MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12d596d72a2d7fd14775f191a6d62d39aa5bd33f521d401b695f491461afdc57. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 12d596d72a2d7fd14775f191a6d62d39aa5bd33f521d401b695f491461afdc57
SHA3-384 hash: 125135b90346aaceabe3ff4b728c60aecd30bbdb874db5e7a3d99aad406b0c03af218a24bd9b218f6788484e73480b17
SHA1 hash: 44c4770ad2e1546a8435196a6bb35d54e94bef18
MD5 hash: 2a23a973128a321fd0569d5228ff7a1e
humanhash: dakota-early-arkansas-cup
File name:2023-02-12_2a23a973128a321fd0569d5228ff7a1e_kovter
Download: download sample
Signature Kovter
Create hunting rule
File size:1'204'224 bytes
First seen:2023-02-14 04:57:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:vaSYm5BfDGdDcRfifEBGrrbui47xLHGKdFPH3h/H6U7W:va5m55GFcRfOQGrvuiIxLmKPPH3paUS
Threatray 61 similar samples on MalwareBazaar
TLSH T135455B39F640D637D42618FCDD0FE2D5A579F2302E381957BAE51F4C88B92836A1BA43
TrID 25.8% (.EXE) Win64 Executable (generic) (10523/12/4)
24.6% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
16.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
11.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
Reporter petikvx
Tags:Kovter

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2023-02-12_2a23a973128a321fd0569d5228ff7a1e_kovter
Verdict:
No threats detected
Analysis date:
2023-02-14 05:02:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3a7355d2-f76d-48c5-b540-56e6b4b31b68

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Kovter
Create hunting rule
Link:
https://www.capesandbox.com/analysis/365413/
Detection(s):
PUA.Win.Packer.BorlandDelphi-5
Create hunting rule

PUA.Win.Packer.BorlandDelphi-6
Create hunting rule

PUA.Win.Packer.PrivateExeProte-11
Create hunting rule

Win.Trojan.Kovter-6489152-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
graftor kovter overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63eb14dd46cd3f08710bfc69/reports/91b9a1b7-a2e9-4eae-9501-5cdc0d144acf/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/12d596d72a2d7fd14775f191a6d62d39aa5bd33f521d401b695f491461afdc57
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:
Kovter
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7e326222-e75e-4a70-94b9-d46c6fa26fb3
Result
Threat name:
DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1174076
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected DBatLoader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/12d596d72a2d7fd14775f191a6d62d39aa5bd33f521d401b695f491461afdc57/
Threat name:
Win32.Trojan.Graftor
Create hunting rule
Status:
Malicious
First seen:
2017-06-02 21:51:03 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=clkznvzkfv75cr3v6gi2nvrnhgvfxuz7kiouag3jl5eriynp3rlq._file
Verdict:
malicious
Similar samples:
4defd9f70057e085921215b34a0b170a75f04d5365c060c0eb013e8b1948b4ef
Kovter
55754358ddd26b3c56ca27780dcc408711f8a9fc42b1c9d305d1045146f40f1c
Kovter
58bb3b8b3e4443d5edb01042ada8e7ef38144ce9c5d4e96ce2f0de5a50a9853c
Kovter
60d6993aa5a8afaec167636b1d2231843134714a95cf4137a0cb765e10fd4284
Kovter
618de6ea7c34a83092d90198f6ee88f5c317dcb46d9ea320aec8c5b46ce54824
Kovter
b0b1dffc4817f772584318a9554251d1cb45a6f0955bd4819a387466ed1f347b
Kovter
e0233612d6f430952f891f3ca4d40ae4c825c428691a8bdff7b34f335beda674
Kovter
e7069134552e53173e8d17c8e8e8cef312e3ca448134dfbd345fed37e739e075
Kovter
+ 51 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader
Link:
https://tria.ge/reports/230214-flt2qaah73/
Behaviour
Program crash
Unpacked files
SH256 hash:
12d596d72a2d7fd14775f191a6d62d39aa5bd33f521d401b695f491461afdc57
MD5 hash:
2a23a973128a321fd0569d5228ff7a1e
SHA1 hash:
44c4770ad2e1546a8435196a6bb35d54e94bef18
Detections:
win_kovter_g0
Create hunting rule
Link:
https://www.unpac.me/results/bda1361d-333c-43f3-819f-b12343514124/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/12d596d72a2d7fd14775f191a6d62d39aa5bd33f521d401b695f491461afdc57

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:aPLib_decompression
Create hunting rule
Author:@r3c0nst
Description:Detects aPLib decompression code often used in malware
Reference:https://ibsensoftware.com/files/aPLib-1.1.1.zip
Rule name:Kovter
Create hunting rule
Author:kevoreilly
Description:Kovter Payload
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Win32_Ransomware_Kovter
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects Kovter ransomware.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/365413/

Comments