MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7554a7609cf9428545460211a203ed575173798679198a502fe847bff3cc044. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments 1

SHA256 hash: c7554a7609cf9428545460211a203ed575173798679198a502fe847bff3cc044
SHA3-384 hash: 3ad2e31f2887054d146211a233a82444f62d70359a5a802aa3a5f22c18e09fac6e2afae42c816510163c832401670db0
SHA1 hash: d0616bd78860f77cbbec1a9742f486013035dddf
MD5 hash: 9d8b99c6c2f4e5079af1bfdf43ee518f
humanhash: steak-mockingbird-apart-fillet
File name:9d8b99c6c2f4e5079af1bfdf43ee518f
Download: download sample
Signature CoinMiner
File size:3'233'104 bytes
First seen:2023-03-03 20:08:13 UTC
Last seen:2023-03-03 21:27:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 49152:HsuHxWDzWk0lsyC6EZvfeTBl52qVQV7xW:D
Threatray 13 similar samples on MalwareBazaar
TLSH T1FBE5ADF04A92BE81D7EB1D6480DC3A804D9C2B578BDDC248B9CC1956DAE5790FECC6B1
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 00ba92b2babac4c0 (2 x PureCrypter, 1 x CoinMiner, 1 x zgRAT)
Reporter zbetcheckin
Tags:CoinMiner exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
315
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9d8b99c6c2f4e5079af1bfdf43ee518f
Verdict:
Malicious activity
Analysis date:
2023-03-03 20:13:27 UTC
Tags:
n/a

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

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed
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:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 819755 Sample: efoVa9xk8z.exe Startdate: 03/03/2023 Architecture: WINDOWS Score: 100 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected zgRAT 2->32 34 3 other signatures 2->34 7 efoVa9xk8z.exe 4 2->7         started        11 efoVa9xk8z.exe 3 2->11         started        process3 file4 24 C:\Users\user\AppData\...\efoVa9xk8z.exe.log, CSV 7->24 dropped 36 Encrypted powershell cmdline option found 7->36 38 Modifies the context of a thread in another process (thread injection) 7->38 40 Injects a PE file into a foreign processes 7->40 13 efoVa9xk8z.exe 3 7->13         started        16 powershell.exe 16 7->16         started        42 Multi AV Scanner detection for dropped file 11->42 44 Machine Learning detection for dropped file 11->44 18 powershell.exe 11->18         started        signatures5 process6 file7 26 C:\Users\user\AppData\...\efoVa9xk8z.exe, PE32+ 13->26 dropped 20 conhost.exe 16->20         started        22 conhost.exe 18->22         started        process8
Threat name:
ByteCode-MSIL.Trojan.Heracles
Status:
Malicious
First seen:
2023-03-03 20:36:40 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
9
AV detection:
15 of 25 (60.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig miner
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
XMRig Miner payload
xmrig
Unpacked files
SH256 hash:
c7554a7609cf9428545460211a203ed575173798679198a502fe847bff3cc044
MD5 hash:
9d8b99c6c2f4e5079af1bfdf43ee518f
SHA1 hash:
d0616bd78860f77cbbec1a9742f486013035dddf
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_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:MALWARE_Win_zgRAT
Author:ditekSHen
Description:Detects zgRAT
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

Web download

CoinMiner

Executable exe c7554a7609cf9428545460211a203ed575173798679198a502fe847bff3cc044

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-03-03 20:08:18 UTC

url : hxxp://79.137.204.58/uac.exe