MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf6ed9f5ca0c3261ed154a6ac8e40f3c036083f7be7dd8130a33b9d184a03c79. 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 7 File information Comments

SHA256 hash: bf6ed9f5ca0c3261ed154a6ac8e40f3c036083f7be7dd8130a33b9d184a03c79
SHA3-384 hash: 4aae834da09aece5e4a2eac7fe4a194fe8a78f58c02d916f4680538ec3cfe964d1cbd89eb183e51662316107f0abd80e
SHA1 hash: c3c2dc2bffa7a2159fe8dbe113109d785d87e7d9
MD5 hash: dea5f14a15c4b4b7a02447585b37846d
humanhash: item-sink-carbon-december
File name:dea5f14a15c4b4b7a02447585b37846d.exe
Download: download sample
Signature ArkeiStealer
File size:662'016 bytes
First seen:2021-07-12 08:47:14 UTC
Last seen:2021-07-12 09:59:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:nuZgimjE6iuO9/S+Mmh8rWk9f2EUpFg2ynSkgT04x8I43bw3pG51n+:Dj3Or9h2WktT2OSHI4VDA51n
Threatray 1'740 similar samples on MalwareBazaar
TLSH T136E4231371988D89D2C862738DD5983086F1E843A824C54A35CCD6B79F6BFDEC36A727
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dea5f14a15c4b4b7a02447585b37846d.exe
Verdict:
Malicious activity
Analysis date:
2021-07-12 08:51:38 UTC
Tags:
trojan stealer vidar loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 447106 Sample: XbDIT0K4VD.exe Startdate: 12/07/2021 Architecture: WINDOWS Score: 100 47 Multi AV Scanner detection for domain / URL 2->47 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 5 other signatures 2->53 8 XbDIT0K4VD.exe 5 2->8         started        process3 file4 27 C:\Users\user\AppData\...\XbDIT0K4VD.exe, PE32 8->27 dropped 29 C:\Users\...\XbDIT0K4VD.exe:Zone.Identifier, ASCII 8->29 dropped 31 C:\Users\user\AppData\...\XbDIT0K4VD.exe.log, ASCII 8->31 dropped 55 Writes to foreign memory regions 8->55 57 Injects a PE file into a foreign processes 8->57 12 XbDIT0K4VD.exe 91 8->12         started        17 XbDIT0K4VD.exe 8->17         started        signatures5 process6 dnsIp7 41 sergeevih43.tumblr.com 74.114.154.22, 443, 49718 AUTOMATTICUS Canada 12->41 43 162.55.223.232, 49719, 80 ACPCA United States 12->43 45 192.168.2.1 unknown unknown 12->45 33 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->33 dropped 35 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->35 dropped 37 C:\Users\user\AppData\...\freebl3[1].dll, PE32 12->37 dropped 39 9 other files (none is malicious) 12->39 dropped 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->59 61 Tries to harvest and steal browser information (history, passwords, etc) 12->61 63 Tries to steal Crypto Currency Wallets 12->63 19 cmd.exe 1 12->19         started        65 Machine Learning detection for dropped file 17->65 file8 signatures9 process10 process11 21 taskkill.exe 1 19->21         started        23 conhost.exe 19->23         started        25 timeout.exe 1 19->25         started       
Threat name:
Win32.Trojan.Chapak
Status:
Malicious
First seen:
2021-07-11 15:23:33 UTC
AV detection:
9 of 29 (31.03%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:313 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
Suspicious use of SetThreadContext
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 user/profile data of web browsers
Downloads MZ/PE file
Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://sergeevih43.tumblr.com/
Unpacked files
SH256 hash:
c479afa5916cf0483cbe819d20058d45d47becda7f04d55050dce71f17eaf2b4
MD5 hash:
ebcb9e3b9ce908f5626d9629b9c0f199
SHA1 hash:
aa27a0f1c3ede41806b1c4db6cc0bd08738c56b0
SH256 hash:
a3f8f52c1465fae3278673c16272119d03a0deefd89699dcba9be82e70739a85
MD5 hash:
d0d60a1447e5d3aaa7b9aeb78da1ef0c
SHA1 hash:
979e34e51753fdcfaf1edde78777f7c48d67b445
SH256 hash:
83b6af2bb44845aa710379f2a4c784c23de81a3068bda63c2d515fc2691b0b34
MD5 hash:
7076fdd05158a8e07ca41f6cb74a2cb3
SHA1 hash:
227a3598329147a28857a2b0a41bca687e9f3a14
SH256 hash:
bf6ed9f5ca0c3261ed154a6ac8e40f3c036083f7be7dd8130a33b9d184a03c79
MD5 hash:
dea5f14a15c4b4b7a02447585b37846d
SHA1 hash:
c3c2dc2bffa7a2159fe8dbe113109d785d87e7d9
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_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICOIUS_EXE_WindDefender_AntiEmaulation
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:pe_imphash
Rule name:RedOctoberPluginCollectInfo
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Vidar
Author:kevoreilly
Description:Vidar Payload

File information


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

Web download

ArkeiStealer

Executable exe bf6ed9f5ca0c3261ed154a6ac8e40f3c036083f7be7dd8130a33b9d184a03c79

(this sample)

  
Delivery method
Distributed via web download

Comments