MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c39b6247c3d38b4e06f05db01e440bd72cc99b2c000c2d082b22b87a64e2cc8e. 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 YARA 3 File information Comments 1

SHA256 hash: c39b6247c3d38b4e06f05db01e440bd72cc99b2c000c2d082b22b87a64e2cc8e
SHA3-384 hash: cd2cb50c8dc1872dc35cd18425ed103ff3e8d8b03d818a163718f90a847c3275d1adeb7580d72082f482595f7623619b
SHA1 hash: 81ed39584d00f6983f6332d0404bb8e8c0d7ea4b
MD5 hash: bdb742be28cdd944d6d76e7f848f5a8d
humanhash: oscar-nitrogen-lithium-avocado
File name:bdb742be28cdd944d6d76e7f848f5a8d
Download: download sample
Signature CoinMiner
File size:357'376 bytes
First seen:2022-01-10 12:54:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2c5f2513605e48f2d8ea5440a870cb9e (60 x Babadeda, 6 x AveMariaRAT, 5 x CoinMiner)
ssdeep 6144:j5aWbksiNTBkofvIefnXOXR0+fw1vRz/DYpSiwx1r1i7w:j5atNTaofwQnCRFw37Yuvr1+w
Threatray 14 similar samples on MalwareBazaar
TLSH T1CC740240F2D182F3EAB1053201B1617FA736663C47A4E9E7C74C3D829552AD5AB3E3E9
Reporter zbetcheckin
Tags:32 CoinMiner exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bdb742be28cdd944d6d76e7f848f5a8d
Verdict:
Malicious activity
Analysis date:
2022-01-10 13:00:15 UTC
Tags:
evasion loader trojan rat redline

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
Running batch commands
Creating a process from a recently created file
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Searching for the window
Searching for analyzing tools
Creating a file in the %AppData% subdirectories
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Moving a file to the %AppData% subdirectory
Forced system process termination
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
CPUID_Instruction
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed shell32.dll
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.
Result
Threat name:
RedLine Xmrig
Detection:
malicious
Classification:
troj.spyw.expl.evad.mine
Score:
100 / 100
Signature
Antivirus detection for dropped file
Command shell drops VBS files
Connects to many ports of the same IP (likely port scanning)
Creates multiple autostart registry keys
Detected Stratum mining protocol
Detected unpacking (changes PE section rights)
Found strings related to Crypto-Mining
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (suspicious strings)
Sigma detected: Drops script at startup location
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Windows Crypto Mining Indicators
Sigma detected: WScript or CScript Dropper
Sigma detected: Xmrig
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to evade analysis by execution special instruction which cause usermode exception
Uses BatToExe to download additional code
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected BatToExe compiled binary
Yara detected RedLine Stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 550130 Sample: VaB15i6xjQ Startdate: 10/01/2022 Architecture: WINDOWS Score: 100 79 ip-api.com 2->79 81 data-host-coin-8.com 2->81 83 2 other IPs or domains 2->83 93 Sigma detected: Xmrig 2->93 95 Multi AV Scanner detection for dropped file 2->95 97 Multi AV Scanner detection for submitted file 2->97 99 13 other signatures 2->99 10 VaB15i6xjQ.exe 10 2->10         started        14 dllhost.exe 2->14         started        16 setup3.exe 2->16         started        18 7 other processes 2->18 signatures3 process4 file5 55 C:\Users\user\AppData\Local\Temp\...\extd.exe, PE32 10->55 dropped 57 C:\Users\user\AppData\Local\Temp\...\1A59.bat, ASCII 10->57 dropped 113 Potential malicious VBS script found (suspicious strings) 10->113 20 cmd.exe 3 6 10->20         started        24 conhost.exe 10->24         started        115 Antivirus detection for dropped file 14->115 117 Multi AV Scanner detection for dropped file 14->117 119 Detected unpacking (changes PE section rights) 14->119 121 Machine Learning detection for dropped file 14->121 123 Tries to detect sandboxes and other dynamic analysis tools (window names) 16->123 125 Tries to evade analysis by execution special instruction which cause usermode exception 16->125 127 Hides threads from debuggers 16->127 26 WerFault.exe 18->26         started        signatures6 process7 file8 53 C:\Users\user\AppData\Local\Temp\...\123.vbs, ASCII 20->53 dropped 101 Potential malicious VBS script found (suspicious strings) 20->101 103 Command shell drops VBS files 20->103 105 Uses BatToExe to download additional code 20->105 28 setup3.exe 20->28         started        32 setup2.exe 16 4 20->32         started        35 setup1.exe 3 20->35         started        37 6 other processes 20->37 signatures9 process10 dnsIp11 59 C:\Users\user\AppData\...\setup3.exe (copy), MS-DOS 28->59 dropped 61 C:\Users\user\AppData\Roaming\...\Driver.exe, MS-DOS 28->61 dropped 63 C:\Users\user\AppData\Roaming\...\Driver.url, MS 28->63 dropped 129 Multi AV Scanner detection for dropped file 28->129 131 Detected unpacking (changes PE section rights) 28->131 133 Creates multiple autostart registry keys 28->133 135 Hides threads from debuggers 28->135 39 Driver.exe 28->39         started        42 Driver.exe 28->42         started        73 yandex.ru 5.255.255.88, 443, 49770 YANDEXRU Russian Federation 32->73 65 C:\Users\user\AppData\Roaming\...\dllhost.exe, MS-DOS 32->65 dropped 137 Antivirus detection for dropped file 32->137 139 Machine Learning detection for dropped file 32->139 141 Tries to evade analysis by execution special instruction which cause usermode exception 32->141 143 Writes to foreign memory regions 35->143 145 Injects a PE file into a foreign processes 35->145 45 RegAsm.exe 35->45         started        75 a0617224.xsph.ru 141.8.192.58, 49767, 49768, 49769 SPRINTHOSTRU Russian Federation 37->75 77 iplogger.org 148.251.234.83, 443, 49766 HETZNER-ASDE Germany 37->77 67 C:\Users\user\AppData\Local\...\setup1.exe, PE32 37->67 dropped 69 C:\Users\user\AppData\Local\...\setup3.exe, MS-DOS 37->69 dropped 71 C:\Users\user\AppData\Local\...\setup2.exe, MS-DOS 37->71 dropped 147 System process connects to network (likely due to code injection or exploit) 37->147 149 May check the online IP address of the machine 37->149 file12 signatures13 process14 dnsIp15 107 Multi AV Scanner detection for dropped file 39->107 109 Detected unpacking (changes PE section rights) 39->109 47 conhost.exe 39->47         started        49 WerFault.exe 39->49         started        85 107.178.104.10, 3333, 49773 IOFLOODUS United States 42->85 87 pool.supportxmr.com 42->87 89 pool-nyc.supportxmr.com 42->89 51 conhost.exe 42->51         started        91 23.88.107.4, 28504, 49774 ENZUINC-US United States 45->91 signatures16 111 Detected Stratum mining protocol 85->111 process17
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-01-10 12:55:11 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
mimikatz
Score:
  10/10
Tags:
family:loaderbot family:mimikatz discovery loader miner persistence spyware stealer upx
Behaviour
Modifies registry class
Script User-Agent
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
UPX packed file
LoaderBot executable
mimikatz is an open source tool to dump credentials on Windows
LoaderBot
Mimikatz
Unpacked files
SH256 hash:
81e550c68225b049ae7c248a672da4a3de3733d153c50110052ab0a2cbb7e01a
MD5 hash:
a434e3c6016d70a3f273c02341042c7f
SHA1 hash:
a742161a0a32e428ef8db5f12239c118ae0ae7ac
SH256 hash:
c39b6247c3d38b4e06f05db01e440bd72cc99b2c000c2d082b22b87a64e2cc8e
MD5 hash:
bdb742be28cdd944d6d76e7f848f5a8d
SHA1 hash:
81ed39584d00f6983f6332d0404bb8e8c0d7ea4b
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:INDICATOR_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:MALWARE_Win_CoinMiner04
Author:ditekSHen
Description:Detects coinmining malware

File information


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

Web download

CoinMiner

Executable exe c39b6247c3d38b4e06f05db01e440bd72cc99b2c000c2d082b22b87a64e2cc8e

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-01-10 12:54:56 UTC

url : hxxp://a0617224.xsph.ru/5532.exe