MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2efd657b8548ed31c1551ab409a9ac2fcb9b9fd6f8bb7f1cb6123a7212ab6ed. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2efd657b8548ed31c1551ab409a9ac2fcb9b9fd6f8bb7f1cb6123a7212ab6ed
SHA3-384 hash: bffb9c91907d700da75713d1192706fbf7aeafc483a23117381e874c7da8075cb1be9192f8c9c7765f4519700cfc05a7
SHA1 hash: 64939f5504c12c833c28c9b5cb37e531d34afaa9
MD5 hash: a6cf499e054ce0643dac7934d6d57675
humanhash: louisiana-kilo-oklahoma-low
File name:a6cf499e054ce0643dac7934d6d57675
Download: download sample
Signature CoinMiner
Create hunting rule
File size:33'280 bytes
First seen:2021-09-16 16:54:30 UTC
Last seen:2021-09-16 17:38:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 384:P5RW+ik8DG8gMmx52D3lKcOORle10P5jNXkrAQlhUdVPQxx30XDG+M7AHox3mh:RR78DxmPEKglh5NsAQladVoyG+Mi+mh
Threatray 164 similar samples on MalwareBazaar
TLSH T10BE2E13113A5C464F2BB2F794DB603C9B17F3E789498CAEC90C45325FC89A50DAB39A1
Reporter zbetcheckin
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a6cf499e054ce0643dac7934d6d57675
Verdict:
No threats detected
Analysis date:
2021-09-16 16:56:42 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3559fbd4-3145-48c5-8a55-269a7b312700

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/188487/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.943.5440.17082.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Connecting to a non-recommended domain
Creating a service
Launching a service
Loading a system driver
Enabling autorun for a service
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61752496a9d585e6d53711fe/reports/6a9e4825-af70-497a-a742-2a835ef2995c/overview
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df581c3c-2e91-49a1-8aa7-df90a37102db
Result
Threat name:
BitCoin Miner Xmrig
Create hunting rule
Detection:
malicious
Classification:
evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/852263
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Changes security center settings (notifications, updates, antivirus, firewall)
Detected Stratum mining protocol
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
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
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected BitCoin Miner
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 484690 Sample: tt08hBCPjG Startdate: 16/09/2021 Architecture: WINDOWS Score: 100 71 Sigma detected: Xmrig 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Multi AV Scanner detection for submitted file 2->75 77 6 other signatures 2->77 8 tt08hBCPjG.exe 6 2->8         started        11 winservices.exe 14 5 2->11         started        15 svchost.exe 2->15         started        17 8 other processes 2->17 process3 dnsIp4 49 C:\Users\user\AppData\...\winservices.exe, PE32+ 8->49 dropped 51 C:\Users\...\winservices.exe:Zone.Identifier, ASCII 8->51 dropped 53 C:\Users\user\AppData\...\tt08hBCPjG.exe.log, ASCII 8->53 dropped 19 winservices.exe 5 8->19         started        24 cmd.exe 1 8->24         started        63 sanctam.net 185.65.135.234, 49745, 49746, 58899 ESAB-ASSE Sweden 11->63 65 raw.githubusercontent.com 11->65 67 github.com 11->67 93 Multi AV Scanner detection for dropped file 11->93 95 Machine Learning detection for dropped file 11->95 97 Writes to foreign memory regions 11->97 101 4 other signatures 11->101 26 notepad.exe 11->26         started        28 cmd.exe 1 11->28         started        99 Changes security center settings (notifications, updates, antivirus, firewall) 15->99 69 127.0.0.1 unknown unknown 17->69 file5 signatures6 process7 dnsIp8 55 github.com 140.82.121.4, 443, 49747, 49749 GITHUBUS United States 19->55 57 raw.githubusercontent.com 185.199.108.133, 443, 49748, 49750 FASTLYUS Netherlands 19->57 59 sanctam.net 19->59 47 C:\Users\user\AppData\Roaming\...\WR64.sys, PE32+ 19->47 dropped 79 Writes to foreign memory regions 19->79 81 Allocates memory in foreign processes 19->81 83 Modifies the context of a thread in another process (thread injection) 19->83 85 Injects a PE file into a foreign processes 19->85 30 notepad.exe 19->30         started        33 cmd.exe 1 19->33         started        87 Uses schtasks.exe or at.exe to add and modify task schedules 24->87 35 conhost.exe 24->35         started        37 schtasks.exe 1 24->37         started        61 185.215.113.84, 49752, 49753, 8888 WHOLESALECONNECTIONSNL Portugal 26->61 89 Query firmware table information (likely to detect VMs) 26->89 39 conhost.exe 28->39         started        41 schtasks.exe 1 28->41         started        file9 91 Detected Stratum mining protocol 61->91 signatures10 process11 signatures12 103 System process connects to network (likely due to code injection or exploit) 30->103 105 Query firmware table information (likely to detect VMs) 30->105 43 conhost.exe 33->43         started        45 schtasks.exe 1 33->45         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2efd657b8548ed31c1551ab409a9ac2fcb9b9fd6f8bb7f1cb6123a7212ab6ed/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-15 22:15:23 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ulx5mv5ykshnghavkgvubgu2yl6ltop5n6f3p4olmer2oijkw3wq._file
Verdict:
malicious
Similar samples:
24da5509b70608d8228be77f60df8279bf0b5f92f90b143d72a449db3f659ba6
CoinMiner
5ad7bfb790fc652df60360024af60578790930bb78489aabf352eae3fff103fb
CoinMiner
908b275d6fc2f20e9d04e8609a9d994f7e88a429c3eb0a55d99ca1c681e17ec8
CoinMiner
a5ae0f12308cd01e02c8c75137818f8945f4fba0785f5558c75bff2f20fb7957
CoinMiner
b3c5e36f9aa05f6af9a685e32fe3e979a92ce5c96d5be130e7145b62c3948650
CoinMiner
d9008ee980c17de8330444223b212f1b6a441f217753471c76f5f6ed5857a7d6
CoinMiner
dff9da898a68e7e3f22e992e55d0b45cbe1625b9bf5f4a148e76fe0d6d654696
CoinMiner
ed6d502c7c263fd9bd28324f68b287aea158203d0c5154ca07a9bcd059aa2980
CoinMiner
ff1ddb96f4984d4ed65016ca7814432d51a08fe090fae4907e85926469e880da
CoinMiner
+ 154 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig miner
Link:
https://tria.ge/reports/210916-ve41nsdgf4/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
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:
a2efd657b8548ed31c1551ab409a9ac2fcb9b9fd6f8bb7f1cb6123a7212ab6ed
MD5 hash:
a6cf499e054ce0643dac7934d6d57675
SHA1 hash:
64939f5504c12c833c28c9b5cb37e531d34afaa9
Link:
https://www.unpac.me/results/c9bbd81e-a0c3-47f9-88f6-5b3a47d2760b/
Malware family:
XMRIG
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a2efd657b854/report/overview.html
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/a2efd657b8548ed31c1551ab409a9ac2fcb9b9fd6f8bb7f1cb6123a7212ab6ed

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/

File information

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

Web download

CoinMiner

Executable exe a2efd657b8548ed31c1551ab409a9ac2fcb9b9fd6f8bb7f1cb6123a7212ab6ed

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/188487/
  
URLhaus
https://urlhaus.abuse.ch/url/1625345/

Comments


Avatar
zbet commented on 2021-09-16 16:54:31 UTC

url : hxxp://185.215.113.84/getxmr.exe