MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c53364e68c93eac3f3135721a2e28441af61ca6499a1f3ca5cdd8dcff37e5108. 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: 9


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

SHA256 hash: c53364e68c93eac3f3135721a2e28441af61ca6499a1f3ca5cdd8dcff37e5108
SHA3-384 hash: e3b777f544fd1572c2adbbeb5e2f4b8b83b70ffe751b91eeff5265352659139c7d7d3cd0a6989c2dc3d88c9794430138
SHA1 hash: 8e46da9d8910e134e9b2efbcb7b4967fb2d30c60
MD5 hash: dc3f42acd6b7ea216e7e661736c01db6
humanhash: fanta-beer-idaho-blossom
File name:Xribexcv.exe
Download: download sample
File size:962'560 bytes
First seen:2022-06-29 21:00:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:jk8Lb26ms7zJMsvdz71fC8EP0RXUrB6KMqk4s:jkwb2zgVmsRS4
Threatray 1'663 similar samples on MalwareBazaar
TLSH T16C2523E3BE976F82D6D1D4318005B3E442B17D988A638DFBE56277CD99B12FA408D324
TrID 63.5% (.EXE) Win64 Executable (generic) (10523/12/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 9269c296964c68ca
Reporter TeamDreier
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/284400/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
evasive obfuscated packed
Link:
https://www.filescan.io/uploads/62bcbdd4b0578633c8b1a144/reports/52c02123-cae8-4b59-84f5-87c302557b82/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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e0244f19-1db4-489d-98bb-a06efb60c50e
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1022205
Signature
.NET source code contains potential unpacker
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 654701 Sample: Xribexcv.exe Startdate: 29/06/2022 Architecture: WINDOWS Score: 100 31 64.89.4.0.in-addr.arpa 2->31 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 .NET source code contains potential unpacker 2->41 43 2 other signatures 2->43 8 Xribexcv.exe 1 5 2->8         started        12 Gwsdmqi.exe 2->12         started        14 Gwsdmqi.exe 2->14         started        signatures3 process4 file5 25 C:\Users\user\AppData\Roaming\...behaviorgraphwsdmqi.exe, PE32+ 8->25 dropped 27 C:\Users\user\...behaviorgraphwsdmqi.exe:Zone.Identifier, ASCII 8->27 dropped 29 C:\Users\user\AppData\...\Xribexcv.exe.log, ASCII 8->29 dropped 45 Writes to foreign memory regions 8->45 47 Modifies the context of a thread in another process (thread injection) 8->47 49 Injects a PE file into a foreign processes 8->49 16 InstallUtil.exe 2 8->16         started        19 cmd.exe 1 8->19         started        51 Multi AV Scanner detection for dropped file 12->51 53 Machine Learning detection for dropped file 12->53 signatures6 process7 signatures8 33 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 16->33 35 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->35 21 conhost.exe 19->21         started        23 timeout.exe 1 19->23         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c53364e68c93eac3f3135721a2e28441af61ca6499a1f3ca5cdd8dcff37e5108/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-06-25 01:03:03 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
20
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yuzwjzumspvmh4ytk4q2fyueigxwdstetgq7hss43wg47436keea._file
Verdict:
malicious
Similar samples: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 1'653 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection persistence
Link:
https://tria.ge/reports/220629-ztvsrschdj/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Unpacked files
SH256 hash:
c53364e68c93eac3f3135721a2e28441af61ca6499a1f3ca5cdd8dcff37e5108
MD5 hash:
dc3f42acd6b7ea216e7e661736c01db6
SHA1 hash:
8e46da9d8910e134e9b2efbcb7b4967fb2d30c60
Link:
https://www.unpac.me/results/37764fe3-3ad0-4551-9b40-545ed9f7b4f9/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c53364e68c93/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/c53364e68c93eac3f3135721a2e28441af61ca6499a1f3ca5cdd8dcff37e5108

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_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly

File information

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

Malspam

Executable exe c53364e68c93eac3f3135721a2e28441af61ca6499a1f3ca5cdd8dcff37e5108

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/284400/

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