MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c526afe65855251c3efdb5b3be2d24f21f86c5297a2b398bea7188cfc944f85. 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



CoinMiner


Vendor detections: 12


Intelligence 12 IOCs 2 YARA File information Comments

SHA256 hash: 3c526afe65855251c3efdb5b3be2d24f21f86c5297a2b398bea7188cfc944f85
SHA3-384 hash: 2d6ac3fca41a9048614850e1f1bb2187322487b9b413a987d8d2c3aeda0ec225b1feac481a478bd04d5d23cfbf135c73
SHA1 hash: 51e816aa7597e633780a812de463e790b1d76226
MD5 hash: 28c9847c97decba42e5e3a6a96de3ae9
humanhash: bluebird-uranus-wolfram-dakota
File name:28c9847c97decba42e5e3a6a96de3ae9.exe
Download: download sample
Signature CoinMiner
File size:294'400 bytes
First seen:2021-12-18 16:35:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d5ad0dd900bc145ad0c026557134f094 (16 x RedLineStealer, 2 x CoinMiner)
ssdeep 6144:vSBFa1vBz/WTxQtvaWqZvphLuBQ1r4BHe:Kqz/WtQtvapZj6Q1r
Threatray 6'104 similar samples on MalwareBazaar
TLSH T149549D00B7A0D435F6B712F849B993AD793F79A1AB7090CB52D516EA1A74AF0DC3034B
File icon (PE):PE icon
dhash icon 2dac1378399b9b91 (35 x Smoke Loader, 34 x RedLineStealer, 18 x Amadey)
Reporter abuse_ch
Tags:CoinMiner exe


Avatar
abuse_ch
CoinMiner C2:
86.107.197.138:38133

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
86.107.197.138:38133 https://threatfox.abuse.ch/ioc/277061/
http://178.62.232.173/ https://threatfox.abuse.ch/ioc/277322/

Intelligence


File Origin
# of uploads :
1
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Launching the default Windows debugger (dwwin.exe)
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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.
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
Djvu RedLine SmokeLoader Tofsee Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Detected VMProtect packer
Drops executables to the windows directory (C:\Windows) and starts them
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected Djvu Ransomware
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 542071 Sample: dfbL1VHeeQ.exe Startdate: 18/12/2021 Architecture: WINDOWS Score: 100 89 microsoft-com.mail.protection.outlook.com 40.93.212.0, 25, 49860 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 2->89 91 mubrikych.top 91.224.22.134, 443, 49874, 49916 AS-REGRU Russian Federation 2->91 93 4 other IPs or domains 2->93 111 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->111 113 Multi AV Scanner detection for domain / URL 2->113 115 Antivirus detection for URL or domain 2->115 117 17 other signatures 2->117 11 dfbL1VHeeQ.exe 2->11         started        13 urjjfif 2->13         started        16 zaaebkct.exe 2->16         started        18 5 other processes 2->18 signatures3 process4 signatures5 20 dfbL1VHeeQ.exe 11->20         started        135 Detected unpacking (changes PE section rights) 13->135 137 Machine Learning detection for dropped file 13->137 139 Maps a DLL or memory area into another process 13->139 149 2 other signatures 13->149 141 Detected unpacking (overwrites its own PE header) 16->141 143 Writes to foreign memory regions 16->143 145 Allocates memory in foreign processes 16->145 147 Injects a PE file into a foreign processes 16->147 23 atjjfif 18->23         started        process6 signatures7 119 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 20->119 121 Maps a DLL or memory area into another process 20->121 123 Checks if the current machine is a virtual machine (disk enumeration) 20->123 125 Creates a thread in another existing process (thread injection) 20->125 25 explorer.exe 8 20->25 injected process8 dnsIp9 97 amogohuigotuli.at 25->97 99 185.233.81.115, 443, 49794 SUPERSERVERSDATACENTERRU Russian Federation 25->99 101 21 other IPs or domains 25->101 75 C:\Users\user\AppData\Roaming\urjjfif, PE32 25->75 dropped 77 C:\Users\user\AppData\Roaming\atjjfif, PE32 25->77 dropped 79 C:\Users\user\AppData\Local\Temp\FFAD.exe, PE32 25->79 dropped 81 10 other files (9 malicious) 25->81 dropped 127 System process connects to network (likely due to code injection or exploit) 25->127 129 Benign windows process drops PE files 25->129 131 Deletes itself after installation 25->131 133 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->133 30 AEF7.exe 2 25->30         started        34 E83F.exe 25->34         started        36 9B01.exe 127 25->36         started        39 3 other processes 25->39 file10 signatures11 process12 dnsIp13 83 C:\Users\user\AppData\Local\...\zaaebkct.exe, PE32 30->83 dropped 151 Detected unpacking (changes PE section rights) 30->151 153 Detected unpacking (overwrites its own PE header) 30->153 155 Machine Learning detection for dropped file 30->155 173 2 other signatures 30->173 41 cmd.exe 30->41         started        44 cmd.exe 30->44         started        46 sc.exe 30->46         started        55 3 other processes 30->55 157 Multi AV Scanner detection for dropped file 34->157 159 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 34->159 161 Maps a DLL or memory area into another process 34->161 175 2 other signatures 34->175 95 file-file-host4.com 36->95 85 C:\Users\user\AppData\...\sqlite3[1].dll, PE32 36->85 dropped 87 C:\ProgramData\sqlite3.dll, PE32 36->87 dropped 163 Tries to harvest and steal browser information (history, passwords, etc) 36->163 165 Tries to steal Crypto Currency Wallets 36->165 167 Contains functionality to detect sleep reduction / modifications 36->167 48 cmd.exe 36->48         started        169 Contains functionality to inject code into remote processes 39->169 171 Injects a PE file into a foreign processes 39->171 50 78D2.exe 39->50         started        53 BCD3.exe 39->53         started        file14 signatures15 process16 file17 73 C:\Windows\SysWOW64\...\zaaebkct.exe (copy), PE32 41->73 dropped 57 conhost.exe 41->57         started        59 conhost.exe 44->59         started        61 conhost.exe 46->61         started        63 conhost.exe 48->63         started        65 timeout.exe 48->65         started        103 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 50->103 105 Maps a DLL or memory area into another process 50->105 107 Checks if the current machine is a virtual machine (disk enumeration) 50->107 109 Creates a thread in another existing process (thread injection) 50->109 67 conhost.exe 55->67         started        69 conhost.exe 55->69         started        71 conhost.exe 55->71         started        signatures18 process19
Threat name:
Win32.Trojan.DllCheck
Status:
Malicious
First seen:
2021-12-18 16:36:11 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:amadey family:arkei family:redline family:smokeloader family:tofsee family:warzonerat family:xmrig botnet:1 backdoor collection discovery evasion infostealer miner persistence rat spyware stealer trojan vmprotect
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Modifies registry class
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
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Creates new service(s)
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
VMProtect packed file
Arkei Stealer Payload
Warzone RAT Payload
XMRig Miner Payload
Amadey
Arkei
Process spawned unexpected child process
RedLine
RedLine Payload
SmokeLoader
Tofsee
WarzoneRat, AveMaria
Windows security bypass
xmrig
Malware Config
C2 Extraction:
http://host-data-coin-11.com/
http://file-coin-host-12.com/
http://srtuiyhuali.at/
http://fufuiloirtu.com/
http://amogohuigotuli.at/
http://novohudosovu.com/
http://brutuilionust.com/
http://bubushkalioua.com/
http://dumuilistrati.at/
http://verboliatsiaeeees.com/
mubrikych.top
oxxyfix.xyz
86.107.197.138:38133
185.215.113.35/d2VxjasuwS/index.php
Malware family:
SmokeLoader
Verdict:
Malicious
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.

Web download

CoinMiner

Executable exe 3c526afe65855251c3efdb5b3be2d24f21f86c5297a2b398bea7188cfc944f85

(this sample)

  
Delivery method
Distributed via web download

Comments