MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49b57d024424267e79102b40cacbdb69c6e92ec41d5443d069da06e4eb083921. 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


Threat unknown


Vendor detections: 6


Intelligence 6 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 49b57d024424267e79102b40cacbdb69c6e92ec41d5443d069da06e4eb083921
SHA3-384 hash: 7032ed08efab5db49a93266ecc40e47ef3461aedd21c3ab2b28e4142b0757c45ebfaa528574ac6fbb5d5ebb4ab051464
SHA1 hash: 3b67af05c83528c15c571c40064e6f392585836a
MD5 hash: b5c1bde381200f4665d83628d7fcb334
humanhash: robin-pluto-carbon-oxygen
File name:b5c1bde381200f4665d83628d7fcb334
Download: download sample
File size:6'321'463 bytes
First seen:2021-06-12 00:57:52 UTC
Last seen:2021-06-12 03:35:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a56f115ee5ef2625bd949acaeec66b76 (53 x Stealc, 48 x PureHVNC, 33 x CoinMiner)
ssdeep 196608:S3en35BPvjy7XBNxqVkOnUI5RZhPqIy/YkRjNcv6EZ:SO3Hnjy7XBvOdzZhPqVFbcvnZ
TLSH DD5633AA25D70C8BCC6A83F3F71617A5D50C57C2E6FCB9B848837F59408D5879303A9A
Reporter zbetcheckin
Tags:exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b5c1bde381200f4665d83628d7fcb334
Verdict:
No threats detected
Analysis date:
2021-06-12 00:58:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9faaf167-1e58-4a19-8250-f18f8aa2882f

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/166207/
Detection(s):
SecuriteInfo.com.Variant.Razy.859975.18720.3567.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Connecting to a cryptocurrency mining pool
Creating a service
Launching a service
Loading a system driver
Searching for analyzing tools
Searching for the window
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %temp% directory
Sending a UDP request
Creating a file in the %AppData% subdirectories
Enabling autorun for a service
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c317cbc5-1213-4deb-bfac-4ebdbdda678e
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/801099
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to a pastebin service (likely for C&C)
Detected unpacking (changes PE section rights)
Drops PE files with benign system names
Found strings related to Crypto-Mining
Hides threads from debuggers
Injects a PE file into a foreign processes
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
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sigma detected: System File Execution Location Anomaly
Sigma detected: Xmrig
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 433495 Sample: rL2F1mjb2l Startdate: 12/06/2021 Architecture: WINDOWS Score: 100 55 Sigma detected: Xmrig 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 6 other signatures 2->61 8 rL2F1mjb2l.exe 7 2->8         started        12 svchost.exe 2->12         started        14 svchost.exe 1 2->14         started        16 9 other processes 2->16 process3 dnsIp4 45 C:\Users\user\AppData\Local\...\Services.exe, PE32+ 8->45 dropped 47 C:\Users\user\AppData\...\rL2F1mjb2l.exe.log, ASCII 8->47 dropped 73 Detected unpacking (changes PE section rights) 8->73 75 Query firmware table information (likely to detect VMs) 8->75 77 Sample is not signed and drops a device driver 8->77 83 3 other signatures 8->83 19 Services.exe 4 8->19         started        23 cmd.exe 1 8->23         started        79 Changes security center settings (notifications, updates, antivirus, firewall) 12->79 25 MpCmdRun.exe 1 12->25         started        81 System process connects to network (likely due to code injection or exploit) 14->81 49 127.0.0.1 unknown unknown 16->49 file5 signatures6 process7 file8 43 C:\Users\user\AppData\Roaming\...\WR64.sys, PE32+ 19->43 dropped 63 Antivirus detection for dropped file 19->63 65 Multi AV Scanner detection for dropped file 19->65 67 Detected unpacking (changes PE section rights) 19->67 71 8 other signatures 19->71 27 svchost.exe 19->27         started        31 cmd.exe 1 19->31         started        69 Uses schtasks.exe or at.exe to add and modify task schedules 23->69 33 conhost.exe 23->33         started        35 schtasks.exe 1 23->35         started        37 conhost.exe 25->37         started        signatures9 process10 dnsIp11 51 pool.hashvault.pro 49.12.130.173, 49731, 80 HETZNER-ASDE Germany 27->51 53 pastebin.com 104.23.99.190, 443, 49730 CLOUDFLARENETUS United States 27->53 85 Query firmware table information (likely to detect VMs) 27->85 39 conhost.exe 31->39         started        41 schtasks.exe 1 31->41         started        signatures12 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/49b57d024424267e79102b40cacbdb69c6e92ec41d5443d069da06e4eb083921/
Threat name:
ByteCode-MSIL.Trojan.Dnoper
Create hunting rule
Status:
Malicious
First seen:
2021-06-11 16:01:32 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig evasion miner themida trojan
Link:
https://tria.ge/reports/210612-1646qazpkn/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Checks BIOS information in registry
Loads dropped DLL
Themida packer
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner Payload
xmrig
Unpacked files
SH256 hash:
49b57d024424267e79102b40cacbdb69c6e92ec41d5443d069da06e4eb083921
MD5 hash:
b5c1bde381200f4665d83628d7fcb334
SHA1 hash:
3b67af05c83528c15c571c40064e6f392585836a
Link:
https://www.unpac.me/results/1feefd11-b915-42c0-8a47-ce507c32d94b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.34
Link:
https://yomi.yoroi.company/submissions/49b57d024424267e79102b40cacbdb69c6e92ec41d5443d069da06e4eb083921

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:INDICATOR_EXE_Packed_Themida
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del

File information

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

Web download

Executable exe 49b57d024424267e79102b40cacbdb69c6e92ec41d5443d069da06e4eb083921

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1355598/
Cape
Cape
https://www.capesandbox.com/analysis/166207/

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