MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1f99084d5ea462b4d7bc7d47d3171b20e642dbb511a76bc9dbd22873d7bec667. 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: 7
| SHA256 hash: | 1f99084d5ea462b4d7bc7d47d3171b20e642dbb511a76bc9dbd22873d7bec667 |
|---|---|
| SHA3-384 hash: | 9b7287cf23ba653a3dff8a778b8c22b4d7f325cc60c5825c96d2ed88543cf46dd197a77a6cd9a3989a1df3f5eb961c8d |
| SHA1 hash: | bf8cc8d78e08ab8acd1afee1f22d4a04b366a152 |
| MD5 hash: | 305b2a9963d91d8b26e3da907e5b0a38 |
| humanhash: | violet-pennsylvania-thirteen-nevada |
| File name: | 305b2a9963d91d8b26e3da907e5b0a38 |
| Download: | download sample |
| Signature | CoinMiner |
| File size: | 2'752'528 bytes |
| First seen: | 2021-11-19 08:39:39 UTC |
| Last seen: | 2021-11-19 10:35:21 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 62887e1cbeeea4bcc9666b312e1861a8 (1 x CoinMiner) |
| ssdeep | 49152:lLwa9YyCCL2tOezOzuiSSyr+bvocIVnw+uSJeh+RbMCPbNIo4YtXavm:yOYy5KOezOzuJHrAvoBdw+ch+RpIo4qL |
| Threatray | 9'388 similar samples on MalwareBazaar |
| TLSH | T157D53383F0CC829AD85C4DBE69A1C6658F0061A47FA217F23F7F68D65F4B43A9C84395 |
| Reporter |  zbetcheckin |
| Tags: | 32 CoinMiner exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
305b2a9963d91d8b26e3da907e5b0a38
Verdict:
Malicious activity
Analysis date:
2021-11-19 08:52:54 UTC
Tags:
opendir
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for analyzing tools
Searching for the window
Creating a file
Сreating synchronization primitives
Sending an HTTP POST request
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Creating a window
Sending an HTTP GET request
Launching a process
Creating a service
Delayed reading of the file
Creating a process from a recently created file
DNS request
Creating a file in the %temp% directory
Searching for synchronization primitives
Connecting to a cryptocurrency mining pool
Sending a custom TCP request
Launching a service
Loading a system driver
Creating a file in the Windows subdirectories
Enabling autorun for a service
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
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.
Verdict:
Malicious
Result
Threat name:
Xmrig
Detection:
malicious
Classification:
evad.mine
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
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 contains section with special chars
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sigma detected: Powershell Defender Exclusion
Sigma detected: Windows Crypto Mining Indicators
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Verdict:
malicious
Similar samples:
+ 9'378 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Score:
10/10
Tags:
family:xmrig bootkit evasion miner persistence trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Writes to the Master Boot Record (MBR)
Checks BIOS information in registry
Creates new service(s)
Downloads MZ/PE file
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner Payload
xmrig
Unpacked files
SH256 hash:
86ffd39f8c53924a25935a4e1667487c2a63c7c8313e4d4f6bb13a9ac742db3b
MD5 hash:
021ec3cc05e073e136aa1d19e199b77c
SHA1 hash:
f386c2997fd05878ee3bb9638550deed6e2cf296
SH256 hash:
1f99084d5ea462b4d7bc7d47d3171b20e642dbb511a76bc9dbd22873d7bec667
MD5 hash:
305b2a9963d91d8b26e3da907e5b0a38
SHA1 hash:
bf8cc8d78e08ab8acd1afee1f22d4a04b366a152
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.14
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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