MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac4e985b34d784c983669f7dba6018048d35a156627dade5c1440167d5adc5ca. 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


GCleaner


Vendor detections: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac4e985b34d784c983669f7dba6018048d35a156627dade5c1440167d5adc5ca
SHA3-384 hash: 812dcdc3b16b5909eb42e12aa5d9b921e845f8afc51098dfa173eb95425cfc3b46cf77928d2ba488af66391792b0e1bb
SHA1 hash: 7857266e43f3d7843c4a70f8817ebd873049f247
MD5 hash: e74f77626d857bc78ed253336e06f5f3
humanhash: mobile-september-blue-mountain
File name:univ.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:306'688 bytes
First seen:2024-09-06 14:24:12 UTC
Last seen:2024-09-06 15:40:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4466917f30d072b6b108006d1bc57b5b (1 x GCleaner, 1 x Tofsee)
ssdeep 6144:2XDogmKcmq3zvmPG0XrWdhb3dLlpgJOX/MN60Vdh1HQ:2TorDmq3zOPzXriTd3rM3Vdz
TLSH T15064AD18B6B79026EEA7C734197386B50977BC126A7552BF3260372F2E732D34A21713
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) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 9204ecc8d4e87112 (1 x GCleaner)
Reporter Anonymous
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
2
# of downloads :
381
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
univ.exe
Verdict:
Malicious activity
Analysis date:
2024-09-06 14:32:59 UTC
Tags:
gcleaner loader
Link:
https://app.any.run/tasks/2e772f61-0df1-4f15-9a5c-aade7f5474cf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.BotX-gen.7262.27033.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66db10c18e12b8124ac96113
Tags:
Infostealer Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a file
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Using the Windows Management Instrumentation requests
Connection attempt to an infection source
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66db10cae19c06a3e6920b24/reports/ee7c130e-50d1-4fb1-b382-be4b811f96ef/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/ac4e985b34d784c983669f7dba6018048d35a156627dade5c1440167d5adc5ca
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ce418508-dc51-4464-b4b7-ec89b6fbbda9
Result
Threat name:
GCleaner, Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1505672
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected GCleaner
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ac4e985b34d784c983669f7dba6018048d35a156627dade5c1440167d5adc5ca
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac4e985b34d784c983669f7dba6018048d35a156627dade5c1440167d5adc5ca/
Threat name:
Win32.Ransomware.GandCrab
Create hunting rule
Status:
Malicious
First seen:
2024-09-06 14:25:04 UTC
File Type:
PE (Exe)
Extracted files:
50
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vrhjqwzu26cmta3gt563uyayasgtlikwmj623zobiqawpvnnyxfa._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/240906-rq95aa1crn/
Behaviour
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Program crash
Checks computer location settings
Deletes itself
Loads dropped DLL
Downloads MZ/PE file
GCleaner
Malware Config
C2 Extraction:
80.66.75.114
45.91.200.135
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/123b85f6-4b57-4f06-8786-66ed61c9ae74
Unpacked files
SH256 hash:
ef4fb74d4101f4f3af9c9bb20144a64aac4f7d801a7cedb62f64f620333faa13
MD5 hash:
5085491fcf5c437e45394ddd29a77956
SHA1 hash:
f2476c2e08d3c665d18378c703bf020561b931e7
Detections:
GCleaner
Create hunting rule
Link:
https://www.unpac.me/results/c6f4dc31-2bbc-4b60-93e1-ac00762a1a11/
Parent samples :
ac4e985b34d784c983669f7dba6018048d35a156627dade5c1440167d5adc5ca
dd116354036dca800f4b1be5fde7e338b6d647b468323d3df828a7180e110d96
08dc5b0fb0c2646f546f0af389c3c9934995f1cf6819a05c171db3eca242554d
SH256 hash:
ac4e985b34d784c983669f7dba6018048d35a156627dade5c1440167d5adc5ca
MD5 hash:
e74f77626d857bc78ed253336e06f5f3
SHA1 hash:
7857266e43f3d7843c4a70f8817ebd873049f247
Link:
https://www.unpac.me/results/c6f4dc31-2bbc-4b60-93e1-ac00762a1a11/
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/ac4e985b34d784c983669f7dba6018048d35a156627dade5c1440167d5adc5ca

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:DebuggerHiding__Active
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.

Web download

GCleaner

Executable exe ac4e985b34d784c983669f7dba6018048d35a156627dade5c1440167d5adc5ca

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3112908/
  
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 (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::FillConsoleOutputCharacterA
KERNEL32.dll::WriteConsoleOutputW
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleMode
KERNEL32.dll::SetConsoleTitleA
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CopyFileExA
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceW

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