MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a2f819b56fc962aa6f4e34d59eea86956299b3ff809ca166e404440b9af7ca6. 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



Threat unknown


Vendor detections: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 5a2f819b56fc962aa6f4e34d59eea86956299b3ff809ca166e404440b9af7ca6
SHA3-384 hash: a1441fa7e932559e24382f0a18656644c8a4c5be7bede8aa0ce012c9b9774b03a8deefb11d69a3ab9d6e554cd06b7a30
SHA1 hash: cfb9942a90e7f9aec155c88fafb9b525948364c8
MD5 hash: d96e3976a45882c36e4983c1e7fbcb5b
humanhash: lima-mike-winner-undress
File name:5a2f819b56fc962aa6f4e34d59eea86956299b3ff809ca166e404440b9af7ca6
Download: download sample
File size:6'073'993 bytes
First seen:2021-02-26 22:00:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash be41bf7b8cc010b614bd36bbca606973 (195 x LummaStealer, 126 x DanaBot, 63 x Vidar)
ssdeep 98304:nsWg/hNbtl4iTfiDLhLzMbYOzS3g52fHhV3Y6/FFm7mUbqcY11jLdayJZRa1tQBB:nvgTogfiHhs/zS3g5y3I6/FFm7mYPY/B
Threatray 239 similar samples on MalwareBazaar
TLSH 075633E2A83CFCA3FBC40CF556A8553B9E648C621864DA47E786788F1574121E8DF31B
Reporter JasonMilletary

Intelligence


File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
lv.bin
Verdict:
Malicious activity
Analysis date:
2021-02-26 19:51:54 UTC
Tags:
evasion opendir loader

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

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Deleting a recently created file
Searching for analyzing tools
Searching for the window
Creating a file in the %AppData% subdirectories
Sending a UDP request
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Enabling autorun by creating a file
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:
Cryptbot
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Hides threads from debuggers
Machine Learning detection for dropped file
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Potentially malicious time measurement code found
Sample is not signed and drops a device driver
Sigma detected: Suspicious Compression Tool Parameters
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Cryptbot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 359106 Sample: 2oCWWGe1LR Startdate: 26/02/2021 Architecture: WINDOWS Score: 100 95 Antivirus detection for dropped file 2->95 97 Multi AV Scanner detection for dropped file 2->97 99 Multi AV Scanner detection for submitted file 2->99 101 10 other signatures 2->101 8 2oCWWGe1LR.exe 21 2->8         started        11 SmartClock.exe 2->11         started        14 SmartClock.exe 2->14         started        16 AutoIt3_x64.exe 2->16         started        process3 file4 79 C:\Users\user\AppData\Local\...\vpn_ico.exe, PE32 8->79 dropped 81 C:\Users\user\AppData\Local\...\6_ico.exe, PE32 8->81 dropped 83 C:\Users\user\AppData\Local\...\4_ico.exe, PE32 8->83 dropped 85 2 other files (1 malicious) 8->85 dropped 18 5.exe 11 8->18         started        22 4_ico.exe 4 8->22         started        25 vpn_ico.exe 3 19 8->25         started        27 6_ico.exe 3 8->27         started        115 Hides threads from debuggers 11->115 117 Tries to detect sandboxes / dynamic malware analysis system (registry check) 11->117 29 cmd.exe 16->29         started        31 cmd.exe 16->31         started        signatures5 process6 dnsIp7 87 googlehosted.l.googleusercontent.com 142.250.186.33, 443, 49710 GOOGLEUS United States 18->87 89 doc-0s-04-docs.googleusercontent.com 18->89 65 C:\Users\user\AppData\Local\Temp\UnRAR.exe, PE32 18->65 dropped 67 C:\Users\user\AppData\Local\Temp\File.rar, RAR 18->67 dropped 33 cmd.exe 1 18->33         started        35 wscript.exe 18->35         started        39 cmd.exe 18->39         started        69 C:\Users\user\AppData\...\SmartClock.exe, PE32 22->69 dropped 111 Hides threads from debuggers 22->111 113 Tries to detect sandboxes / dynamic malware analysis system (registry check) 22->113 41 SmartClock.exe 22->41         started        91 ip-api.com 208.95.112.1, 49712, 80 TUT-ASUS United States 25->91 43 wscript.exe 12 25->43         started        45 conhost.exe 29->45         started        47 wscript.exe 29->47         started        49 conhost.exe 31->49         started        file8 signatures9 process10 dnsIp11 51 UnRAR.exe 33->51         started        55 conhost.exe 33->55         started        57 timeout.exe 33->57         started        63 3 other processes 33->63 103 System process connects to network (likely due to code injection or exploit) 35->103 59 conhost.exe 39->59         started        61 timeout.exe 39->61         started        105 Hides threads from debuggers 41->105 107 Tries to detect sandboxes / dynamic malware analysis system (registry check) 41->107 93 iplogger.org 88.99.66.31, 443, 49716, 49722 HETZNER-ASDE Germany 43->93 signatures12 process13 file14 71 C:\Users\user\AppData\...\WinRing0x64.sys, PE32+ 51->71 dropped 73 C:\Users\user\AppData\Local\...\Active.exe, PE32+ 51->73 dropped 75 C:\Users\user\AppData\...\AutoIt3_x64.exe, PE32+ 51->75 dropped 77 C:\Users\user\AppData\Local\...\Settings.au3, C 51->77 dropped 109 Sample is not signed and drops a device driver 51->109 signatures15
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-02-26 20:40:09 UTC
AV detection:
18 of 48 (37.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig discovery evasion miner spyware upx
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies registry class
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Identifies Wine through registry keys
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Checks BIOS information in registry
Drops startup file
Blocklisted process makes network request
Executes dropped EXE
Sets file to hidden
UPX packed file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner Payload
xmrig
Unpacked files
SH256 hash:
edde78a9e9f8b2d45658e949bdf673d21f23f9875ae186807c0b78c719ec78ae
MD5 hash:
598f9f38a712514e3b79fcec00d9be57
SHA1 hash:
6b8cee8b940f00220a588e9a57e6b96296304ed1
SH256 hash:
5a2f819b56fc962aa6f4e34d59eea86956299b3ff809ca166e404440b9af7ca6
MD5 hash:
d96e3976a45882c36e4983c1e7fbcb5b
SHA1 hash:
cfb9942a90e7f9aec155c88fafb9b525948364c8
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