 Antivirus detection for dropped file 32->99 101 Multi AV Scanner detection for dropped file 32->101 103 Detected unpacking (changes PE section rights) 32->103 107 5 other signatures 32->107 85 pastebin.com 104.20.68.143, 443, 49792 CLOUDFLARENETUS United States 39->85 73 C:\ProgramData\Dllhost\winlogson.exe, PE32+ 39->73 dropped 75 C:\ProgramData\Dllhost\WinRing0x64.sys, PE32+ 39->75 dropped 77 C:\ProgramData\HostData\logs.uce, ASCII 39->77 dropped 105 Sample is not signed and drops a device driver 39->105 49 cmd.exe 39->49         started        52 cmd.exe 39->52         started        54 cmd.exe 39->54         started        79 C:\Users\user\AppData\...\fi932gbf8923f23.exe, PE32 43->79 dropped file16 signatures17 process18 signatures19 109 Encrypted powershell cmdline option found 49->109 56 powershell.exe 49->56         started        59 conhost.exe 49->59         started        61 conhost.exe 52->61         started        63 schtasks.exe 52->63         started        65 conhost.exe 54->65         started        process20 signatures21 129 Potential dropper URLs found in powershell memory 56->129
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/845b3e0ef3bf0235321063d4ffbd013212abcaa9b4104eae1706902214c38e00/
Threat name:
Win32.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2023-09-15 10:59:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qrnt4dxtx4bdkmqqmpkp7pibgijkxsvjwqie5lqxa2icefgdryaa._file
Verdict:
malicious
Similar samples:
2767d4128fc88d587b6681fcff44a8694833e95da510eca60750540e42f2e418
LummaStealer
35b70fc462fe02d507a58c2b5a33ddd5e26aadc7ac8fe3beae2a82666c8b17c6
LummaStealer
4420d56e7d9699dc1962cb5504cd177d428aa1e2bfb96a77dfa455947d712cfe
LummaStealer
4c5c389d0f6cbdaf6fd89585559d71a37e061e7678aa1a5391d82657f8890569
LummaStealer
7ca339f9bf73ef302951d7ea7ef6089ab670c82e98837b8c684a2591c611b6fd
LummaStealer
86f5b4f32c68f9337a19363da77d77b6275923da37d2e4144b8f0740620fd3ac
LummaStealer
ac660e725f1484dfe6b6d4f8606a4711fd9354c2bf8d5d4f63bad03c39849894
LummaStealer
ae68aa627df4a3fd10e5416195e29203ea60227560f3e1de22fb907e86c369ad
LummaStealer
cdffe175d69a7b4c7fb9e7fa2aef3f266ce8af7d03d3859ec5b3f82cb72c9797
LummaStealer
f254c70897861c9c488c1dabcc8413f262f8a12ccaa394b3db36a17d41234f94
LummaStealer
+ 386 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/230915-m3efxsdh82/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
bfa12a2456d40d6c32a1f4e35bd43c81f6f67466234faed8fec19397d0e6d808
MD5 hash:
7a7927bac28be846b2fd2a5d10ba0676
SHA1 hash:
67a7b8616fc8e7aa7bb7a6e2521548e67a7caa2d
Link:
https://www.unpac.me/results/973e225e-a452-405e-a6e5-f49628a6c7ec/
Parent samples :
fb110b1db7c02725d6cb0953cf153a2b5e158d358db136aece90ac06d79cb07d
80dd6d009a2b7ab7aa393d063048320db5ea3920a4fd9cca4a0a76f12183273f
SH256 hash:
644b0eb4d996d6c2a84bed8881921e025db4a853c2c7d5d738527ce8d8a1c514
MD5 hash:
b7e965b48fc9480a5e4bbd113b8420c1
SHA1 hash:
4c39d2e2cd9719f6958eb8f1178de96b6cefad24
Link:
https://www.unpac.me/results/973e225e-a452-405e-a6e5-f49628a6c7ec/
SH256 hash:
845b3e0ef3bf0235321063d4ffbd013212abcaa9b4104eae1706902214c38e00
MD5 hash:
f8fcbb9dc832d62a75f5b3cf59015b05
SHA1 hash:
ad0b9d464c0ce04b7dabfb1104df10ae241b104b
Link:
https://www.unpac.me/results/973e225e-a452-405e-a6e5-f49628a6c7ec/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/845b3e0ef3bf/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/845b3e0ef3bf0235321063d4ffbd013212abcaa9b4104eae1706902214c38e00

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:INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
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: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
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_lumma_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.lumma.

File information

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

Web download

LummaStealer

Executable exe 845b3e0ef3bf0235321063d4ffbd013212abcaa9b4104eae1706902214c38e00

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2711877/
Cape
Cape
https://www.capesandbox.com/analysis/448819/

Comments


Avatar
zbet commented on 2023-09-15 10:58:56 UTC

url : hxxp://94.142.138.20/version_s/upd.exe