MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 130789a4c8ec23403e33a0ef0de7f9a67cd6749063e5b8f99f1d0e936f41891f. 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: 11


Intelligence 11 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 130789a4c8ec23403e33a0ef0de7f9a67cd6749063e5b8f99f1d0e936f41891f
SHA3-384 hash: 2b8943b8fba58345533cbec7fd72734c64c813ff7389ce84c120341f06505b68f50dcffdd2589c23d0c395b8e1ac4928
SHA1 hash: 23213acdf87702bd44fe8e343914d356e820abb8
MD5 hash: bf2b51371b97a9f07eb561d56898d17a
humanhash: low-winter-michigan-oregon
File name:bf2b51371b97a9f07eb561d56898d17a.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:864'768 bytes
First seen:2021-06-01 06:30:18 UTC
Last seen:2021-06-01 08:09:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ddfa50a7d17fa7288028195442f05ca4 (3 x RedLineStealer, 2 x Stop, 1 x RaccoonStealer)
ssdeep 24576:FbYB6i3bdL2EnNn/GTtO3elgFli7o1uNM/l:Fa9uTtO3e4i7oQW
Threatray 227 similar samples on MalwareBazaar
TLSH BE05F100A790E030F5F336F559BB817DA92E7D92EB6850CF12D4AAEE66346D0AC31717
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://162.55.189.141/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://162.55.189.141/ https://threatfox.abuse.ch/ioc/67961/

Intelligence

File Origin
# of uploads :
2
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bf2b51371b97a9f07eb561d56898d17a.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-01 07:46:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ff160e92-952f-43e4-b3db-5dca800b4feb

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/163653/
Detection(s):
SecuriteInfo.com.Variant.Graftor.958865.16932.21892.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
DNS request
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/794999
Signature
Contains functionality to inject code into remote processes
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 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: 427395 Sample: bJN00Hswsh.exe Startdate: 01/06/2021 Architecture: WINDOWS Score: 92 56 Multi AV Scanner detection for submitted file 2->56 58 Found ransom note / readme 2->58 60 Yara detected Djvu Ransomware 2->60 62 Machine Learning detection for sample 2->62 8 bJN00Hswsh.exe 2->8         started        11 bJN00Hswsh.exe 2->11         started        13 bJN00Hswsh.exe 2->13         started        15 bJN00Hswsh.exe 2->15         started        process3 signatures4 66 Injects a PE file into a foreign processes 8->66 17 bJN00Hswsh.exe 1 19 8->17         started        68 Contains functionality to inject code into remote processes 11->68 22 bJN00Hswsh.exe 1 16 11->22         started        70 Multi AV Scanner detection for dropped file 13->70 72 Machine Learning detection for dropped file 13->72 24 bJN00Hswsh.exe 12 13->24         started        26 bJN00Hswsh.exe 12 15->26         started        process5 dnsIp6 48 asvb.top 34.105.39.31, 49719, 80 GOOGLEUS United States 17->48 36 C:\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\bJN00Hswsh.exe, data 17->38 dropped 40 C:\Users\user\Desktop\...\ZGGKNSUKOP.xlsx, data 17->40 dropped 46 3 other files (2 malicious) 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 50 api.2ip.ua 77.123.139.190, 443, 49710, 49715 VOLIA-ASUA Ukraine 22->50 42 C:\Users\user\AppData\...\bJN00Hswsh.exe, PE32 22->42 dropped 44 C:\Users\...\bJN00Hswsh.exe:Zone.Identifier, ASCII 22->44 dropped 28 bJN00Hswsh.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 74 Injects a PE file into a foreign processes 28->74 33 bJN00Hswsh.exe 12 28->33         started        process11 dnsIp12 52 192.168.2.1 unknown unknown 33->52 54 api.2ip.ua 33->54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/130789a4c8ec23403e33a0ef0de7f9a67cd6749063e5b8f99f1d0e936f41891f/
Threat name:
Win32.Trojan.Graftor
Create hunting rule
Status:
Malicious
First seen:
2021-05-31 23:43:04 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
21 of 45 (46.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cmdytjgi5qruaprtudxq3z7zuz6nm5eqmps3r6m7duhjg32brepq._file
Verdict:
malicious
Similar samples:
0463b38f5b4a592a808c730ee27a29607fab41971d5cbad604a1559f1cf460dd
ArkeiStealer
59db1c1bc14d72ef225926c9d5a5a5a704d79b22b720e4e7884b2da2825c9203
ArkeiStealer
6c63325e8f7928f68484e7131d1e4b727f94bd476f8a875d17f5ca680c3d8e92
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73ee55d80837accbaf001434a618fcc3a0afbf80928ed8b5b8d9a681fccfaa43
ArkeiStealer
7dd793aab5547eb5523f7c9c0222b819995d7550603fa027854a63327b59b657
ArkeiStealer
869bd0ca39150a6e0f87609ca7e927211ba9cf636b69c33c3cd09db85922dd94
ArkeiStealer
88a30fa4dee34a4249544734b5323f180ba725a8582226a5b891c43e81b2c395
ArkeiStealer
afc40ccbfe32719ae9b39ce16275f27400faefefcf207641d06b61ddde622011
ArkeiStealer
dcbea2abd13caac137cf4b0075f1631d7db9ddbcf11f09563f8b163e43191363
ArkeiStealer
e130228c8ed44ad5e8963c25b57e0f5186b6ef4dd00287e3505cb6be51369c82
ArkeiStealer
+ 217 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar discovery evasion persistence ransomware spyware stealer
Link:
https://tria.ge/reports/210601-qbrmf9zgd2/
Behaviour
Checks processor information in registry
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 local data of messenger clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Downloads MZ/PE file
Drops file in Drivers directory
Executes dropped EXE
Deletes Windows Defender Definitions
Djvu Ransomware
Vidar
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/130789a4c8ec23403e33a0ef0de7f9a67cd6749063e5b8f99f1d0e936f41891f

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

ArkeiStealer

Executable exe 130789a4c8ec23403e33a0ef0de7f9a67cd6749063e5b8f99f1d0e936f41891f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1256494/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/163653/

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