MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbb81f992fd7112d5077052e4a30c5afe4fe3dd45ead4ae30a00c3b6daa849ac. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dbb81f992fd7112d5077052e4a30c5afe4fe3dd45ead4ae30a00c3b6daa849ac
SHA3-384 hash: 275f17ed4c3738edd74b87d7dbf3a0da4352e4ecfc7b0f023d1f19818264af8cfeee0044c1971524f0a354292a9d7a4c
SHA1 hash: ce8870ba1526e98f030e18b3f2c0e6cb3ac617e6
MD5 hash: 86ea545475c796b13a371f4c72dc56a4
humanhash: carolina-burger-oven-uranus
File name:86ea545475c796b13a371f4c72dc56a4.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:268'288 bytes
First seen:2022-07-16 08:45:57 UTC
Last seen:2022-07-16 09:35:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1babba8ebf028e1ff7cbb28d85574e06 (3 x RedLineStealer, 1 x GCleaner, 1 x Smoke Loader)
ssdeep 6144:OgODT4ELOFZUa8fORTlGyfb/Fjdr6YdZ6+/G:OzThLOFZZvTxnr6YdZ6EG
TLSH T1DE44F121B6B0D832F4F731308AB2DA606A7B78636574A48BB7F4136D1E323C05D757A6
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 36f0e8e9e9e86860 (2 x GCleaner)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
2
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/291156/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.40001877.23971.192.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Sending an HTTP GET request
Сreating synchronization primitives
Gathering data
Result
Verdict:
MALICIOUS
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/c1dcdec4-6afa-4d06-b9e0-d994d4a772c5
Result
Threat name:
Djvu, Nymaim, RedLine
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1033524
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Tries to detect virtualization through RDTSC time measurements
Tries to evade analysis by execution special instruction (VM detection)
Yara detected Djvu Ransomware
Yara detected Nymaim
Yara detected RedLine Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 666019 Sample: P3LL450dT6.exe Startdate: 16/07/2022 Architecture: WINDOWS Score: 100 68 ybosge08.top 2->68 70 sevwuk62.top 2->70 72 4 other IPs or domains 2->72 90 Malicious sample detected (through community Yara rule) 2->90 92 Antivirus detection for URL or domain 2->92 94 Multi AV Scanner detection for submitted file 2->94 96 9 other signatures 2->96 10 P3LL450dT6.exe 25 2->10         started        14 794cm0au2x.exe 2->14         started        17 794cm0au2x.exe 2->17         started        19 794cm0au2x.exe 2->19         started        signatures3 process4 dnsIp5 78 45.141.237.38, 49798, 80 SPECTRAIPSpectraIPBVNL Netherlands 10->78 80 193.233.177.238, 49806, 80 REDCOM-ASRedcomKhabarovskRussiaRU Russian Federation 10->80 82 193.233.179.32, 49816, 49844, 49869 REDCOM-ASRedcomKhabarovskRussiaRU Russian Federation 10->82 60 C:\Users\user\AppData\...\V6hdAx9Lc.exe, PE32 10->60 dropped 62 C:\Users\user\AppData\...\794cm0au2x.exe, PE32 10->62 dropped 64 C:\Users\user\AppData\Local\...\D3[1].file, PE32 10->64 dropped 66 3 other files (2 malicious) 10->66 dropped 21 V6hdAx9Lc.exe 10->21         started        24 WerFault.exe 10->24         started        26 794cm0au2x.exe 10->26         started        35 8 other processes 10->35 110 Injects a PE file into a foreign processes 14->110 28 794cm0au2x.exe 14->28         started        31 794cm0au2x.exe 17->31         started        112 Machine Learning detection for dropped file 19->112 33 794cm0au2x.exe 19->33         started        file6 signatures7 process8 dnsIp9 98 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 21->98 100 Query firmware table information (likely to detect VMs) 21->100 102 Tries to evade analysis by execution special instruction (VM detection) 21->102 106 2 other signatures 21->106 38 794cm0au2x.exe 1 16 24->38         started        104 Injects a PE file into a foreign processes 26->104 84 api.2ip.ua 28->84 86 api.2ip.ua 31->86 50 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 35->50 dropped 52 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 35->52 dropped 54 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 35->54 dropped 56 5 other malicious files 35->56 dropped file10 signatures11 process12 dnsIp13 74 api.2ip.ua 162.0.217.254, 443, 49854, 49864 ACPCA Canada 38->74 76 192.168.2.1 unknown unknown 38->76 58 C:\Users\user\AppData\...\794cm0au2x.exe, PE32 38->58 dropped 42 794cm0au2x.exe 38->42         started        45 icacls.exe 38->45         started        file14 process15 signatures16 108 Injects a PE file into a foreign processes 42->108 47 794cm0au2x.exe 42->47         started        process17 dnsIp18 88 api.2ip.ua 47->88
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dbb81f992fd7112d5077052e4a30c5afe4fe3dd45ead4ae30a00c3b6daa849ac/
Threat name:
Win32.Trojan.RealProtect
Create hunting rule
Status:
Malicious
First seen:
2022-07-16 00:07:49 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
29 of 41 (70.73%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3o4b7gjp24is2udxauxeumgfv7sp4poul2wuvyykadb3nwvijgwa._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim trojan
Link:
https://tria.ge/reports/220716-kpa58safg4/
Behaviour
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Deletes itself
NyMaim
Malware Config
C2 Extraction:
45.141.237.3
212.192.241.16
Unpacked files
SH256 hash:
7abf267ff805237fcee74e1b0b9c31f0818b57eee22394c66c5731fc5b59eca3
MD5 hash:
296688e6aaefa8a2996428931f4dc991
SHA1 hash:
002329055b4d1db99e02dd2b5fce592ef7e0ba18
Detections:
win_nymaim_g0
Create hunting rule
Link:
https://www.unpac.me/results/b75df813-9387-4da7-8ec5-e9473daa1a4e/
Parent samples :
dbb81f992fd7112d5077052e4a30c5afe4fe3dd45ead4ae30a00c3b6daa849ac
981259296fd852b09e02ef80135cea894f74580867c05f9fa431f14c1755dd47
SH256 hash:
dbb81f992fd7112d5077052e4a30c5afe4fe3dd45ead4ae30a00c3b6daa849ac
MD5 hash:
86ea545475c796b13a371f4c72dc56a4
SHA1 hash:
ce8870ba1526e98f030e18b3f2c0e6cb3ac617e6
Link:
https://www.unpac.me/results/b75df813-9387-4da7-8ec5-e9473daa1a4e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dbb81f992fd7112d5077052e4a30c5afe4fe3dd45ead4ae30a00c3b6daa849ac

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:win_gcleaner_de41
Create hunting rule
Author:Johannes Bader
Description:detects GCleaner

File information

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

Web download

GCleaner

Executable exe dbb81f992fd7112d5077052e4a30c5afe4fe3dd45ead4ae30a00c3b6daa849ac

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2212368/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/291156/

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