MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a20723e685893bb03cdfc734c172e792a4d863381613b9d9d5719a9c00dc6fa3. 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 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a20723e685893bb03cdfc734c172e792a4d863381613b9d9d5719a9c00dc6fa3
SHA3-384 hash: a5d98f37807328e8ad488bbd8f28ce2b6cad1ceb27dda0540e9b1e3de0a41f147bb62313f5213b397a81a83974205bf6
SHA1 hash: 192f103ca0bc8f655d688756dc285618f3d115bd
MD5 hash: 284d61db6861694aee9a555a245bb8cc
humanhash: uniform-summer-fanta-potato
File name:284d61db6861694aee9a555a245bb8cc.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:404'480 bytes
First seen:2022-07-05 07:00:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash eab7d550b9cdca5c6bd9023d54b79da8 (10 x ArkeiStealer, 5 x Amadey, 3 x Smoke Loader)
ssdeep 12288:BGNKDhBKPIE7DTPEP5hGtacZfarKqDToePueMhF:ODgEPTsP5hMxSVDkeW
Threatray 5'278 similar samples on MalwareBazaar
TLSH T1B084CF10BA90C035F5F712F89A7A966CB93E3AA0973494CF62D526ED57346E1EC3031B
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13101/52/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b6dacabecee6baa6 (72 x Stop, 68 x RedLineStealer, 55 x Smoke Loader)
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://116.202.4.170/1448

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://116.202.4.170/1448 https://threatfox.abuse.ch/ioc/795358/

Intelligence

File Origin
# of uploads :
1
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.14331.6207.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Stealing user critical data
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/23834/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult crypter greyware packed
Link:
https://www.filescan.io/uploads/62c3e1b076fa5a599443ceda/reports/910b62d2-3304-47f1-ad13-da2213ac9a17/overview
Result
Verdict:
UNKNOWN
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/f483e54d-9f31-46e2-9516-ae6834e81271
Result
Threat name:
Amadey, Vidar
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1024597
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Creates an undocumented autostart registry key
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
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
Self deletion via cmd or bat file
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Amadeys stealer DLL
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 657092 Sample: R2GyQpJZ4F.exe Startdate: 05/07/2022 Architecture: WINDOWS Score: 100 73 Multi AV Scanner detection for domain / URL 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Antivirus detection for URL or domain 2->77 79 8 other signatures 2->79 9 R2GyQpJZ4F.exe 29 2->9         started        14 bguuwe.exe 2->14         started        16 bguuwe.exe 2->16         started        18 2 other processes 2->18 process3 dnsIp4 67 185.215.113.15 WHOLESALECONNECTIONSNL Portugal 9->67 69 149.154.167.99 TELEGRAMRU United Kingdom 9->69 71 2 other IPs or domains 9->71 53 C:\Users\user\AppData\...\svchost[1].exe, PE32 9->53 dropped 55 C:\ProgramData\38448989377994548315.exe, PE32 9->55 dropped 57 C:\ProgramData\vcruntime140.dll, PE32 9->57 dropped 59 6 other files (none is malicious) 9->59 dropped 97 Detected unpacking (changes PE section rights) 9->97 99 Detected unpacking (creates a PE file in dynamic memory) 9->99 101 Detected unpacking (overwrites its own PE header) 9->101 103 5 other signatures 9->103 20 38448989377994548315.exe 3 9->20         started        24 cmd.exe 1 9->24         started        file5 signatures6 process7 file8 51 C:\Users\user\AppData\Local\...\bguuwe.exe, PE32 20->51 dropped 81 Detected unpacking (changes PE section rights) 20->81 83 Detected unpacking (overwrites its own PE header) 20->83 85 Machine Learning detection for dropped file 20->85 87 Contains functionality to inject code into remote processes 20->87 26 bguuwe.exe 17 20->26         started        30 taskkill.exe 1 24->30         started        32 conhost.exe 24->32         started        34 timeout.exe 1 24->34         started        signatures9 process10 file11 61 C:\Users\user\AppData\Roaming\...\cred.dll, PE32 26->61 dropped 63 C:\Users\user\AppData\Local\...\cred[1].dll, PE32 26->63 dropped 105 Detected unpacking (changes PE section rights) 26->105 107 Detected unpacking (overwrites its own PE header) 26->107 109 Machine Learning detection for dropped file 26->109 111 Uses schtasks.exe or at.exe to add and modify task schedules 26->111 36 rundll32.exe 26->36         started        40 cmd.exe 1 26->40         started        42 schtasks.exe 1 26->42         started        signatures12 process13 dnsIp14 65 192.168.2.4 unknown unknown 36->65 89 System process connects to network (likely due to code injection or exploit) 36->89 91 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->91 93 Tries to steal Instant Messenger accounts or passwords 36->93 95 2 other signatures 36->95 44 reg.exe 1 40->44         started        47 conhost.exe 40->47         started        49 conhost.exe 42->49         started        signatures15 process16 signatures17 113 Creates an undocumented autostart registry key 44->113
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a20723e685893bb03cdfc734c172e792a4d863381613b9d9d5719a9c00dc6fa3/
Threat name:
Win32.Trojan.Raccrypt
Create hunting rule
Status:
Malicious
First seen:
2022-07-05 06:01:56 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
29 of 39 (74.36%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uidshzufre53apg7y42mc4xhsksnqyzycyj3twovognjyag4n6rq._file
Verdict:
malicious
Similar samples:
2dc5cc120e186c3673f4cf78d23e824eb02a1967501b32c16c9e567663499936
ArkeiStealer
475835b6703aade008c297f726c4cbe8fe29ac4d67bcf28d3761aeab59d3e929
ArkeiStealer
5264222d1b04f2b0b20128033d9b8033ebe5bb35a579078dd134ea3393a19c55
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829fa71dbd6820fc92a1d20fd3adc4ce96e7d4c99ca503f26d706e7594e0578e
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82a108c44defd4e43bf5bdee2bbadbf7f62870683557276b698d15845267c722
ArkeiStealer
839f3c45e51af32450e7f1ae966fc9fde7eb41115e77e6cbb49771dc49a8b0dc
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a524c71268f1ac9f02737e1d22d59b86f3ec8e171c5274a85fa7f296e2646454
ArkeiStealer
c1bb0bfef2557c7c68967699964152c1b4898bbeefb1175ee9a8989d49ec367c
ArkeiStealer
d9ac9870270224d8c179a560d2a4ebb27190f6757df63a9d035260cb5d64cf9e
ArkeiStealer
f08411f389d5065c97508c3b99422301877c3c56877fc6f2913939c24ae48706
ArkeiStealer
+ 5'268 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:vidar botnet:1448 collection discovery spyware stealer suricata trojan
Link:
https://tria.ge/reports/220705-hs8jssehbj/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_win_path
Enumerates physical storage devices
Program crash
Accesses 2FA software files, possible credential harvesting
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Loads dropped DLL
Reads local data of messenger clients
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Amadey
Detect Amadey credential stealer module
Vidar
suricata: ET MALWARE Amadey CnC Check-In
suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
Malware Config
C2 Extraction:
https://t.me/tg_dailyrunnings
https://mastodon.online/@olegf9844g
185.215.113.15/Lkb2dxj3/index.php
Unpacked files
SH256 hash:
cfe5bc496d4ad8f192b28c09834b37f0d4d4826d45eb2fefe30bc0f73a5e5973
MD5 hash:
b1a4a6f96ee1f2f670c0c411d74c22b5
SHA1 hash:
f09bf1ed107f180c2949ac333596604346fe4468
Link:
https://www.unpac.me/results/b56ad4fd-abc8-4bc9-bd3a-66e6d72e2f8d/
SH256 hash:
a20723e685893bb03cdfc734c172e792a4d863381613b9d9d5719a9c00dc6fa3
MD5 hash:
284d61db6861694aee9a555a245bb8cc
SHA1 hash:
192f103ca0bc8f655d688756dc285618f3d115bd
Link:
https://www.unpac.me/results/b56ad4fd-abc8-4bc9-bd3a-66e6d72e2f8d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a20723e68589/report/overview.html
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_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB

File information

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

Web download

ArkeiStealer

Executable exe a20723e685893bb03cdfc734c172e792a4d863381613b9d9d5719a9c00dc6fa3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2237500/
  
Delivery method
Distributed via web download

Comments