MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84343112791c187d10af9cea8fac68cf4fc03d72352f1fe2def0bf72f9a9afc7. 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: 11


Intelligence 11 IOCs 2 YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 84343112791c187d10af9cea8fac68cf4fc03d72352f1fe2def0bf72f9a9afc7
SHA3-384 hash: a1e67e7eb2c6ee8492e652cf4582236556d22180b2f91f6b31be35f982ca7c5209996d6747bffa32771078a70f7575a5
SHA1 hash: b0b1f42d887a07d4bfae6b1e63900bad822b0908
MD5 hash: c4c7d74ca7c0fc1511a82b040a274549
humanhash: moon-fourteen-coffee-tennessee
File name:c4c7d74ca7c0fc1511a82b040a274549.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:573'952 bytes
First seen:2021-04-28 20:56:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 330a62607dc728cb3596dbc4235ea785 (2 x ArkeiStealer, 1 x DanaBot)
ssdeep 12288:2iUfDc6TRMmHKj+ZOZhFTCnegEey4UI7hSux8eE8NE:jC/BqjSOfFTCLxFjyH8NE
Threatray 757 similar samples on MalwareBazaar
TLSH BBC4011235D0D032D5A3627B845AE7B04EBFB8A225261A4F2FC917B95F256E1EF1430F
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://176.111.174.114/Hnq8vS/index.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://78.47.81.226/ https://threatfox.abuse.ch/ioc/10151/
http://176.111.174.114/Hnq8vS/index.php https://threatfox.abuse.ch/ioc/21060/

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://ukedocumentary.com/wp-content/themes/cinestar/extendvc/xsrv.exe
Verdict:
Malicious activity
Analysis date:
2021-04-28 01:28:42 UTC
Tags:
trojan stealer vidar loader
Link:
https://app.any.run/tasks/1ff0efc0-0be0-4a0c-96ce-25b6acad0ac9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Predatorthethief
Create hunting rule
Link:
https://www.capesandbox.com/analysis/145413/
Detection(s):
Win.Malware.Generic-9856364-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Sending a UDP request
Creating a file
Sending an HTTP GET request
Deleting a recently created file
Replacing files
Reading critical registry keys
Creating a window
Delayed writing of the file
Changing the Zone.Identifier stream
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Using the Windows Management Instrumentation requests
Searching for the window
Launching a process
Creating a file in the %temp% directory
Stealing user critical data
Launching a tool to kill processes
Forced shutdown of a browser
Sending an HTTP GET request to an infection source
Sending an HTTP POST request to an infection source
Enabling autorun by creating a file
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:
Amadey Vidar
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/701325
Signature
Antivirus detection for dropped file
Contains functionality to inject code into remote processes
Creates an undocumented autostart registry key
Creates files in alternative data streams (ADS)
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Posts data to a JPG file (protocol mismatch)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal Bitcoin Wallet information
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 access)
Yara detected Amadey bot
Yara detected Amadeys stealer DLL
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 399582 Sample: wKYTg7Gp6P.exe Startdate: 28/04/2021 Architecture: WINDOWS Score: 100 84 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->84 86 Found malware configuration 2->86 88 Antivirus detection for dropped file 2->88 90 9 other signatures 2->90 9 wKYTg7Gp6P.exe 93 2->9         started        process3 dnsIp4 66 ukedocumentary.com 89.184.92.210, 49744, 80 MIROHOSTWebhostingdatacenteranddomainnamesregistrati Ukraine 9->66 68 78.47.81.226, 49735, 80 HETZNER-ASDE Germany 9->68 70 api.faceit.com 104.17.63.50, 443, 49733 CLOUDFLARENETUS United States 9->70 52 C:\Users\user\AppData\Local\...\xsrv2[1].exe, PE32 9->52 dropped 54 C:\ProgramData\M7WCJ84VE5TXJ0R4.exe, PE32 9->54 dropped 56 C:\...\M7WCJ84VE5TXJ0R4.exe:Zone.Identifier, ASCII 9->56 dropped 58 12 other files (none is malicious) 9->58 dropped 100 Detected unpacking (changes PE section rights) 9->100 102 Detected unpacking (overwrites its own PE header) 9->102 104 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 9->104 106 5 other signatures 9->106 14 M7WCJ84VE5TXJ0R4.exe 4 9->14         started        18 cmd.exe 1 9->18         started        file5 signatures6 process7 file8 60 C:\Users\user\AppData\Local\...\blfte.exe, PE32 14->60 dropped 108 Detected unpacking (changes PE section rights) 14->108 110 Detected unpacking (overwrites its own PE header) 14->110 112 Machine Learning detection for dropped file 14->112 114 Contains functionality to inject code into remote processes 14->114 20 blfte.exe 18 14->20         started        25 taskkill.exe 1 18->25         started        27 conhost.exe 18->27         started        29 timeout.exe 1 18->29         started        signatures9 process10 dnsIp11 62 176.111.174.114, 49750, 49751, 49752 WILWAWPL Russian Federation 20->62 64 192.168.2.1 unknown unknown 20->64 44 C:\Users\user\AppData\Local\...\scr[1].dll, PE32 20->44 dropped 46 C:\Users\user\AppData\Local\...\cred[1].dll, PE32 20->46 dropped 48 C:\ProgramData\1a9f26b569d5df\scr.dll, PE32 20->48 dropped 50 C:\ProgramData\1a9f26b569d5df\cred.dll, PE32 20->50 dropped 92 Detected unpacking (changes PE section rights) 20->92 94 Detected unpacking (overwrites its own PE header) 20->94 96 Machine Learning detection for dropped file 20->96 31 rundll32.exe 20->31         started        35 cmd.exe 1 20->35         started        37 rundll32.exe 1 20->37         started        file12 signatures13 process14 dnsIp15 72 192.168.2.4, 443, 49228, 49257 unknown unknown 31->72 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 31->74 76 Tries to steal Instant Messenger accounts or passwords 31->76 78 Tries to steal Mail credentials (via file access) 31->78 80 Tries to harvest and steal ftp login credentials 31->80 39 reg.exe 1 35->39         started        42 conhost.exe 35->42         started        82 System process connects to network (likely due to code injection or exploit) 37->82 signatures16 process17 signatures18 98 Creates an undocumented autostart registry key 39->98
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/84343112791c187d10af9cea8fac68cf4fc03d72352f1fe2def0bf72f9a9afc7/
Threat name:
Win32.Trojan.Predator
Create hunting rule
Status:
Malicious
First seen:
2021-04-27 20:18:50 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qq2dcetzdqmh2efpttvi7ldiz5h4aplsguxr7yw66c7xf6njv7dq._file
Verdict:
malicious
Similar samples:
0ae02edbc714dfd70bc71151c585d12d35b407c831ea5c9abf5c32376ce14a45
ArkeiStealer
387db5d0fff6033a701405b93c2c600aecf09e2610a31a1495b61f0c54fa822b
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400b91a28f89f2fd49d5422fc602e1509d7df781372d291da60f6566adebe6bb
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4139739d5bfa8330e095a68c658040fb42c75cde651e3baa8afafb4fc557b202
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4a891dc9dba8058c5a26aee7c2a25d2f4a10fd1acde4680d53c2957c8339d43a
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5114da99edb9632526115354fe8f2a052c84c5da406a923799539fc92df4c9c0
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a0ac775ecbfa0ab3218e32b09a0d4fdcd82e7ceaa31241dc106c4fc77e9b5ddb
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b5a399c0ea40983abc68b828ccb14efde2db90c047bbfba9ae418317ce7f036d
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d2d27adf86c11aade4e8c6a63223f21709382df7266e6889775db56b625cf8fa
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ea077019bc7eed24cd45cf0e7b78d8a90ee8a7b8e6a7c7e994d1f62954d00c39
ArkeiStealer
+ 747 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:vidar discovery spyware stealer trojan
Link:
https://tria.ge/reports/210428-cdjwrwy2xx/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
NTFS ADS
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
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Amadey
Vidar
Malware Config
C2 Extraction:
176.111.174.114/Hnq8vS/index.php
Unpacked files
SH256 hash:
01f9f432012f001ab41de2bd764cbca74bc4c06deeb9ef46a10f9992252e9e51
MD5 hash:
b37a5cb1b8f304830c6684f9fe6d7d9f
SHA1 hash:
94a10effbbeb5ed57cea31f42e817eab85de3c3a
Detections:
win_vidar_auto
Create hunting rule
Link:
https://www.unpac.me/results/83ddfa1c-7c57-4fb6-8535-dc01b50b7fee/
SH256 hash:
84343112791c187d10af9cea8fac68cf4fc03d72352f1fe2def0bf72f9a9afc7
MD5 hash:
c4c7d74ca7c0fc1511a82b040a274549
SHA1 hash:
b0b1f42d887a07d4bfae6b1e63900bad822b0908
Link:
https://www.unpac.me/results/83ddfa1c-7c57-4fb6-8535-dc01b50b7fee/
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:Amadey
Create hunting rule
Author:kevoreilly
Description:Amadey Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_vidar_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:with_sqlite
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/145413/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-28 21:03:44 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0003.002] Communication Micro-objective::Connect Pipe::Interprocess Communication
1) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
2) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
3) [C0049] File System Micro-objective::Get File Attributes
4) [C0052] File System Micro-objective::Writes File
5) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
6) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
7) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
8) [C0040] Process Micro-objective::Allocate Thread Local Storage
9) [C0041] Process Micro-objective::Set Thread Local Storage Value
10) [C0018] Process Micro-objective::Terminate Process
11) [C0039] Process Micro-objective::Terminate Thread