MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efffa644226568072ebabf09f621d71fb64e5a8f17d23c0586c544e1c71f7047. 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


Stop


Vendor detections: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efffa644226568072ebabf09f621d71fb64e5a8f17d23c0586c544e1c71f7047
SHA3-384 hash: fbc1a0c20180e1fafa733fe5e2e18456f86c00f668792471330362db2290329abd1c36c7f7be0b507e0faf5e5950097d
SHA1 hash: e9272a55947c32a49ffee059b6ac74e6a6ce5af7
MD5 hash: 8994b6b42a7aac42c8552b52679b7e6e
humanhash: ten-eleven-speaker-arkansas
File name:efffa644226568072ebabf09f621d71fb64e5a8f17d23c0586c544e1c71f7047
Download: download sample
Signature Stop
Create hunting rule
File size:793'088 bytes
First seen:2022-03-28 06:21:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 27d8a7471ee53dd07acef039b03728e9 (16 x RedLineStealer, 8 x Stop, 5 x Worm.Ramnit)
ssdeep 12288:eK2bgYI5TIfhdLRzmvS9b/UJ0TqVNQ9ACEo2ECXAEQ2rFUYN4deWSAZ6z5n8h8ml:13sN/9b8eqP2CBQW4deK+82mU4xZ
Threatray 969 similar samples on MalwareBazaar
TLSH T194F40210B751D031E1B712F048BDC3ADB92E7EA19B2450CB62D65EEE6635AE4DC3231B
File icon (PE):PE icon
dhash icon badacabecee6baa2 (28 x RedLineStealer, 19 x Stop, 13 x Smoke Loader)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/258406/
Detection(s):
Win.Dropper.Generickdz-9939781-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/11724/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/624154109253b276b78c92fe/reports/6cf674d6-503c-4bcd-bc18-26b2ee1ad176/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:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/edfa5a6d-7265-4fea-89c6-4bea270d78ce
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/965537
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 598020 Sample: fVVUFPo9e6 Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 5 other signatures 2->51 8 fVVUFPo9e6.exe 2->8         started        11 fVVUFPo9e6.exe 2->11         started        13 fVVUFPo9e6.exe 2->13         started        15 fVVUFPo9e6.exe 2->15         started        process3 signatures4 53 Contains functionality to inject code into remote processes 8->53 55 Injects a PE file into a foreign processes 8->55 17 fVVUFPo9e6.exe 1 16 8->17         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 21 fVVUFPo9e6.exe 12 11->21         started        23 fVVUFPo9e6.exe 12 13->23         started        25 fVVUFPo9e6.exe 12 15->25         started        process5 dnsIp6 41 api.2ip.ua 162.0.218.244, 443, 49779, 49780 ACPCA Canada 17->41 43 192.168.2.1 unknown unknown 17->43 35 C:\Users\user\AppData\...\fVVUFPo9e6.exe, PE32 17->35 dropped 37 C:\Users\...\fVVUFPo9e6.exe:Zone.Identifier, ASCII 17->37 dropped 27 fVVUFPo9e6.exe 17->27         started        30 icacls.exe 17->30         started        file7 process8 signatures9 61 Injects a PE file into a foreign processes 27->61 32 fVVUFPo9e6.exe 12 27->32         started        process10 dnsIp11 39 api.2ip.ua 32->39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efffa644226568072ebabf09f621d71fb64e5a8f17d23c0586c544e1c71f7047/
Threat name:
Win32.Trojan.Convagent
Create hunting rule
Status:
Malicious
First seen:
2022-03-26 03:18:10 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5772mrbcmvuaolv2x4e7mioxd63e4wupc7jdybmgyvcodry7obdq._file
Verdict:
malicious
Similar samples:
44112b6d303c7df1528b55525872fef0f08de8c2a467f8e4d3b820f634f1f2c2
Stop
8435fa985a445994ae3b8134721302ecd6dbfa29d1052eb8471721649ab1b522
Stop
ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1
Stop
d3ca0ef14e8dc45497faba304acf842bb2f2913ca2108600ee2771f9e9a24f9c
Stop
de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e
Stop
f2e3fa89c1a2c72ea78c4d32446221c08b30c7c3363f8248f04aa9eee2e15c70
Stop
+ 959 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu ransomware
Link:
https://tria.ge/reports/220328-g4xe8sgfb2/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://fuyt.org/fhsgtsspen6/get.php
Unpacked files
SH256 hash:
bead36293b2d4e55e4533c8bebf21acad2d6b2753bdfe6d646dbb8467175c9cf
MD5 hash:
a6a7cc843bef3bfdb7deddde5714b079
SHA1 hash:
26bd02e427a4de78d19b6eb99393b81d47520e25
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/1db3c01e-bc8e-43f8-856a-a1314d895ec6/
Parent samples :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 hash:
efffa644226568072ebabf09f621d71fb64e5a8f17d23c0586c544e1c71f7047
MD5 hash:
8994b6b42a7aac42c8552b52679b7e6e
SHA1 hash:
e9272a55947c32a49ffee059b6ac74e6a6ce5af7
Link:
https://www.unpac.me/results/1db3c01e-bc8e-43f8-856a-a1314d895ec6/
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/efffa644226568072ebabf09f621d71fb64e5a8f17d23c0586c544e1c71f7047

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:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.
Rule name:XOREngine_Misc_XOR_Func
Create hunting rule
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

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/258406/

Comments