MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4626be711dccb87a5b4e136e17e2887eadcc44c5ed201c5d1e621d7e2cfaf530. 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


Stealc


Vendor detections: 14


Intelligence 14 IOCs 1 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4626be711dccb87a5b4e136e17e2887eadcc44c5ed201c5d1e621d7e2cfaf530
SHA3-384 hash: ae4d16bff1ee8e8cb7417f94fbff5b10001521e09757e9e5045289403bf1814a44947a7d41410291e808aa169b89f2c2
SHA1 hash: c701575fe0a5fba3a1293dc67aed6ce998085b00
MD5 hash: 333510272a479ebc22c3f1e585397c46
humanhash: romeo-johnny-juliet-aspen
File name:333510272a479ebc22c3f1e585397c46.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:5'202'336 bytes
First seen:2024-08-10 12:10:05 UTC
Last seen:2024-08-10 12:19:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 82a1160ea6d4db9ad17aacb065a21868 (3 x PrivateLoader, 2 x Stealc, 1 x Stop)
ssdeep 98304:OmltaEAw2K7KhZn70RjVdCbYiIsGlGyTnll7:OmlOKYn70BVdrVsGvlt
TLSH T1AB3622C67481C6FDD006CBB0C45190BC70AB3FB69C788C5676897A07ADB38146EBAF56
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon fcc4d4d49464cc9d (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://109.107.187.5/f0e4e4e04df8be83.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://109.107.187.5/f0e4e4e04df8be83.php https://threatfox.abuse.ch/ioc/1308334/

Intelligence

File Origin
# of uploads :
2
# of downloads :
420
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
333510272a479ebc22c3f1e585397c46.exe
Verdict:
Malicious activity
Analysis date:
2024-08-10 12:10:58 UTC
Tags:
privateloader evasion
Link:
https://app.any.run/tasks/58f18784-2da3-4111-8b8e-2f961c7d039c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Siggen29.14508.24114.4932.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b758d8b35234d5cc65c527
Tags:
Encryption Malware
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/66b758dab1392db6bab1e7f9/reports/f0624b52-5e5e-46f8-8158-e2b180056b65/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4626be711dccb87a5b4e136e17e2887eadcc44c5ed201c5d1e621d7e2cfaf530
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/dd47540d-8a1c-47ea-8359-43491fcb966f
Result
Threat name:
LummaC, Go Injector, LummaC Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1490990
Signature
Adds extensions / path to Windows Defender exclusion list (Registry)
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Disable Windows Defender real time protection (registry)
Disables Windows Defender (deletes autostart)
Drops PE files to the document folder of the user
Exclude list of file types from scheduled, custom, and real-time scanning
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Injects a PE file into a foreign processes
LummaC encrypted strings found
Modifies Group Policy settings
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Sample uses string decryption to hide its real strings
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected Go Injector
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1490990 Sample: 5zFCjSBLvw.exe Startdate: 10/08/2024 Architecture: WINDOWS Score: 100 32 writerospzm.shop 2->32 34 quialitsuzoxm.shop 2->34 36 12 other IPs or domains 2->36 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 Antivirus detection for URL or domain 2->50 52 6 other signatures 2->52 8 5zFCjSBLvw.exe 12 19 2->8         started        signatures3 process4 dnsIp5 38 185.225.200.214, 49731, 80 PLUSTELECOM-ASRU Russian Federation 8->38 40 ipinfo.io 34.117.59.81, 443, 49733 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 8->40 42 4 other IPs or domains 8->42 20 C:\Users\...\AGQ5MQ0EWYm70hPYVVyzeHDX.exe, PE32+ 8->20 dropped 22 C:\Users\...\66b74f08ada90_shapr3D[1].exe, PE32+ 8->22 dropped 24 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 8->24 dropped 54 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 8->54 56 Drops PE files to the document folder of the user 8->56 58 Disables Windows Defender (deletes autostart) 8->58 60 6 other signatures 8->60 13 AGQ5MQ0EWYm70hPYVVyzeHDX.exe 9 8->13         started        file6 signatures7 process8 signatures9 62 Writes to foreign memory regions 13->62 64 Allocates memory in foreign processes 13->64 66 Injects a PE file into a foreign processes 13->66 68 LummaC encrypted strings found 13->68 16 BitLockerToGo.exe 13->16         started        process10 dnsIp11 26 writerospzm.shop 104.21.16.74 CLOUDFLARENETUS United States 16->26 28 celebratioopz.shop 104.21.47.141 CLOUDFLARENETUS United States 16->28 30 7 other IPs or domains 16->30 44 Found evasive API chain (may stop execution after checking mutex) 16->44 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4626be711dccb87a5b4e136e17e2887eadcc44c5ed201c5d1e621d7e2cfaf530
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4626be711dccb87a5b4e136e17e2887eadcc44c5ed201c5d1e621d7e2cfaf530/
Threat name:
Win64.Trojan.PrivateLoader
Create hunting rule
Status:
Malicious
First seen:
2024-08-05 07:36:55 UTC
File Type:
PE+ (Exe)
Extracted files:
12
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iytl44i5zs4huw2ocnxbpyuip2w4yrgf5uqbyxi6miox4lh26uya._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion
Link:
https://tria.ge/reports/240810-pck7wsshjd/
Behaviour
Suspicious behavior: EnumeratesProcesses
Drops file in System32 directory
Looks up external IP address via web service
Modifies firewall policy service
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2dca5c2f-eb18-419e-adb1-2f5e91cb58b5
Unpacked files
SH256 hash:
4626be711dccb87a5b4e136e17e2887eadcc44c5ed201c5d1e621d7e2cfaf530
MD5 hash:
333510272a479ebc22c3f1e585397c46
SHA1 hash:
c701575fe0a5fba3a1293dc67aed6ce998085b00
Link:
https://www.unpac.me/results/d0cf0939-c071-4326-8d5c-9c670e3f213e/
Malware family:
Lumma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4626be711dcc/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/4626be711dccb87a5b4e136e17e2887eadcc44c5ed201c5d1e621d7e2cfaf530

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Create hunting rule

File information

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

Stealc

Executable exe 4626be711dccb87a5b4e136e17e2887eadcc44c5ed201c5d1e621d7e2cfaf530

(this sample)

LummaStealer

Executable exe 24b5de5dff6997d0dc7e1f400e61bcb4bd6806eadbaa2367d62cddf82a2dedfc

  
Dropping
SHA256 24b5de5dff6997d0dc7e1f400e61bcb4bd6806eadbaa2367d62cddf82a2dedfc
  
Dropping
MD5 c6c962e94a63d9b7d0b127081be53aff

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 (NX_COMPAT)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CoInitializeSecurity
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegSetValueExA

Comments