MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37cb831726dc1877ea59cf5618e4fa224368bbd64a7047dec6fb554a6a17d4c2. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37cb831726dc1877ea59cf5618e4fa224368bbd64a7047dec6fb554a6a17d4c2
SHA3-384 hash: b74635936d0428ae6253b63b81b5bb9bfea984ab213d337f2b50ddb005cfbfd906572fcaaf2f85413eb2fe760b84bfba
SHA1 hash: f111814ebf9950785a8e932627abfae9c3ec24ef
MD5 hash: f855a98d4367685b38e0c961627ef029
humanhash: yellow-autumn-uncle-floor
File name:f855a98d4367685b38e0c961627ef029.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:687'616 bytes
First seen:2020-12-02 14:57:11 UTC
Last seen:2020-12-02 16:41:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2f47615e5369edaa59ef512b745ab5a8 (1 x CoinMiner, 1 x Glupteba)
ssdeep 12288:CF7HNOq1uOskXB73FEBiCZbt4RtHf03SDf7J6q/W3CK:CNtOtOskNVEBHBYt/03SDDJp/W
Threatray 35 similar samples on MalwareBazaar
TLSH 45E412117B61D835D42204B11926C7A2563DFC709B69CA47B7D93B2E0E352C1AFBB38B
Reporter abuse_ch
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
583
Origin country :
n/a
Vendor Threat Intelligence
Detection:
OlympicDestroyer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/106410/
Detection(s):
SecuriteInfo.com.ArtemisF855A98D4367.9827.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Creating a file in the Program Files subdirectories
Searching for analyzing tools
Searching for the window
Creating a file in the %AppData% subdirectories
Launching a process
Sending a UDP request
Creating a file in the %temp% subdirectories
Reading critical registry keys
Delayed writing of the file
Delayed reading of the file
Deleting a recently created file
Creating a window
DNS request
Connection attempt
Sending an HTTP POST request
Stealing user critical data
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
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:
Unknown
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/553685
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
PE file contains section with special chars
Potentially malicious time measurement code found
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 (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 325941 Sample: 7z6cDuH7Md.exe Startdate: 02/12/2020 Architecture: WINDOWS Score: 100 94 Multi AV Scanner detection for domain / URL 2->94 96 Malicious sample detected (through community Yara rule) 2->96 98 Antivirus detection for URL or domain 2->98 100 14 other signatures 2->100 9 7z6cDuH7Md.exe 48 2->9         started        14 SmartClock.exe 2->14         started        16 SmartClock.exe 2->16         started        18 Helper.exe 2->18         started        process3 dnsIp4 86 fsdvddrttload02.top 185.252.146.49, 49760, 80 SUPERSERVERSDATACENTERRU Russian Federation 9->86 88 leribis02.top 138.124.183.170, 49758, 80 NOKIA-ASFI Norway 9->88 90 moraffdd04.top 138.124.183.171, 49759, 80 NOKIA-ASFI Norway 9->90 80 C:\Users\user\AppData\Local\Temp\File2.exe, PE32 9->80 dropped 82 C:\Users\user\AppData\Local\...\lv[1].exe, PE32 9->82 dropped 108 Detected unpacking (changes PE section rights) 9->108 110 Detected unpacking (overwrites its own PE header) 9->110 112 Tries to harvest and steal browser information (history, passwords, etc) 9->112 20 File2.exe 22 9->20         started        23 cmd.exe 1 9->23         started        114 Hides threads from debuggers 14->114 116 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->116 118 Antivirus detection for dropped file 18->118 file5 signatures6 process7 file8 60 C:\Program Files (x86)\solfer\startver.exe, PE32 20->60 dropped 62 C:\Program Files (x86)\solfer\...\lvlar.exe, PE32 20->62 dropped 64 C:\Program Files (x86)\solfer\4pla.exe, PE32 20->64 dropped 66 2 other files (none is malicious) 20->66 dropped 25 startver.exe 7 20->25         started        29 4pla.exe 4 20->29         started        31 lvlar.exe 19 20->31         started        34 conhost.exe 23->34         started        36 timeout.exe 1 23->36         started        process9 dnsIp10 72 C:\Users\user\AppData\Roaming\...\Helper.exe, PE32+ 25->72 dropped 74 C:\Users\user\AppData\...\SystemCheck.xml, XML 25->74 dropped 76 C:\Users\user\AppData\...\CL_Debug_Log.txt, PE32 25->76 dropped 104 Hides threads from debuggers 25->104 106 Tries to detect sandboxes / dynamic malware analysis system (registry check) 25->106 38 CL_Debug_Log.txt 25->38         started        41 cmd.exe 25->41         started        78 C:\Users\user\AppData\...\SmartClock.exe, PE32 29->78 dropped 43 SmartClock.exe 29->43         started        92 ip-api.com 208.95.112.1 TUT-ASUS United States 31->92 46 cmd.exe 31->46         started        file11 signatures12 process13 file14 68 C:\Users\user\AppData\Local\Temp\64.exe, PE32+ 38->68 dropped 70 C:\Users\user\AppData\Local\Temp\32.exe, PE32 38->70 dropped 48 conhost.exe 38->48         started        50 conhost.exe 41->50         started        52 schtasks.exe 41->52         started        120 Hides threads from debuggers 43->120 122 Tries to detect sandboxes / dynamic malware analysis system (registry check) 43->122 54 wscript.exe 46->54         started        58 conhost.exe 46->58         started        signatures15 process16 dnsIp17 84 iplogger.org 88.99.66.31 HETZNER-ASDE Germany 54->84 102 System process connects to network (likely due to code injection or exploit) 54->102 signatures18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37cb831726dc1877ea59cf5618e4fa224368bbd64a7047dec6fb554a6a17d4c2/
Threat name:
Win32.Trojan.Glupteba
Create hunting rule
Status:
Malicious
First seen:
2020-12-02 14:58:06 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7fygfzg3qmhp2szz5lbrzh2ejbwro6wjjyepxwg7nkuu2qx2tba._file
Verdict:
malicious
Similar samples:
07cf6baf41520d0e97f2010bf76c2ed10509fbf599209ae4bc250eb375515114
CoinMiner
36192aaa605b98f67d88d3712e5eb7ddd8e229766bbae3b2efebdb98f19662ea
CoinMiner
6369b1ed4ab77dfaea18de4beb22c0ca26bd91eae120261c3657f079f88c1790
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6bfb41ac8df840797e06a7da047dd349e7c4dbf75804f4ef2f3a9eb06daa2e38
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a06a77bd973a602f49aff3fa3a116c62d38f0e0c1842e9dca97531a68d1a3884
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a356d92ade4d8d537ea6dfabe765d4cd2ff851faae1d4551b91e50b47aac216f
CoinMiner
b99887f1364955d2872bedadab15a15a51429ec8aeb111859d50e24a9fd31342
CoinMiner
c84d98524bf72eac034a406063c9d25b3bceb254d3d03f1d68e018320c2fb506
CoinMiner
eca5123a9c6fac8fa6d93a9f12ed7009ab816177eeb100e5ff27c3b4ff79d4a2
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f5acccf9cda0f0ff2063de3983bc8964b9020d30feff2e3a8b20800d3c4fe034
CoinMiner
+ 25 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig discovery evasion miner spyware
Link:
https://tria.ge/reports/201202-r3gg35hyr2/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Modifies registry class
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Drops desktop.ini file(s)
JavaScript code in executable
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks BIOS information in registry
Deletes itself
Drops startup file
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of web browsers
Blacklisted process makes network request
Executes dropped EXE
Detected Stratum cryptominer command
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner Payload
xmrig
Unpacked files
SH256 hash:
0e80e70c50a28df279365c7e49078e0a4ece826624521bd571b40e2d1c42b96a
MD5 hash:
514be4e86d8a1e721eed9ab7fb75ce62
SHA1 hash:
e24b1fcfe311db0d2842a13a8f49dc96296ccbf0
Detections:
win_cryptbot_auto
Create hunting rule
Link:
https://www.unpac.me/results/db48a6b9-fc1a-4ef7-8e36-7520f7a239a0/
Parent samples :
07cf6baf41520d0e97f2010bf76c2ed10509fbf599209ae4bc250eb375515114
37cb831726dc1877ea59cf5618e4fa224368bbd64a7047dec6fb554a6a17d4c2
69057a29d94d0ae3e51c435df396178b093d057db5addcdb273dcd5aedc6e1ef
ada1c5359c35e6b70c5a2d5533f9d725f86a1e155c8486bfd2941c9b40478ea2
SH256 hash:
37cb831726dc1877ea59cf5618e4fa224368bbd64a7047dec6fb554a6a17d4c2
MD5 hash:
f855a98d4367685b38e0c961627ef029
SHA1 hash:
f111814ebf9950785a8e932627abfae9c3ec24ef
Link:
https://www.unpac.me/results/db48a6b9-fc1a-4ef7-8e36-7520f7a239a0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/37cb831726dc1877ea59cf5618e4fa224368bbd64a7047dec6fb554a6a17d4c2

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:OlympicDestroyer
Create hunting rule
Author:kevoreilly
Description:OlympicDestroyer Payload
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_cryptbot_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:with_sqlite
Create hunting rule
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information

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

Web download

CoinMiner

Executable exe 37cb831726dc1877ea59cf5618e4fa224368bbd64a7047dec6fb554a6a17d4c2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/879761/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/106410/

Comments