MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 effaa743cfe7ba8b66994adae079ff6eb4c69f183f03c5f731536c9560a67fca. 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: 14


Intelligence 14 IOCs 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: effaa743cfe7ba8b66994adae079ff6eb4c69f183f03c5f731536c9560a67fca
SHA3-384 hash: f17195301ff5e31af7668b3e6825f66d7a16e852921d4c09882fd034cebc158bed188c8b4be402ff48f710bf7c122533
SHA1 hash: 648e8ed22bf160ef9545fb4cda18e02869f1ba4f
MD5 hash: fb1a028be29cf6bf675d858c1d626564
humanhash: uranus-island-xray-uranus
File name:fb1a028be29cf6bf675d858c1d626564.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:817'152 bytes
First seen:2022-08-08 14:07:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fa8d3ade30d727a9ed2cd9f848051162 (2 x ArkeiStealer, 1 x Stop, 1 x RedLineStealer)
ssdeep 24576:fhge8njGRLyaxsGS8EJ/o6KchYGLTC7NEyYEXFhw:xR1JSQlGYuC7NIED
TLSH T160050210BB80D035F4B725F44D7A92A8B93E7EA1972415CF92D926EE1634AF1EC3035B
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 b6dacabecee6baa6 (72 x Stop, 68 x RedLineStealer, 55 x Smoke Loader)
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://198.251.88.22:1080/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://198.251.88.22:1080/ https://threatfox.abuse.ch/ioc/842037/

Intelligence

File Origin
# of uploads :
1
# of downloads :
372
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fb1a028be29cf6bf675d858c1d626564.exe
Verdict:
Malicious activity
Analysis date:
2022-08-08 14:07:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/06656d27-cc52-4d54-9acc-77db56996a2d

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/297154/
Detection(s):
Win.Packed.Crypterx-9954995-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Sending a custom TCP request
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
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/28377/overview
Behaviour
MalwareBazaar
CPUID_Instruction
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/62f1193ee64b7f874e82d80a/reports/5b8d175d-f55c-4f4f-9c07-bb6d35c8cfb6/overview
Result
Verdict:
UNKNOWN
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/9f882cc8-71a3-44fe-8412-478b974056e5
Result
Threat name:
Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1047952
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (creates a PE file in dynamic memory)
Found many strings related to Crypto-Wallets (likely being stolen)
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
Snort IDS alert for network traffic
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 known network protocols on non-standard ports
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 680446 Sample: XEwRq24Jzi.exe Startdate: 08/08/2022 Architecture: WINDOWS Score: 100 72 Snort IDS alert for network traffic 2->72 74 Multi AV Scanner detection for domain / URL 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 11 other signatures 2->78 10 XEwRq24Jzi.exe 2->10         started        13 XEwRq24Jzi.exe 2->13         started        15 XEwRq24Jzi.exe 2->15         started        17 XEwRq24Jzi.exe 2->17         started        process3 signatures4 86 Writes many files with high entropy 10->86 88 Injects a PE file into a foreign processes 10->88 19 XEwRq24Jzi.exe 1 16 10->19         started        23 XEwRq24Jzi.exe 12 13->23         started        25 XEwRq24Jzi.exe 12 15->25         started        27 XEwRq24Jzi.exe 17->27         started        process5 dnsIp6 64 api.2ip.ua 162.0.217.254, 443, 49762, 49765 ACPCA Canada 19->64 66 192.168.2.1 unknown unknown 19->66 54 C:\Users\...\XEwRq24Jzi.exe:Zone.Identifier, ASCII 19->54 dropped 56 C:\Users\user\AppData\...\XEwRq24Jzi.exe, MS-DOS 19->56 dropped 29 XEwRq24Jzi.exe 19->29         started        32 icacls.exe 19->32         started        file7 process8 signatures9 96 Injects a PE file into a foreign processes 29->96 34 XEwRq24Jzi.exe 1 22 29->34         started        process10 dnsIp11 58 rgyui.top 211.171.233.129, 49767, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 34->58 60 acacaca.org 190.140.99.150, 49766, 49771, 80 CableOndaPA Panama 34->60 62 api.2ip.ua 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 33 other files (26 malicious) 34->52 dropped 80 Modifies existing user documents (likely ransomware behavior) 34->80 39 build2.exe 34->39         started        file12 signatures13 process14 signatures15 82 Detected unpacking (creates a PE file in dynamic memory) 39->82 84 Machine Learning detection for dropped file 39->84 42 build2.exe 39->42         started        process16 dnsIp17 68 t.me 149.154.167.99, 443, 49784 TELEGRAMRU United Kingdom 42->68 70 198.251.88.22, 1080, 49792 PONYNETUS United States 42->70 90 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 42->90 92 Tries to harvest and steal browser information (history, passwords, etc) 42->92 94 Tries to steal Crypto Currency Wallets 42->94 signatures18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/effaa743cfe7ba8b66994adae079ff6eb4c69f183f03c5f731536c9560a67fca/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-08-08 14:08:11 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=575koq6p465iwzuzjlnoa6p7n22mnhyyh4b4l5zrknwjkyfgp7fa._file
Verdict:
malicious
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/220808-rfjjksdha4/
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
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
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
Malware Config
C2 Extraction:
http://acacaca.org/test2/get.php
Unpacked files
SH256 hash:
2f29f546782064a7beab638e2b06168f975d6913823eb938126c0f28b4d53c55
MD5 hash:
bd4ed3936d797b4cfd9f67f3f0a87e45
SHA1 hash:
79ba1ae65249da348ad93f2c990770cb784f0f44
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/79393885-c2c9-4788-83b9-16c234ba3b15/
Parent samples :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 hash:
effaa743cfe7ba8b66994adae079ff6eb4c69f183f03c5f731536c9560a67fca
MD5 hash:
fb1a028be29cf6bf675d858c1d626564
SHA1 hash:
648e8ed22bf160ef9545fb4cda18e02869f1ba4f
Link:
https://www.unpac.me/results/79393885-c2c9-4788-83b9-16c234ba3b15/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/effaa743cfe7/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/effaa743cfe7ba8b66994adae079ff6eb4c69f183f03c5f731536c9560a67fca

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

Web download

ArkeiStealer

Executable exe effaa743cfe7ba8b66994adae079ff6eb4c69f183f03c5f731536c9560a67fca

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2261263/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/297154/

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