MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cdb8a234c896df8b45ee7bc0d69ecdaec0bfce73cacdb376048bcd3abb85a75d. 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 1 YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cdb8a234c896df8b45ee7bc0d69ecdaec0bfce73cacdb376048bcd3abb85a75d
SHA3-384 hash: 9da83429e56fdf41a5acbf0ba206711413475a3a455bbd5b01f1a18f34fe9a56385194b6aa835877401f50c9dbd13232
SHA1 hash: 99d1cde9116b8b4be8a714af70dd816595114a87
MD5 hash: 107451aaebbc9464f0e3377e7545504a
humanhash: utah-eight-ack-romeo
File name:tc.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:4'481'536 bytes
First seen:2021-11-15 18:49:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 98304:AjH3QXyiGAVpH1lpxehjv+x6D7x93itOBhvAdtcGediKZMYE9DrLJ5:Aj3QX+AVpVLefP3i0odtcyKZg9DPz
TLSH T1C3263389A6A2D211D0F85072C4D7036F0B850F838E7794873D293B5D1FFB6928796E9E
File icon (PE):PE icon
dhash icon 0ef1e49c9692e0b0 (1 x CoinMiner)
Reporter tech_skeech
Tags:CoinMiner.XMRig exe RedLineStealer

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
136.144.41.189:12208 https://threatfox.abuse.ch/ioc/248261/

Intelligence

File Origin
# of uploads :
1
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Detection:
CoinMiner02
Create hunting rule
Link:
https://www.capesandbox.com/analysis/205997/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
DNS request
Launching a process
Creating a window
Launching a service
Creating a file in the %temp% directory
Creating a process from a recently created file
Enabling the 'hidden' option for recently created files
Launching the default Windows debugger (dwwin.exe)
Enabling the 'hidden' option for files in the %temp% directory
Searching for the window
Searching for the Windows task manager window
Creating a file in the %AppData% subdirectories
Creating a process with a hidden window
Sending a UDP request
Creating a file in the %AppData% directory
Running batch commands
Connection attempt
Sending an HTTP POST request
Sending a custom TCP request
Deleting a recently created file
Reading critical registry keys
Using the Windows Management Instrumentation requests
Connecting to a cryptocurrency mining pool
Creating a service
Loading a system driver
Unauthorized injection to a recently created process
Blocking the User Account Control
Stealing user critical data
Enabling autorun for a service
Enabling a "Do not show hidden files" option
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
bladabindi packed razy
Link:
https://www.filescan.io/uploads/6192abdedec3347825a55dc9/reports/acd946e7-19ff-4be5-9d55-0a8020db6879/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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e82e1261-d820-47f5-ae5b-1c8dcd14062d
Result
Threat name:
RedLine Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/889963
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (overwrites its own PE header)
Drops PE files with benign system names
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Potential dropper URLs found in powershell memory
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)
Sigma detected: Schedule system process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
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 dynamic DNS services
Uses known network protocols on non-standard ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected RedLine Stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 522432 Sample: tc.exe Startdate: 16/11/2021 Architecture: WINDOWS Score: 100 67 127.0.0.1 unknown unknown 2->67 69 pool.supportxmr.com 2->69 71 pool-fr.supportxmr.com 2->71 89 Antivirus / Scanner detection for submitted sample 2->89 91 Multi AV Scanner detection for dropped file 2->91 93 Multi AV Scanner detection for submitted file 2->93 95 12 other signatures 2->95 10 tc.exe 6 2->10         started        13 svchost.exe 4 2->13         started        15 svchost.exe 1 2->15         started        signatures3 process4 file5 57 C:\Users\user\AppData\Local\Temp\Cefuc.exe, PE32 10->57 dropped 59 C:\Users\user\AppData\Local\Temp\Cdwki.exe, PE32 10->59 dropped 61 C:\Users\user\AppData\Local\...\tc.exe.log, ASCII 10->61 dropped 17 Cdwki.exe 7 10->17         started        21 Cefuc.exe 4 10->21         started        23 WerFault.exe 13->23         started        process6 file7 51 C:\Users\user\Downloads\JavaUpdate.exe, PE32+ 17->51 dropped 53 C:\Users\user\AppData\Local\...\dllhost.exe, PE32 17->53 dropped 55 C:\Users\user\AppData\...\JavaSheduler.exe, PE32 17->55 dropped 79 Antivirus detection for dropped file 17->79 81 Multi AV Scanner detection for dropped file 17->81 83 Detected unpacking (overwrites its own PE header) 17->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->85 25 dllhost.exe 15 32 17->25         started        29 JavaSheduler.exe 17->29         started        32 JavaUpdate.exe 5 17->32         started        87 Machine Learning detection for dropped file 21->87 34 WerFault.exe 23 9 21->34         started        36 conhost.exe 21->36         started        signatures8 process9 dnsIp10 73 dontreachme.duckdns.org 136.144.41.189, 12208, 49768, 49792 WORLDSTREAMNL Netherlands 25->73 75 192.168.2.1 unknown unknown 25->75 77 api.ip.sb 25->77 97 Antivirus detection for dropped file 25->97 99 System process connects to network (likely due to code injection or exploit) 25->99 101 Multi AV Scanner detection for dropped file 25->101 109 4 other signatures 25->109 38 conhost.exe 25->38         started        63 C:\Users\user\AppData\Roaming\...\smss.exe, PE32 29->63 dropped 103 Uses schtasks.exe or at.exe to add and modify task schedules 29->103 105 Drops PE files with benign system names 29->105 107 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 29->107 40 schtasks.exe 29->40         started        65 C:\Users\user\Microsoft\services.exe, PE32+ 32->65 dropped 42 cmd.exe 32->42         started        file11 signatures12 process13 signatures14 45 conhost.exe 40->45         started        111 Encrypted powershell cmdline option found 42->111 47 conhost.exe 42->47         started        49 powershell.exe 42->49         started        process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cdb8a234c896df8b45ee7bc0d69ecdaec0bfce73cacdb376048bcd3abb85a75d/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-11-15 18:50:06 UTC
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zw4kengis3pywrpoppannhwnv3al7tttzlg3g5qerpgtvo4fu5oq._file
Verdict:
malicious
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:redline family:xmrig discovery evasion infostealer miner spyware stealer trojan
Link:
https://tria.ge/reports/211115-xgx19abbg9/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: SetClipboardViewer
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
XMRig Miner Payload
RedLine
RedLine Payload
UAC bypass
xmrig
Unpacked files
SH256 hash:
58bf6d4db80009df3b5f9967d54575f459087100498eab59a7b13f5aa44d1e6d
MD5 hash:
541ebd27434e01ef36fb17fbb197565b
SHA1 hash:
3313d0e2bff470b4c2c6200a881ffd75054d5763
Link:
https://www.unpac.me/results/c7d5340a-f7bc-4bea-ad1e-0410e5f0677c/
SH256 hash:
f6f92927f5a3032e9d044479470f3e8d12cc6987aad70c0bce06541b557ee9dd
MD5 hash:
f5e6c83db1cb3b3506424d63fad36798
SHA1 hash:
8757faff0bc0d318a75a3aa15f46a4e88edd8330
Link:
https://www.unpac.me/results/c7d5340a-f7bc-4bea-ad1e-0410e5f0677c/
SH256 hash:
12d2a92de5d6e2e31c65fcc4d31ebc0242e1e47e96522d2094933b0ac7a524e9
MD5 hash:
bfabb4e783179cc57854378a15fde018
SHA1 hash:
81f696fa502cdecac1d2ef8d3bb0fabe73fb805d
Link:
https://www.unpac.me/results/c7d5340a-f7bc-4bea-ad1e-0410e5f0677c/
SH256 hash:
0da9fd34d122db7737e8748fd3ca6b2f7a9606e52bb0168efc3c64cf2e2c4d44
MD5 hash:
80099430fb50d4c31c7ce28e2cb0fef5
SHA1 hash:
1fbaa22a5d6c76ee2d6645ec922fc449ade78581
Link:
https://www.unpac.me/results/c7d5340a-f7bc-4bea-ad1e-0410e5f0677c/
SH256 hash:
7aed3b3b00a3ccb3b07e2a0f593331c078a38504fe799401aa6827d09b8e74df
MD5 hash:
74a3ee4404e4eb328cd193e71affadd5
SHA1 hash:
84d05b7d7ece113584b043af8aa4ead86e1e5510
Link:
https://www.unpac.me/results/c7d5340a-f7bc-4bea-ad1e-0410e5f0677c/
SH256 hash:
cdb8a234c896df8b45ee7bc0d69ecdaec0bfce73cacdb376048bcd3abb85a75d
MD5 hash:
107451aaebbc9464f0e3377e7545504a
SHA1 hash:
99d1cde9116b8b4be8a714af70dd816595114a87
Link:
https://www.unpac.me/results/c7d5340a-f7bc-4bea-ad1e-0410e5f0677c/
Malware family:
RedLine
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/cdb8a234c896/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/cdb8a234c896df8b45ee7bc0d69ecdaec0bfce73cacdb376048bcd3abb85a75d

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:MALWARE_Win_CoinMiner02
Create hunting rule
Author:ditekSHen
Description:Detects coinmining malware
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:Netwalker
Create hunting rule
Author:Marius 'f0wL' Genheimer <hello@dissectingmalwa.re>
Description:Detects Netwalker Ransomware
Reference:https://github.com/f0wl/configwalker
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:rig_win64_xmrig_6_13_1_xmrig
Create hunting rule
Author:yarGen Rule Generator
Description:rig_win64 - file xmrig.exe
Reference:https://github.com/Neo23x0/yarGen
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:XOREngine_Misc_XOR_Func
Create hunting rule
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 cdb8a234c896df8b45ee7bc0d69ecdaec0bfce73cacdb376048bcd3abb85a75d

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/205997/

Comments