MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a8f4a186abf2623926fd6e7e43d4a4109e2926168ecea8421b59181c65c47f5. 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


Threat unknown


Vendor detections: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a8f4a186abf2623926fd6e7e43d4a4109e2926168ecea8421b59181c65c47f5
SHA3-384 hash: 045896517c9e83f7b9faf081308fcb6461e472536adce870c788e2bcb287df4c976b5a5f8e0f22af1aaa6609ac0e574e
SHA1 hash: 921d505f17bebe8daf84e794fcc094c0ed9ee4eb
MD5 hash: 13ac6708d426ae10fa6666e521ec6339
humanhash: five-california-west-paris
File name:13ac6708d426ae10fa6666e521ec6339.exe
Download: download sample
File size:26'112 bytes
First seen:2025-02-01 15:34:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b7fe88208b74ad91d78969d1856a5ea2
ssdeep 384:BRD6aeNHeZEhb1dYucjMzxo6gfhUdwv/ljLtwJ9SJaOsPDhxWBtIzMKQ6PWL3U:BRmaeg64uKMzxojVWOJaOIfD0
TLSH T18BC2755FE3A226E8E8B5E935CCB2662EBCF57414433016AF86B046175E752E0E43CF41
TrID 38.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.6% (.ICL) Windows Icons Library (generic) (2059/9)
15.4% (.EXE) OS/2 Executable (generic) (2029/13)
15.2% (.EXE) Generic Win/DOS Executable (2002/3)
15.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
415
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
Bitcoin Injector v1.3.exe
Verdict:
Malicious activity
Analysis date:
2025-02-01 04:06:21 UTC
Tags:
payload stealer redline crypto-regex
Link:
https://app.any.run/tasks/572bed29-5043-4c12-9257-99ab439ed7a9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Trojan.Ulise-10037990-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679e3f4ca9881a7a01c4e660
Tags:
ransomware dropper emotet remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Launching a process
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Searching for synchronization primitives
Creating a window
Reading critical registry keys
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Connection attempt to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Sending an HTTP POST request to an infection source
Enabling a "Do not show hidden files" option
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug anti-vm explorer hacktool lolbin microsoft_visual_cc msiexec packed
Link:
https://www.filescan.io/uploads/679e3f4b1b148287dc1e70e9/reports/7f5a5d1f-344c-4379-955e-ebd58ef38fcd/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/4a8f4a186abf2623926fd6e7e43d4a4109e2926168ecea8421b59181c65c47f5
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:
Unknown
Link:
https://analyze.intezer.com/analyses/b274183e-b1c4-4361-9fb6-78affdacc7df
Result
Threat name:
MicroClip
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1604504
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Benign windows process drops PE files
Changes memory attributes in foreign processes to executable or writable
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Creates multiple autostart registry keys
Found API chain indicative of debugger detection
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking mutex)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: New RUN Key Pointing to Suspicious Folder
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected MicroClip
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1604504 Sample: OxlsUGkGnb.exe Startdate: 01/02/2025 Architecture: WINDOWS Score: 100 104 Suricata IDS alerts for network traffic 2->104 106 Malicious sample detected (through community Yara rule) 2->106 108 Antivirus detection for URL or domain 2->108 110 9 other signatures 2->110 9 OxlsUGkGnb.exe 1 9 2->9         started        process3 dnsIp4 86 176.113.115.149, 49731, 49748, 49753 SELECTELRU Russian Federation 9->86 76 C:\Users\user\...\78E2FDCC7AA01546086603.exe, PE32+ 9->76 dropped 78 78E2FDCC7AA0154608...exe:Zone.Identifier, ASCII 9->78 dropped 136 Found evasive API chain (may stop execution after checking mutex) 9->136 138 Changes memory attributes in foreign processes to executable or writable 9->138 140 Found API chain indicative of debugger detection 9->140 142 12 other signatures 9->142 14 explorer.exe 51 8 9->14 injected 18 msiexec.exe 7 9->18         started        20 temp_4125.exe 9->20         started        file5 signatures6 process7 file8 80 C:\Users\user\AppData\...\4A2C.tmp.svc.exe, PE32+ 14->80 dropped 82 C:\Users\user\AppData\...\41FD.tmp.zx.exe, PE32+ 14->82 dropped 144 System process connects to network (likely due to code injection or exploit) 14->144 146 Benign windows process drops PE files 14->146 148 Creates multiple autostart registry keys 14->148 150 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->150 22 4A2C.tmp.svc.exe 73 14->22         started        27 78E2FDCC7AA01546086603.exe 9 14->27         started        29 78E2FDCC7AA01546086603.exe 9 14->29         started        31 3 other processes 14->31 152 Found evasive API chain (may stop execution after checking mutex) 18->152 154 Changes the view of files in windows explorer (hidden files and folders) 18->154 156 Found API chain indicative of debugger detection 18->156 158 5 other signatures 18->158 signatures9 process10 dnsIp11 84 185.81.68.156, 49856, 80 KLNOPT-ASFI Finland 22->84 60 C:\Users\user\AppData\Local\...\temp_4145.exe, PE32+ 22->60 dropped 62 C:\Users\user\AppData\Local\...\temp_4141.exe, PE32 22->62 dropped 64 C:\Users\user\AppData\Local\...\temp_4125.exe, PE32+ 22->64 dropped 72 3 other malicious files 22->72 dropped 112 Multi AV Scanner detection for dropped file 22->112 114 Machine Learning detection for dropped file 22->114 116 Tries to harvest and steal browser information (history, passwords, etc) 22->116 118 Tries to steal Crypto Currency Wallets 22->118 33 temp_4145.exe 22->33         started        36 temp_4125.exe 22->36         started        39 temp_4141.exe 22->39         started        120 Found evasive API chain (may stop execution after checking mutex) 27->120 122 Changes memory attributes in foreign processes to executable or writable 27->122 124 Found API chain indicative of debugger detection 27->124 134 5 other signatures 27->134 41 msiexec.exe 6 27->41         started        126 Injects code into the Windows Explorer (explorer.exe) 29->126 128 Writes to foreign memory regions 29->128 130 Allocates memory in foreign processes 29->130 132 Found direct / indirect Syscall (likely to bypass EDR) 29->132 43 msiexec.exe 29->43         started        66 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 31->66 dropped 68 C:\Users\user\AppData\Local\...\ucrtbase.dll, PE32+ 31->68 dropped 70 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 31->70 dropped 74 47 other files (7 malicious) 31->74 dropped 45 41FD.tmp.zx.exe 31->45         started        file12 signatures13 process14 file15 88 Changes memory attributes in foreign processes to executable or writable 33->88 90 Injects code into the Windows Explorer (explorer.exe) 33->90 92 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 33->92 102 4 other signatures 33->102 47 msiexec.exe 33->47         started        50 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 36->50 dropped 52 C:\Users\user\AppData\Local\...\ucrtbase.dll, PE32+ 36->52 dropped 54 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 36->54 dropped 58 47 other files (7 malicious) 36->58 dropped 56 C:\ProgramData\Winsrv\winsvc.exe, PE32 39->56 dropped 94 Creates multiple autostart registry keys 39->94 96 Writes to foreign memory regions 41->96 98 Creates a thread in another existing process (thread injection) 41->98 100 Injects a PE file into a foreign processes 41->100 signatures16 process17 signatures18 160 Injects code into the Windows Explorer (explorer.exe) 47->160 162 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 47->162 164 Writes to foreign memory regions 47->164 166 2 other signatures 47->166
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4a8f4a186abf2623926fd6e7e43d4a4109e2926168ecea8421b59181c65c47f5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a8f4a186abf2623926fd6e7e43d4a4109e2926168ecea8421b59181c65c47f5/
Threat name:
Win64.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2025-02-01 03:55:06 UTC
File Type:
PE+ (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jkhuugdkx4tchetp23t6ipkkiee6fetbndwovbbbwwiydrs4i72q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence pyinstaller spyware stealer
Link:
https://tria.ge/reports/250201-s1mmeazqdq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Browser Information Discovery
Detects Pyinstaller
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Blocklisted process makes network request
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Verdict:
Malicious
Tags:
Win.Trojan.Ulise-10037990-0
YARA:
n/a
Link:
https://app.threat.zone/submission/47f1bbc2-132a-40c8-9a9f-928a8b82e3c3
Unpacked files
SH256 hash:
4a8f4a186abf2623926fd6e7e43d4a4109e2926168ecea8421b59181c65c47f5
MD5 hash:
13ac6708d426ae10fa6666e521ec6339
SHA1 hash:
921d505f17bebe8daf84e794fcc094c0ed9ee4eb
Link:
https://www.unpac.me/results/72428239-c365-4949-9e76-5b7871b06a40/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4a8f4a186abf/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/4a8f4a186abf2623926fd6e7e43d4a4109e2926168ecea8421b59181c65c47f5

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:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_References_SecTools
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many IR and analysis tools
Rule name:ReflectiveLoader
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended
Reference:Internal Research
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

Executable exe 4a8f4a186abf2623926fd6e7e43d4a4109e2926168ecea8421b59181c65c47f5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3423153/
  
Delivery method
Distributed via web download

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA

Comments