MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff8f62e6964487e861a3ed16e6cb69438a9a33e2d47c1ebe966aa116b7a82258. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff8f62e6964487e861a3ed16e6cb69438a9a33e2d47c1ebe966aa116b7a82258
SHA3-384 hash: e808d26dbc27e762ed6ff8d8277a1e23b1bb838ebae2e226597bf8fdae48daf46ad3879b9db90883b1c2de560175e9aa
SHA1 hash: fb7d6f7b28b80a48a598742a939f5dc970c7de12
MD5 hash: 99bccb1194d236a1ae0c260feb44f227
humanhash: floor-emma-sixteen-cup
File name:99bccb1194d236a1ae0c260feb44f227.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:5'999'616 bytes
First seen:2021-11-22 13:17:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9bfd2dac39af50555ae9789117b36b66 (19 x CoinMiner, 2 x CoinMiner.XMRig)
ssdeep 49152:cMqR57AaScLGz0cVXi96E1mKPX38sEDdDfrMLVhPkGeUaOmlUnRg8KcMi7JXXjZQ:
Threatray 1'687 similar samples on MalwareBazaar
TLSH T1295633115F8D6DAFC1B88338A46F6F0A1B904FC195EDE0EF52E314C75A6BB41846F819
Reporter abuse_ch
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
99bccb1194d236a1ae0c260feb44f227.exe
Verdict:
No threats detected
Analysis date:
2021-11-23 00:14:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a16f79aa-333e-4ccf-a645-2914366ac2bd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.79899.26201.26837.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Running batch commands
Launching a process
DNS request
Using the Windows Management Instrumentation requests
Creating a file
Creating a file in the Windows subdirectories
Sending an HTTP GET request
Creating a file in the system32 subdirectories
Forced system process termination
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Searching for synchronization primitives
Creating a process with a hidden window
Setting browser functions hooks
Possible injection to a system process
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Enabling autorun by creating a file
Using obfuscated Powershell scripts
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
monero warp
Link:
https://www.filescan.io/uploads/619b988f398e2553d200d23a/reports/a05a6b6f-0e94-4c2a-828f-395a5c72c092/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/265a9ccb-8982-4169-9db4-abb66007857a
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/893840
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Creates a thread in another existing process (thread injection)
Creates files in the system32 config directory
Drops PE files with benign system names
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Found suspicious powershell code related to unpacking or dynamic code loading
Hooks files or directories query functions (used to hide files and directories)
Hooks processes query functions (used to hide processes)
Hooks registry keys query functions (used to hide registry keys)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Potential dropper URLs found in powershell memory
Sample is not signed and drops a device driver
Sigma detected: Suspicious Svchost Process
Sigma detected: Suspicius Add Task From User AppData Temp
Sigma detected: System File Execution Location Anomaly
Uses nslookup.exe to query domains
Uses schtasks.exe or at.exe to add and modify task schedules
Very long command line found
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 526318 Sample: pMpOmYRmEQ.exe Startdate: 22/11/2021 Architecture: WINDOWS Score: 100 97 Malicious sample detected (through community Yara rule) 2->97 99 Multi AV Scanner detection for submitted file 2->99 101 Yara detected Xmrig cryptocurrency miner 2->101 103 11 other signatures 2->103 11 pMpOmYRmEQ.exe 6 2->11         started        15 powershell.exe 2->15         started        17 powershell.exe 20 2->17         started        process3 file4 89 C:\Users\user\AppData\Local\...\services.exe, PE32+ 11->89 dropped 91 C:\Users\...\services.exe:Zone.Identifier, ASCII 11->91 dropped 93 C:\Users\user\AppData\...\pMpOmYRmEQ.exe.log, ASCII 11->93 dropped 137 Uses nslookup.exe to query domains 11->137 139 Writes to foreign memory regions 11->139 141 Allocates memory in foreign processes 11->141 149 2 other signatures 11->149 19 cmd.exe 11->19         started        21 cmd.exe 1 11->21         started        24 cmd.exe 11->24         started        32 2 other processes 11->32 143 Creates files in the system32 config directory 15->143 145 Modifies the context of a thread in another process (thread injection) 15->145 147 Found suspicious powershell code related to unpacking or dynamic code loading 15->147 26 dllhost.exe 15->26         started        28 conhost.exe 15->28         started        30 conhost.exe 17->30         started        signatures5 process6 signatures7 34 services.exe 19->34         started        39 conhost.exe 19->39         started        115 Encrypted powershell cmdline option found 21->115 117 Uses schtasks.exe or at.exe to add and modify task schedules 21->117 41 powershell.exe 18 21->41         started        43 powershell.exe 19 21->43         started        45 conhost.exe 21->45         started        47 conhost.exe 24->47         started        49 schtasks.exe 24->49         started        119 Writes to foreign memory regions 26->119 121 Creates a thread in another existing process (thread injection) 26->121 123 Injects a PE file into a foreign processes 26->123 51 winlogon.exe 26->51 injected 53 5 other processes 26->53 process8 dnsIp9 95 192.168.2.1 unknown unknown 34->95 85 C:\Users\user\AppData\...\sihost64.exe, PE32+ 34->85 dropped 87 C:\Users\user\AppData\Roaming\...\WR64.sys, PE32+ 34->87 dropped 107 Multi AV Scanner detection for dropped file 34->107 109 Uses nslookup.exe to query domains 34->109 111 Writes to foreign memory regions 34->111 113 3 other signatures 34->113 55 sihost64.exe 34->55         started        58 cmd.exe 34->58         started        60 BackgroundTransferHost.exe 34->60         started        62 nslookup.exe 34->62         started        file10 signatures11 process12 signatures13 125 Antivirus detection for dropped file 55->125 127 Uses nslookup.exe to query domains 55->127 129 Writes to foreign memory regions 55->129 133 2 other signatures 55->133 64 nslookup.exe 55->64         started        131 Encrypted powershell cmdline option found 58->131 66 powershell.exe 58->66         started        69 powershell.exe 58->69         started        71 conhost.exe 58->71         started        process14 signatures15 73 cmd.exe 64->73         started        76 conhost.exe 64->76         started        105 Found suspicious powershell code related to unpacking or dynamic code loading 66->105 process16 signatures17 135 Encrypted powershell cmdline option found 73->135 78 powershell.exe 73->78         started        81 powershell.exe 73->81         started        83 conhost.exe 73->83         started        process18 signatures19 151 Found suspicious powershell code related to unpacking or dynamic code loading 78->151
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ff8f62e6964487e861a3ed16e6cb69438a9a33e2d47c1ebe966aa116b7a82258/
Threat name:
Win64.Trojan.Donut
Create hunting rule
Status:
Malicious
First seen:
2021-11-22 01:41:55 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
433b530c8b0a457ae7a863e4a3c70c80b2df4c9497e3d2833351faf2b19dc0ed
CoinMiner
46e01b9491f7ed9a2408278c7dd4b6a3b6c7f9a780f1d07531a1c23bf76f9992
CoinMiner
888497ac8f3cb030dc34d198ef8e307fab6b129f31f4fc9c41ea78f94d831529
CoinMiner
95654525c7022015e1177ff2e8eba84837f6808b6568bccd87af3e55a3c1f481
CoinMiner
a9664b3af0cf7cf434c3ee04d7486b447116358408a603b1c4beb95bca25dfe1
CoinMiner
ac085734d51ca988db79b3078badc4ce24481eee7ef68db8811b1a98d2b3980c
CoinMiner
bc06c918fab5afbb61d15611dedadbc9012cf9e4979e9d3f261a9046c306bb87
CoinMiner
cdf2ed21f6bda94bdebd880cb3e45005de2e714d8f1311f3d38684f103be2f00
CoinMiner
eb639e9d45ed4d4cf911195b7ef53d61897dd8f826c542ae411854ddec3aea87
CoinMiner
+ 1'677 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig evasion miner
Link:
https://tria.ge/reports/211122-qjyx1afefk/
Behaviour
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
XMRig Miner Payload
Modifies security service
Suspicious use of NtCreateProcessExOtherParentProcess
Suspicious use of NtCreateUserProcessOtherParentProcess
xmrig
Unpacked files
SH256 hash:
ff8f62e6964487e861a3ed16e6cb69438a9a33e2d47c1ebe966aa116b7a82258
MD5 hash:
99bccb1194d236a1ae0c260feb44f227
SHA1 hash:
fb7d6f7b28b80a48a598742a939f5dc970c7de12
Link:
https://www.unpac.me/results/c7a7cbbe-257c-477d-b793-8d3ccd859047/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ff8f62e69644/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ff8f62e6964487e861a3ed16e6cb69438a9a33e2d47c1ebe966aa116b7a82258

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Web download

CoinMiner

Executable exe ff8f62e6964487e861a3ed16e6cb69438a9a33e2d47c1ebe966aa116b7a82258

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1803778/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/208168/

Comments