MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6d2e7eae8f6d062cd506523cab7f94fa8ceac7024c841d4be6e56be14c820c2. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6d2e7eae8f6d062cd506523cab7f94fa8ceac7024c841d4be6e56be14c820c2
SHA3-384 hash: b8d6ad91e18da4149c3559ab72d5ae7459b59bab149cd00788bf34a74b7960bee8a48a45681fc899bfadf5a0f34fe6a1
SHA1 hash: 9abc26479017fbaddbe77bc3e45c2d1904e6c9ea
MD5 hash: 1aefd3558d121b2048062d306782f6ea
humanhash: sierra-bacon-seventeen-apart
File name:1aefd3558d121b2048062d306782f6ea.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'826'209 bytes
First seen:2023-03-29 18:58:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:EGlJfs4K18hD9Di6978+MRlHSrTDEqB9tkM55dlLYp:5rKChBR978pb23N9KsPYp
TLSH T1EE853355E19180F2F9D19C7AED959A06E727B9081E3C108C36ED9F8E0B7F0968D09BD3
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 abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1aefd3558d121b2048062d306782f6ea.exe
Verdict:
Malicious activity
Analysis date:
2023-03-29 19:02:19 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/064370c3-9c36-45ab-98f6-8012a8429f57

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/378554/
Detection(s):
SecuriteInfo.com.TR.Spy.KGBSpy.1.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
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
Sending a custom TCP request
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 tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/75634/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
greyware installer overlay packed packed shell32.dll
Link:
https://www.filescan.io/uploads/64248a7884fe7631c302cf82/reports/a3bdfaa2-bde7-484a-b800-a53d43cc9e0f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b6d2e7eae8f6d062cd506523cab7f94fa8ceac7024c841d4be6e56be14c820c2
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:
Malicious
Link:
https://analyze.intezer.com/analyses/7e1cc975-e53a-4c44-895e-d8729bee26c7
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1204611
Signature
Antivirus / Scanner detection for submitted sample
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 submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 837531 Sample: QT5hFd769i.exe Startdate: 29/03/2023 Architecture: WINDOWS Score: 100 46 45.12.253.98 CMCSUS Germany 2->46 48 Snort IDS alert for network traffic 2->48 50 Antivirus detection for URL or domain 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 6 other signatures 2->54 10 QT5hFd769i.exe 2 2->10         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-4EOD0.tmp, PE32 10->30 dropped 13 is-4EOD0.tmp 11 24 10->13         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->34 dropped 36 C:\...\unins000.exe (copy), PE32 13->36 dropped 38 6 other files (4 malicious) 13->38 dropped 16 FRec329.exe 24 13->16         started        process8 dnsIp9 40 45.12.253.56, 49702, 80 CMCSUS Germany 16->40 42 45.12.253.72, 49704, 80 CMCSUS Germany 16->42 44 45.12.253.75, 49705, 80 CMCSUS Germany 16->44 28 C:\Users\user\AppData\...\t77b7gpre.exe, PE32 16->28 dropped 20 cmd.exe 1 16->20         started        22 t77b7gpre.exe 16->22         started        file10 process11 process12 24 taskkill.exe 1 20->24         started        26 conhost.exe 20->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b6d2e7eae8f6d062cd506523cab7f94fa8ceac7024c841d4be6e56be14c820c2/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Suspicious
First seen:
2023-03-29 17:09:24 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 35 (40.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w3jop2xi63igftkqmur4vn7zj6um5ldqeteedvf6nzll4fgiedba._file
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230329-xm3hxsbb6z/
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:
8b9139e80b0caaece32d6ff0663f30b0954653399d1243eb200089e794df1f26
MD5 hash:
cda39f65864bb155ae4709cee445dff7
SHA1 hash:
0947673a51b15f52128a368b7ea646e26ca50ef6
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/da21c1cc-4ee4-4e87-89f6-306d82295bd6/
SH256 hash:
c960fcba68103199bb40c4697fe1b418d8450251480cf97f057e866ecbf752d2
MD5 hash:
2e1182f7c9ddf17eb846ff8cb3246655
SHA1 hash:
9540914b0a32015ed5090fb2acdf6f14abd123b4
Link:
https://www.unpac.me/results/da21c1cc-4ee4-4e87-89f6-306d82295bd6/
SH256 hash:
b6d2e7eae8f6d062cd506523cab7f94fa8ceac7024c841d4be6e56be14c820c2
MD5 hash:
1aefd3558d121b2048062d306782f6ea
SHA1 hash:
9abc26479017fbaddbe77bc3e45c2d1904e6c9ea
Link:
https://www.unpac.me/results/da21c1cc-4ee4-4e87-89f6-306d82295bd6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/b6d2e7eae8f6d062cd506523cab7f94fa8ceac7024c841d4be6e56be14c820c2

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

GCleaner

Executable exe b6d2e7eae8f6d062cd506523cab7f94fa8ceac7024c841d4be6e56be14c820c2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/378554/

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