MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b891db57a899d19ffd793b3d50cc61b0e9eeb66da60842778ae0063acaac960. 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: 16


Intelligence 16 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b891db57a899d19ffd793b3d50cc61b0e9eeb66da60842778ae0063acaac960
SHA3-384 hash: 592b4300ad9d788889254f45330c8308209b40452016d9f331051f8664549b8d7abb9209646a5fc064380a4f08350ebb
SHA1 hash: d8e62b764c612479f77d573e6b53c0e993a379dd
MD5 hash: 6ae2eb12e7cde4f4a68772e02006271c
humanhash: butter-aspen-alpha-bravo
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'498'688 bytes
First seen:2022-10-21 21:01:16 UTC
Last seen:2022-10-21 21:28:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2TMUmvi5cxt/TMhfBJE29agoXD1Ix4o5ePsL6I1WmewaMdqUmdguA5hq:MgUmCcxrXT6C6ePsLF1OHUmdgNDq
TLSH T131C53351CB936C72F63189F55C6EEB6CE9A33F9928366E0476FD214B1F2A181710E350
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 :
10
# of downloads :
330
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-21 21:02:02 UTC
Tags:
installer loader evasion trojan ficker stealer vidar opendir
Link:
https://app.any.run/tasks/835c4ac4-f29a-4328-b0e1-be10c3f43f2d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/322409/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Creating a file
Moving a recently created file
Modifying a system file
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 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
Creating a file in the %temp% subdirectories
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/44218/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/635308cb339362a6061b3a27/reports/00e50bd2-5e03-403f-a71c-d93215c38a1a/overview
Result
Verdict:
SUSPICIOUS
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/2d4d19e8-f408-4724-b8ce-d05aa3897ee3
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1095179
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 dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 727820 Sample: file.exe Startdate: 21/10/2022 Architecture: WINDOWS Score: 88 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Antivirus detection for URL or domain 2->51 53 Detected unpacking (changes PE section rights) 2->53 55 Detected unpacking (overwrites its own PE header) 2->55 57 3 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-686CT.tmp, PE32 10->31 dropped 13 is-686CT.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 ensearcher55.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49703, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49704, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49700, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\byAr5GA201B.exe, PE32 16->29 dropped 20 byAr5GA201B.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/4b891db57a899d19ffd793b3d50cc61b0e9eeb66da60842778ae0063acaac960/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-21 21:15:47 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=joer3nl2rgort76xsoz5kdggdmhj523g3jqiij3yvyaghlfkzfqa._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221021-zve4psfea7/
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/a06da1af-d825-4020-99f4-0096ac002c9b
Unpacked files
SH256 hash:
86e8d32795bb51e9f9715901309cbc3bd5a229ab1561e34396160dd156775a1d
MD5 hash:
5e2770d888be85aef355a0a40982800d
SHA1 hash:
d0e783c6dc88727a9dc95c4e6d7e9d45f921450c
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/d56f3ba2-2cee-49ff-a251-d1ee048c5684/
SH256 hash:
002381bbfbbd1722e0c5d65a0b221fb03e34d359e9f7908c33ee3399d1d75c7b
MD5 hash:
b6d69e32b7fbc84fdec8445014b4e45f
SHA1 hash:
d29fbdca15cb7db1bc97b16dc9eed830fed6fe2c
Link:
https://www.unpac.me/results/d56f3ba2-2cee-49ff-a251-d1ee048c5684/
SH256 hash:
4b891db57a899d19ffd793b3d50cc61b0e9eeb66da60842778ae0063acaac960
MD5 hash:
6ae2eb12e7cde4f4a68772e02006271c
SHA1 hash:
d8e62b764c612479f77d573e6b53c0e993a379dd
Link:
https://www.unpac.me/results/d56f3ba2-2cee-49ff-a251-d1ee048c5684/
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/4b891db57a899d19ffd793b3d50cc61b0e9eeb66da60842778ae0063acaac960

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/322409/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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