MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b11b9e834fc528b136446cf38003678b2d72f16e7eca64781ae88b45fdbd5ec. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b11b9e834fc528b136446cf38003678b2d72f16e7eca64781ae88b45fdbd5ec
SHA3-384 hash: 7f0245744f3d7cbfe81d78039c497db9ded401737d80e9252b0dbd1b52343dca4e005a85646f971caad69c4aa5a27fa0
SHA1 hash: 8a8d142b740e5c2770c4e26f241a87c3126d5eda
MD5 hash: 3afb78cf48f92bdd9b6401e60448f9a8
humanhash: edward-mexico-queen-pennsylvania
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'993'155 bytes
First seen:2023-03-26 14:03:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'455 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:EGlJfsxRu1HWDYSB35d5F1POiN2KhJ6PbX0xsySL8dy3QfwV5dlLYp:5zHWDYi5d5FZOC2Kh0PGBGUMQ4TPYp
Threatray 58 similar samples on MalwareBazaar
TLSH T19A953302C3AE7974E0F39FF07E148B00E76366974E28209E71D8DACD5E76AA2455D3C6
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
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 :
261
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-03-26 14:05:35 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/eea4b979-0847-4c79-9f4b-344f697d010d

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/377550/
Detection(s):
SecuriteInfo.com.TR.Spy.KGBSpy.1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
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
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/74981/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed packed shell32.dll
Link:
https://www.filescan.io/uploads/642050d39c109cf74b2fcd46/reports/ce54052a-8a8e-49cb-978c-4fa3aa24b158/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1332570
Link:
https://www.hybrid-analysis.com/sample/6b11b9e834fc528b136446cf38003678b2d72f16e7eca64781ae88b45fdbd5ec
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/9c861c41-eb7b-473a-b797-d0f22bdd8574
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1202158
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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: 835060 Sample: file.exe Startdate: 26/03/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 6 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-IAASR.tmp, PE32 10->31 dropped 13 is-IAASR.tmp 11 24 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 6 other files (4 malicious) 13->39 dropped 16 FRec326.exe 24 13->16         started        process8 dnsIp9 41 45.12.253.56, 49685, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49686, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49689, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\pflY6UlykDCq.exe, PE32 16->29 dropped 20 pflY6UlykDCq.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/6b11b9e834fc528b136446cf38003678b2d72f16e7eca64781ae88b45fdbd5ec/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Suspicious
First seen:
2023-03-26 14:04:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nmi3t2bu7rjiwe3ei3htqabwpcznolyw47wkmr4bv2elix632xwa._file
Verdict:
malicious
Similar samples:
665687b64c26cd4019dd0e43415dd4978c2ed59c7c897462f3cd64c4920e380b
GCleaner
72238987f1f659c6e41a74a077ea43fd07d6709be29e1f20546ba6f9ebeccc1a
GCleaner
83660b75c4e4dc6041398055ea66a6815b0b8144551aa4d45fda83c05dba9277
GCleaner
84cc827150e0aeb82f1e7b4abd98332c49b45be6ac8f4df9fbd516633c452d0f
GCleaner
8a58ec8781e8b2835a2d33a6a4412b4ce0674be037eba31a55c8cefe56c903c1
GCleaner
a41e45e14795bb60ef20aa47780ddd8cdc491e7e23c16594a7af91c4f3e817cd
GCleaner
db1800a95c8908bb39c03543f8ee553b838df5065c1195447f82c8305e1754c3
GCleaner
f9757bc4b64757aade6871dbdcb59d64ad51a7dee7f30834e27c6bda5f3b201a
GCleaner
+ 48 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230326-rc9llagg47/
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:
592134b0bdd8d504b7626f4586bca17335b7d7392e6a8908996a3c702cc1c899
MD5 hash:
0d8b7a37c3273890b6cfdca5640262c7
SHA1 hash:
fc33e138f65546cbdce3b55272e7a8ffb0a0ffc1
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/b2e2f12a-a6dc-44eb-8620-6cfd00bb423b/
SH256 hash:
f8470d9ab9d0a54e2019779f8f53b74987bdc58a2909be8739b6ef760a39f364
MD5 hash:
c5b7c71425cebb06a6d6b83a63194567
SHA1 hash:
cb697898f5676822db6c6c4dcb8943b692623c9f
Link:
https://www.unpac.me/results/b2e2f12a-a6dc-44eb-8620-6cfd00bb423b/
SH256 hash:
6b11b9e834fc528b136446cf38003678b2d72f16e7eca64781ae88b45fdbd5ec
MD5 hash:
3afb78cf48f92bdd9b6401e60448f9a8
SHA1 hash:
8a8d142b740e5c2770c4e26f241a87c3126d5eda
Link:
https://www.unpac.me/results/b2e2f12a-a6dc-44eb-8620-6cfd00bb423b/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6b11b9e834fc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/6b11b9e834fc528b136446cf38003678b2d72f16e7eca64781ae88b45fdbd5ec

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/377550/

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