MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e28a1b0db19d88ca04550ce4f2f0f82136bd4f591c134217c4adadc9253dc8bf. 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: e28a1b0db19d88ca04550ce4f2f0f82136bd4f591c134217c4adadc9253dc8bf
SHA3-384 hash: 0feca400980bdf6b536133dff7a045b5aefe2858522fb45b361f341f300b9c6a8f3d2fe3ccbae20b77858e03ebc25b2d
SHA1 hash: 24b669c0d287fdbe27a2729230696fac78c84ae9
MD5 hash: a7113d8fd7945ee037a8349826e1001b
humanhash: bacon-illinois-sink-illinois
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'433'311 bytes
First seen:2023-06-15 05:39:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 80417b621299e3e1de617305557a3c68 (48 x GCleaner, 44 x Backdoor.TeamViewer, 31 x Socks5Systemz)
ssdeep 49152:46drPjzfgbJvTmjRi4ffbGW5vcsp5HHTrtvMdW12X5DPeqnwDOZ:Xd/zfgbxTYRdffbGWlck5H3tvWDPehD8
Threatray 15 similar samples on MalwareBazaar
TLSH T102B53393EF9404A0DC07E6B2243315344F293C36457D406D6AAEB4AD9F7B2D6C93AB4B
TrID 80.3% (.EXE) Inno Setup installer (109740/4/30)
10.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
1.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 01f8c0e8e8bcfc00 (25 x GCleaner)
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 :
282
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-15 05:40:49 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/322b4ab4-cfd5-424a-a7f5-37098906773a

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/399011/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader25.56768.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
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 %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/90793/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
gcleaner greyware installer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/648aa43340b26d42ee559763/reports/18c5e545-6233-4d4b-8912-90ad1185a1ac/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1332256
Link:
https://www.hybrid-analysis.com/sample/e28a1b0db19d88ca04550ce4f2f0f82136bd4f591c134217c4adadc9253dc8bf
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/05fbcea0-12f0-40c7-8c57-dcad4ddcb535
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1255026
Signature
Antivirus / Scanner detection for submitted sample
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
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 888046 Sample: file.exe Startdate: 15/06/2023 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-J857M.tmp, PE32 10->31 dropped 13 is-J857M.tmp 10 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:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 13->37 dropped 39 6 other files (5 malicious) 13->39 dropped 16 Rec615.exe 20 13->16         started        process8 dnsIp9 41 45.12.253.56, 49698, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49699, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49700, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\Roaming\...\vT78COB.exe, PE32 16->29 dropped 20 vT78COB.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/e28a1b0db19d88ca04550ce4f2f0f82136bd4f591c134217c4adadc9253dc8bf/
Threat name:
Win32.Trojan.Gcleaner
Create hunting rule
Status:
Suspicious
First seen:
2023-06-15 05:40:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4kfbwdnrtwemubcvbtspf4hyee3l2t2zdqjuef6evww4sjj5zc7q._file
Verdict:
malicious
Similar samples:
148b786875a522315116536e6cb4c3564e7e631c44f401a2ac51ac4ee45ded1d
GCleaner
235df791ae7391e3d73a6b64cacb1b15ed8e6e6f22bbfe50f91f13d5ebc84f6b
GCleaner
2507ed3ba3db274213ed6f01d08da0d9db77b3b83a522999f3dd6912af282853
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3507d763b8c34c9072059eb85e8f64004e44d6bc5527dd67ab8d1d42f97f1d62
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3e5fb4a0ef4bee88851f16244611c26c1300078f1771b7048310c3b25c97df39
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44d1cc17f18fe0cc939e3283f69f5271d50e4e5bfb3987f34ff2eefab271fd86
GCleaner
7b4daf50ce63113ae3c210306e044965265e4774b639539968978ccdcaa992c5
GCleaner
9bd63ebc98e80be154e87035bbe6675b6ea1a720d3465173802b26d521efa15e
GCleaner
c3c372d8f8bb81cf47aa95b668db4ec994acb075a3f6c5b1d2ec04593dc05442
GCleaner
d3b321e579b681f27358a5f6d07bd2f3fa39b10a33ad78f5cc53f22cf34c3e1b
GCleaner
+ 5 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230615-gcvgkaeg6y/
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:
208a7637508fa20a8fe538a9c95e2f48bfb201a703b7c8614ab7f8563a6fd29a
MD5 hash:
8f062ca319825885dfdb8b0ab94adaef
SHA1 hash:
d34def8da4c9c49bac94a562e580cdc768bc4046
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/0fc783dd-5653-4597-adf4-78a2ed86f91a/
SH256 hash:
fbc7f0ef7c3e1b9768c9b4eb3cc52e90b9151745581a1afb7ddeef9026072e09
MD5 hash:
74827afbe9b70bb68b2ac2e81ee27872
SHA1 hash:
40ab310c1b8f8942e61c29879ba37f2239218976
Link:
https://www.unpac.me/results/0fc783dd-5653-4597-adf4-78a2ed86f91a/
SH256 hash:
b767035092bbee2b1f0b05015a3eb9b02701046da89372c1480cfd2a6e66ea69
MD5 hash:
433db239e8ec8108ecb3980dbe2084fd
SHA1 hash:
10bc609065fff475a19e93f54cc35c84a99fc5b2
Link:
https://www.unpac.me/results/0fc783dd-5653-4597-adf4-78a2ed86f91a/
SH256 hash:
e28a1b0db19d88ca04550ce4f2f0f82136bd4f591c134217c4adadc9253dc8bf
MD5 hash:
a7113d8fd7945ee037a8349826e1001b
SHA1 hash:
24b669c0d287fdbe27a2729230696fac78c84ae9
Link:
https://www.unpac.me/results/0fc783dd-5653-4597-adf4-78a2ed86f91a/
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/e28a1b0db19d88ca04550ce4f2f0f82136bd4f591c134217c4adadc9253dc8bf

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
Cape
Cape
https://www.capesandbox.com/analysis/399011/

Comments