MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25c62b72f0555d7ebf9397ec0c8d124942be1b4cedd6848c0c0a8f4a63dc7741. 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 4 File information Comments

SHA256 hash: 25c62b72f0555d7ebf9397ec0c8d124942be1b4cedd6848c0c0a8f4a63dc7741
SHA3-384 hash: 7aeae9ca922994d9743c250acca2b282f0842fa7302959ecb0cc884d9c4c27d72bff0b16839469c350cb12cdff381162
SHA1 hash: 1a4ddebb2bc930d7cae95bff9c65efc1a7cb0731
MD5 hash: dd6f7bf709e88a0db7ec86483c803778
humanhash: eighteen-mississippi-neptune-florida
File name:file
Download: download sample
Signature CoinMiner
File size:12'288 bytes
First seen:2022-09-05 13:42:42 UTC
Last seen:2022-09-07 09:43:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 192:PLgZV9CLPN0LkkJUMmYVY2vq32WrUzaadrq8uSF3e:jgVCLPN0oeUMme3C33rUzJUSFu
TLSH T1C8420B28B7A84256CC1A477F8C73CF802734BD56E562DF4D1CA4F1526D323448AA27F9
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 14e8d8b2b8e4e6d9 (2 x CoinMiner, 1 x StormKitty)
Reporter andretavare5
Tags:CoinMiner exe


Avatar
andretavare5
Sample downloaded from https://vk.com/doc572676066_644207353?hash=OuM26IaTKoXSbiwcYi3Z8mXfxDkKL3woD7YtVqBhZJw&dl=GU3TENRXGYYDMNQ:1662382856:gC9ewBe9ieZYWOCt2Ojw84L9paPJMj8bzkKuGJPuHkk&api=1&no_preview=1#aa14

Intelligence


File Origin
# of uploads :
19
# of downloads :
445
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-09-05 13:44:15 UTC
Tags:
opendir

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

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file
Searching for the window
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Downloading the file
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.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: Powershell Download and Execute IEX
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 697679 Sample: file.exe Startdate: 05/09/2022 Architecture: WINDOWS Score: 76 19 microsoftdownload.ddns.net 2->19 21 68.227.1.0.in-addr.arpa 2->21 25 Malicious sample detected (through community Yara rule) 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Sigma detected: Powershell Download and Execute IEX 2->29 31 3 other signatures 2->31 8 file.exe 5 2->8         started        signatures3 process4 process5 10 powershell.exe 14 17 8->10         started        13 conhost.exe 8->13         started        dnsIp6 23 microsoftdownload.ddns.net 178.33.182.67, 49707, 49746, 49747 OVHFR France 10->23 15 powershell.exe 27 10->15         started        17 powershell.exe 10->17         started        process7
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Status:
Malicious
First seen:
2022-09-05 13:43:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Legitimate hosting services abused for malware hosting/C2
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Malware Config
Dropper Extraction:
http://microsoftdownload.ddns.net:8808/downloader/WinSecurityUpdate
Unpacked files
SH256 hash:
25c62b72f0555d7ebf9397ec0c8d124942be1b4cedd6848c0c0a8f4a63dc7741
MD5 hash:
dd6f7bf709e88a0db7ec86483c803778
SHA1 hash:
1a4ddebb2bc930d7cae95bff9c65efc1a7cb0731
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:BlackGuard_Rule
Author:Jiho Kim
Description:Yara rule for BlackGuarad Stealer v1.0 - v3.0
Reference:https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

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