MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f379ab59d4b7d52e259ea761664dde0c315709748efe28d1b63728d3f1dc62b. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f379ab59d4b7d52e259ea761664dde0c315709748efe28d1b63728d3f1dc62b
SHA3-384 hash: 53d52654b7bffa85f71e137e5dc09cc6c64edc8bc1717f2342e9aeb6a32a4a1a0e0720b4f0698a1c9bdf6101ab714652
SHA1 hash: f0b0d444ee3d409ae1d01388fb5ca3ecfbb2e706
MD5 hash: 21f121cd45c118615f7146367c68964f
humanhash: solar-item-wolfram-fix
File name:2f379ab59d4b7d52e259ea761664dde0c315709748efe28d1b63728d3f1dc62b
Download: download sample
Signature Stop
Create hunting rule
File size:802'816 bytes
First seen:2021-09-06 06:40:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4f8209c5b4ed49d19335a3290f6cce63 (2 x ArkeiStealer, 2 x RaccoonStealer, 2 x Stop)
ssdeep 24576:U4ubkasrsf2Qo5r31kFerom07All/rHVmiDS:7asYunqFe8m0EXpBe
Threatray 514 similar samples on MalwareBazaar
TLSH T1ED0502306691C035F4B722F85ABA93F8762D7DB0176450CFA2D52BEA17386E9AC31347
dhash icon 6ae8e8e8aa66a499 (3 x RaccoonStealer, 3 x RedLineStealer, 1 x Glupteba)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2f379ab59d4b7d52e259ea761664dde0c315709748efe28d1b63728d3f1dc62b
Verdict:
Suspicious activity
Analysis date:
2021-09-06 07:26:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bafa3360-9692-491c-a437-6ef21fbd0dd2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/185558/
Detection(s):
Win.Dropper.Raccoon-9890846-0
Create hunting rule

Win.Malware.Generic-9890852-0
Create hunting rule

Win.Malware.Generic-9890868-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Deleting a recently created file
Sending an HTTP GET request
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/55b9cff5-aa2b-47ef-9408-6695e46277ee
Result
Threat name:
Clipboard Hijacker Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/845855
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 478290 Sample: 1g3uTiIbCa Startdate: 06/09/2021 Architecture: WINDOWS Score: 100 62 api.2ip.ua 2->62 82 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->82 84 Multi AV Scanner detection for domain / URL 2->84 86 Antivirus detection for URL or domain 2->86 88 10 other signatures 2->88 11 1g3uTiIbCa.exe 2->11         started        14 1g3uTiIbCa.exe 2->14         started        16 1g3uTiIbCa.exe 2->16         started        signatures3 process4 signatures5 104 Detected unpacking (changes PE section rights) 11->104 106 Contains functionality to inject code into remote processes 11->106 108 Writes many files with high entropy 11->108 18 1g3uTiIbCa.exe 1 16 11->18         started        110 Injects a PE file into a foreign processes 14->110 22 1g3uTiIbCa.exe 12 14->22         started        24 1g3uTiIbCa.exe 12 16->24         started        process6 dnsIp7 64 api.2ip.ua 77.123.139.190, 443, 49699, 49700 VOLIA-ASUA Ukraine 18->64 66 192.168.2.1 unknown unknown 18->66 52 C:\Users\...\1g3uTiIbCa.exe:Zone.Identifier, ASCII 18->52 dropped 26 1g3uTiIbCa.exe 18->26         started        29 icacls.exe 18->29         started        file8 process9 signatures10 102 Injects a PE file into a foreign processes 26->102 31 1g3uTiIbCa.exe 1 24 26->31         started        process11 dnsIp12 72 tbpws.top 211.169.6.249, 49702, 49707, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 31->72 74 securebiz.org 190.117.75.91, 49701, 80 AmericaMovilPeruSACPE Peru 31->74 76 api.2ip.ua 31->76 44 C:\Users\user\...\UserCache.bin.efdc (copy), DOS 31->44 dropped 46 C:\Users\user\AppData\...\fe-a5cf09[1].js, COM 31->46 dropped 48 C:\Users\user\AppData\Local\...\css[1].css, DOS 31->48 dropped 50 369 other files (350 malicious) 31->50 dropped 78 Infects executable files (exe, dll, sys, html) 31->78 80 Modifies existing user documents (likely ransomware behavior) 31->80 36 build2.exe 31->36         started        file13 signatures14 process15 signatures16 90 Detected unpacking (changes PE section rights) 36->90 92 Machine Learning detection for dropped file 36->92 94 Injects a PE file into a foreign processes 36->94 39 build2.exe 36->39         started        process17 dnsIp18 68 49.12.198.69, 49712, 80 HETZNER-ASDE Germany 39->68 70 romkaxarit.tumblr.com 74.114.154.18, 443, 49710 AUTOMATTICUS Canada 39->70 54 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 39->54 dropped 56 C:\Users\user\AppData\...\freebl3[1].dll, PE32 39->56 dropped 58 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 39->58 dropped 60 9 other files (none is malicious) 39->60 dropped 96 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 39->96 98 Tries to harvest and steal browser information (history, passwords, etc) 39->98 100 Tries to steal Crypto Currency Wallets 39->100 file19 signatures20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f379ab59d4b7d52e259ea761664dde0c315709748efe28d1b63728d3f1dc62b/
Threat name:
Win32.Trojan.Sabsik
Create hunting rule
Status:
Malicious
First seen:
2021-09-04 18:43:51 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
31 of 43 (72.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f43zvnm5jn6vfysz5j3bmzg54dbrk4exjdx6fdi3mnzi2py5yyvq._file
Verdict:
malicious
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26967c1b5ff6848501ddf70985408b7736835286f788f663e086f34aecd6bfb1
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+ 504 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/210906-hfsmtadgaj/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Detected Djvu ransomeware
Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
https://romkaxarit.tumblr.com/
Unpacked files
SH256 hash:
714eeaee7b0d065bfde3c39f351ab35ddf652dcccc0365772d8f1fc3407a501c
MD5 hash:
8c26b2ce2acf0a8b09427a47e3135550
SHA1 hash:
e175b248bdd09ea42dd0cbc7c3e97f694d93a3bf
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/9fed84ef-2195-4202-86ee-4038072486d4/
Parent samples :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 hash:
2f379ab59d4b7d52e259ea761664dde0c315709748efe28d1b63728d3f1dc62b
MD5 hash:
21f121cd45c118615f7146367c68964f
SHA1 hash:
f0b0d444ee3d409ae1d01388fb5ca3ecfbb2e706
Link:
https://www.unpac.me/results/9fed84ef-2195-4202-86ee-4038072486d4/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2f379ab59d4b/report/overview.html
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/2f379ab59d4b7d52e259ea761664dde0c315709748efe28d1b63728d3f1dc62b

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/185558/

Comments