MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efdf5e6a2dcd17453250f5a2cd565a8ebbf0a937e3f033e6a494776a2c48c1d2. 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 1 YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efdf5e6a2dcd17453250f5a2cd565a8ebbf0a937e3f033e6a494776a2c48c1d2
SHA3-384 hash: 6592be175c92e94bf7604576d1b82a7dd501b43411132004391fec113ac0ffb3f447665e5914f0620ba3e7acd76352cd
SHA1 hash: 6d598c89d00962f4eaffd84fb086a98965f07524
MD5 hash: be53576a8420d0b54c5d8409d257ba29
humanhash: queen-lion-beer-harry
File name:be53576a8420d0b54c5d8409d257ba29.exe
Download: download sample
Signature Stop
Create hunting rule
File size:797'696 bytes
First seen:2022-05-08 17:45:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8418d14a42cfb4088cd49d99ad4e93bf (4 x Stop, 2 x RedLineStealer)
ssdeep 12288:c+r0NDYLyJBhxWOW87uR7UsaJMjOCCemauyUQ3TKbRZ0PQv20X7qdoFU6q:J0sI7xM87c69CCelknbRYs20XIoF1
Threatray 1'235 similar samples on MalwareBazaar
TLSH T115050210B7A0C035F5B316F449B593B9B53D7EE1AB2540CBA2D06AEE5A386D4EC3071B
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2dacabecee6baa6 (148 x RedLineStealer, 145 x Stop, 100 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://ugll.org/fhsgtsspen6/get.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://ugll.org/fhsgtsspen6/get.php https://threatfox.abuse.ch/ioc/548952/

Intelligence

File Origin
# of uploads :
1
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
be53576a8420d0b54c5d8409d257ba29.exe
Verdict:
Malicious activity
Analysis date:
2022-05-08 17:47:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cf030c97-2144-421b-8fe5-b93312564217

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Pwsx-9949493-0
Create hunting rule

Win.Malware.Pwsx-9949612-0
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
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/16733/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/627801edbe0219041a82ecba/reports/d48c7513-c632-49fd-9c24-134bee302cc8/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/2bf9b09f-2777-496d-a26b-b1c4f55e012e
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/989802
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
Found ransom note / readme
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)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Possible FUD Crypter (malicious underground PE packer) detected
Sample uses process hollowing technique
Snort IDS alert for network traffic
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 622298 Sample: fPr1RK7PA1.exe Startdate: 08/05/2022 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Found malware configuration 2->60 62 7 other signatures 2->62 8 fPr1RK7PA1.exe 2->8         started        11 fPr1RK7PA1.exe 2->11         started        13 fPr1RK7PA1.exe 2->13         started        15 fPr1RK7PA1.exe 2->15         started        process3 signatures4 66 Multi AV Scanner detection for dropped file 8->66 68 Machine Learning detection for dropped file 8->68 70 Injects a PE file into a foreign processes 8->70 17 fPr1RK7PA1.exe 1 18 8->17         started        72 Possible FUD Crypter (malicious underground PE packer) detected 11->72 74 Contains functionality to inject code into remote processes 11->74 22 fPr1RK7PA1.exe 1 16 11->22         started        76 Sample uses process hollowing technique 13->76 24 fPr1RK7PA1.exe 12 13->24         started        26 backgroundTaskHost.exe 13->26         started        28 fPr1RK7PA1.exe 15->28         started        process5 dnsIp6 50 ugll.org 41.41.255.235, 49787, 80 TE-ASTE-ASEG Egypt 17->50 38 C:\_readme.txt, ASCII 17->38 dropped 40 C:\Users\user\...\fPr1RK7PA1.exe.bbnm (copy), MS-DOS 17->40 dropped 42 C:\Users\user\Desktop\fPr1RK7PA1.exe, MS-DOS 17->42 dropped 48 3 other malicious files 17->48 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 52 api.2ip.ua 162.0.217.254, 443, 49749, 49761 ACPCA Canada 22->52 44 C:\Users\user\AppData\...\fPr1RK7PA1.exe, PE32 22->44 dropped 46 C:\Users\...\fPr1RK7PA1.exe:Zone.Identifier, ASCII 22->46 dropped 30 fPr1RK7PA1.exe 22->30         started        33 icacls.exe 22->33         started        file7 signatures8 process9 signatures10 78 Injects a PE file into a foreign processes 30->78 35 fPr1RK7PA1.exe 12 30->35         started        process11 dnsIp12 54 api.2ip.ua 35->54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efdf5e6a2dcd17453250f5a2cd565a8ebbf0a937e3f033e6a494776a2c48c1d2/
Threat name:
Win32.Trojan.InstaBot
Create hunting rule
Status:
Malicious
First seen:
2022-05-07 03:09:23 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
30 of 42 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=57pv42rnzulukmsq6wrm2vs2r257bkjx4pydhzvesr3wulciyhja._file
Verdict:
malicious
Similar samples:
408ef0ddc11837ab3ce4e1bf4898c7cb7968440819097316173c003a52c83bea
Stop
608df5c6fe1401d81c82da19ff4553895997678e5bd55edcdf71002f547f0c27
Stop
afac7896cf21983233c533eeaec870610856969d98218b0ffdfa11c6f57a8420
Stop
c0597dca23affa33285961659920a869b00eb52693315c716c90f2c2894a7306
Stop
e2e7294a6fee9ef6372897f3bebffb0d17bc31b9cf8c663181e192a608057061
Stop
f5f1cf3cc14d3f0b24b4fb08833370f51c51d5feffc130eb2c60f0220c6cf351
Stop
+ 1'225 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer suricata
Link:
https://tria.ge/reports/220508-wb9x7adhe8/
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks installed software on the system
Looks up external IP address via web service
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download
suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key
suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload
Malware Config
C2 Extraction:
http://ugll.org/fhsgtsspen6/get.php
https://t.me/hollandracing
https://busshi.moe/@ronxik321
Unpacked files
SH256 hash:
f89203978f735f805dd931154336a48cb669c2add661ce55c598c3733e1d2ffd
MD5 hash:
2eebe9d1880fa13c9e4aca027eb5fc2d
SHA1 hash:
4fc09718d89198e4e5718b7cf532caaf0c28c97d
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/de52ce77-9d0d-4274-8a33-fa7c22f00d77/
Parent samples :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 hash:
efdf5e6a2dcd17453250f5a2cd565a8ebbf0a937e3f033e6a494776a2c48c1d2
MD5 hash:
be53576a8420d0b54c5d8409d257ba29
SHA1 hash:
6d598c89d00962f4eaffd84fb086a98965f07524
Link:
https://www.unpac.me/results/de52ce77-9d0d-4274-8a33-fa7c22f00d77/
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/efdf5e6a2dcd17453250f5a2cd565a8ebbf0a937e3f033e6a494776a2c48c1d2

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_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
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:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload
Rule name:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.

File information

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

Comments