MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffb1e6c2921b1f86e5061f2ad55dd0b613da3b8abba2877b4db8aa351fbaed28. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ffb1e6c2921b1f86e5061f2ad55dd0b613da3b8abba2877b4db8aa351fbaed28
SHA3-384 hash: d6715cc12118799883a9e6a4e606ae378e71352e2b581570bad1f8f0207dbf7918c2da8dd3d89839d998df69f8859c62
SHA1 hash: c8f30f0a2d9e465714e8ddbfddbb865879789009
MD5 hash: 7c07266496fcba5f280ec57d5aab3905
humanhash: lion-east-nitrogen-artist
File name:RVN.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:11'766'272 bytes
First seen:2022-06-10 08:31:00 UTC
Last seen:2022-06-10 09:50:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0dc6c5e06e22bd9f0c79c55ec1c09b01 (4 x CoinMiner)
ssdeep 196608:LuU/09UHASZds3J5hFpCyuuN3ArHd/OPYpTd8QhrgEyp:L90iHASX+DAyuo3AdOPYp6QhE
Threatray 168 similar samples on MalwareBazaar
TLSH T11FC633260AAFAD5BDC83FD3D4F11CE0B89F20D220A5745A275D63C25B7B1183B5522EB
TrID 50.8% (.EXE) Win32 EXE PECompact compressed (v2.x) (59069/9/14)
35.7% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
4.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
1.7% (.EXE) OS/2 Executable (generic) (2029/13)
dhash icon 8eb2c096b080c28c (8 x CoinMiner, 2 x Downloader.Upatre, 1 x SystemBC)
Reporter obfusor
Tags:CoinMiner exe miner

Intelligence

File Origin
# of uploads :
2
# of downloads :
759
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RVN.exe
Verdict:
No threats detected
Analysis date:
2022-06-10 09:38:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/57fc9837-93bb-45aa-931e-6d04cc5d512b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/278610/
Detection(s):
PUA.Win.Packer.PECompact-2
Create hunting rule

PUA.Win.Packer.Pecompact-68
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Creating a file in the Windows subdirectories
DNS request
Sending an HTTP GET request
Creating a service
Launching a service
Creating a process from a recently created file
Creating a file in the Windows directory
Loading a system driver
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a file
Sending a custom TCP request
Launching a process
Modifying a system file
Deleting a recently created file
Launching the default Windows debugger (dwwin.exe)
Enabling autorun for a service
Moving of the original file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a3015df944eda443fd4674/reports/0973fd86-2d38-4120-b812-74164bdf8ca8/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:
KRBanker
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9f0a58de-abde-4293-ae16-1037ae2a19c9
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1010680
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the startup folder
Found strings related to Crypto-Mining
Hides threads from debuggers
Machine Learning detection for dropped file
Moves itself to temp directory
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
PE file contains section with special chars
PE file has a writeable .text section
Performs DNS TXT record lookups
Tries to detect debuggers (CloseHandle check)
Tries to detect virtualization through RDTSC time measurements
Tries to evade analysis by execution special instruction (VM detection)
Uses known network protocols on non-standard ports
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 643176 Sample: RVN.exe Startdate: 10/06/2022 Architecture: WINDOWS Score: 100 70 lhr.nbminer.com 2->70 82 Antivirus detection for dropped file 2->82 84 Antivirus / Scanner detection for submitted sample 2->84 86 Multi AV Scanner detection for dropped file 2->86 88 9 other signatures 2->88 9 NVIDIAContainer.exe 1 2->9         started        14 RVN.exe 16 2->14         started        16 svchost.exe 4 2->16         started        18 6 other processes 2->18 signatures3 process4 dnsIp5 76 lhr.nbminer.com 9->76 58 C:\Windows\xNPbVsvt.dat, PE32+ 9->58 dropped 108 Antivirus detection for dropped file 9->108 110 Multi AV Scanner detection for dropped file 9->110 112 Machine Learning detection for dropped file 9->112 114 Tries to detect virtualization through RDTSC time measurements 9->114 20 cmd.exe 1 9->20         started        22 cmd.exe 9->22         started        24 cmd.exe 9->24         started        34 2 other processes 9->34 78 lianjie666.ddns.me 119.96.97.235, 49769, 49770, 49771 CHINATELECOM-HUBEI-IDCCHINANETHubeiprovincenetworkCN China 14->78 60 C:\Windows\SysWOW64\RVN\start.exe, PE32 14->60 dropped 62 C:\Windows\SysWOW64\RVN\nbminer.exe, PE32+ 14->62 dropped 64 C:\Windows\SysWOW64\RVN64VIDIAContainer.exe, PE32 14->64 dropped 66 C:\Users\user\...\install_wim_tweak.exe, PE32 14->66 dropped 116 Detected unpacking (changes PE section rights) 14->116 118 Moves itself to temp directory 14->118 120 Drops executables to the windows directory (C:\Windows) and starts them 14->120 27 start.exe 2 1 14->27         started        30 cmd.exe 1 14->30         started        32 WerFault.exe 16->32         started        80 127.0.0.1 unknown unknown 18->80 file6 signatures7 process8 file9 36 nbminer.exe 1 20->36         started        40 conhost.exe 20->40         started        42 nbminer.exe 1 22->42         started        44 conhost.exe 22->44         started        102 Drops executables to the windows directory (C:\Windows) and starts them 24->102 46 nbminer.exe 24->46         started        48 conhost.exe 24->48         started        68 C:\ProgramData\Microsoft\...\start.exe, PE32 27->68 dropped 104 Machine Learning detection for dropped file 27->104 106 Drops PE files to the startup folder 27->106 50 install_wim_tweak.exe 1 30->50         started        52 2 other processes 30->52 54 2 other processes 34->54 signatures10 process11 dnsIp12 72 lhr.nbminer.com 36->72 90 Antivirus detection for dropped file 36->90 92 Multi AV Scanner detection for dropped file 36->92 94 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 36->94 96 Tries to evade analysis by execution special instruction (VM detection) 36->96 74 lhr.nbminer.com 42->74 98 Tries to detect debuggers (CloseHandle check) 42->98 100 Hides threads from debuggers 42->100 56 WerFault.exe 50->56         started        signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ffb1e6c2921b1f86e5061f2ad55dd0b613da3b8abba2877b4db8aa351fbaed28/
Threat name:
Win32.Trojan.Strictor
Create hunting rule
Status:
Malicious
First seen:
2022-06-10 08:36:47 UTC
File Type:
PE (Exe)
Extracted files:
306
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=76y6nqusdmpynzigd4vnkxoqwyj5uo4kxorio62nxcvdkh525uua._file
Verdict:
malicious
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CoinMiner
+ 158 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
bootkit persistence
Link:
https://tria.ge/reports/220610-keqg6shcbk/
Behaviour
Modifies data under HKEY_USERS
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Writes to the Master Boot Record (MBR)
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
c56d86af09a7244f40495a5d592e62f9c6576835bc2ae9ae5b30066a71faaa02
MD5 hash:
d7287bba6858dd2afdafb8cfacd0b6f4
SHA1 hash:
e83ecb17281576d9a01ebc6ae99fba8d0fe68748
Link:
https://www.unpac.me/results/8ba147f6-1915-46d8-bb9c-e179cbfc954b/
SH256 hash:
afbf22880d0129f8b11b1a5876f175c874f52c8572cb5c4beda3c528241a8e6c
MD5 hash:
ba352663c76c86c10a8d5c7b7a47f3c5
SHA1 hash:
61337aec0dad3d993f862a2d6499a185cbe46431
Link:
https://www.unpac.me/results/8ba147f6-1915-46d8-bb9c-e179cbfc954b/
SH256 hash:
ffb1e6c2921b1f86e5061f2ad55dd0b613da3b8abba2877b4db8aa351fbaed28
MD5 hash:
7c07266496fcba5f280ec57d5aab3905
SHA1 hash:
c8f30f0a2d9e465714e8ddbfddbb865879789009
Link:
https://www.unpac.me/results/8ba147f6-1915-46d8-bb9c-e179cbfc954b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ffb1e6c2921b1f86e5061f2ad55dd0b613da3b8abba2877b4db8aa351fbaed28

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/278610/

Comments