MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b55bf0c98c34bb3ca46a7bb08598ffc1a97c9ad7bb47191cd1280b609322267f. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b55bf0c98c34bb3ca46a7bb08598ffc1a97c9ad7bb47191cd1280b609322267f
SHA3-384 hash: 375d80844fe11829cc2ad0a8c3e88a8b66b6315914c24111e02814235594d3fddd0a2d8bcafe8a68b727212c0270a24a
SHA1 hash: 0d1519e028e96730706ba2f9980b384106ce924e
MD5 hash: 9fa656e46f3e5936261d1c9ea1b4952f
humanhash: uranus-chicken-idaho-lion
File name:9fa656e46f3e5936261d1c9ea1b4952f
Download: download sample
Signature CoinMiner
Create hunting rule
File size:2'241'536 bytes
First seen:2021-08-20 20:10:04 UTC
Last seen:2021-08-20 21:06:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 49152:4Vmoa92mJxZp4VNx75x5nAGkr8LIBqXSwt3MMARzA8A51dUagYu:qqMs4bx18GrIBqiwt8Mr51dzgYu
Threatray 145 similar samples on MalwareBazaar
TLSH T16AA5231C6F8AF49AE8104E796462E9A3473D7FB4B4949B5D30D87E7EB7A9078C400BD0
dhash icon f0d4820ccecef4f8 (7 x AsyncRAT, 6 x XWorm, 5 x CoinMiner)
Reporter zbetcheckin
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9fa656e46f3e5936261d1c9ea1b4952f
Verdict:
No threats detected
Analysis date:
2021-08-20 20:11:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0f2ea886-49a3-406d-afd5-8d5843a0c726

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/181033/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Bsymem.4c.29432.3728.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Creating a process with a hidden window
Creating a file
Creating a process from a recently created file
Creating a file in the %AppData% directory
Sending a UDP request
Creating a file in the %AppData% subdirectories
DNS request
Connecting to a cryptocurrency mining pool
Connection attempt
Sending a custom TCP request
Creating a service
Launching a service
Loading a system driver
Sending an HTTP GET request
Unauthorized injection to a recently created process
Enabling autorun for a service
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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/c3d4001e-e01c-4759-b397-0819074f32bf
Result
Threat name:
BitCoin Miner
Create hunting rule
Detection:
malicious
Classification:
evad.mine
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/836661
Signature
Adds a directory exclusion to Windows Defender
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
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Script Execution From Temp Folder
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected BitCoin Miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 469092 Sample: mG0WZMTDb4 Startdate: 20/08/2021 Architecture: WINDOWS Score: 88 81 Multi AV Scanner detection for submitted file 2->81 83 Yara detected BitCoin Miner 2->83 85 Machine Learning detection for sample 2->85 87 2 other signatures 2->87 10 mG0WZMTDb4.exe 5 2->10         started        14 msedge.exe 2 2->14         started        process3 file4 77 C:\Users\user\AppData\Local\...\svchost64.exe, PE32+ 10->77 dropped 79 C:\Users\user\AppData\...\mG0WZMTDb4.exe.log, ASCII 10->79 dropped 99 Adds a directory exclusion to Windows Defender 10->99 16 cmd.exe 1 10->16         started        18 cmd.exe 1 10->18         started        101 Multi AV Scanner detection for dropped file 14->101 103 Machine Learning detection for dropped file 14->103 21 cmd.exe 1 14->21         started        signatures5 process6 signatures7 23 svchost64.exe 6 16->23         started        27 conhost.exe 16->27         started        89 Uses schtasks.exe or at.exe to add and modify task schedules 18->89 91 Adds a directory exclusion to Windows Defender 18->91 29 powershell.exe 23 18->29         started        31 conhost.exe 18->31         started        39 3 other processes 18->39 33 powershell.exe 21->33         started        35 conhost.exe 21->35         started        37 powershell.exe 21->37         started        41 2 other processes 21->41 process8 file9 73 C:\Users\user\AppData\Roaming\msedge.exe, PE32+ 23->73 dropped 75 C:\Users\user\...\msedge.exe:Zone.Identifier, ASCII 23->75 dropped 95 Multi AV Scanner detection for dropped file 23->95 97 Machine Learning detection for dropped file 23->97 43 msedge.exe 3 23->43         started        46 cmd.exe 1 23->46         started        48 cmd.exe 1 23->48         started        50 MpCmdRun.exe 33->50         started        signatures10 process11 signatures12 105 Adds a directory exclusion to Windows Defender 43->105 52 cmd.exe 1 43->52         started        55 schtasks.exe 1 46->55         started        57 conhost.exe 46->57         started        59 conhost.exe 50->59         started        process13 signatures14 93 Adds a directory exclusion to Windows Defender 52->93 61 powershell.exe 22 52->61         started        63 conhost.exe 52->63         started        65 powershell.exe 52->65         started        71 2 other processes 52->71 67 conhost.exe 55->67         started        69 choice.exe 1 55->69         started        process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b55bf0c98c34bb3ca46a7bb08598ffc1a97c9ad7bb47191cd1280b609322267f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-20 20:10:10 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvn7bsmmgs5tzjdkpoyilgh7yguxzgwxxndrshgrfafwbezcez7q._file
Verdict:
malicious
Similar samples:
03eb4a70bc788ed9cd096d77502ef2f5788e4f3930c3bf5924cead278dc6872d
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2340f7976585cd113520b33eb51c6b57e37c6bad2fba29a48b8c7e8e784a2491
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283473a88217ba51d59c416ec4df9a019df2954d592dafbd60ac9b6df58abd96
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4d04f5f44c21f9ccda28433bddea30ce2fba7a548d7d40a46332e0d2b70079d0
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798b08b53f7a589e8a24d23be077d7d0fe3071079fdd009200f6942ce514d576
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a526e9dae9298bbd03ca2a8fc8a45809eac1543bbec4680182493c551d65f731
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ca30c496c6e9e5f4bec63c03c70fbdb84327121bc2fdd5c8c086e76b0b6dcb1f
CoinMiner
+ 135 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig miner
Link:
https://tria.ge/reports/210820-4s7zd7vtex/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
XMRig Miner Payload
xmrig
Unpacked files
SH256 hash:
b55bf0c98c34bb3ca46a7bb08598ffc1a97c9ad7bb47191cd1280b609322267f
MD5 hash:
9fa656e46f3e5936261d1c9ea1b4952f
SHA1 hash:
0d1519e028e96730706ba2f9980b384106ce924e
Link:
https://www.unpac.me/results/cd2b1e74-8f79-40fd-bf47-8d9409a56168/
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/b55bf0c98c34bb3ca46a7bb08598ffc1a97c9ad7bb47191cd1280b609322267f

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/

File information

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

Web download

CoinMiner

Executable exe b55bf0c98c34bb3ca46a7bb08598ffc1a97c9ad7bb47191cd1280b609322267f

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/181033/
  
URLhaus
https://urlhaus.abuse.ch/url/1549978/

Comments


Avatar
zbet commented on 2021-08-20 20:10:06 UTC

url : hxxp://194.147.142.230/microsoft/deps/msedge.exe