MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfc689df6491f5e7ff691170453230df1bed374d19fa8ac9e4e48770892f70f7. 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



PrivateLoader


Vendor detections: 15


Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash: cfc689df6491f5e7ff691170453230df1bed374d19fa8ac9e4e48770892f70f7
SHA3-384 hash: e789a54e180db6f4190a2f358833391922cc0911f2308b0fd44da16e8184a18affaa50f9d824a6e75019b904d3478412
SHA1 hash: a9a27f5458c7f128f4e49e19e439047fa0189e9b
MD5 hash: 57c02a0959b93b5a87874a92b39604bc
humanhash: red-kansas-connecticut-summer
File name:HEUR-Trojan-Spy.Win32.Fbkatz.gen-cfc689df6491.exe
Download: download sample
Signature PrivateLoader
File size:783'872 bytes
First seen:2022-11-12 14:25:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9b239827ad94cf9e43aed2c8aec6e783 (3 x CryptBot, 2 x PrivateLoader, 1 x FickerStealer)
ssdeep 12288:v+YWt/xf+OeO+OeNhBBhhBBOsdVrmykJpcHRQMRTFhu26loXKHEu4uLv78BtR5XL:v+YxKnJGbZ6HXv78BtR5XMBt6OHTbOHT
Threatray 1'061 similar samples on MalwareBazaar
TLSH T1D8F48D10B793E071D8B244F418B9AB6AA43CBD1407389FEBA3D43F2D59791D11E32E5A
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter abuse_ch
Tags:exe PrivateLoader


Avatar
abuse_ch
PrivateLoader C2:
http://88.99.120.225/

Intelligence


File Origin
# of uploads :
1
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
redline
ID:
1
File name:
bce9a372__bioshock-remast.zip
Verdict:
Malicious activity
Analysis date:
2021-06-24 02:26:38 UTC
Tags:
loader evasion trojan rat redline stealer vidar ficker phishing

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Sending a custom TCP request
Sending a UDP request
Sending an HTTP GET request
Connecting to a non-recommended domain
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% subdirectories
Creating a window
Launching a process
Running batch commands
Launching the process to change the firewall settings
Blocking the Windows Defender launch
Query of malicious DNS domain
Unauthorized injection to a recently created process
Sending an HTTP GET request to an infection source
Sending an HTTP POST request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint greyware ransomware
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:
Amadey, CryptOne, ManusCrypt, Nymaim, Pr
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Creates an undocumented autostart registry key
Creates processes via WMI
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disable Windows Defender real time protection (registry)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the document folder of the user
Found C&C like URL pattern
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
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Uses known network protocols on non-standard ports
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Amadey bot
Yara detected Amadeys stealer DLL
Yara detected CryptOne packer
Yara detected ManusCrypt
Yara detected Nymaim
Yara detected PrivateLoader
Yara detected RedLine Stealer
Yara detected Tofsee
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 744556 Sample: HEUR-Trojan-Spy.Win32.Fbkat... Startdate: 12/11/2022 Architecture: WINDOWS Score: 100 111 107.182.129.235 META-ASUS Reserved 2->111 113 171.22.30.106 CMCSUS Germany 2->113 115 2 other IPs or domains 2->115 139 Snort IDS alert for network traffic 2->139 141 Multi AV Scanner detection for domain / URL 2->141 143 Malicious sample detected (through community Yara rule) 2->143 145 23 other signatures 2->145 9 HEUR-Trojan-Spy.Win32.Fbkatz.gen-cfc689df6491.exe 4 42 2->9         started        14 lwsxohti.exe 2->14         started        16 svchost.exe 2->16         started        18 10 other processes 2->18 signatures3 process4 dnsIp5 117 212.193.30.115, 49703, 49749, 80 SPD-NETTR Russian Federation 9->117 119 136.144.41.133, 80 WORLDSTREAMNL Netherlands 9->119 121 17 other IPs or domains 9->121 103 C:\Users\...\u3sqJB6ehtv5cEN_uK5PMKK9.exe, PE32 9->103 dropped 105 C:\Users\...\r2ifsemG8S1B8jqeKClLSCK8.exe, PE32 9->105 dropped 107 C:\Users\...\qWe8kNFKmqtPdOdKJjFXvPuC.exe, PE32+ 9->107 dropped 109 15 other malicious files 9->109 dropped 165 Drops PE files to the document folder of the user 9->165 167 May check the online IP address of the machine 9->167 169 Disable Windows Defender real time protection (registry) 9->169 20 kV4uYg87Zk1X62d5N89pKdSB.exe 3 9->20         started        24 u3sqJB6ehtv5cEN_uK5PMKK9.exe 2 9->24         started        26 p_fcOrUsW9V6TmiOrjCfm04o.exe 9->26         started        30 9 other processes 9->30 171 Detected unpacking (changes PE section rights) 14->171 173 Detected unpacking (overwrites its own PE header) 14->173 175 Writes to foreign memory regions 14->175 189 2 other signatures 14->189 177 Contains functionality to inject threads in other processes 16->177 179 Contains functionality to inject code into remote processes 16->179 181 Contains functionality to compare user and computer (likely to detect sandboxes) 16->181 183 Contains functionality to detect sleep reduction / modifications 16->183 185 Query firmware table information (likely to detect VMs) 18->185 187 Changes security center settings (notifications, updates, antivirus, firewall) 18->187 28 MpCmdRun.exe 18->28         started        file6 signatures7 process8 dnsIp9 89 C:\Users\user\AppData\Local\...\rovwer.exe, PE32 20->89 dropped 147 Multi AV Scanner detection for dropped file 20->147 149 Detected unpacking (changes PE section rights) 20->149 151 Detected unpacking (overwrites its own PE header) 20->151 33 rovwer.exe 20->33         started        91 C:\Users\user\AppData\Local\...\lwsxohti.exe, PE32 24->91 dropped 153 Uses netsh to modify the Windows network and firewall settings 24->153 155 Modifies the windows firewall 24->155 37 cmd.exe 24->37         started        50 5 other processes 24->50 93 C:\Users\user\AppData\Local\...\is-SMFD6.tmp, PE32 26->93 dropped 39 is-SMFD6.tmp 26->39         started        41 conhost.exe 28->41         started        125 45.66.159.18 ENZUINC-US Russian Federation 30->125 127 149.154.167.99 TELEGRAMRU United Kingdom 30->127 129 6 other IPs or domains 30->129 95 C:\Users\user\AppData\Local\Temp\muGf.D, PE32 30->95 dropped 97 C:\Users\user\AppData\Local\...\1115[1].xx, DOS 30->97 dropped 99 C:\...\ClipManager_Svc.exe, PE32 30->99 dropped 157 Query firmware table information (likely to detect VMs) 30->157 159 Tries to detect sandboxes and other dynamic analysis tools (window names) 30->159 161 Uses schtasks.exe or at.exe to add and modify task schedules 30->161 163 7 other signatures 30->163 43 EeLoRVUnfV9GdCNLxYphsNYb.exe 30->43         started        46 schtasks.exe 30->46         started        48 schtasks.exe 30->48         started        52 5 other processes 30->52 file10 signatures11 process12 dnsIp13 73 C:\Users\user\AppData\Roaming\...\cred64.dll, PE32 33->73 dropped 75 C:\Users\user\AppData\Local\...\cred64[1].dll, PE32 33->75 dropped 131 Multi AV Scanner detection for dropped file 33->131 133 Detected unpacking (changes PE section rights) 33->133 135 Detected unpacking (overwrites its own PE header) 33->135 137 Creates an undocumented autostart registry key 33->137 77 C:\Windows\SysWOW64\...\lwsxohti.exe (copy), PE32 37->77 dropped 54 conhost.exe 37->54         started        79 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 39->79 dropped 81 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 39->81 dropped 83 C:\...\unins000.exe (copy), PE32 39->83 dropped 87 4 other files (2 malicious) 39->87 dropped 56 gfsearcher77.exe 39->56         started        123 xv.yxzgamen.com 43->123 85 C:\Users\user\AppData\Local\Temp\db.dll, PE32 43->85 dropped 59 conhost.exe 43->59         started        61 conhost.exe 46->61         started        63 conhost.exe 48->63         started        65 conhost.exe 50->65         started        67 conhost.exe 50->67         started        69 conhost.exe 50->69         started        71 2 other processes 50->71 file14 signatures15 process16 file17 101 C:\Users\user\AppData\...\PxI8B1l8OfW.exe, PE32 56->101 dropped
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2021-06-23 10:01:38 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:nymaim family:privateloader family:redline family:tofsee family:vidar family:xmrig botnet:1679 botnet:@andriii_f botnet:logsdiller cloud (tg: @logsdillabot) botnet:new1112 collection discovery evasion infostealer miner persistence spyware stealer themida trojan vmprotect
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies data under HKEY_USERS
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_win_path
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks whether UAC is enabled
Looks up external IP address via web service
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Reads local data of messenger clients
Reads user/profile data of web browsers
Themida packer
Uses the VBS compiler for execution
Blocklisted process makes network request
Creates new service(s)
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
VMProtect packed file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner payload
Amadey
Detect Amadey credential stealer module
Modifies Windows Defender Real-time Protection settings
NyMaim
Process spawned unexpected child process
RedLine
RedLine payload
Tofsee
Vidar
xmrig
Malware Config
C2 Extraction:
svartalfheim.top
jotunheim.name
45.139.105.171
85.31.46.167
185.173.36.94:31511
jalocliche.xyz:81
chardhesha.xyz:81
https://t.me/seclab_new
https://raw.githubusercontent.com/sebekeloytfu/simple-bash-scripts/master/calculator.sh
213.32.44.120:6254
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
cfc689df6491f5e7ff691170453230df1bed374d19fa8ac9e4e48770892f70f7
MD5 hash:
57c02a0959b93b5a87874a92b39604bc
SHA1 hash:
a9a27f5458c7f128f4e49e19e439047fa0189e9b
Detections:
PrivateLoader win_privateloader_w0 win_privateloader_auto win_privateloader_a0
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MALWARE_Win_DLInjector06
Author:ditekSHen
Description:Detects downloader / injector
Rule name:privateloader
Author:andretavare5
Description:PrivateLoader pay-per-install malware
Rule name:win_privateloader
Rule name:win_privateloader_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.privateloader.
Rule name:win_privateloader_w0
Author:andretavare5
Reference:https://tavares.re/blog/2022/06/06/hunting-privateloader-pay-per-install-service

File information


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

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