MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b39ff23ccae0b2bbfa7ac0e4be10bc45c543298465cd6222e13147df7e82c23f. 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


ArkeiStealer


Vendor detections: 16


Intelligence 16 IOCs 1 YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b39ff23ccae0b2bbfa7ac0e4be10bc45c543298465cd6222e13147df7e82c23f
SHA3-384 hash: c1e6d9008d653689d706e831e36f21a3d145384ca91804fcc8af16a2815ea496040dc1e06ded8af92da93972c7353770
SHA1 hash: 679c7f2e69e34b72802680cab9e41bd94038a7e5
MD5 hash: ded5fc7a022a57c7abc81445723eaa84
humanhash: september-whiskey-seventeen-floor
File name:B39FF23CCAE0B2BBFA7AC0E4BE10BC45C543298465CD6.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:843'776 bytes
First seen:2022-10-01 10:45:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2d4e9ffa030315d287b42852cee4e526 (1 x RecordBreaker, 1 x ArkeiStealer)
ssdeep 12288:sGp2MvHrp79EOxxhb34unZvJ7mcEMGdfnOszp3ruZJvc1P5NVc5XCNGahjkTKNch:b2ErpxxxP3Zv7MOsz14vEFdGaVskcsi
Threatray 2'339 similar samples on MalwareBazaar
TLSH T1C8050150BAA0C039E1B792F47876536DB63D7EE05B6111CB22C67AED0738AD0ECB4257
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 c8d8c8c8e0e4a099 (57 x Smoke Loader, 55 x Amadey, 20 x RedLineStealer)
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://116.202.5.121/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://116.202.5.121/ https://threatfox.abuse.ch/ioc/865816/

Intelligence

File Origin
# of uploads :
1
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
c23f.bin
Verdict:
Malicious activity
Analysis date:
2022-08-23 23:37:22 UTC
Tags:
trojan loader stealer ransomware stop
Link:
https://app.any.run/tasks/d016f56b-ee1d-4b07-9f98-9912923281f8

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/315471/
Detection(s):
Win.Packed.Crypterx-9964586-0
Create hunting rule

Win.Dropper.Tofsee-9964760-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
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
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult greyware packed smoke
Link:
https://www.filescan.io/uploads/63381a6b78d4acb349f3ade5/reports/2ae0eaea-1088-45fa-8145-1021373ac8f4/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/fa4842a9-a096-4d5f-9190-f04ad3105346
Result
Threat name:
Babuk, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1081493
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found ransom note / readme
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
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
Writes many files with high entropy
Yara detected Babuk Ransomware
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 714050 Sample: B39FF23CCAE0B2BBFA7AC0E4BE1... Startdate: 01/10/2022 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Multi AV Scanner detection for domain / URL 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 11 other signatures 2->76 10 B39FF23CCAE0B2BBFA7AC0E4BE10BC45C543298465CD6.exe 2->10         started        13 B39FF23CCAE0B2BBFA7AC0E4BE10BC45C543298465CD6.exe 2->13         started        15 B39FF23CCAE0B2BBFA7AC0E4BE10BC45C543298465CD6.exe 2->15         started        17 B39FF23CCAE0B2BBFA7AC0E4BE10BC45C543298465CD6.exe 2->17         started        process3 signatures4 82 Writes many files with high entropy 10->82 84 Injects a PE file into a foreign processes 10->84 19 B39FF23CCAE0B2BBFA7AC0E4BE10BC45C543298465CD6.exe 1 16 10->19         started        23 B39FF23CCAE0B2BBFA7AC0E4BE10BC45C543298465CD6.exe 12 13->23         started        25 B39FF23CCAE0B2BBFA7AC0E4BE10BC45C543298465CD6.exe 15->25         started        27 B39FF23CCAE0B2BBFA7AC0E4BE10BC45C543298465CD6.exe 17->27         started        process5 dnsIp6 64 api.2ip.ua 162.0.217.254, 443, 49710, 49713 ACPCA Canada 19->64 54 B39FF23CCAE0B2BBFA...exe:Zone.Identifier, ASCII 19->54 dropped 56 B39FF23CCAE0B2BBFA...45C543298465CD6.exe, MS-DOS 19->56 dropped 29 B39FF23CCAE0B2BBFA7AC0E4BE10BC45C543298465CD6.exe 19->29         started        32 icacls.exe 19->32         started        file7 process8 signatures9 92 Injects a PE file into a foreign processes 29->92 34 B39FF23CCAE0B2BBFA7AC0E4BE10BC45C543298465CD6.exe 1 21 29->34         started        process10 dnsIp11 58 rgyui.top 84.224.193.200, 49714, 80 PGSM-HUTorokbalintHungaryHU Hungary 34->58 60 acacaca.org 34->60 62 2 other IPs or domains 34->62 46 C:\Users\user\AppData\Local\...\build2.exe, PE32 34->46 dropped 48 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 34->48 dropped 50 C:\_readme.txt, ASCII 34->50 dropped 52 139 other malicious files 34->52 dropped 78 Modifies existing user documents (likely ransomware behavior) 34->78 39 build2.exe 34->39         started        file12 signatures13 process14 signatures15 80 Multi AV Scanner detection for dropped file 39->80 42 build2.exe 39->42         started        process16 dnsIp17 66 t.me 149.154.167.99, 443, 49719 TELEGRAMRU United Kingdom 42->66 68 116.202.5.121, 49720, 49723, 80 HETZNER-ASDE Germany 42->68 86 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 42->86 88 Tries to harvest and steal browser information (history, passwords, etc) 42->88 90 Tries to steal Crypto Currency Wallets 42->90 signatures18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b39ff23ccae0b2bbfa7ac0e4be10bc45c543298465cd6222e13147df7e82c23f/
Threat name:
Win32.Trojan.MintZard
Create hunting rule
Status:
Malicious
First seen:
2022-08-22 11:51:22 UTC
File Type:
PE (Exe)
Extracted files:
44
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wop7epgk4czlx6t2ydsl4ef4ixcugkmemxgweixbgfd567ucyi7q._file
Verdict:
malicious
Similar samples:
16e2152d4a55b9ef6327057137c8db3d8072fb159c03568b0adb30b9945ff593
ArkeiStealer
293b286d01acf3d50e94e976f33445663e98a5b77e67004e960a073f3cf50646
ArkeiStealer
8f41b5f1d916df6b7ac2a25ce39191f164698ca61aade7c35c2aae886b4f892c
ArkeiStealer
bc705785976b2cff0ed09ecbe684a010fb6cc10eb2136e54544e261f6e0fe0f9
ArkeiStealer
db23ce523f12ad4b0d45aecae7027cb8ee5848d66bef3ded32f225b285492064
ArkeiStealer
+ 2'329 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
Link:
https://tria.ge/reports/221001-mtys7sfhb6/
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
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://acacaca.org/lancer/get.php
https://t.me/trampapanam
https://nerdculture.de/@yoxhyp
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/50f310b8-5d6b-42b1-b0fa-c719864f44c3
Unpacked files
SH256 hash:
847ab4f96585fafbbf09c8583d352416aa21edf61338beb84e097b79108419d9
MD5 hash:
12806f786e7f6ae76c4934b4d5cf5c57
SHA1 hash:
00e4a3740afee6139225d5fef25d0afe7f2fd477
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/d0417798-d725-436c-b08e-aef2a39134f5/
SH256 hash:
b39ff23ccae0b2bbfa7ac0e4be10bc45c543298465cd6222e13147df7e82c23f
MD5 hash:
ded5fc7a022a57c7abc81445723eaa84
SHA1 hash:
679c7f2e69e34b72802680cab9e41bd94038a7e5
Link:
https://www.unpac.me/results/d0417798-d725-436c-b08e-aef2a39134f5/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b39ff23ccae0/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/b39ff23ccae0b2bbfa7ac0e4be10bc45c543298465cd6222e13147df7e82c23f

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB

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/315471/

Comments