MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c902b5da243bec90b83e4d68e4e8c097d1e36e9d9508c5095023f801440d977. 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 1 File information Comments

SHA256 hash: 7c902b5da243bec90b83e4d68e4e8c097d1e36e9d9508c5095023f801440d977
SHA3-384 hash: b850c5fc5e9046a64393f8a3c5928494fe0fcfbd69926ab4d5b55bac17dc906ef8e99257d0b97e5069e4f3954d4b77f7
SHA1 hash: 315ce26971f6d2ab8d273911b9f1b4b80c8c55da
MD5 hash: 39fd75f0bb7b92981f00e277ded19951
humanhash: aspen-zulu-utah-spring
File name:39fd75f0bb7b92981f00e277ded19951.exe
Download: download sample
Signature ArkeiStealer
File size:327'168 bytes
First seen:2021-03-24 20:57:05 UTC
Last seen:2021-03-24 22:44:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9ccb8d78f748eb70afd267647e41d62d (1 x ArkeiStealer)
ssdeep 6144:RSUBzaY83puWjG5VUDc4r6T7qGsb3NaOM7d4f0CNCs:DzaY83phjsUY7Ktb9aOM7NCN
Threatray 120 similar samples on MalwareBazaar
TLSH D164AD1032E1C073D413257949B1D7B18A7EB8A22B219ACBBBD42B785F397D19A3534F
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://ciaociaoline.com/

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://ciaociaoline.com/ https://threatfox.abuse.ch/ioc/5151/

Intelligence


File Origin
# of uploads :
2
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PlayerUI.exe
Verdict:
Malicious activity
Analysis date:
2021-03-19 20:20:52 UTC
Tags:
evasion trojan loader stealer autoit vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Launching the default Windows debugger (dwwin.exe)
DNS request
Deleting a recently created file
Creating a file in the %temp% subdirectories
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Sending an HTTP GET request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Searching for the window
Creating a file
Replacing files
Reading critical registry keys
Delayed reading of the file
Creating a window
Delayed writing of the file
Sending an HTTP POST request
Launching a process
Launching cmd.exe command interpreter
Launching a tool to kill processes
Stealing user critical data
Sending an HTTP GET request to an infection source
Forced shutdown of a browser
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:
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Country aware sample found (crashes after keyboard check)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Tries to harvest and steal Bitcoin Wallet information
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
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 375467 Sample: WjbzA1N4Ms.exe Startdate: 24/03/2021 Architecture: WINDOWS Score: 100 68 Multi AV Scanner detection for domain / URL 2->68 70 Found malware configuration 2->70 72 Antivirus detection for URL or domain 2->72 74 6 other signatures 2->74 7 WjbzA1N4Ms.exe 23 2->7         started        process3 dnsIp4 62 gclean.in 195.58.49.13, 49745, 49746, 80 FLEX-ASRU Russian Federation 7->62 64 iplogger.org 88.99.66.31, 443, 49772, 49773 HETZNER-ASDE Germany 7->64 66 akwer03.top 8.209.101.43, 49766, 49767, 49770 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 7->66 38 C:\Users\user\AppData\...\04602807069.exe, PE32 7->38 dropped 40 C:\Users\user\AppData\Local\...\file[1].exe, PE32 7->40 dropped 42 C:\Users\user\AppData\Local\...\null[1], PE32 7->42 dropped 44 3 other files (none is malicious) 7->44 dropped 84 Detected unpacking (changes PE section rights) 7->84 86 Detected unpacking (overwrites its own PE header) 7->86 88 May check the online IP address of the machine 7->88 12 cmd.exe 1 7->12         started        14 WerFault.exe 9 7->14         started        17 WerFault.exe 9 7->17         started        19 6 other processes 7->19 file5 signatures6 process7 file8 21 04602807069.exe 12->21         started        26 conhost.exe 12->26         started        46 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 14->46 dropped 48 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 17->48 dropped 50 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 19->50 dropped 52 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 19->52 dropped 54 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 19->54 dropped 56 2 other malicious files 19->56 dropped 28 conhost.exe 19->28         started        process9 dnsIp10 58 ciaociaoline.com 78.46.142.223, 49769, 80 HETZNER-ASDE Germany 21->58 60 api.faceit.com 104.17.63.50, 443, 49768 CLOUDFLARENETUS United States 21->60 30 C:\Users\user\AppData\...\softokn3[1].dll, PE32 21->30 dropped 32 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 21->32 dropped 34 C:\Users\user\AppData\...\mozglue[1].dll, PE32 21->34 dropped 36 9 other files (none is malicious) 21->36 dropped 76 Detected unpacking (changes PE section rights) 21->76 78 Detected unpacking (overwrites its own PE header) 21->78 80 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->80 82 5 other signatures 21->82 file11 signatures12
Threat name:
Win32.Trojan.Glupteba
Status:
Malicious
First seen:
2021-03-20 01:45:29 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar discovery spyware stealer
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
Program crash
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Deletes itself
Loads dropped DLL
Reads local data of messenger clients
Reads user/profile data of web browsers
Executes dropped EXE
Suspicious use of NtCreateProcessExOtherParentProcess
Vidar
Unpacked files
SH256 hash:
6b83294d09ae3cc42e611f4cb153136f82e504177a6058c2c59cf5c4c2b5ed6e
MD5 hash:
13bbe74606eea1ee0deb63b35d6388b0
SHA1 hash:
dd976fef2c630b63858ee6e76616c2f199899fa1
SH256 hash:
7c902b5da243bec90b83e4d68e4e8c097d1e36e9d9508c5095023f801440d977
MD5 hash:
39fd75f0bb7b92981f00e277ded19951
SHA1 hash:
315ce26971f6d2ab8d273911b9f1b4b80c8c55da
Please note that we are no longer able to provide a coverage score for Virus Total.

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:SUSP_XORed_Mozilla
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments