MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b57f69913740f87b3c6321c7e0a36be68b6a9769b755b444820c2d1a841198fa. 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 2 File information Comments

SHA256 hash: b57f69913740f87b3c6321c7e0a36be68b6a9769b755b444820c2d1a841198fa
SHA3-384 hash: b42d10ef3eb37a2324ce26e3a3efe3d0af058946f63d45f93c09016211f6a6ef2bf2b40ecdae5a629524d81bcfea0906
SHA1 hash: e3050f013a3fea55f8403ef79c3477ad4c7c0069
MD5 hash: 4b436dcaedc9087d301c8f6bf6f77922
humanhash: single-lemon-august-foxtrot
File name:SecuriteInfo.com.Trojan.GenericKDZ.80635.6430.1717
Download: download sample
Signature CoinMiner
File size:5'301'248 bytes
First seen:2021-12-06 04:30:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b8ba55866bfe7b49b97c43084c1885db (25 x CoinMiner)
ssdeep 98304:zjnEGPu8ujONGmsd5kSwJ/vID0JdtcQDlr75LrSbpjFQ52yYSa:z+vONRsI3s0JFBSbViMSa
Threatray 34 similar samples on MalwareBazaar
TLSH T17A36335AA84CA5D6DC86F0BAA4BF906FDBF31337FAFA45935310956E978E84114CF002
Reporter SecuriteInfoCom
Tags:CoinMiner exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Setup.exe
Verdict:
Malicious activity
Analysis date:
2021-12-03 10:30:37 UTC
Tags:
evasion trojan loader rat redline stealer vidar

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
DNS request
Creating a process from a recently created file
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
BitCoin Miner
Detection:
malicious
Classification:
evad.mine
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates a thread in another existing process (thread injection)
Detected unpacking (changes PE section rights)
Drops executables to the windows directory (C:\Windows) and starts them
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 has nameless sections
Sigma detected: Conti Backup Database
Sigma detected: Disable or Delete Windows Eventlog
Sigma detected: Powershell Defender Exclusion
Sigma detected: PowerShell SAM Copy
Sigma detected: Suspicious PowerShell Invocations - Generic
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected BitCoin Miner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 534414 Sample: SecuriteInfo.com.Trojan.Gen... Startdate: 06/12/2021 Architecture: WINDOWS Score: 100 82 Antivirus / Scanner detection for submitted sample 2->82 84 Multi AV Scanner detection for submitted file 2->84 86 Yara detected BitCoin Miner 2->86 88 7 other signatures 2->88 11 SecuriteInfo.com.Trojan.GenericKDZ.80635.6430.exe 2->11         started        14 services32.exe 2->14         started        process3 signatures4 108 Detected unpacking (changes PE section rights) 11->108 110 Writes to foreign memory regions 11->110 112 Allocates memory in foreign processes 11->112 120 2 other signatures 11->120 16 conhost.exe 5 11->16         started        114 Antivirus detection for dropped file 14->114 116 Multi AV Scanner detection for dropped file 14->116 118 Machine Learning detection for dropped file 14->118 20 conhost.exe 5 14->20         started        process5 file6 64 C:\Windows\System32\services32.exe, PE32+ 16->64 dropped 66 C:\Windows\...\services32.exe:Zone.Identifier, ASCII 16->66 dropped 70 Adds a directory exclusion to Windows Defender 16->70 22 cmd.exe 1 16->22         started        25 cmd.exe 1 16->25         started        27 cmd.exe 1 16->27         started        68 C:\Windows\System32\...\sihost32.exe, PE32+ 20->68 dropped 72 Drops executables to the windows directory (C:\Windows) and starts them 20->72 29 sihost32.exe 20->29         started        31 cmd.exe 1 20->31         started        signatures7 process8 signatures9 92 Drops executables to the windows directory (C:\Windows) and starts them 22->92 33 services32.exe 22->33         started        36 conhost.exe 22->36         started        94 Uses schtasks.exe or at.exe to add and modify task schedules 25->94 96 Adds a directory exclusion to Windows Defender 25->96 38 powershell.exe 21 25->38         started        40 powershell.exe 20 25->40         started        42 conhost.exe 25->42         started        44 conhost.exe 27->44         started        46 schtasks.exe 1 27->46         started        98 Multi AV Scanner detection for dropped file 29->98 100 Writes to foreign memory regions 29->100 102 Allocates memory in foreign processes 29->102 104 Creates a thread in another existing process (thread injection) 29->104 48 conhost.exe 29->48         started        50 3 other processes 31->50 process10 signatures11 74 Writes to foreign memory regions 33->74 76 Allocates memory in foreign processes 33->76 78 Hides threads from debuggers 33->78 80 Creates a thread in another existing process (thread injection) 33->80 52 conhost.exe 33->52         started        process12 signatures13 90 Adds a directory exclusion to Windows Defender 52->90 55 cmd.exe 52->55         started        process14 signatures15 106 Adds a directory exclusion to Windows Defender 55->106 58 conhost.exe 55->58         started        60 powershell.exe 55->60         started        62 powershell.exe 55->62         started        process16
Threat name:
Win64.Trojan.Donut
Status:
Malicious
First seen:
2021-12-01 17:46:00 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
25 of 45 (55.56%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
b57f69913740f87b3c6321c7e0a36be68b6a9769b755b444820c2d1a841198fa
MD5 hash:
4b436dcaedc9087d301c8f6bf6f77922
SHA1 hash:
e3050f013a3fea55f8403ef79c3477ad4c7c0069
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:EnigmaStub
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:XOREngine_Misc_XOR_Func
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information


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

Web download

CoinMiner

Executable exe b57f69913740f87b3c6321c7e0a36be68b6a9769b755b444820c2d1a841198fa

(this sample)

  
Delivery method
Distributed via web download

Comments