MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91e5aad561d03afe6958309b8f5f372ebd32212d33a794aad9d488a8a47deea7. 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: 91e5aad561d03afe6958309b8f5f372ebd32212d33a794aad9d488a8a47deea7
SHA3-384 hash: 1dbc1776ab033f857d3783dfa1b5507e4fd6b030650c761e27a63330db503de264f839c52617a5c8224fe47db7566b5f
SHA1 hash: b9c619ba928dc9802c271336a2de47f39037846f
MD5 hash: 7996c8ee2b2388e62d2f3e25d317188f
humanhash: low-georgia-cold-rugby
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'545'759 bytes
First seen:2022-10-20 18:11:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'447 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2t8z56jpljU+vHpnpmxb2Br7z+IP/H7qntwyehhH+n8pxyMnc4fuDhlliMlJal1:Mt8FKQ+PEI/zXH7qSyCF+nAxg0Whlljy
TLSH T149C533E343DA8036E0B2C279BDB4BC7D476BF19B9D7C20B855ADA61149366E1C003F66
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 :
1
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-20 18:16:20 UTC
Tags:
installer loader evasion trojan ficker stealer opendir raccoon recordbreaker
Link:
https://app.any.run/tasks/180d0eb3-9734-4bcb-be88-2ec9d7599085

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/322101/
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
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
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/44023/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/63518f74898b0652a4b924d5/reports/2a31d686-c111-4f92-a412-851d3fe1c0a9/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/46fe866c-9e09-49ae-bccc-8208a11998ee
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1094401
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: 727039 Sample: file.exe Startdate: 20/10/2022 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-0PFTB.tmp, PE32 10->31 dropped 13 is-0PFTB.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 elsearcher54.exe 24 13->16         started        process8 dnsIp9 41 107.182.129.235, 49708, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49709, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49707, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\qq6hTHYlZQJF.exe, PE32 16->29 dropped 20 qq6hTHYlZQJF.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/91e5aad561d03afe6958309b8f5f372ebd32212d33a794aad9d488a8a47deea7/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Suspicious
First seen:
2022-10-20 21:54:03 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
17 of 42 (40.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=shs2vvlb2a5p42kygcny6xzxf26teijngotzjkwz2sekrjd552tq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221020-ws6bbsghck/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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/ef96faad-3858-42b1-ba3d-9eed99fc6fd0
Unpacked files
SH256 hash:
355a8919b9ed51a730e5a9c99d030c2f469acde0f0d99983ce3b03313c35d959
MD5 hash:
d3a1d7cf154c6f5d8df0645febffaa1a
SHA1 hash:
332bcb82e0a092013e48543e29d3d684dacc9294
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/8288c4fd-7a63-43c9-86de-9828ec040156/
SH256 hash:
4bae75e2d1dd2c8e09b5f3c5b4f2bc36ad57d47f401cbce4492edf7f3fd1daff
MD5 hash:
96ed05692ca98869ac1d9401bcfb1767
SHA1 hash:
c934464f54320c5e8c328f111e9ca5307294a0e7
Link:
https://www.unpac.me/results/8288c4fd-7a63-43c9-86de-9828ec040156/
SH256 hash:
434baaf40249bc4731be05b0842226fb2e7846b812e006f6a00a43bb1f7ecbf8
MD5 hash:
eb9ff059374c001bf7ebb0990aa98e1b
SHA1 hash:
0a247f9f34cfbb6811cb0c767cd284ca2a088332
Link:
https://www.unpac.me/results/8288c4fd-7a63-43c9-86de-9828ec040156/
SH256 hash:
91e5aad561d03afe6958309b8f5f372ebd32212d33a794aad9d488a8a47deea7
MD5 hash:
7996c8ee2b2388e62d2f3e25d317188f
SHA1 hash:
b9c619ba928dc9802c271336a2de47f39037846f
Link:
https://www.unpac.me/results/8288c4fd-7a63-43c9-86de-9828ec040156/
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/91e5aad561d03afe6958309b8f5f372ebd32212d33a794aad9d488a8a47deea7

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
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/
Cape
Cape
https://www.capesandbox.com/analysis/322101/

Comments