MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f84c1b53daf8279593ae9a9f6d8590ceb488318ce70a09bf25bfbf494398a83c. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f84c1b53daf8279593ae9a9f6d8590ceb488318ce70a09bf25bfbf494398a83c
SHA3-384 hash: 3794ad7130017fcef6b2adc47a3f60a480e893321cdb75f55629b5dad49ce4fb016f5338a69fae223a03fc3e9eec1061
SHA1 hash: eaaf20b6f990a93713ad60e8acc6673961b8f5a4
MD5 hash: 657855a3c401277ebdb5a7185d1c2eb1
humanhash: juliet-missouri-ten-cat
File name:657855a3c401277ebdb5a7185d1c2eb1.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:240'128 bytes
First seen:2021-08-25 18:13:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:eF2c91ncDyX3/araLgRAKDdFCBo46LtnrDseBRAOizpRaD+S6dOl/d0jWLDyk:+2mcDs/au0RVM2hrhi9R6+ST/d0
Threatray 1'268 similar samples on MalwareBazaar
TLSH T1E8349DDD2AFFC998F8945D7BFDF2369B2836B2931A0D112C5809805D0C663E8C949B77
Reporter abuse_ch
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
657855a3c401277ebdb5a7185d1c2eb1.exe
Verdict:
Malicious activity
Analysis date:
2021-08-25 18:14:44 UTC
Tags:
evasion stealer
Link:
https://app.any.run/tasks/69aef5c9-3a20-4119-af0f-a811493c0534

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/182396/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Launching a process
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Unauthorized injection to a system process
Malware family:
Mokes
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c1451a83-81d7-46cd-a268-2340809ff56b
Result
Threat name:
RedLine Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/839298
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
Connects to a pastebin service (likely for C&C)
Detected unpacking (changes PE section rights)
DNS related to crypt mining pools
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Performs DNS queries to domains with low reputation
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sigma detected: Xmrig
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected RedLine Stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 471736 Sample: rZdD5KLl5N.exe Startdate: 25/08/2021 Architecture: WINDOWS Score: 100 112 Sigma detected: Xmrig 2->112 114 Malicious sample detected (through community Yara rule) 2->114 116 Antivirus detection for URL or domain 2->116 118 15 other signatures 2->118 9 rZdD5KLl5N.exe 4 2->9         started        12 services64.exe 4 2->12         started        14 svchost.exe 2->14         started        16 2 other processes 2->16 process3 file4 72 C:\Users\user\AppData\...\JoBrowserSet 4.exe, PE32 9->72 dropped 74 C:\Users\user\AppData\Local\...\Chrome4.exe, PE32+ 9->74 dropped 76 C:\Users\user\AppData\...\rZdD5KLl5N.exe.log, ASCII 9->76 dropped 18 Chrome4.exe 5 9->18         started        23 JoBrowserSet 4.exe 15 7 9->23         started        78 C:\Users\user\AppData\Roaming\...\WR64.sys, PE32+ 12->78 dropped 25 cmd.exe 12->25         started        process5 dnsIp6 84 192.168.2.1 unknown unknown 18->84 64 C:\Users\user\AppData\...\services64.exe, PE32+ 18->64 dropped 120 Multi AV Scanner detection for dropped file 18->120 122 Machine Learning detection for dropped file 18->122 27 services64.exe 14 7 18->27         started        32 cmd.exe 1 18->32         started        86 2no.co 88.99.66.31, 443, 49723, 49724 HETZNER-ASDE Germany 23->86 88 webboutiquestudio.xyz 104.21.60.65, 443, 49720 CLOUDFLARENETUS United States 23->88 90 your-info-services.xyz 23->90 66 C:\Users\user\AppData\Roaming\7810776.exe, PE32 23->66 dropped 68 C:\Users\user\AppData\Roaming\2122727.exe, PE32 23->68 dropped 70 C:\Users\user\AppData\Roaming\1284680.exe, PE32 23->70 dropped 34 7810776.exe 23->34         started        36 2122727.exe 23->36         started        38 1284680.exe 23->38         started        40 conhost.exe 25->40         started        42 schtasks.exe 25->42         started        file7 signatures8 process9 dnsIp10 92 sanctam.net 185.247.226.70, 49721, 58899 FLOKINETSC Romania 27->92 94 bitbucket.org 104.192.141.1, 443, 49722 AMAZON-02US United States 27->94 80 C:\Users\user\AppData\...\sihost64.exe, PE32+ 27->80 dropped 124 Multi AV Scanner detection for dropped file 27->124 126 Injects code into the Windows Explorer (explorer.exe) 27->126 128 Writes to foreign memory regions 27->128 144 4 other signatures 27->144 44 explorer.exe 27->44         started        48 sihost64.exe 27->48         started        50 cmd.exe 27->50         started        130 Uses schtasks.exe or at.exe to add and modify task schedules 32->130 52 conhost.exe 32->52         started        54 schtasks.exe 1 32->54         started        96 185.177.125.94, 49730, 80 WORLDSTREAMNL Netherlands 34->96 98 api.ip.sb 34->98 132 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 34->132 134 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 34->134 136 Tries to harvest and steal browser information (history, passwords, etc) 34->136 138 Tries to steal Crypto Currency Wallets 34->138 56 conhost.exe 34->56         started        82 C:\Users\user\AppData\...\WinHoster.exe, PE32 36->82 dropped 140 Detected unpacking (changes PE section rights) 36->140 58 WinHoster.exe 36->58         started        100 businessdirectory2.xyz 38->100 102 104.21.74.190, 443, 49729 CLOUDFLARENETUS United States 38->102 104 businessdirectory2.xyz 172.67.162.94, 443 CLOUDFLARENETUS United States 38->104 142 Performs DNS queries to domains with low reputation 38->142 file11 signatures12 process13 dnsIp14 106 xmr-eu2.nanopool.org 44->106 108 51.255.34.79, 14433, 49734 OVHFR France 44->108 110 pastebin.com 104.23.98.190, 443, 49727 CLOUDFLARENETUS United States 44->110 146 System process connects to network (likely due to code injection or exploit) 44->146 148 Query firmware table information (likely to detect VMs) 44->148 60 conhost.exe 50->60         started        62 schtasks.exe 50->62         started        150 Multi AV Scanner detection for dropped file 58->150 152 Detected unpacking (changes PE section rights) 58->152 signatures15 154 Performs DNS queries to domains with low reputation 106->154 156 Connects to a pastebin service (likely for C&C) 106->156 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f84c1b53daf8279593ae9a9f6d8590ceb488318ce70a09bf25bfbf494398a83c/
Threat name:
ByteCode-MSIL.Backdoor.Mokes
Create hunting rule
Status:
Malicious
First seen:
2021-08-25 16:54:52 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7bgbwu627atzle5otkpw3bmqz22iqmmm44fatpzfx67usq4yva6a._file
Verdict:
malicious
Similar samples:
283473a88217ba51d59c416ec4df9a019df2954d592dafbd60ac9b6df58abd96
CoinMiner
33a236fd56543bf3915e16cfffb3c6a4b0f92c9ba444744339e3bcc10f285d61
CoinMiner
4d04f5f44c21f9ccda28433bddea30ce2fba7a548d7d40a46332e0d2b70079d0
CoinMiner
798b08b53f7a589e8a24d23be077d7d0fe3071079fdd009200f6942ce514d576
CoinMiner
a526e9dae9298bbd03ca2a8fc8a45809eac1543bbec4680182493c551d65f731
CoinMiner
ca30c496c6e9e5f4bec63c03c70fbdb84327121bc2fdd5c8c086e76b0b6dcb1f
CoinMiner
ef25bb229ec8ca7d7b2e3d4e23036b74bdc8b9154bb4c5b532e7ea2a0a7c8ee6
CoinMiner
+ 1'258 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:redline family:xmrig discovery infostealer miner persistence spyware stealer
Link:
https://tria.ge/reports/210825-gzmq68zsw6/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
XMRig Miner Payload
RedLine
RedLine Payload
xmrig
Unpacked files
SH256 hash:
501a96ee5fad39b3148c60a59e50d409110faf8be68f089898443c427b91f765
MD5 hash:
1f755b7e45ad2318b398b1d6063cf3d9
SHA1 hash:
506410db7943b5f2a0657b2e1dd385070acda92e
Link:
https://www.unpac.me/results/90cb53ff-102f-4c48-8a90-ea20193e7cbb/
SH256 hash:
f84c1b53daf8279593ae9a9f6d8590ceb488318ce70a09bf25bfbf494398a83c
MD5 hash:
657855a3c401277ebdb5a7185d1c2eb1
SHA1 hash:
eaaf20b6f990a93713ad60e8acc6673961b8f5a4
Link:
https://www.unpac.me/results/90cb53ff-102f-4c48-8a90-ea20193e7cbb/
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/f84c1b53daf8279593ae9a9f6d8590ceb488318ce70a09bf25bfbf494398a83c

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

CoinMiner

Executable exe f84c1b53daf8279593ae9a9f6d8590ceb488318ce70a09bf25bfbf494398a83c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1536090/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/182396/

Comments