MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a51d50f42494c6ab6027dbd35f8861bdd6fe1551f5fb30bf10138619f4bc4b2. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 2a51d50f42494c6ab6027dbd35f8861bdd6fe1551f5fb30bf10138619f4bc4b2
SHA3-384 hash: cf270b6d6f8703f2b2192ccffe46438cf519a15622443f58b92272b08c6c092eb0bf38f9064134012c3cfa38b7883976
SHA1 hash: fe844380280463b927b9368f9eace55eb97baab7
MD5 hash: 025ebe0a476fe1a27749e6da0eea724f
humanhash: mirror-ceiling-zebra-asparagus
File name:file
Download: download sample
Signature CoinMiner
File size:10'902'016 bytes
First seen:2024-08-22 10:45:44 UTC
Last seen:2024-09-06 14:23:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3fac356340f08f787f93cbf317f090cd (13 x CoinMiner)
ssdeep 196608:+Oix0DABAAtXftiAf6xz1Z5PVm6Gcj+TqnC6fOaSz/n2EgfY0gEMtw1:QOcXfC7bE9fjCfY0gg
TLSH T1CDB633C63993527CC47231343512479422F07DAEC5EC4B3F3ADAF9293AF0E1A9D4A56A
TrID 33.6% (.EXE) OS/2 Executable (generic) (2029/13)
33.1% (.EXE) Generic Win/DOS Executable (2002/3)
33.1% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon fcdcf4d4c4c4c4c4 (10 x CoinMiner)
Reporter Bitsight
Tags:CoinMiner exe


Avatar
Bitsight
url: http://147.45.44.104/revada/66c6fcb30b9dd_123p.exe

Intelligence


File Origin
# of uploads :
7
# of downloads :
377
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-22 10:53:33 UTC
Tags:
miner

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
Banker Execution Network Stealth Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a service
Creating a file
Launching a service
Creating a process from a recently created file
Creating a file in the Windows subdirectories
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Connection attempt to an infection source
Loading a system driver
Enabling autorun for a service
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug packed packed vmprotect
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:
spyw.evad.mine
Score:
100 / 100
Signature
AI detected suspicious sample
Found direct / indirect Syscall (likely to bypass EDR)
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Modifies power options to not sleep / hibernate
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
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sigma detected: Disable power options
Sigma detected: Stop EventLog
Sigma detected: Suspect Svchost Activity
Uses powercfg.exe to modify the power settings
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1497336 Sample: file.exe Startdate: 22/08/2024 Architecture: WINDOWS Score: 100 54 pool.hashvault.pro 2->54 58 Malicious sample detected (through community Yara rule) 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 Yara detected Xmrig cryptocurrency miner 2->62 64 4 other signatures 2->64 8 etzpikspwykg.exe 1 2->8         started        12 file.exe 2 2->12         started        signatures3 process4 file5 50 C:\Windows\Temp\cofhaqkdwqvn.sys, PE32+ 8->50 dropped 66 Multi AV Scanner detection for dropped file 8->66 68 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 8->68 70 Found strings related to Crypto-Mining 8->70 78 2 other signatures 8->78 14 svchost.exe 8->14         started        18 powercfg.exe 1 8->18         started        20 powercfg.exe 1 8->20         started        28 3 other processes 8->28 52 C:\ProgramData\...\etzpikspwykg.exe, PE32+ 12->52 dropped 72 Uses powercfg.exe to modify the power settings 12->72 74 Found direct / indirect Syscall (likely to bypass EDR) 12->74 76 Modifies power options to not sleep / hibernate 12->76 22 powercfg.exe 1 12->22         started        24 powercfg.exe 1 12->24         started        26 powercfg.exe 1 12->26         started        30 5 other processes 12->30 signatures6 process7 dnsIp8 56 pool.hashvault.pro 45.76.89.70, 443, 49713 AS-CHOOPAUS United States 14->56 80 Query firmware table information (likely to detect VMs) 14->80 32 conhost.exe 18->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        46 2 other processes 28->46 42 conhost.exe 30->42         started        44 conhost.exe 30->44         started        48 3 other processes 30->48 signatures9 process10
Threat name:
Win64.Trojan.Privateloader
Status:
Malicious
First seen:
2024-08-22 10:46:08 UTC
File Type:
PE+ (Exe)
Extracted files:
17
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig evasion execution miner persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Launches sc.exe
Suspicious use of SetThreadContext
Power Settings
Executes dropped EXE
Loads dropped DLL
Creates new service(s)
Stops running service(s)
XMRig Miner payload
xmrig
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
2a51d50f42494c6ab6027dbd35f8861bdd6fe1551f5fb30bf10138619f4bc4b2
MD5 hash:
025ebe0a476fe1a27749e6da0eea724f
SHA1 hash:
fe844380280463b927b9368f9eace55eb97baab7
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:pe_detect_tls_callbacks

File information


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

Web download

CoinMiner

Executable exe 2a51d50f42494c6ab6027dbd35f8861bdd6fe1551f5fb30bf10138619f4bc4b2

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments