MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7faf2841a2756175714ee16f155669158233666b149e23b6cd2d1605685be40. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7faf2841a2756175714ee16f155669158233666b149e23b6cd2d1605685be40
SHA3-384 hash: 01d957c139037b12871994c8cf964bf5d80d366ad726cbcfa5addf50d73b83ece421c99fe243924fdee56b357d6e20fe
SHA1 hash: 5cb919b3386b7b7ca08e484542a368966602c760
MD5 hash: fead37983fc3b1f638d65d33a1126f53
humanhash: five-uranus-artist-carpet
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'058'647 bytes
First seen:2022-11-03 06:33:00 UTC
Last seen:2022-11-03 06:57:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z26vkgJEo98GjJc5OPb4CjTqDmWVUtJAt2l0rV2fHCN2r2iNCmR2vGVk2a2iKhtB:M6L8GjuITjODmWVU7AtE0h2fiN2rZCiz
TLSH T163E533055646DFF0CB22A6FA8C3FC332B1A377964478142D72CE9A495BBB2049CC97E5
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://95.214.24.96/load.php?pub=mixinte

Intelligence

File Origin
# of uploads :
9
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-03 06:34:02 UTC
Tags:
installer
Link:
https://app.any.run/tasks/f97f1434-e70e-4910-a4de-aba2af4ea8b8

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/327630/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.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
Searching for synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
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 process
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/47803/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/636360a0fe481257b8fc0034/reports/eaaf4969-ef5a-4b1c-996b-0a519461b093/overview
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:
Unknown
Link:
https://analyze.intezer.com/analyses/e8b3f0b3-6477-45e3-92ac-6ff5e643f3f7
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1104077
Signature
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)
Machine Learning detection for dropped file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 736738 Sample: file.exe Startdate: 03/11/2022 Architecture: WINDOWS Score: 100 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 5 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-JF8EH.tmp, PE32 10->31 dropped 13 is-JF8EH.tmp 16 25 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 4 other files (2 malicious) 13->39 dropped 16 fnsearcher68.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49692, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49693, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49691, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\kORTJ4dXD.exe, PE32 16->29 dropped 20 kORTJ4dXD.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 59 Multi AV Scanner detection for dropped file 20->59 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7faf2841a2756175714ee16f155669158233666b149e23b6cd2d1605685be40/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-11-03 06:33:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w75pfba2e5lbovyu5ylpcvlgsfmcgntgwfe6eo3m2liwavufxzaa._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221103-ha7jsahffm/
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
Loads dropped DLL
Executes dropped EXE
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cfcc2234-fad9-4365-a552-8b2bad242a22
Unpacked files
SH256 hash:
59476f9e16d03671365226feb06fe3e2e03866e42fadc9f005e7d421a9ef7246
MD5 hash:
c140fa9a4863caae8cd1aa96e328e95c
SHA1 hash:
ade5cc53378066a257d76c4bce426c71777d9e70
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/709fcbab-c21c-404e-b9ce-5f143da936d3/
SH256 hash:
dfc134e02b331affc24cecde8fd79376ffe4a1dfdb232a62a850c1611d934d2d
MD5 hash:
40bb3fb8a538d56a784480fc5ab790e7
SHA1 hash:
8eb7b4a178208345895271d4f99c79543bf4fa72
Link:
https://www.unpac.me/results/709fcbab-c21c-404e-b9ce-5f143da936d3/
SH256 hash:
f23c329c4fd8087de182b472b978c355f92858192de204198d326e1bfee93e44
MD5 hash:
41610ad5f8169eaea1222b82fadfd7dc
SHA1 hash:
46cbd1674c04b88b1f41cf72b1a4bc3b17f7eae4
Link:
https://www.unpac.me/results/709fcbab-c21c-404e-b9ce-5f143da936d3/
SH256 hash:
b7faf2841a2756175714ee16f155669158233666b149e23b6cd2d1605685be40
MD5 hash:
fead37983fc3b1f638d65d33a1126f53
SHA1 hash:
5cb919b3386b7b7ca08e484542a368966602c760
Link:
https://www.unpac.me/results/709fcbab-c21c-404e-b9ce-5f143da936d3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/b7faf2841a2756175714ee16f155669158233666b149e23b6cd2d1605685be40

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:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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/327630/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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