MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 390793d78cd69c1fe1f25d850317a126106853b8322247fef41f2a57e6b23ed9. 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


Kovter


Vendor detections: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 390793d78cd69c1fe1f25d850317a126106853b8322247fef41f2a57e6b23ed9
SHA3-384 hash: 83333647701146a75d47182d4dec05c8c8035ab6ae36566df420b77e48d004abfc429773a8be1389767d908c2ec08449
SHA1 hash: d285e24614e1dfe4f13841cdd97264201f038c4e
MD5 hash: c9fc6a6d01a601fbf0432b5fc68d0e35
humanhash: oklahoma-hamper-edward-charlie
File name:390793d78cd69c1fe1f25d850317a126106853b8322247fef41f2a57e6b23ed9
Download: download sample
Signature Kovter
Create hunting rule
File size:369'680 bytes
First seen:2020-11-11 11:37:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d4b94e8ee3f620a89d114b9da4b31873 (90 x GuLoader, 18 x njrat, 9 x RemcosRAT)
ssdeep 6144:ylkrcB2TI8gj5GkM4u1CoxrvB70PpYAeEsL1FileycbbyLI40n9tYIUZSC:y2PIRhIr57imA6L1Zycb+040n9tUZr
TLSH 9074121572D4C42DF9D31AB019A7A6FBD275FB7C0574D6B32B548B2F8930741CA2EA02
Reporter seifreed
Tags:Kovter

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'680
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Adware.Browserio-6725861-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Creating a window
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
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.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/531966
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Creates processes via WMI
Delayed program exit found
Detected unpacking (changes PE section rights)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: MSHTA Spawning Windows Shell
Suspicious powershell command line found
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/390793d78cd69c1fe1f25d850317a126106853b8322247fef41f2a57e6b23ed9/
Threat name:
Win32.Ransomware.NSISRansom
Create hunting rule
Status:
Suspicious
First seen:
2020-11-11 11:43:55 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hedzhv4m22ob7ypslwcqgf5beyigqu5ygirep7xud4vfpzvsh3mq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/201111-nyxvbsvg1s/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Loads dropped DLL
Process spawned unexpected child process
Unpacked files
SH256 hash:
390793d78cd69c1fe1f25d850317a126106853b8322247fef41f2a57e6b23ed9
MD5 hash:
c9fc6a6d01a601fbf0432b5fc68d0e35
SHA1 hash:
d285e24614e1dfe4f13841cdd97264201f038c4e
Link:
https://www.unpac.me/results/aac33d2b-3b3d-42b7-9e7f-d82276575938/
SH256 hash:
a782d05d47256be1311466bc3d33fc283a7c78e8c87ef5ab91e9398221bae21f
MD5 hash:
1903ec3ce353f3b3a12344fdb47f2938
SHA1 hash:
19b19509d7db661b99473694183bca421032a662
Link:
https://www.unpac.me/results/aac33d2b-3b3d-42b7-9e7f-d82276575938/
SH256 hash:
e0bccc836526a5d7ab74c32aed985b184c38f73fd6c11093ab5d72158f8f3efe
MD5 hash:
7888504d012bf2e7ee3be6c76c1fc5ba
SHA1 hash:
4adc975168dd403b2aa437875c95fc373fba24f1
Detections:
win_kovter_auto
Create hunting rule
Link:
https://www.unpac.me/results/aac33d2b-3b3d-42b7-9e7f-d82276575938/
Parent samples :
390793d78cd69c1fe1f25d850317a126106853b8322247fef41f2a57e6b23ed9
384a8272bad1e926177a0791a932a4ad7f60a9cd8f05c0ae3c9ac31932ef2528
06801bb55190871266ca5846aaf7932d1f41813536403f7367c10dbbe3218632
SH256 hash:
e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
MD5 hash:
ee260c45e97b62a5e42f17460d406068
SHA1 hash:
df35f6300a03c4d3d3bd69752574426296b78695
Link:
https://www.unpac.me/results/aac33d2b-3b3d-42b7-9e7f-d82276575938/
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:win_kovter_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

  
Delivery method
Other

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