MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e8caa79da5237c8973fa2490bfd316a5001e5ed3a5175c9f7d5d2f84cd009f7. 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


OskiStealer


Vendor detections: 11


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

SHA256 hash: 8e8caa79da5237c8973fa2490bfd316a5001e5ed3a5175c9f7d5d2f84cd009f7
SHA3-384 hash: a2e392d7dfda09757f43dc315faa481ff6d40bc3926ecde7416f04196dfd4905ccda82e8f2eb264abd9bc7a191c2699c
SHA1 hash: afe4ccffdeb9bf34ddbfa2a5e1c74275d946f49f
MD5 hash: 13558e54c5e5cbf79bd66c892d3ee2b1
humanhash: oranges-video-missouri-jig
File name:8E8CAA79DA5237C8973FA2490BFD316A5001E5ED3A517.exe
Download: download sample
Signature OskiStealer
Create hunting rule
File size:176'161 bytes
First seen:2022-03-11 18:56:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4d17be67c8d0394c5c1b8e725359ed89 (5 x Adware.Generic, 4 x njrat, 3 x NanoCore)
ssdeep 3072:1KDAfCDSmJTC7cs5sO1aZ4WvLVNQ1x8EP12pNAejCx9cdFt974RH:1RACYs5sq1qLVNQ1x8qsPTCxYFt9uH
TLSH T1E204F1D35290CDDEF537D270F0F21968F1658B63E1731A3B1B632FBA06650828619AB3
File icon (PE):PE icon
dhash icon e8f0f0d4cce8f0e8 (1 x OskiStealer)
Reporter abuse_ch
Tags:exe OskiStealer


Avatar
abuse_ch
OskiStealer C2:
46.101.75.69:8008

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
46.101.75.69:8008 https://threatfox.abuse.ch/ioc/393780/

Intelligence

File Origin
# of uploads :
1
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IPTV Stream Checker 3.3.exe
Verdict:
Suspicious activity
Analysis date:
2020-10-22 18:13:07 UTC
Tags:
installer
Link:
https://app.any.run/tasks/099e92dc-2d3a-4a4c-800f-04ec24f95f9a

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/249673/
Detection(s):
Win.Packed.Gorgon-8180272-0
Create hunting rule

SecuriteInfo.com.PSW.Generic8.CDKL.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
DNS request
Sending a custom TCP request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Changing a file
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi control.exe gorgon overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/622b9b83b94fb38cb45eee8d/reports/ab6cd7c6-33d2-4bcf-83d6-aae6d3546b9f/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9a35bd01-d716-4a53-90d1-ff3ca9f9baa9
Result
Threat name:
AveMaria LimeRAT Oski Stealer Redline Cl
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/955149
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Connects to a pastebin service (likely for C&C)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Posts data to a JPG file (protocol mismatch)
Protects its processes via BreakOnTermination flag
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Suspicius Schtasks From Env Var Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AveMaria stealer
Yara detected LimeRAT
Yara detected Oski Stealer
Yara detected Redline Clipper
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 587629 Sample: 8E8CAA79DA5237C8973FA2490BF... Startdate: 11/03/2022 Architecture: WINDOWS Score: 100 78 raw.githubusercontent.com 2->78 80 ip-api.com 2->80 82 5 other IPs or domains 2->82 104 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->104 106 Malicious sample detected (through community Yara rule) 2->106 108 Antivirus detection for URL or domain 2->108 110 23 other signatures 2->110 11 8E8CAA79DA5237C8973FA2490BFD316A5001E5ED3A517.exe 10 2->11         started        14 Driver AMDs.exe 14 3 2->14         started        17 taskshell.exe 2->17         started        19 taskshell.exe 2->19         started        signatures3 process4 dnsIp5 72 C:\Users\user\AppData\Local\...\Microsoft.exe, PE32 11->72 dropped 74 C:\Users\user\...\IPTV Stream Checker.exe, PE32 11->74 dropped 21 Microsoft.exe 15 6 11->21         started        26 IPTV Stream Checker.exe 21 11->26         started        98 188.114.97.7, 443, 49772 CLOUDFLARENETUS European Union 14->98 100 tacticaltokens.com 14->100 file6 process7 dnsIp8 86 tacticaltokens.com 188.114.96.7, 443, 49753, 49770 CLOUDFLARENETUS European Union 21->86 88 192.168.2.1 unknown unknown 21->88 66 C:\Users\user\AppData\...\Driver AMDs.exe, PE32 21->66 dropped 126 Antivirus detection for dropped file 21->126 128 Protects its processes via BreakOnTermination flag 21->128 130 Machine Learning detection for dropped file 21->130 132 3 other signatures 21->132 28 Driver AMDs.exe 3 5 21->28         started        33 schtasks.exe 1 21->33         started        90 kingproxies.com 52.5.153.141, 443, 49779 AMAZON-AESUS United States 26->90 file9 signatures10 process11 dnsIp12 92 46.101.75.69, 49778, 8008 DIGITALOCEAN-ASNUS Netherlands 28->92 94 www.avp.ie 104.21.73.109, 49773, 80 CLOUDFLARENETUS United States 28->94 96 3 other IPs or domains 28->96 76 C:\Users\user\AppData\...\tmpDFAA.tmpdll.exe, PE32 28->76 dropped 142 Protects its processes via BreakOnTermination flag 28->142 35 tmpDFAA.tmpdll.exe 28->35         started        39 conhost.exe 33->39         started        file13 signatures14 process15 file16 58 C:\Users\user\AppData\Local\...\svchoste.exe, PE32 35->58 dropped 60 C:\Users\user\AppData\Local\Temp\dll.exe, PE32 35->60 dropped 62 C:\Users\user\AppData\...\chormuimii.exe, PE32 35->62 dropped 64 C:\Users\user\...\tmpDFAA.tmpdll.exe.log, ASCII 35->64 dropped 120 Antivirus detection for dropped file 35->120 122 Machine Learning detection for dropped file 35->122 124 Hides that the sample has been downloaded from the Internet (zone.identifier) 35->124 41 chormuimii.exe 35->41         started        45 dll.exe 35->45         started        47 svchoste.exe 35->47         started        signatures17 process18 dnsIp19 68 C:\Users\user\AppData\Local\...\chormuim.exe, PE32 41->68 dropped 134 Antivirus detection for dropped file 41->134 136 Machine Learning detection for dropped file 41->136 138 Hides that the sample has been downloaded from the Internet (zone.identifier) 41->138 50 chormuim.exe 41->50         started        70 C:\ProgramData\AMD Driver\taskshell.exe, PE32 45->70 dropped 54 taskshell.exe 45->54         started        102 pplonline.org 52.44.194.90, 443, 49780, 49781 AMAZON-AESUS United States 47->102 140 Tries to harvest and steal browser information (history, passwords, etc) 47->140 56 WerFault.exe 47->56         started        file20 signatures21 process22 dnsIp23 84 ip-api.com 208.95.112.1, 49786, 49792, 80 TUT-ASUS United States 50->84 112 Antivirus detection for dropped file 50->112 114 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 50->114 116 May check the online IP address of the machine 50->116 118 Machine Learning detection for dropped file 50->118 signatures24
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8e8caa79da5237c8973fa2490bfd316a5001e5ed3a5175c9f7d5d2f84cd009f7/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-10-23 03:56:32 UTC
File Type:
PE (Exe)
Extracted files:
43
AV detection:
28 of 42 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r2gku6o2ki34rfz7ujeqx7jrnjiadzpnhjixlspx2xjpqtgqbh3q._file
Verdict:
malicious
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:limerat family:oski family:stormkitty collection infostealer persistence rat spyware stealer suricata vmprotect
Link:
https://tria.ge/reports/220311-xlxw2sdggn/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Accesses Microsoft Outlook profiles
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Looks up geolocation information via web service
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
VMProtect packed file
LimeRAT
Oski
StormKitty
StormKitty Payload
suricata: ET MALWARE StormKitty Data Exfil via Telegram
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
Malware Config
C2 Extraction:
pplonline.org/Cgi/
Unpacked files
SH256 hash:
8e8caa79da5237c8973fa2490bfd316a5001e5ed3a5175c9f7d5d2f84cd009f7
MD5 hash:
13558e54c5e5cbf79bd66c892d3ee2b1
SHA1 hash:
afe4ccffdeb9bf34ddbfa2a5e1c74275d946f49f
Link:
https://www.unpac.me/results/254be715-dc64-4dcb-9a57-4a48389195be/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.89
Link:
https://yomi.yoroi.company/submissions/8e8caa79da5237c8973fa2490bfd316a5001e5ed3a5175c9f7d5d2f84cd009f7

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/249673/

Comments