MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 02cf1973b602797cce3fe7a5647eb7fd93ca84b6617984ce71eb2d7389fcb120. 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



PripyatMiner


Vendor detections: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 02cf1973b602797cce3fe7a5647eb7fd93ca84b6617984ce71eb2d7389fcb120
SHA3-384 hash: 0e834db26189e839588a7243a6fec411f0f3ca2b591565ff6567ff9d6bfa26bb31c45a22a16d61d524f70167061796b3
SHA1 hash: 5a5c65ffabe4a2c3da71948efb7dfdfe7989ac7c
MD5 hash: bb8c6858109c0a96af4717fc7e315130
humanhash: black-twenty-echo-cardinal
File name:bb8c6858109c0a96af4717fc7e315130.exe
Download: download sample
Signature PripyatMiner
File size:4'186'112 bytes
First seen:2022-09-17 11:04:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a1e1db4ddf300b66a3afa3056ec32bfd (14 x CoinMiner, 2 x PripyatMiner)
ssdeep 98304:HVkDnRekvp2RFaNx3i4FOrJ/8fJcIMd/onPd0:HVggkBoaKcioJcbn
TLSH T18A16127FBA9224FCEA367779434F22709A22B4351230957E67C5DB712DA24D33B29078
TrID 43.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
27.6% (.EXE) Win64 Executable (generic) (10523/12/4)
13.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) OS/2 Executable (generic) (2029/13)
5.2% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter abuse_ch
Tags:exe PripyatMiner

Intelligence


File Origin
# of uploads :
1
# of downloads :
369
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
C4Loader.exe
Verdict:
Malicious activity
Analysis date:
2022-09-17 07:57:38 UTC
Tags:
loader

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

Behaviour
Сreating synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
Running batch commands
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Changing the hosts file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug packed shell32.dll
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:
Detection:
malicious
Classification:
troj.adwa.evad.mine
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to a pastebin service (likely for C&C)
Creates files in the system32 config directory
Detected Stratum mining protocol
Found hidden mapped module (file has been removed from disk)
Found strings related to Crypto-Mining
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sigma detected: Schedule system process
Snort IDS alert for network traffic
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)
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Very long command line found
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 704761 Sample: N86qdMB7fe.exe Startdate: 17/09/2022 Architecture: WINDOWS Score: 100 79 Snort IDS alert for network traffic 2->79 81 Antivirus detection for URL or domain 2->81 83 Antivirus detection for dropped file 2->83 85 11 other signatures 2->85 8 SmartWeb.exe 4 2->8         started        12 N86qdMB7fe.exe 3 2->12         started        14 svchost.exe 2->14         started        16 7 other processes 2->16 process3 file4 63 C:\Windows\Temp\F7D4.tmp, PE32+ 8->63 dropped 65 C:\Windows\Temp\D094.tmp, PE32+ 8->65 dropped 67 C:\Program Filesbehaviorgraphoogle\Libs\WR64.sys, PE32+ 8->67 dropped 101 Very long command line found 8->101 103 Writes to foreign memory regions 8->103 105 Modifies the context of a thread in another process (thread injection) 8->105 117 2 other signatures 8->117 18 svchost.exe 8->18         started        22 cmd.exe 8->22         started        24 conhost.exe 8->24         started        36 3 other processes 8->36 69 C:\Program Files\SmartDef\...\SmartWeb.exe, PE32+ 12->69 dropped 71 C:\Windows\System32\drivers\etc\hosts, data 12->71 dropped 107 Modifies the hosts file 12->107 109 Adds a directory exclusion to Windows Defender 12->109 26 powershell.exe 19 12->26         started        28 cmd.exe 1 12->28         started        30 powershell.exe 13 12->30         started        32 powershell.exe 30 12->32         started        111 System process connects to network (likely due to code injection or exploit) 14->111 113 Performs DNS queries to domains with low reputation 14->113 115 Changes security center settings (notifications, updates, antivirus, firewall) 16->115 34 MpCmdRun.exe 16->34         started        signatures5 process6 dnsIp7 73 wowouch.net 195.133.1.213, 3333, 49715, 49717 MTW-ASRU Russian Federation 18->73 75 clientbased.xyz 107.182.129.184, 49718, 80 META-ASUS Reserved 18->75 77 pastebin.com 104.20.67.143, 443, 49716 CLOUDFLARENETUS United States 18->77 87 Query firmware table information (likely to detect VMs) 18->87 47 11 other processes 22->47 89 Adds a directory exclusion to Windows Defender 24->89 38 cmd.exe 24->38         started        49 2 other processes 24->49 91 Uses schtasks.exe or at.exe to add and modify task schedules 26->91 40 conhost.exe 26->40         started        93 Uses cmd line tools excessively to alter registry or file data 28->93 51 11 other processes 28->51 53 2 other processes 30->53 43 conhost.exe 32->43         started        45 conhost.exe 34->45         started        95 Creates files in the system32 config directory 36->95 55 4 other processes 36->55 signatures8 97 Detected Stratum mining protocol 73->97 process9 signatures10 57 conhost.exe 38->57         started        99 Adds a directory exclusion to Windows Defender 40->99 59 conhost.exe 49->59         started        61 conhost.exe 49->61         started        process11
Threat name:
Win64.Trojan.CobaltStrike
Status:
Malicious
First seen:
2022-09-17 10:23:45 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
23 of 40 (57.50%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig evasion miner upx
Behaviour
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Drops file in Drivers directory
Executes dropped EXE
Stops running service(s)
UPX packed file
XMRig Miner payload
Modifies security service
xmrig
Unpacked files
SH256 hash:
02cf1973b602797cce3fe7a5647eb7fd93ca84b6617984ce71eb2d7389fcb120
MD5 hash:
bb8c6858109c0a96af4717fc7e315130
SHA1 hash:
5a5c65ffabe4a2c3da71948efb7dfdfe7989ac7c
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