MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d40e885372f07f3cb35ebbc99ac3dbba5d0f34c6ad58d461dbf37505be04d67d. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d40e885372f07f3cb35ebbc99ac3dbba5d0f34c6ad58d461dbf37505be04d67d
SHA3-384 hash: c6648e237150efe8db44b280afb8c32eecd92d6ddbd38870396edecd159e80b5faf0eb39a7428e7dbd0af803729306d1
SHA1 hash: 1550f2775795e0f1eefcb431fc1651be8c17375e
MD5 hash: 0b574da38976aa6e63c774d3dd07af18
humanhash: saturn-oregon-timing-floor
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'610'276 bytes
First seen:2022-11-02 21:01:18 UTC
Last seen:2022-11-02 21:12:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'563 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2ymeb9E9Rhh6Nxil9cw7lvSK+3Um/2F496Zix1ONApK3t9+U5in8zA5hq:MGUfq2dlK3UBFC6QpKv+UwzDq
TLSH T1EBC53357C6C8D272C9F48FF419354264E3BE7902192EE13E375C95BC2B3A9C48C6D6A8
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 :
3
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-02 21:03:42 UTC
Tags:
installer loader evasion stealer trojan ficker vidar opendir
Link:
https://app.any.run/tasks/e751f308-a087-47db-9c0e-0ba43673bea8

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/327347/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.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
Searching for synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Launching a process
Forced system process termination
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
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/47558/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/6362dacbcb7e23aaca43a2d0/reports/8f8d866f-ac64-4195-a485-5d73d8552565/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.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/90a71ac0-23b4-465c-9196-1bdfbc0596ce
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1103731
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: 736388 Sample: file.exe Startdate: 02/11/2022 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-FDA2S.tmp, PE32 10->31 dropped 13 is-FDA2S.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 flsearcher67.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49701, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49702, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49700, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\03tDrVlrF.exe, PE32 16->29 dropped 20 03tDrVlrF.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/d40e885372f07f3cb35ebbc99ac3dbba5d0f34c6ad58d461dbf37505be04d67d/
Threat name:
Win32.Trojan.Cerbu
Create hunting rule
Status:
Malicious
First seen:
2022-11-02 21:02:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2qhiqu3s6b7tzm26xpezvq63xjoq6nggvvmniyo36n2qlpqe2z6q._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221102-zve4psecfj/
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/4bc3f532-b69f-4ef7-8a20-978ec7e4af0b
Unpacked files
SH256 hash:
7b859e9f678a512ff7ce42cb7a0df24a00ae42be49b74391a9aa003ce44d7f82
MD5 hash:
6cf3fef5205f36d3acf48e6df252ff25
SHA1 hash:
9506445ea717fd5224fb5f5086f05b5143241976
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/ea4e48d6-7b25-4f98-af10-6edb3e90a045/
SH256 hash:
e9eecd5d95b06b2f06ec112f76bc8f851494bc74193ea8fb43179bd63a753902
MD5 hash:
cd37fc7ed5e4bd8b8c6a6d7fe133407d
SHA1 hash:
f9575417eb69e3b96d125e3e41013dede440a524
Link:
https://www.unpac.me/results/ea4e48d6-7b25-4f98-af10-6edb3e90a045/
SH256 hash:
5f215b4ab3cdaabff5a55753012628b91a1d6fd86870534d678d479b5d982576
MD5 hash:
2d379315071126da395ca17505932117
SHA1 hash:
1597b2a504e14f97ab2f2e0ebafb7ce998451967
Link:
https://www.unpac.me/results/ea4e48d6-7b25-4f98-af10-6edb3e90a045/
SH256 hash:
d40e885372f07f3cb35ebbc99ac3dbba5d0f34c6ad58d461dbf37505be04d67d
MD5 hash:
0b574da38976aa6e63c774d3dd07af18
SHA1 hash:
1550f2775795e0f1eefcb431fc1651be8c17375e
Link:
https://www.unpac.me/results/ea4e48d6-7b25-4f98-af10-6edb3e90a045/
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/d40e885372f07f3cb35ebbc99ac3dbba5d0f34c6ad58d461dbf37505be04d67d

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/327347/

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