MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efe051a8858b687bd2250f13a749c8ec8e44a9b22d160f733f6d41a8d60e0df6. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efe051a8858b687bd2250f13a749c8ec8e44a9b22d160f733f6d41a8d60e0df6
SHA3-384 hash: 61f001e7926fd9946fd2b505f3993b5b8784d1c329b3bcff9ab7344c764499462bc5a6b982a4e1cf0ffc878ab0cdb19b
SHA1 hash: fcedbd65cad16dc3092447a05393360059c2de51
MD5 hash: 8487627087aac71a9e82f3443319c31a
humanhash: venus-carolina-music-neptune
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'043'234 bytes
First seen:2023-05-17 10:33:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash da86ff6d22d7419ae7f10724a403dffd (1'679 x GCleaner, 1 x Socks5Systemz)
ssdeep 24576:LizLBM4+DMXh/n3siTemxvdTen2jc+Vjgm4iOWSBgsi32RLuw5AL+AxrnkzgvFiD:kLKSXhvs7+V4Q3SiqeY1NAG5cS
Threatray 3'135 similar samples on MalwareBazaar
TLSH T15F953317B4750438D170EFB7AC8BCF9BA83615F2A5A0C85BF7A4CE9EA63D0504C89724
TrID 81.0% (.EXE) Inno Setup installer (109740/4/30)
10.4% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.2% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence

File Origin
# of uploads :
1
# of downloads :
279
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-05-17 10:33:56 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/627dddf8-f8db-4873-8f59-9cd69e1c18c3

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/390665/
Detection(s):
PUA.Win.Packer.Overlay-1
Create hunting rule

SecuriteInfo.com.Win32.Malware-gen.24316.29731.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the Windows subdirectories
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed
Link:
https://www.filescan.io/uploads/6464ad9bca9bd335790021cd/reports/4cbe07be-71e6-4416-ba04-4e2090fa06a3/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/efe051a8858b687bd2250f13a749c8ec8e44a9b22d160f733f6d41a8d60e0df6
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/ef54796e-d6b9-4343-9df3-8f1c24cdc6d8
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1235135
Signature
Antivirus detection for dropped file
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 dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 868126 Sample: file.exe Startdate: 17/05/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 7 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-BS140.tmp, PE32 10->31 dropped 13 is-BS140.tmp 10 23 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\...\unins000.exe (copy), PE32 13->37 dropped 39 5 other files (4 malicious) 13->39 dropped 16 Rec517.exe 20 13->16         started        process8 dnsIp9 41 45.12.253.56, 49692, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49693, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49694, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\ZBTZci1qu.exe, PE32 16->29 dropped 20 ZBTZci1qu.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efe051a8858b687bd2250f13a749c8ec8e44a9b22d160f733f6d41a8d60e0df6/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-05-17 10:34:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=57qfdkefrnuhxurfb4j2osoi5shejknsfula64z7nva2rvqobx3a._file
Verdict:
malicious
Similar samples:
5a46d6609ab359b4acaff96176d8048cb4e31538916ae42955a8eeac30d1898d
GCleaner
5cf5738180eef57579603861d64e85be72a43add89d83e0c7185bcbca47f2e6b
GCleaner
7e44cc9fe4070a2217c5b9774206d035199f57e928ecb6b940b32e0eb4f0a512
GCleaner
83ffccb23ae448ae1199d5df4346b5532c3bab16b5006122e6d9387cb91e87eb
GCleaner
865cc90fe7438f50eadd10536f11d15055b30ef9b165fcb26a88405dfec4d510
GCleaner
88fd0a94701b9fe6d5f97030a170a72bdae6570623aad84b7fb315e6317b0401
GCleaner
96c6c5c160f3190926e58774eb84a02332a4ecd3d056580160a00b76c5b3ae88
GCleaner
b3b3b27f66aa3f05022407d9c92d756e447425c510df0c428ddbd894d3f92198
GCleaner
bf7d9b82ff0c3842fbd1dff7ffa94389d376af2b5d01ce504072f7985b556325
GCleaner
d896a70344f563564b69b669e778f5508dffe0f7f2f407095286a408d2cc7203
GCleaner
+ 3'125 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230517-mlkavaef87/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
GCleaner
Malware Config
C2 Extraction:
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Unpacked files
SH256 hash:
98cec09b54fca66a3d800899500e67c8603c4d3e26c10b54c67708c37c2bfbc7
MD5 hash:
32fbe1868ca41d944914179c2d82988c
SHA1 hash:
f1dc899c00e873e0c4adeb1ffc19228c1271f161
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/d46712b4-6242-44ca-94c0-ad74450bf24b/
SH256 hash:
ebf6649ad638beed86892117b20f2a224c7dd8d62b4e7720ebf8f360794e190f
MD5 hash:
e1ea7491d3b8ce4fa148dce7444c0d31
SHA1 hash:
6f9f59034bdee930c4207b4088bdc2698c774869
Link:
https://www.unpac.me/results/d46712b4-6242-44ca-94c0-ad74450bf24b/
SH256 hash:
08d30255ce152f03b837136686741a74e069a55d3bd309a50af5ad72180d7fb3
MD5 hash:
2c3e7a1e6c486275fd86ec3494967352
SHA1 hash:
2724ecdef6c70a54c2a98bbb12ae3a073c5ff13d
Link:
https://www.unpac.me/results/d46712b4-6242-44ca-94c0-ad74450bf24b/
SH256 hash:
efe051a8858b687bd2250f13a749c8ec8e44a9b22d160f733f6d41a8d60e0df6
MD5 hash:
8487627087aac71a9e82f3443319c31a
SHA1 hash:
fcedbd65cad16dc3092447a05393360059c2de51
Link:
https://www.unpac.me/results/d46712b4-6242-44ca-94c0-ad74450bf24b/
Malware family:
Vidar.A
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/efe051a8858b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
Cape
Cape
https://www.capesandbox.com/analysis/390665/

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