MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08f290d886e67c9aaa4cf058fa166e50efc8181901773373c2123e5290edab71. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08f290d886e67c9aaa4cf058fa166e50efc8181901773373c2123e5290edab71
SHA3-384 hash: f2c44f2aa13d98a33e73d6f2ae73b9d6b33c3237732e3943ccbde6cb5da0d8057e534b05e9696013783a65c1fef5ad07
SHA1 hash: 1eea24e7cd60eae916f6f9fc06f028c9f337786b
MD5 hash: d21f65241584fd09a7f08c52f4082386
humanhash: don-nineteen-bacon-bulldog
File name:d21f65241584fd09a7f08c52f4082386.exe
Download: download sample
Signature Stop
Create hunting rule
File size:791'040 bytes
First seen:2021-08-09 09:31:51 UTC
Last seen:2021-08-09 10:37:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b159049d3db7beaa9c7f9e7df0b4ca8c (2 x Smoke Loader, 2 x RedLineStealer, 1 x RaccoonStealer)
ssdeep 24576:msddGiC4GqIG0dBtNtW95xhFvVBLB4YzZN9:ms/Msy7tyhFv3LbZ
Threatray 434 similar samples on MalwareBazaar
TLSH T1F7F41271B7C0FC72E68BF634304C9B94FB2969225760814716657F3E2FB32806B6D21A
dhash icon 1036787c72767636 (2 x RaccoonStealer, 1 x Socelars, 1 x TeamBot)
Reporter abuse_ch
Tags:exe Stop

Intelligence

File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d21f65241584fd09a7f08c52f4082386.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-09 09:36:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6b3a7bba-946d-4d80-a0a0-5fc8dc339bcb

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/177498/
Detection(s):
SecuriteInfo.com.Trojan.Siggen14.59189.16788.24812.UNOFFICIAL
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
Sending a UDP request
Deleting a recently created file
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
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/535007cd-f77a-44cd-9908-96ba706b68e6
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/829185
Signature
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
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 dropped file
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 461616 Sample: c8o32o7Vhj.exe Startdate: 09/08/2021 Architecture: WINDOWS Score: 100 53 api.2ip.ua 2->53 65 Multi AV Scanner detection for domain / URL 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 Found ransom note / readme 2->69 71 2 other signatures 2->71 9 c8o32o7Vhj.exe 2->9         started        12 c8o32o7Vhj.exe 2->12         started        14 c8o32o7Vhj.exe 2->14         started        16 2 other processes 2->16 signatures3 process4 signatures5 75 Injects a PE file into a foreign processes 9->75 18 c8o32o7Vhj.exe 19 9->18         started        77 Detected unpacking (changes PE section rights) 12->77 79 Detected unpacking (overwrites its own PE header) 12->79 81 Contains functionality to inject code into remote processes 12->81 23 c8o32o7Vhj.exe 1 18 12->23         started        83 Multi AV Scanner detection for dropped file 14->83 85 Machine Learning detection for dropped file 14->85 25 c8o32o7Vhj.exe 13 14->25         started        27 c8o32o7Vhj.exe 13 16->27         started        29 backgroundTaskHost.exe 16->29         started        31 c8o32o7Vhj.exe 16->31         started        process6 dnsIp7 55 astdg.top 210.182.29.70, 49722, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 18->55 41 C:\_readme.txt, ASCII 18->41 dropped 43 C:\Users\user\...\c8o32o7Vhj.exe.reqg (copy), data 18->43 dropped 45 C:\Users\user\Desktop\c8o32o7Vhj.exe, data 18->45 dropped 51 9 other files (3 malicious) 18->51 dropped 73 Modifies existing user documents (likely ransomware behavior) 18->73 57 api.2ip.ua 77.123.139.190, 443, 49711, 49714 VOLIA-ASUA Ukraine 23->57 47 C:\Users\user\AppData\...\c8o32o7Vhj.exe, PE32 23->47 dropped 49 C:\Users\...\c8o32o7Vhj.exe:Zone.Identifier, ASCII 23->49 dropped 33 c8o32o7Vhj.exe 23->33         started        36 icacls.exe 23->36         started        59 192.168.2.1 unknown unknown 27->59 file8 signatures9 process10 signatures11 63 Injects a PE file into a foreign processes 33->63 38 c8o32o7Vhj.exe 13 33->38         started        process12 dnsIp13 61 api.2ip.ua 38->61
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/08f290d886e67c9aaa4cf058fa166e50efc8181901773373c2123e5290edab71/
Threat name:
Win32.Ransomware.Aicat
Create hunting rule
Status:
Malicious
First seen:
2021-08-09 00:43:29 UTC
File Type:
PE (Exe)
Extracted files:
60
AV detection:
23 of 47 (48.94%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
1c8f1643dd2d7c1c8224caa017aeb9f4447370e3849862d25b19844def08f384
Stop
44f6676314c6c50f2807f34a33335abd58ca254f95c213496205825257f7b4d6
Stop
63c696185eacdb5998d82e02e8cc0afd09db991ece9f72f5e99007e2aa36f4c3
Stop
9d45043266ad627224c951cb91f37261bc7bd393aa8ce87a39e8b42f3a543dbf
Stop
a4520e17b63c5503219d9c36435b26054ac63e4539883c5244b3129535d82879
Stop
d6353ac6a08f1e678698f658274332bcc27588c14e75e029e761dd6af0b4ef41
Stop
d9e93860c1b468911168c4c30564817dc0b788cceab0e073d0be8850c95590d4
Stop
dc9fcb210bb6436bee5b9cac39a3a5f9dd06a2e5ebf4062cf0b0e66d14d5236f
Stop
+ 424 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence ransomware spyware stealer suricata
Link:
https://tria.ge/reports/210809-ad42ej58ge/
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
Modifies extensions of user files
Vidar Stealer
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://prophefliloc.tumblr.com/
Unpacked files
SH256 hash:
1f4eefe837b5487f78f2a9997cf6d1af91fb2c1494c5463393f6d239389de798
MD5 hash:
358579cdbcc9adfcc86456b914a67074
SHA1 hash:
15fa5892be5053008a4d58f7a5101dcc788d81ba
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/3ec8496a-995a-4ec0-a780-3ac6bb95b8e5/
Parent samples :
08f290d886e67c9aaa4cf058fa166e50efc8181901773373c2123e5290edab71
cc2d59e5fe1823c860fa7b4996f8b5be24bbc4da15b757ea477ef3864031fac1
SH256 hash:
08f290d886e67c9aaa4cf058fa166e50efc8181901773373c2123e5290edab71
MD5 hash:
d21f65241584fd09a7f08c52f4082386
SHA1 hash:
1eea24e7cd60eae916f6f9fc06f028c9f337786b
Link:
https://www.unpac.me/results/3ec8496a-995a-4ec0-a780-3ac6bb95b8e5/
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/08f290d886e67c9aaa4cf058fa166e50efc8181901773373c2123e5290edab71

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

File information

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

Web download

Stop

Executable exe 08f290d886e67c9aaa4cf058fa166e50efc8181901773373c2123e5290edab71

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1463721/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/177498/

Comments