MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2531fbdd1d763ac1d257cc43b7806c8cc6b71f65bbc5cc3513a9a11cda2b228. 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: 12


Intelligence 12 IOCs 1 YARA File information Comments

SHA256 hash: b2531fbdd1d763ac1d257cc43b7806c8cc6b71f65bbc5cc3513a9a11cda2b228
SHA3-384 hash: d2534f01aa4a06921313db5fd1ce5b304bb7a52e26b7a1ca2e9ea63fa4e2ebba890f0afefb4f9078fba8c1c90c7ca3f2
SHA1 hash: 88f3cda3705c3de25430443c0b871494a4f902e6
MD5 hash: 256df7ef2c915f8a7ba2fbb72c684c40
humanhash: mike-august-hamper-beryllium
File name:256df7ef2c915f8a7ba2fbb72c684c40.exe
Download: download sample
Signature ArkeiStealer
File size:10'998'696 bytes
First seen:2022-09-17 04:35:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7a4eaeda5ddff0d1cd8a6ce950f0f8c8 (10 x ArkeiStealer)
ssdeep 98304:N8bZ43hbmCh+H33oCJDmydqKkLtP9v/vhbP8lKaMtD8iEZYKJI/9Lg:C+3tUHHXhmyUKi19XvdPiTCAm/
Threatray 419 similar samples on MalwareBazaar
TLSH T168B63367126A0144D1F9CE3ACE23BE8A31F152F79A8198BCB59D1DC13317794A737E82
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)
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://94.131.97.111/

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://94.131.97.111/ https://threatfox.abuse.ch/ioc/850135/

Intelligence


File Origin
# of uploads :
1
# of downloads :
294
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
256df7ef2c915f8a7ba2fbb72c684c40.exe
Verdict:
Malicious activity
Analysis date:
2022-09-17 04:38:04 UTC
Tags:
trojan stealer arkei

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

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Stealing user critical data
Launching a tool to kill processes
Enabling autorun by creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
overlay packed
Result
Verdict:
MALICIOUS
Result
Threat name:
Clipboard Hijacker, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
PE file has nameless sections
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected Clipboard Hijacker
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 704632 Sample: e87B8GC153.exe Startdate: 17/09/2022 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Multi AV Scanner detection for domain / URL 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 10 other signatures 2->76 8 e87B8GC153.exe 22 2->8         started        13 eventvwr.exe 2->13         started        process3 dnsIp4 56 193.149.129.135, 49722, 80 DANISCODK Denmark 8->56 58 t.me 149.154.167.99, 443, 49720 TELEGRAMRU United Kingdom 8->58 60 94.131.97.111, 49721, 80 NASSIST-ASGI Ukraine 8->60 46 C:\Users\user\...\81852849956384[1].bin, PE32 8->46 dropped 48 C:\ProgramData\92001772983793540074.exe, PE32 8->48 dropped 78 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 8->78 80 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 8->80 82 Self deletion via cmd or bat file 8->82 90 3 other signatures 8->90 15 92001772983793540074.exe 4 8->15         started        19 WerFault.exe 23 9 8->19         started        22 cmd.exe 1 8->22         started        84 Multi AV Scanner detection for dropped file 13->84 86 Detected unpacking (changes PE section rights) 13->86 88 Detected unpacking (overwrites its own PE header) 13->88 92 2 other signatures 13->92 24 schtasks.exe 1 13->24         started        26 svchost.exe 1 13->26         started        file5 signatures6 process7 dnsIp8 50 C:\Users\user\AppData\...\eventvwr.exe, PE32 15->50 dropped 62 Multi AV Scanner detection for dropped file 15->62 64 Machine Learning detection for dropped file 15->64 66 Uses schtasks.exe or at.exe to add and modify task schedules 15->66 68 Hides threads from debuggers 15->68 28 schtasks.exe 1 15->28         started        30 schtasks.exe 1 15->30         started        32 WerFault.exe 19 9 15->32         started        54 192.168.2.1 unknown unknown 19->54 52 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 19->52 dropped 34 taskkill.exe 1 22->34         started        36 conhost.exe 22->36         started        38 timeout.exe 1 22->38         started        40 conhost.exe 24->40         started        file9 signatures10 process11 process12 42 conhost.exe 28->42         started        44 conhost.exe 30->44         started       
Threat name:
Win32.Infostealer.Bandra
Status:
Malicious
First seen:
2022-09-14 06:31:45 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 40 (55.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks installed software on the system
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
d52c2a0e758db46b428c48e5fa82afd9b2bdb5823067373b1d71d0934fbe1ddd
MD5 hash:
c8832f3cfcd0da907587d0ae9fb06ea9
SHA1 hash:
163674123ab741e1cffff77a184d7ec294d97337
SH256 hash:
b2531fbdd1d763ac1d257cc43b7806c8cc6b71f65bbc5cc3513a9a11cda2b228
MD5 hash:
256df7ef2c915f8a7ba2fbb72c684c40
SHA1 hash:
88f3cda3705c3de25430443c0b871494a4f902e6
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

ArkeiStealer

Executable exe b2531fbdd1d763ac1d257cc43b7806c8cc6b71f65bbc5cc3513a9a11cda2b228

(this sample)

  
Delivery method
Distributed via web download

Comments