MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03e91f337bf413ecaa5439eac42df8f25c1c3150f6b7d058126395b0e66584bd. 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: 16


Intelligence 16 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03e91f337bf413ecaa5439eac42df8f25c1c3150f6b7d058126395b0e66584bd
SHA3-384 hash: 95a7ed73b689a5f80940690e1903cfa34e09019fea8da11efc893912a7c71803c88a92cf41b1c5b9b06902e5d1c6876a
SHA1 hash: 64cbe8affd6c5012c560babeae578f2f47186f93
MD5 hash: 51cc8609e514245a9852c555da62dda1
humanhash: queen-solar-uranus-video
File name:51cc8609e514245a9852c555da62dda1.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:338'432 bytes
First seen:2023-09-08 19:50:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1d0451776beaf42e4da107a3626cfd10 (3 x RedLineStealer, 3 x Smoke Loader, 2 x Stealc)
ssdeep 6144:bRLL0aGhtBN/Xi8WY6+K65XhKHbGw+7ohTuI+IF:bRf0BtEveSylSF
Threatray 11 similar samples on MalwareBazaar
TLSH T160747B03A2D3FC61D91547329F2ED2EC771EBB218E5BAB7622186E1F1472172D563328
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 000828480a030600 (3 x Smoke Loader, 1 x ArkeiStealer)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
330
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
arkei
Create hunting rule
ID:
1
File name:
51cc8609e514245a9852c555da62dda1.exe
Verdict:
Malicious activity
Analysis date:
2023-09-08 19:53:03 UTC
Tags:
gcleaner loader stealer arkei vidar
Link:
https://app.any.run/tasks/52128124-cc7d-4241-aeeb-bdaef4d89d56

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
OnlyLogger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/447591/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/64fb7b26efe2af27e9c77dc1/reports/f0ba8d5a-9020-490d-b753-22c9ba63f0f3/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/03e91f337bf413ecaa5439eac42df8f25c1c3150f6b7d058126395b0e66584bd
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.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/24166e52-a771-4c9e-8d1b-df1e9ec3b4ac
Result
Threat name:
Vidar, onlyLogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1306482
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Malicious sample detected (through community Yara rule)
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
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 known network protocols on non-standard ports
Yara detected onlyLogger
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1306482 Sample: DlX3Br89a2.exe Startdate: 08/09/2023 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 8 other signatures 2->56 7 DlX3Br89a2.exe 19 2->7         started        process3 dnsIp4 36 5.42.64.2, 49721, 49722, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 7->36 38 xxe82.bmtrck.com 52.9.43.57, 49730, 80 AMAZON-02US United States 7->38 40 4 other IPs or domains 7->40 26 C:\Users\user\AppData\...\7844975780.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\Local\...\s51[1], PE32 7->28 dropped 30 C:\Users\user\AppData\Local\...\s51[1], PE32 7->30 dropped 58 Detected unpacking (changes PE section rights) 7->58 60 Detected unpacking (overwrites its own PE header) 7->60 12 cmd.exe 1 7->12         started        14 cmd.exe 1 7->14         started        file5 signatures6 process7 process8 16 7844975780.exe 18 12->16         started        20 conhost.exe 12->20         started        22 taskkill.exe 1 14->22         started        24 conhost.exe 14->24         started        dnsIp9 32 t.me 149.154.167.99, 443, 49729 TELEGRAMRU United Kingdom 16->32 34 78.47.49.22, 49731, 9000 HETZNER-ASDE Germany 16->34 42 Detected unpacking (changes PE section rights) 16->42 44 Detected unpacking (overwrites its own PE header) 16->44 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->46 48 5 other signatures 16->48 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/03e91f337bf413ecaa5439eac42df8f25c1c3150f6b7d058126395b0e66584bd/
Threat name:
Win32.Trojan.Lgoogloader
Create hunting rule
Status:
Malicious
First seen:
2023-09-08 10:55:29 UTC
File Type:
PE (Exe)
Extracted files:
40
AV detection:
30 of 37 (81.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=apur6m336qj6zksuhhvmilpy6jobymkq6235awasmok3bztfqs6q._file
Verdict:
malicious
Similar samples:
26ea2e194d4c46b8b8876a642c2cc8f621ce40d71e48aa970e07b854cfeb789e
ArkeiStealer
2769367b3ad0851396b0a4d92c0a4f92caaefb22a0fb2cfc8d590b52a40000c1
ArkeiStealer
3a2be7855350184ea40ecac7315587f1256413b98c204c22ec78507812551a96
ArkeiStealer
41cb2bccbdbde22ae115a9a3f2b05c28986f3ddea5cdbe82e3a0fd414e573626
ArkeiStealer
49b2c4652c7c95e8786bc270aee1d8384c75a7164f0f3df0baae7fdab571a347
ArkeiStealer
6846828546f5883942cb40ad28958a9cde3b54b1838851e8b52d33fcbdeae3c7
ArkeiStealer
a58eb00dc23a5b23214a1e4db215cd00fe6ed77aeda1537ea4fd76aa3ef749fd
ArkeiStealer
cb0622ed5e4fe421c32b253180f14e4893f8ae0c7b48e75a49a21a2c64234bcb
ArkeiStealer
daf7c331367f70aa3586861539589c08197ecb81a0e4f788a3c6e4949e75531c
ArkeiStealer
fc5336b039a9cc8e14d515f338c90a5a404249adab200032324c65f055904255
ArkeiStealer
+ 1 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:3cc7bdcabe817dc0282ac6c2b73074dc discovery spyware stealer
Link:
https://tria.ge/reports/230908-yks25sfa92/
Behaviour
Checks processor information in registry
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
Checks installed software on the system
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Vidar
Malware Config
C2 Extraction:
https://t.me/macstoc
https://steamcommunity.com/profiles/76561199548518734
Unpacked files
SH256 hash:
239ca8d451c72d48f8d4292b3887d10359530974147e273d4fbfdfca48be80ab
MD5 hash:
c8da040d9a65bce8a3253fdad3207ad7
SHA1 hash:
833c71c44afb6a22d05944642c80036a70c13c94
Link:
https://www.unpac.me/results/1839f0d5-88d7-49fd-81ac-4d1fbb639a31/
SH256 hash:
03e91f337bf413ecaa5439eac42df8f25c1c3150f6b7d058126395b0e66584bd
MD5 hash:
51cc8609e514245a9852c555da62dda1
SHA1 hash:
64cbe8affd6c5012c560babeae578f2f47186f93
Link:
https://www.unpac.me/results/1839f0d5-88d7-49fd-81ac-4d1fbb639a31/
Malware family:
Vidar.A
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/03e91f337bf4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/03e91f337bf413ecaa5439eac42df8f25c1c3150f6b7d058126395b0e66584bd

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_OnlyLogger
Create hunting rule
Author:ditekSHen
Description:Detects OnlyLogger loader variants
Rule name:Telegram_Links
Create hunting rule
Rule name:Vidar
Create hunting rule
Author:kevoreilly,rony
Description:Vidar Payload
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:win_gcleaner_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.
Rule name:win_vidar
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detection of Vidar Stealer and Variants via strings present in final unpacked payloads
Rule name:win_vidar_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.vidar.
Rule name:win_vidar_strings_jun_2023
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detection of Vidar Stealer and Variants via strings present in final unpacked payloads
Rule name:yara_template
Create hunting rule

File information

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

Web download

ArkeiStealer

Executable exe 03e91f337bf413ecaa5439eac42df8f25c1c3150f6b7d058126395b0e66584bd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2708737/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/447591/

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