MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83a0838ce422cf0354914df7efde5aeadb19cbc84ee315725de96237df2a36aa. 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 1 YARA File information Comments

SHA256 hash: 83a0838ce422cf0354914df7efde5aeadb19cbc84ee315725de96237df2a36aa
SHA3-384 hash: c83ee27a54580ad3624771adc8d3eba7d66e79865b6d2c9246b67ecb1d6c99be8959e9c4ddc20ca5f54d913b0949147d
SHA1 hash: d7c099c464e0448a0054f7bb4aa30673764b00a1
MD5 hash: 526b0c8a6b9e8cb984bbde90853d1181
humanhash: chicken-zebra-asparagus-mexico
File name:83A0838CE422CF0354914DF7EFDE5AEADB19CBC84EE31.exe
Download: download sample
Signature GCleaner
File size:542'208 bytes
First seen:2022-02-26 09:35:42 UTC
Last seen:2022-02-26 11:54:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fa60387d0028b4d3797a377f8f49d1bf (1 x RaccoonStealer, 1 x GCleaner)
ssdeep 12288:1wRQmGcWBCu+mPjhqb7/J2xnwIjmTbpj:1wRQdtqb7CwDp
TLSH T1C8B43960A310E3B1F19709FE51A65FB939281838CB98FCEBAF905D05E6241DD727127E
File icon (PE):PE icon
dhash icon e8d959ccc866e6c3 (3 x RaccoonStealer, 2 x CoinMiner, 1 x Tofsee)
Reporter abuse_ch
Tags:exe gcleaner


Avatar
abuse_ch
GCleaner C2:
http://185.163.204.32/

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://185.163.204.32/ https://threatfox.abuse.ch/ioc/390944/

Intelligence


File Origin
# of uploads :
2
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
DNS request
Creating a file
Reading critical registry keys
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Blocking the Windows Defender launch
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed zusy
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.
Result
Threat name:
DanaBot RedLine SmokeLoader onlyLogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disable Windows Defender real time protection (registry)
Drops PE files to the document folder of the user
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
PE file has nameless sections
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected DanaBot stealer dll
Yara detected onlyLogger
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 579171 Sample: 83A0838CE422CF0354914DF7EFD... Startdate: 26/02/2022 Architecture: WINDOWS Score: 100 80 Found malware configuration 2->80 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus detection for URL or domain 2->84 86 19 other signatures 2->86 8 83A0838CE422CF0354914DF7EFDE5AEADB19CBC84EE31.exe 5 75 2->8         started        process3 dnsIp4 74 37.0.10.244 WKD-ASIE Netherlands 8->74 76 80.66.64.170 VAD-SRL-AS1MD Russian Federation 8->76 78 16 other IPs or domains 8->78 50 C:\Users\...\sWqSDckLw9mZ3UUJVT7PMDqe.exe, PE32 8->50 dropped 52 C:\Users\...\f3EsIZ8e4J_bBZSq3E6wiN62.exe, PE32 8->52 dropped 54 C:\Users\...\YxNlnZMOlWgTb_BfxN1dAdWe.exe, PE32 8->54 dropped 56 37 other files (17 malicious) 8->56 dropped 92 Creates HTML files with .exe extension (expired dropper behavior) 8->92 94 Tries to harvest and steal browser information (history, passwords, etc) 8->94 96 Disable Windows Defender real time protection (registry) 8->96 13 sWqSDckLw9mZ3UUJVT7PMDqe.exe 8->13         started        16 f3EsIZ8e4J_bBZSq3E6wiN62.exe 2 8->16         started        19 YxNlnZMOlWgTb_BfxN1dAdWe.exe 17 8->19         started        22 13 other processes 8->22 file5 signatures6 process7 dnsIp8 98 Injects a PE file into a foreign processes 13->98 24 sWqSDckLw9mZ3UUJVT7PMDqe.exe 13->24         started        34 C:\Users\...\f3EsIZ8e4J_bBZSq3E6wiN62.tmp, PE32 16->34 dropped 100 Obfuscated command line found 16->100 27 f3EsIZ8e4J_bBZSq3E6wiN62.tmp 16->27         started        66 149.154.167.99 TELEGRAMRU United Kingdom 19->66 68 192.168.2.1 unknown unknown 19->68 36 C:\Users\...\7fNRJAm2OF1rRiwNzdRLdVC8.exe, PE32 19->36 dropped 38 C:\...\PowerControl_Svc.exe, PE32 19->38 dropped 40 C:\Users\user\AppData\Local\...\WW14[1].bmp, PE32 19->40 dropped 30 7fNRJAm2OF1rRiwNzdRLdVC8.exe 19->30         started        70 50.87.142.220 UNIFIEDLAYER-AS-1US United States 22->70 72 188.114.97.7 CLOUDFLARENETUS European Union 22->72 42 cf999cb8-f191-46b9-b746-4c2ece980c78.exe, PE32 22->42 dropped 44 124d5861-7cba-439b-94f4-084120efccc8.exe, PE32 22->44 dropped 46 C:\Program Files (x86)\...\jg1_1faf.exe, PE32 22->46 dropped 48 6 other files (1 malicious) 22->48 dropped file9 signatures10 process11 file12 88 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 24->88 90 Checks if the current machine is a virtual machine (disk enumeration) 24->90 32 explorer.exe 24->32 injected 58 C:\Users\user\AppData\...\5(6665____.exe, PE32 27->58 dropped 60 C:\Users\user\AppData\Local\Temp\...\idp.dll, PE32 27->60 dropped 62 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 27->62 dropped 64 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 27->64 dropped signatures13 process14
Threat name:
Win32.Downloader.SmallAgent
Status:
Malicious
First seen:
2021-09-21 03:18:54 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
29 of 43 (67.44%)
Threat level:
  3/5
Verdict:
malicious
Label(s):
raccoon
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:onlylogger family:raccoon family:redline family:smokeloader botnet:5e6c7c9e2f353b2b4e4112831e5aeb70c281d52b botnet:buildttt1 backdoor discovery evasion infostealer loader spyware stealer suricata trojan upx
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Enumerates processes with tasklist
Enumerates system info in registry
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
UPX packed file
OnlyLogger Payload
Modifies Windows Defender Real-time Protection settings
OnlyLogger
Process spawned unexpected child process
Raccoon
RedLine
RedLine Payload
SmokeLoader
suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
suricata: ET MALWARE GCleaner Downloader Activity M5
suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Win32.Raccoon Stealer - Telegram Mirror Checkin (generic)
suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3
suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2
Malware Config
C2 Extraction:
http://host-data-coin-11.com/
http://file-coin-host-12.com/
193.178.170.120:11930
169.197.141.182:47320
Unpacked files
SH256 hash:
83a0838ce422cf0354914df7efde5aeadb19cbc84ee315725de96237df2a36aa
MD5 hash:
526b0c8a6b9e8cb984bbde90853d1181
SHA1 hash:
d7c099c464e0448a0054f7bb4aa30673764b00a1
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments