MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cff8c57eac176c94df856e247a3deee346d7d884fcf8622ca7c18d111361b407. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments 1

SHA256 hash: cff8c57eac176c94df856e247a3deee346d7d884fcf8622ca7c18d111361b407
SHA3-384 hash: 77bf03017929d60c3fe123bd9bbe8d76bd88574672ad2f58bd547e3eda0cc594807cd6c8638daab5e933b3f100c1d1f4
SHA1 hash: ed8fe02a49333e63376d7289d77e206122fbe3b8
MD5 hash: 4d65c32da35233f04705126db7ffea99
humanhash: south-harry-may-eight
File name:F0UMJvDh49j51kxmt7LO.exe
Download: download sample
Signature ArkeiStealer
File size:570'372 bytes
First seen:2021-05-05 11:30:24 UTC
Last seen:2021-05-05 12:02:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7eec602028abbb0bc0db601f80320267 (2 x ArkeiStealer)
ssdeep 12288:jqPxeqlno/0eoTLD6mZ24RFxfoDMn/9+s4e5eIHVsbv2ymUhz7:UzlnhTLDC4Nfh/9+s4Kb1sb2ymUhz7
Threatray 760 similar samples on MalwareBazaar
TLSH 5EC402E2F590E037D46612704A21DB658BB8E8307F6945C3F7D82E692E7DED0223774A
Reporter starsSk87264403
Tags:ArkeiStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a file
Connection attempt
Sending an HTTP GET request
Sending a UDP request
Deleting a recently created file
Replacing files
Reading critical registry keys
Delayed writing of the file
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Launching a process
Stealing user critical data
Launching a tool to kill processes
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.
Threat name:
Win32.Trojan.Glupteba
Status:
Malicious
First seen:
2021-05-02 17:39:12 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
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads local data of messenger clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Vidar
Unpacked files
SH256 hash:
363b4956f72928aa09e7ecd601aaaf1cde5af343a96a56016d3cfb3ee4004a99
MD5 hash:
9a68f3fde74e9510d2c3d71eb06969f9
SHA1 hash:
f84bcca796272a1155f024a0d8ea48bdb0c36fbd
Detections:
win_vidar_auto
SH256 hash:
cff8c57eac176c94df856e247a3deee346d7d884fcf8622ca7c18d111361b407
MD5 hash:
4d65c32da35233f04705126db7ffea99
SHA1 hash:
ed8fe02a49333e63376d7289d77e206122fbe3b8
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:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Vidar
Author:kevoreilly
Description:Vidar Payload
Rule name:win_vidar_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:with_sqlite
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information


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

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-05 12:35:25 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0003.002] Communication Micro-objective::Connect Pipe::Interprocess Communication
1) [C0003.001] Communication Micro-objective::Create Pipe::Interprocess Communication
2) [C0003.003] Communication Micro-objective::Read Pipe::Interprocess Communication
3) [C0003.004] Communication Micro-objective::Write Pipe::Interprocess Communication
4) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
5) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0052] File System Micro-objective::Writes File
10) [C0007] Memory Micro-objective::Allocate Memory
11) [C0033] Operating System Micro-objective::Console
12) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
13) [C0040] Process Micro-objective::Allocate Thread Local Storage
14) [C0043] Process Micro-objective::Check Mutex
15) [C0042] Process Micro-objective::Create Mutex
16) [C0041] Process Micro-objective::Set Thread Local Storage Value
17) [C0018] Process Micro-objective::Terminate Process