MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 386c57582b7d542de1d6164de34cfea4706fc6418a14c69eb246feca2711003e. 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 1 File information Comments

SHA256 hash: 386c57582b7d542de1d6164de34cfea4706fc6418a14c69eb246feca2711003e
SHA3-384 hash: 01195d4b5ffb074274610092942629996cff31283caf1b8e3cabd421e4a3f529101d196506f70a044fd60a8217b92e66
SHA1 hash: 55eeb4c6d10e5dcdeb44b250b287bb7f062534e2
MD5 hash: 6d478e1c67cf16723de2cb550316875e
humanhash: lactose-network-hot-six
File name:browser_assistant.exe
Download: download sample
Signature CoinMiner
File size:5'893'421 bytes
First seen:2022-10-09 06:25:00 UTC
Last seen:2022-10-09 07:02:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1e92fd54d65284238a0e3b74b2715062 (21 x Empyrean, 4 x Gh0stRAT, 4 x Telemiris)
ssdeep 98304:3q4BKpzoLLJ3TbwaVvrZE0I8LrKI8F/Vtt1mIi3pRN8D8cXu21Tb08DFscqNCSsW:3qqK9onJ5hrZEK3e9tGPqKmTb0+FscoK
Threatray 91 similar samples on MalwareBazaar
TLSH T143563349737128F6EFB6803944D68665E7F2B4120B11CA9F0BB403A64FABBD16D7B701
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter JAMESWT_WT
Tags:afterburner-msi CoinMiner exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
350
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://fermia.online/MSIAfterburner.msi
Verdict:
Malicious activity
Analysis date:
2022-10-09 06:23:14 UTC
Tags:
loader trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed
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.
Result
Threat name:
Crypto Miner, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to a pastebin service (likely for C&C)
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected Crypto Miner
Yara detected RUNPE
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 718990 Sample: browser_assistant.exe Startdate: 09/10/2022 Architecture: WINDOWS Score: 100 41 pastebin.com 2->41 51 Snort IDS alert for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 5 other signatures 2->57 8 browser_assistant.exe 18 2->8         started        11 svchost.exe 2->11         started        14 svchost.exe 3 2->14         started        16 7 other processes 2->16 signatures3 process4 file5 33 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 8->33 dropped 35 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 8->35 dropped 37 C:\Users\user\AppData\Local\...\python37.dll, PE32+ 8->37 dropped 39 13 other files (none is malicious) 8->39 dropped 18 browser_assistant.exe 14 7 8->18         started        71 Changes security center settings (notifications, updates, antivirus, firewall) 11->71 23 MpCmdRun.exe 1 11->23         started        73 Query firmware table information (likely to detect VMs) 14->73 signatures6 process7 dnsIp8 43 raw.githubusercontent.com 185.199.111.133, 443, 49703, 49704 FASTLYUS Netherlands 18->43 45 pastebin.com 104.20.67.143, 443, 49702 CLOUDFLARENETUS United States 18->45 31 C:\Users\user\AppData\Roaming\...\WR64.sys, PE32+ 18->31 dropped 59 Injects code into the Windows Explorer (explorer.exe) 18->59 61 Writes to foreign memory regions 18->61 63 Modifies the context of a thread in another process (thread injection) 18->63 65 2 other signatures 18->65 25 explorer.exe 18->25         started        29 conhost.exe 23->29         started        file9 signatures10 process11 dnsIp12 47 45.87.0.89, 49706, 80 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Netherlands 25->47 49 xmr.2miners.com 51.89.96.41, 13333, 49705 OVHFR France 25->49 67 System process connects to network (likely due to code injection or exploit) 25->67 69 Query firmware table information (likely to detect VMs) 25->69 signatures13
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig miner pyinstaller
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
XMRig Miner payload
xmrig
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
386c57582b7d542de1d6164de34cfea4706fc6418a14c69eb246feca2711003e
MD5 hash:
6d478e1c67cf16723de2cb550316875e
SHA1 hash:
55eeb4c6d10e5dcdeb44b250b287bb7f062534e2
Please note that we are no longer able to provide a coverage score for Virus Total.

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:PyInstaller
Author:@bartblaze
Description:Identifies executable converted using PyInstaller.

File information


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

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