MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a49266816bb7b05db0c1e9a5a7100a7f70968b335cb19a55fee619f20d27035. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments 1

SHA256 hash: 7a49266816bb7b05db0c1e9a5a7100a7f70968b335cb19a55fee619f20d27035
SHA3-384 hash: f61b84a81c179788b8f745a28779d78b0afa4493a8db3d9e0e9e370066b51e5a3cf5dc17b041708d0212a139f0c7afc2
SHA1 hash: 744baa25812e42ba86d5ab10d5486feb55a3d541
MD5 hash: 2943372a2fb0a4784b5f4e3e4afbec3a
humanhash: pennsylvania-three-island-wisconsin
File name:2943372a2fb0a4784b5f4e3e4afbec3a
Download: download sample
Signature CoinMiner
File size:215'552 bytes
First seen:2024-03-09 04:29:13 UTC
Last seen:2024-03-09 06:41:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f198d8abcbaf81c3dd60f47e8f08fb69 (1 x CoinMiner)
ssdeep 6144:uJ680lKDCBp2i1CrZWMe3lIo5AOJkP3YCL:uSoDCBp2i1X7rXWYCL
TLSH T197248D1178D1C432D472253149F8DBB95A3EB9310BA699EFA7D40F7E8F302C1D631A6A
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:32 CoinMiner exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
364
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
7a49266816bb7b05db0c1e9a5a7100a7f70968b335cb19a55fee619f20d27035.exe
Verdict:
Malicious activity
Analysis date:
2024-03-09 04:37:56 UTC
Tags:
xmrig

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

Behaviour
Searching for the window
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a process with a hidden window
Searching for synchronization primitives
Creating a service
Launching a service
Loading a system driver
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun for a service
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug byovd coinminer fingerprint lolbin lolbin packed rundll32 shell32
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:
evad.mine
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to inject code into remote processes
Found strings related to Crypto-Mining
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1405750 Sample: 66r8pmODVq.exe Startdate: 09/03/2024 Architecture: WINDOWS Score: 100 48 zlonline.oss-cn-shenzhen.aliyuncs.com 2->48 50 time.windows.com 2->50 52 2 other IPs or domains 2->52 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for dropped file 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 6 other signatures 2->62 9 66r8pmODVq.exe 22 2->9         started        14 svchost.exe 2->14         started        16 word.exe 2->16         started        18 7 other processes 2->18 signatures3 process4 dnsIp5 54 zlonline.oss-cn-shenzhen.aliyuncs.com 120.77.167.135, 443, 49701, 49702 CNNIC-ALIBABA-CN-NET-APHangzhouAlibabaAdvertisingCoLtd China 9->54 40 C:\Users\user\AppData\Roaming\xmrig.exe, PE32+ 9->40 dropped 42 C:\Users\user\AppData\Roaming\wwlib.dll, PE32 9->42 dropped 44 C:\Users\user\AppData\Roaming\word.exe, PE32 9->44 dropped 46 5 other malicious files 9->46 dropped 68 Sample is not signed and drops a device driver 9->68 20 word.exe 1 9->20         started        70 Changes security center settings (notifications, updates, antivirus, firewall) 14->70 23 MpCmdRun.exe 2 14->23         started        25 xmrig.exe 1 16->25         started        27 xmrig.exe 1 18->27         started        file6 signatures7 process8 signatures9 64 Contains functionality to inject code into remote processes 20->64 29 xmrig.exe 1 20->29         started        32 conhost.exe 23->32         started        34 conhost.exe 25->34         started        66 Query firmware table information (likely to detect VMs) 27->66 36 conhost.exe 27->36         started        process10 signatures11 72 Antivirus detection for dropped file 29->72 74 Multi AV Scanner detection for dropped file 29->74 76 Query firmware table information (likely to detect VMs) 29->76 78 2 other signatures 29->78 38 conhost.exe 29->38         started        process12
Threat name:
Win32.Trojan.MintZard
Status:
Malicious
First seen:
2024-03-08 01:30:26 UTC
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Unpacked files
SH256 hash:
7a49266816bb7b05db0c1e9a5a7100a7f70968b335cb19a55fee619f20d27035
MD5 hash:
2943372a2fb0a4784b5f4e3e4afbec3a
SHA1 hash:
744baa25812e42ba86d5ab10d5486feb55a3d541
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.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 7a49266816bb7b05db0c1e9a5a7100a7f70968b335cb19a55fee619f20d27035

(this sample)

  
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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
WININET.dll::InternetCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments



Avatar
zbet commented on 2024-03-09 04:29:13 UTC

url : hxxp://23.94.247.42:8655/xmr.exe