MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef41d62dadb36c9f3eec74500f82a6694ebe728a1fedc2bc7120b925e8b831fb. 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


DarkVNC


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef41d62dadb36c9f3eec74500f82a6694ebe728a1fedc2bc7120b925e8b831fb
SHA3-384 hash: e5a7a7b7ad77988440e4de92b2f1c84ac7becd9bd3e6e366164b601dbac56c0f149800bc5a6c7be131668ad0c04c9ffd
SHA1 hash: d88d6ce051aae36fc154ba73bcb3a5c6ad393848
MD5 hash: 4e7e81192cdefc3d49e3ef94ea719fb5
humanhash: red-purple-mars-grey
File name:4e7e81192cdefc3d49e3ef94ea719fb5.exe
Download: download sample
Signature DarkVNC
Create hunting rule
File size:1'191'424 bytes
First seen:2021-07-07 15:49:11 UTC
Last seen:2021-07-07 16:52:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f0bfc1cc0e395e0b7ca1dd0906a94aca (1 x DarkVNC, 1 x RedLineStealer, 1 x Stop)
ssdeep 24576:ISS5ZinZtoP9kPm2DRbcoxtNgNxRumQGUogcZlk:IfqkIDiGNmRx/s
Threatray 2'449 similar samples on MalwareBazaar
TLSH T13A450100BAB1C035F4F315F499B99328563ABEB29F2450CBE2D969EE56702E09DF0717
Reporter abuse_ch
Tags:DarkVNC exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4e7e81192cdefc3d49e3ef94ea719fb5.exe
Verdict:
Malicious activity
Analysis date:
2021-07-07 16:00:55 UTC
Tags:
trojan danabot
Link:
https://app.any.run/tasks/840d2027-c4c7-4b21-b8e4-16848e38bc3d

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/170230/
Detection(s):
SecuriteInfo.com.Trojan.MulDrop17.60828.31116.5750.UNOFFICIAL
Create hunting rule

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/0a1c2866-2c22-4996-895f-80d223756d12
Result
Threat name:
DarkVNC
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/812978
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
System process connects to network (likely due to code injection or exploit)
Yara detected DarkVNC
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef41d62dadb36c9f3eec74500f82a6694ebe728a1fedc2bc7120b925e8b831fb/
Threat name:
Win32.Trojan.Yakes
Create hunting rule
Status:
Malicious
First seen:
2021-07-07 15:50:03 UTC
AV detection:
24 of 46 (52.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=55a5mlnnwnwj6pxmoria7avgnfhl44ukd7w4fpdrec4sl2fygh5q._file
Verdict:
malicious
Similar samples:
0740efa5efb442cfaf311a0cc7ba1e0d6ae7488dc4e61e113cf67e0ac2138e66
DarkVNC
0e987602142e521bab7a311b02a5856d89a07f41c74a3bbb2b8a2ecddcaa9655
DarkVNC
1757ed2c04d0e2b53abe98a2ff5753ba4c6d0ff541c28f3c9df9022e2853f5a7
DarkVNC
6d4e6d54d7fb566e6887ce79f7d65c151b3092260cc7fef21dc60d46a265b4ff
DarkVNC
847c8df92a7b63e6730a4c1890b3c3f8cbc90439b19719446f6114627ef5a255
DarkVNC
90ef0dacd3f993a784a8f2d884e065704920db45a5abe639f714306b89a2eef8
DarkVNC
9d447a43433856a44289ddd51036a5f7f540c6af981b497b8605638beed2bf5b
DarkVNC
9edc8848e696b6b61cec52ea4d298f22d4475286ed89cf153816ed262f822fdb
DarkVNC
d24b2f6e96fa1b2bb20b19e3b70757887a3f4934d035fde4efdbdd5b9e845df9
DarkVNC
d7199616185a4d6187eb375c778dd4e5327df6a5e51018770addb54705732d88
DarkVNC
+ 2'439 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/210707-tsxar4nyvx/
Behaviour
Suspicious use of WriteProcessMemory
Loads dropped DLL
Blocklisted process makes network request
Unpacked files
SH256 hash:
8634f8fd098ad03a70b998fde77f35eac372d30295f4cb1edd5931c5305e3c82
MD5 hash:
cd603c8c3b9cb5e0b40ed50c5ae32c58
SHA1 hash:
94baeabba6c5e31905d6404e0487d82f2854f743
Link:
https://www.unpac.me/results/d9a31f5e-3ffb-4c50-a001-cfc3d96060fb/
SH256 hash:
bb201889d6b76d9e259b1fb20e0f4d2f1cd06671025170869f16118fecad46f0
MD5 hash:
3dcc8b0b9848d33e024a7e7b71cacffc
SHA1 hash:
c279c2572419981be08fb5a69bd9daa810a3d77f
Link:
https://www.unpac.me/results/d9a31f5e-3ffb-4c50-a001-cfc3d96060fb/
SH256 hash:
ef41d62dadb36c9f3eec74500f82a6694ebe728a1fedc2bc7120b925e8b831fb
MD5 hash:
4e7e81192cdefc3d49e3ef94ea719fb5
SHA1 hash:
d88d6ce051aae36fc154ba73bcb3a5c6ad393848
Link:
https://www.unpac.me/results/d9a31f5e-3ffb-4c50-a001-cfc3d96060fb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ef41d62dadb36c9f3eec74500f82a6694ebe728a1fedc2bc7120b925e8b831fb

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_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

File information

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

Web download

DarkVNC

Executable exe ef41d62dadb36c9f3eec74500f82a6694ebe728a1fedc2bc7120b925e8b831fb

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/170230/
  
URLhaus
https://urlhaus.abuse.ch/url/1407122/
  
Delivery method
Distributed via web download

Comments