MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b0246f1de2f4e3943cf158feac18ace5a46c21ce8ed37b6efcc12114a44329e. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b0246f1de2f4e3943cf158feac18ace5a46c21ce8ed37b6efcc12114a44329e
SHA3-384 hash: 54545677a6edead4113b5dc280465709d25fdbf52375e1a86b0cac3a2b819ce21c19e7262d39c487096f7866ce1e7370
SHA1 hash: 616bf155c48912de14a5441ff25266af7ecb2ea1
MD5 hash: 90bc751cc4c394d571c5345c670d3a50
humanhash: blue-lima-fish-mango
File name:2b0246f1de2f4e3943cf158feac18ace5a46c21ce8ed37b6efcc12114a44329e
Download: download sample
Signature Kovter
Create hunting rule
File size:260'919 bytes
First seen:2020-11-12 14:38:26 UTC
Last seen:2024-07-24 12:34:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 369f3d28138a96673521f3ed260e22c6 (2 x Kovter, 1 x Heodo)
ssdeep 6144:Nya5VWKmoCKdd0F5HkW6EIFrouU7hlFYdn/HpyXwIT:NyawjKnS5bMor9bYFHpyXwM
Threatray 5 similar samples on MalwareBazaar
TLSH AD441232749EF5A5D6D22FB65AF44762E0AEB0089665377E9741F2C2643300C9C26DE2
Reporter seifreed
Tags:Kovter

Intelligence

File Origin
# of uploads :
2
# of downloads :
1'756
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Launching a process
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
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:
Unknown
Detection:
malicious
Classification:
evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/533419
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Creates processes via WMI
Delayed program exit found
Injects a PE file into a foreign processes
Machine Learning detection for sample
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 315814 Sample: fIJ2bumVn0 Startdate: 13/11/2020 Architecture: WINDOWS Score: 92 18 Multi AV Scanner detection for domain / URL 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 3 other signatures 2->24 7 fIJ2bumVn0.exe 2->7         started        10 mshta.exe 19 2->10         started        process3 signatures4 26 Creates processes via WMI 7->26 28 Injects a PE file into a foreign processes 7->28 30 Delayed program exit found 7->30 32 Contains functionality to detect sleep reduction / modifications 7->32 12 fIJ2bumVn0.exe 3 7->12         started        34 Suspicious powershell command line found 10->34 14 powershell.exe 18 10->14         started        process5 process6 16 conhost.exe 14->16         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b0246f1de2f4e3943cf158feac18ace5a46c21ce8ed37b6efcc12114a44329e/
Threat name:
Win32.Trojan.Kovter
Create hunting rule
Status:
Malicious
First seen:
2020-11-12 14:41:41 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmben4o6f5hdsq6pcwh6vqmkzznenqq45dwtpnxpzqjbcssegkpa._file
Verdict:
malicious
Similar samples:
21621ac382cc4b809513ccc6f859f4c12f049e8ac6d9e7edd41cd950278f463f
Kovter
384a8272bad1e926177a0791a932a4ad7f60a9cd8f05c0ae3c9ac31932ef2528
Kovter
64baa604001b64764cb7aae4019abc73929ea59965fba733871e5e17377b1b84
Kovter
7c5159e4f3a2f206d7eac9a4d6fec1ff16e0bc85b1d2879757383709c297ae1b
Kovter
f5be23df0cfd529674c9939bf11e4d0f61693f898cf989e7b7acf62202c0874e
Kovter
Result
Malware family:
n/a
Score:
  10/10
Tags:
upx
Link:
https://tria.ge/reports/201112-1csyj5jjss/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Suspicious use of SetThreadContext
Process spawned unexpected child process
Unpacked files
SH256 hash:
2b0246f1de2f4e3943cf158feac18ace5a46c21ce8ed37b6efcc12114a44329e
MD5 hash:
90bc751cc4c394d571c5345c670d3a50
SHA1 hash:
616bf155c48912de14a5441ff25266af7ecb2ea1
Link:
https://www.unpac.me/results/de3b0079-8eec-45d2-9833-2bb667cbc459/
SH256 hash:
50980538f2ed4d3b7b2dd4881993f038e29c1f15adc7d32331cecbb4aa4c574a
MD5 hash:
03414b43e516909c4ca8fd964b2ca5f2
SHA1 hash:
f66be3cbee68e7244d38544a5288c8faf5df85eb
Link:
https://www.unpac.me/results/de3b0079-8eec-45d2-9833-2bb667cbc459/
SH256 hash:
2bc73f602f57fdc7844f94a37327df2bfa73eb3482f2216e00e9d989c04bdeb5
MD5 hash:
fc246fde18697c64f58473c031fc362b
SHA1 hash:
acbd862746351912872921327f6d7e0f51906f7f
Detections:
win_kovter_auto
Create hunting rule
Link:
https://www.unpac.me/results/de3b0079-8eec-45d2-9833-2bb667cbc459/
Parent samples :
7c5159e4f3a2f206d7eac9a4d6fec1ff16e0bc85b1d2879757383709c297ae1b
2b0246f1de2f4e3943cf158feac18ace5a46c21ce8ed37b6efcc12114a44329e
d585331cf73902613cb67f42a4abbed947272dbbdcaa12586b12a0b421160fdb
0f57fcea577dd96f1974a14c2156f3f17ab8facf2587b018969072dffdcccee8
b2e580936468414e204e9da4fd5c0b2b5719c3a6af5bb2796d29e061cfa872cc
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:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
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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