MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 471a997ca348a950bb0d3573f32a3b580b7afbf646c60bffcf0be5be54121901. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 471a997ca348a950bb0d3573f32a3b580b7afbf646c60bffcf0be5be54121901
SHA3-384 hash: 572c5b023fe8e8d28a4657e353f1184a13c7b1446153e2f532ebec4b3b3bb99a9854e15e122ee9a6c05b94161f82425b
SHA1 hash: 806ac9de1d843b645ce4214e4ca8943ae2e3f388
MD5 hash: e5ab46c332b0a356b104c002a316676c
humanhash: oxygen-florida-arizona-september
File name:e5ab46c332b0a356b104c002a316676c
Download: download sample
Signature CoinMiner
Create hunting rule
File size:249'856 bytes
First seen:2021-09-16 22:53:07 UTC
Last seen:2021-09-17 00:04:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e3943c9de1c961a3879de3adbaaa2701 (6 x RaccoonStealer, 3 x ArkeiStealer, 2 x Stop)
ssdeep 6144:Z72USLqCfuAKEfkqsGUemWik5nkFp7xkvCd6skSwG8QUsc:ZMqCfFfbsGZhikA7xkaYSwG81
Threatray 150 similar samples on MalwareBazaar
TLSH T1F4349D34ABA0C038F5B712F855BA93BCA52D7AB15B3490CB52D516EA47386F8DC31387
dhash icon ead8a89cc6a68ee0 (12 x RedLineStealer, 3 x RaccoonStealer, 3 x Smoke Loader)
Reporter zbetcheckin
Tags:32 CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e5ab46c332b0a356b104c002a316676c
Verdict:
Malicious activity
Analysis date:
2021-09-16 22:54:19 UTC
Tags:
trojan tofsee miner
Link:
https://app.any.run/tasks/c69aa700-6a63-4a2b-be31-952ab1fec6d9

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/188510/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.4399.15596.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Moving a file to the system32 subdirectory
Launching a process
Creating a service
Launching a service
Creating a process from a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Sending an HTTP GET request
Connection attempt to an infection source
Enabling autorun for a service
Query of malicious DNS domain
Unauthorized injection to a system process
Deleting of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/617525969a5a1e91c5d206f5/reports/55636bcd-223d-467b-b4ad-d3039fd12350/overview
Malware family:
Tofsee
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f1ba9939-ad72-4823-a120-389f972d6329
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/852395
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the windows firewall
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected Tofsee
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 484826 Sample: lBFXrAB7bC Startdate: 17/09/2021 Architecture: WINDOWS Score: 100 54 microsoft-com.mail.protection.outlook.com 2->54 62 Found malware configuration 2->62 64 Yara detected Tofsee 2->64 66 Sigma detected: Suspect Svchost Activity 2->66 68 6 other signatures 2->68 8 rdpxxixf.exe 2->8         started        11 lBFXrAB7bC.exe 2 2->11         started        14 svchost.exe 2->14         started        16 11 other processes 2->16 signatures3 process4 dnsIp5 74 Detected unpacking (changes PE section rights) 8->74 76 Detected unpacking (overwrites its own PE header) 8->76 78 Writes to foreign memory regions 8->78 86 2 other signatures 8->86 19 svchost.exe 1 8->19         started        23 conhost.exe 8->23         started        50 C:\Users\user\AppData\Local\...\rdpxxixf.exe, PE32 11->50 dropped 80 Uses netsh to modify the Windows network and firewall settings 11->80 82 Modifies the windows firewall 11->82 25 cmd.exe 1 11->25         started        28 netsh.exe 3 11->28         started        30 cmd.exe 2 11->30         started        34 3 other processes 11->34 84 Changes security center settings (notifications, updates, antivirus, firewall) 14->84 32 MpCmdRun.exe 1 14->32         started        52 127.0.0.1 unknown unknown 16->52 file6 signatures7 process8 dnsIp9 56 defeatwax.ru 193.56.146.188, 443, 49737, 49756 LVLT-10753US unknown 19->56 58 microsoft-com.mail.protection.outlook.com 40.93.207.0, 25, 49736 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->58 60 192.168.2.1 unknown unknown 19->60 70 System process connects to network (likely due to code injection or exploit) 19->70 72 Deletes itself after installation 19->72 48 C:\Windows\SysWOW64\...\rdpxxixf.exe (copy), PE32 25->48 dropped 36 conhost.exe 25->36         started        38 conhost.exe 28->38         started        40 conhost.exe 30->40         started        42 conhost.exe 34->42         started        44 conhost.exe 34->44         started        46 conhost.exe 34->46         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/471a997ca348a950bb0d3573f32a3b580b7afbf646c60bffcf0be5be54121901/
Threat name:
Win32.Backdoor.Tofsee
Create hunting rule
Status:
Malicious
First seen:
2021-09-16 22:54:06 UTC
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i4njs7fdjcuvboyngvz7gkr3lafxv67wi3dax76pbps34vasdeaq._file
Verdict:
malicious
Similar samples:
07056777e640806a058f582772f441ff608ff7b1f8bd69d20943acf35b266a2d
CoinMiner
1a233cd70753a0c450148f0df3dc5881ef7b5bc7449a2da7da4bffa7f3d959b4
CoinMiner
1ae374502df9e63ab3d4b3bc2611b0758f97285c3eb49d58713fd654ed9ab756
CoinMiner
700f94a34591e321bba41a65fe6ad2d273d245381a64b8733898804c286ce4a8
CoinMiner
cfcb21c8c129c8c2c525ecfac8bd883260eda6038e3991210765e582007451dd
CoinMiner
e87a5c719ac7af99f1478732889d5df0a275315b42b3b9aecc8b91333bd9c0af
CoinMiner
+ 140 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:tofsee family:xmrig evasion miner persistence trojan
Link:
https://tria.ge/reports/210916-2vjg8sedf3/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Deletes itself
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
XMRig Miner Payload
Tofsee
Windows security bypass
xmrig
Unpacked files
SH256 hash:
167d2a327d3ef71d65ef0bc8e148ce24259bd8261b5d1bdd48a15ff3f58dd6da
MD5 hash:
a2fcec728cf62911fd07c5c5e0bf03e3
SHA1 hash:
529f1c41e1d8cff13032c3a83eb5bdb0641c1e69
Detections:
win_tofsee_w0
Create hunting rule
Link:
https://www.unpac.me/results/04c93690-7ecf-4bb4-9211-199ea7de65a8/
Parent samples :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 hash:
471a997ca348a950bb0d3573f32a3b580b7afbf646c60bffcf0be5be54121901
MD5 hash:
e5ab46c332b0a356b104c002a316676c
SHA1 hash:
806ac9de1d843b645ce4214e4ca8943ae2e3f388
Link:
https://www.unpac.me/results/04c93690-7ecf-4bb4-9211-199ea7de65a8/
Malware family:
XMRIG
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/471a997ca348/report/overview.html
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/471a997ca348a950bb0d3573f32a3b580b7afbf646c60bffcf0be5be54121901

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:MAL_XMR_Miner_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects Monero Crypto Coin Miner
Reference:https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/
Rule name:MAL_XMR_Miner_May19_1_RID2E1B
Create hunting rule
Author:Florian Roth
Description:Detects Monero Crypto Coin Miner
Reference:https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/
Rule name:MINER_monero_mining_detection
Create hunting rule
Author:Christiaan Beek | McAfee ATR Team
Description:Monero mining software
Rule name:win_tofsee_w0
Create hunting rule
Author:akrasuski1
Rule name:XMRIG_Monero_Miner
Create hunting rule
Author:Florian Roth
Description:Detects Monero mining software
Reference:https://github.com/xmrig/xmrig/releases
Rule name:XMRIG_Monero_Miner_RID2DC1
Create hunting rule
Author:Florian Roth
Description:Detects Monero mining software
Reference:https://github.com/xmrig/xmrig/releases

File information

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

Web download

CoinMiner

Executable exe 471a997ca348a950bb0d3573f32a3b580b7afbf646c60bffcf0be5be54121901

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/188510/

Comments


Avatar
zbet commented on 2021-09-16 22:53:08 UTC

url : hxxp://193.56.146.41:9080/a.php