MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 68652defc71770065997b7d60a64a3959446a114a2ee17a443a15ae8b767f150. 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: 15


Intelligence 15 IOCs 7 YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 68652defc71770065997b7d60a64a3959446a114a2ee17a443a15ae8b767f150
SHA3-384 hash: eae96105c5f5e7a2bbf8a96022a3d14a4a46d921c37a38378557d42d031122cdcff822044197e3785d52f54b7a0fe791
SHA1 hash: 54b29a0a0d05e9deb1b28ea08e72545774dee65a
MD5 hash: a03e9d78a3f0a89f5e9f98872635b6d8
humanhash: jersey-winter-neptune-carolina
File name:a03e9d78a3f0a89f5e9f98872635b6d8.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:4'205'568 bytes
First seen:2022-08-06 12:15:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f4d09fd7bd56cf3e73816aaffeb34212 (1 x ArkeiStealer)
ssdeep 98304:e7GTF0hs4JkUQBIsWFIwuV3c+rFzB7TOqFfjle3uuCOR:evqjzBPOgfjleio
TLSH T143166DE27605F2CFD48E2A789497DE47985C83F58621D802DC6DF87E7E63C8911C6E28
TrID 29.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
22.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4505/5/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon f8f0f4c8c8c8d8f0 (8'803 x RedLineStealer, 5'078 x Amadey, 288 x Smoke Loader)
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://rgjeweller.mu/oski//6.jpg

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://rgjeweller.mu/oski//6.jpg https://threatfox.abuse.ch/ioc/841631/
http://rgjeweller.mu/oski//1.jpg https://threatfox.abuse.ch/ioc/841632/
http://rgjeweller.mu/oski//2.jpg https://threatfox.abuse.ch/ioc/841633/
http://rgjeweller.mu/oski//3.jpg https://threatfox.abuse.ch/ioc/841634/
http://rgjeweller.mu/oski//4.jpg https://threatfox.abuse.ch/ioc/841635/
http://rgjeweller.mu/oski//5.jpg https://threatfox.abuse.ch/ioc/841636/
http://rgjeweller.mu/oski//7.jpg https://threatfox.abuse.ch/ioc/841637/

Intelligence

File Origin
# of uploads :
1
# of downloads :
359
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
a03e9d78a3f0a89f5e9f98872635b6d8.exe
Verdict:
Malicious activity
Analysis date:
2022-08-06 12:20:44 UTC
Tags:
trojan stealer vidar loader
Link:
https://app.any.run/tasks/88e89d79-589c-46a9-b159-095d2a967555

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/296867/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Сreating synchronization primitives
Creating a file in the Windows directory
Modifying an executable file
DNS request
Creating a file
Reading critical registry keys
Creating a window
Delayed writing of the file
Creating a file in the Program Files subdirectories
Running batch commands
Searching for the window
Using the Windows Management Instrumentation requests
Enabling autorun with the shell\open\command registry branches
Stealing user critical data
Launching a tool to kill processes
Infecting executable files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed virus vobfus wacatac
Link:
https://www.filescan.io/uploads/62ee5bfcbcf76fcb6cec9c5e/reports/02106996-a23e-4b14-8d28-563273ce150c/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:
Oski Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/375fb222-3c32-441a-89c4-eaaccf4d1e2a
Result
Threat name:
Neshta, Oski Stealer
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1047279
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates an undocumented autostart registry key
Downloads files with wrong headers with respect to MIME Content-Type
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Infects executable files (exe, dll, sys, html)
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Posts data to a JPG file (protocol mismatch)
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected Neshta
Yara detected Oski Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 679773 Sample: huFauyVpuM.exe Startdate: 06/08/2022 Architecture: WINDOWS Score: 100 65 Snort IDS alert for network traffic 2->65 67 Multi AV Scanner detection for domain / URL 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 11 other signatures 2->71 10 svchost.com 2 2->10         started        14 huFauyVpuM.exe 1 3 2->14         started        process3 file4 51 C:\...\protocolhandler.exe, PE32 10->51 dropped 53 C:\Program Files (x86)\...\misc.exe, PE32 10->53 dropped 55 C:\Program Files (x86)\...\lynchtmlconv.exe, PE32 10->55 dropped 59 99 other malicious files 10->59 dropped 87 Sample is not signed and drops a device driver 10->87 89 Drops executable to a common third party application directory 10->89 91 Infects executable files (exe, dll, sys, html) 10->91 16 rundll32.exe 10->16         started        57 C:\Users\user\AppData\Local\...\TESTTING.exe, PE32 14->57 dropped 93 Query firmware table information (likely to detect VMs) 14->93 95 Tries to detect sandboxes / dynamic malware analysis system (registry check) 14->95 18 TESTTING.exe 19 14->18         started        signatures5 process6 file7 35 C:\Windows\svchost.com, PE32 18->35 dropped 37 C:\Users\user\AppData\Local\...\setup.exe, PE32 18->37 dropped 39 C:\Users\user\AppData\Local\...\TESTTING.exe, PE32 18->39 dropped 41 8 other malicious files 18->41 dropped 73 Creates an undocumented autostart registry key 18->73 75 Drops PE files with a suspicious file extension 18->75 77 Drops executable to a common third party application directory 18->77 79 Infects executable files (exe, dll, sys, html) 18->79 22 TESTTING.exe 1 196 18->22         started        signatures8 process9 dnsIp10 61 rgjeweller.mu 23.235.193.45, 49756, 49758, 49759 INMOTI-1US United States 22->61 63 192.168.2.1 unknown unknown 22->63 43 C:\ProgramData\vcruntime140.dll, PE32 22->43 dropped 45 C:\ProgramData\sqlite3.dll, PE32 22->45 dropped 47 C:\ProgramData\softokn3.dll, PE32 22->47 dropped 49 4 other files (none is malicious) 22->49 dropped 81 Drops executables to the windows directory (C:\Windows) and starts them 22->81 83 Tries to harvest and steal browser information (history, passwords, etc) 22->83 85 Tries to steal Crypto Currency Wallets 22->85 27 svchost.com 22->27         started        file11 signatures12 process13 process14 29 cmd.exe 1 27->29         started        process15 31 taskkill.exe 1 29->31         started        33 conhost.exe 29->33         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/68652defc71770065997b7d60a64a3959446a114a2ee17a443a15ae8b767f150/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2022-07-18 19:26:00 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nbss336hc5yamwmxw7lauzfdswkeniiuulxbpjcdufnorn3h6fia._file
Verdict:
malicious
Result
Malware family:
oski
Create hunting rule
Score:
  10/10
Tags:
family:neshta family:oski discovery evasion infostealer persistence spyware stealer themida trojan
Link:
https://tria.ge/reports/220806-pffrkshaa3/
Behaviour
Checks processor information in registry
Kills process with taskkill
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks whether UAC is enabled
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Themida packer
Downloads MZ/PE file
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Detect Neshta payload
Modifies system executable filetype association
Neshta
Oski
Malware Config
C2 Extraction:
rgjeweller.mu/oski/
Unpacked files
SH256 hash:
d5ece52a71f0de749b31eb99c506c8b9147f2b690b1f85a88c1ad0357540a6a9
MD5 hash:
b01db2780c5a1bbeb3b76e97eb5ea754
SHA1 hash:
c75b2d4e0c81fb42ccf8b6d7da6e3134b480c7dc
Detections:
win_neshta_g0
Create hunting rule
Link:
https://www.unpac.me/results/f1f5e62c-6ea9-4f59-ad3d-43e2dcb6adf1/
Parent samples :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 hash:
7515f266015f8d2861b2437340260ea94e99add4870edcc02faa6d12d6f0b678
MD5 hash:
c997eba88f1f99cc816d2141bc557f7a
SHA1 hash:
9d35a68c290745890208a46d0e29b93956ec831a
Detections:
win_oski_g0
Create hunting rule
win_oski_auto
Create hunting rule
OskiStealer
Create hunting rule
Link:
https://www.unpac.me/results/f1f5e62c-6ea9-4f59-ad3d-43e2dcb6adf1/
SH256 hash:
68652defc71770065997b7d60a64a3959446a114a2ee17a443a15ae8b767f150
MD5 hash:
a03e9d78a3f0a89f5e9f98872635b6d8
SHA1 hash:
54b29a0a0d05e9deb1b28ea08e72545774dee65a
Link:
https://www.unpac.me/results/f1f5e62c-6ea9-4f59-ad3d-43e2dcb6adf1/
Malware family:
OskiStealer
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/68652defc717/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/68652defc71770065997b7d60a64a3959446a114a2ee17a443a15ae8b767f150

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:INDICATOR_EXE_Packed_Themida
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Themida

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/296867/

Comments