MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec86b00b3f187f93e86711f82043af2ec359861bd60497b53998b0a28bc20d3e. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ec86b00b3f187f93e86711f82043af2ec359861bd60497b53998b0a28bc20d3e
SHA3-384 hash: 7758ccd188924740c2d8f72b79a139268200f93dd65ffae73bd69788f24cb29d8a9f197189b2a2e1e1105bae602af870
SHA1 hash: 31643b42aa8394c3488fb6dde1c150d5bcde4be7
MD5 hash: a2719fcdabfceba2c805e0849f1a0173
humanhash: bravo-mars-winter-sixteen
File name:mapper.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:3'935'232 bytes
First seen:2022-03-05 11:32:08 UTC
Last seen:2022-03-05 13:34:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 84bb1ac192dd1d591766b467b12ade64 (8 x CoinMiner, 5 x DCRat, 2 x RedLineStealer)
ssdeep 49152:sB5KxGSzfgSHXNeWLrb8RKXmXbaQ8Z4LvHY4zlzpxAe9Fajo06hrnKPhIFrkxeDR:sBIrj3NeWLqXbaQk+vHYAk7duK2yuzP
Threatray 16 similar samples on MalwareBazaar
TLSH T1B80633656F0214D5DE5EE4B8227669B072BEF2D63A30168A0638EDFDF6C14F18DE7018
Reporter tech_skeech
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
307
Origin country :
n/a
Vendor Threat Intelligence
Detection:
EnigmaStub
Create hunting rule
Link:
https://www.capesandbox.com/analysis/247525/
Detection(s):
PUA.Win.Packer.EnigmaProtector-19
Create hunting rule

PUA.Win.Packer.EnigmaProtector-1
Create hunting rule

PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file in the %temp% directory
Running batch commands
Launching a process
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created 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.
Malware family:
CoinMiner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/465e1f4e-3caa-42b5-8d12-888543cc7ab2
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/951170
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Potential dropper URLs found in powershell memory
Sample is not signed and drops a device driver
Tries to evade analysis by execution special instruction which cause usermode exception
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected GDRV Vulnerable Kernel Driver
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 583651 Sample: mapper.exe Startdate: 05/03/2022 Architecture: WINDOWS Score: 100 79 store-images.s-microsoft.com 2->79 91 Antivirus / Scanner detection for submitted sample 2->91 93 Multi AV Scanner detection for submitted file 2->93 95 Yara detected GDRV Vulnerable Kernel Driver 2->95 97 5 other signatures 2->97 11 mapper.exe 6 2->11         started        15 services32.exe 2->15         started        signatures3 process4 file5 71 C:\Users\user\AppData\Roaming\conhost_f.exe, PE32+ 11->71 dropped 73 C:\Users\user\AppData\Local\Temp\mapper.exe, PE32+ 11->73 dropped 75 C:\Users\user\AppData\Local\...\drivers.sys, PE32+ 11->75 dropped 77 C:\Users\user\AppData\Local\Temp\Swoof.sys, PE32+ 11->77 dropped 111 Detected unpacking (changes PE section rights) 11->111 113 Sample is not signed and drops a device driver 11->113 115 Tries to evade analysis by execution special instruction which cause usermode exception 11->115 117 Hides threads from debuggers 11->117 17 conhost_f.exe 5 11->17         started        21 mapper.exe 1 11->21         started        119 Antivirus detection for dropped file 15->119 121 Multi AV Scanner detection for dropped file 15->121 123 Machine Learning detection for dropped file 15->123 23 cmd.exe 15->23         started        signatures6 process7 file8 67 C:\Users\user\Windows\services32.exe, PE32+ 17->67 dropped 83 Antivirus detection for dropped file 17->83 85 Multi AV Scanner detection for dropped file 17->85 87 Machine Learning detection for dropped file 17->87 25 cmd.exe 17->25         started        27 cmd.exe 1 17->27         started        30 cmd.exe 17->30         started        32 conhost.exe 21->32         started        89 Encrypted powershell cmdline option found 23->89 34 conhost.exe 23->34         started        36 powershell.exe 23->36         started        38 powershell.exe 23->38         started        signatures9 process10 signatures11 40 services32.exe 25->40         started        43 conhost.exe 25->43         started        107 Encrypted powershell cmdline option found 27->107 109 Uses schtasks.exe or at.exe to add and modify task schedules 27->109 45 powershell.exe 22 27->45         started        47 powershell.exe 18 27->47         started        49 conhost.exe 27->49         started        51 conhost.exe 30->51         started        53 schtasks.exe 30->53         started        process12 file13 69 C:\Users\user\AppData\...\sihost64.exe, PE32+ 40->69 dropped 55 sihost64.exe 40->55         started        58 cmd.exe 40->58         started        process14 signatures15 99 Antivirus detection for dropped file 55->99 101 Multi AV Scanner detection for dropped file 55->101 103 Machine Learning detection for dropped file 55->103 105 Encrypted powershell cmdline option found 58->105 60 powershell.exe 58->60         started        63 conhost.exe 58->63         started        65 powershell.exe 58->65         started        process16 dnsIp17 81 192.168.2.1 unknown unknown 60->81
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec86b00b3f187f93e86711f82043af2ec359861bd60497b53998b0a28bc20d3e/
Threat name:
Win32.Packed.EnigmaProtector
Create hunting rule
Status:
Malicious
First seen:
2022-02-22 09:16:00 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
24 of 27 (88.89%)
Threat level:
  1/5
Verdict:
malicious
Similar samples:
0ba5bc2a4412ad5a9e6c873d77ca59d2650ca6138126737e02f89a0581832ed5
CoinMiner
1660fa277deb0f1afcd706189ecca08930050458121c2a2f42f2dcdeb1cf9c29
CoinMiner
18205615390b3e8e007e8c0d7016978c268697f39ad0f7f2f441fedaf1c01237
CoinMiner
374ec0de5ab31bc54adc80e494194f0070a78839701d19b73b27ca605f05c768
CoinMiner
436b57eb4ebf6768af469abaabbb1de5ef33ee07a87a82e279f98c9a079a2497
CoinMiner
7e1624df0ec310b2766bd7a9a98f05ef1ed576f0f7e0699aee3ecc35ddb03c12
CoinMiner
7f94c21c8bb8b634df7616ec35572439237604fae7e049e1fad38403955996b9
CoinMiner
9ba99ef6e07d224b950b451c6e414e9c12ef7429d8e59d5cd841ffbc3c5369ec
CoinMiner
b03f5bd449dbd6441f14720cd78dc280580a998842675cec12b7d1a840c67932
CoinMiner
c9c79f349ba263858347e2a724368d31fb0a43542bb222c0e36d55198fbf7bfe
CoinMiner
+ 6 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/220305-nnvp2agdg4/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
ec86b00b3f187f93e86711f82043af2ec359861bd60497b53998b0a28bc20d3e
MD5 hash:
a2719fcdabfceba2c805e0849f1a0173
SHA1 hash:
31643b42aa8394c3488fb6dde1c150d5bcde4be7
Link:
https://www.unpac.me/results/f1bf71cb-11c2-4942-b4e1-4c8b7bfb0735/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/ec86b00b3f187f93e86711f82043af2ec359861bd60497b53998b0a28bc20d3e

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:XOREngine_Misc_XOR_Func
Create hunting rule
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information

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

Web download

CoinMiner

Executable exe ec86b00b3f187f93e86711f82043af2ec359861bd60497b53998b0a28bc20d3e

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/247525/

Comments