MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76b0e21eb14f634c137bd2e38462e55c70cdb71cd681463f0c24eb9208aab4df. 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 YARA File information Comments
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SHA256 hash: 76b0e21eb14f634c137bd2e38462e55c70cdb71cd681463f0c24eb9208aab4df
SHA3-384 hash: 4ee0a6e6e4323263676b48c966cf2d3f240917471d3058b1458746ab0969fe2f2c84aeeed14e07e8bbd89ed9f0e2abd1
SHA1 hash: e9f4ca45ca47420944b1edde88d4f8fa171e5971
MD5 hash: 73d6177754cde9105ede509643943ba6
humanhash: venus-apart-east-neptune
File name:73d6177754cde9105ede509643943ba6.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:3'795'472 bytes
First seen:2022-02-15 19:46:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 18df1dcc1fa258b4d6e464d165239b75 (11 x RedLineStealer, 1 x Formbook, 1 x ArkeiStealer)
ssdeep 98304:Up36XhhfhmlnOE7co7xUXRXvzrCxIfvqXQvjj8P15p:UJaWUhXvzrUIfvqAPE
Threatray 670 similar samples on MalwareBazaar
TLSH T18506334040F67D1DD6A8F0781BB7B5B9C08E50B6291BC0F7E179B18A42E4EDE8A25B46
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://62.182.156.187/MicrosoftApi.exe
Verdict:
Suspicious activity
Analysis date:
2022-02-16 01:22:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a995e135-3ced-4257-8909-cd69beb18a68

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/241731/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.53366.23302.32582.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Launching the default Windows debugger (dwwin.exe)
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Changing a file
Creating a file in the %AppData% subdirectories
Creating a window
DNS request
Sending a custom TCP request
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Stealing user critical data
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed zusy
Link:
https://www.filescan.io/uploads/620c033ca2660f3bb9ddd325/reports/fb25b118-1a8c-4c03-9a80-baed1cbbc431/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d8d94ec1-7631-43ad-a440-e7cf8af8e199
Result
Threat name:
Vidar Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/940349
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
DLL side loading technique detected
Found evasive API chain (may stop execution after checking computer name)
Found evasive API chain (may stop execution after checking locale)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Injects a PE file into a foreign processes
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
PE file has nameless sections
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
Tries to evade analysis by execution special instruction which cause usermode exception
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Vidar stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 572823 Sample: pqhcYlk9QJ.exe Startdate: 15/02/2022 Architecture: WINDOWS Score: 100 82 Found malware configuration 2->82 84 Multi AV Scanner detection for dropped file 2->84 86 Multi AV Scanner detection for submitted file 2->86 88 9 other signatures 2->88 10 pqhcYlk9QJ.exe 2->10         started        13 MicrosoftApi.exe 2->13         started        process3 signatures4 100 Writes to foreign memory regions 10->100 102 Allocates memory in foreign processes 10->102 104 Tries to evade analysis by execution special instruction which cause usermode exception 10->104 106 Injects a PE file into a foreign processes 10->106 15 AppLaunch.exe 129 10->15         started        20 WerFault.exe 23 9 10->20         started        process5 dnsIp6 70 cdn.discordapp.com 162.159.133.233, 443, 49763 CLOUDFLARENETUS United States 15->70 72 194.87.218.26, 49762, 80 AS-REGRU Russian Federation 15->72 54 C:\Users\user\AppData\...\MicrosoftApi[1].exe, PE32+ 15->54 dropped 56 C:\ProgramData\sqlite3.dll, PE32 15->56 dropped 58 C:\ProgramData\MicrosoftApi.exe, PE32+ 15->58 dropped 60 C:\Users\user\AppData\...\sqlite3[1].dll, PE32 15->60 dropped 74 Found evasive API chain (may stop execution after checking mutex) 15->74 76 Found evasive API chain (may stop execution after checking computer name) 15->76 78 Tries to harvest and steal browser information (history, passwords, etc) 15->78 80 4 other signatures 15->80 22 MicrosoftApi.exe 1 6 15->22         started        26 cmd.exe 1 15->26         started        62 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 20->62 dropped file7 signatures8 process9 file10 64 C:\Users\user\AppData\...\MicrosoftApi.exe, PE32+ 22->64 dropped 94 Multi AV Scanner detection for dropped file 22->94 96 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 22->96 98 Machine Learning detection for dropped file 22->98 28 MicrosoftApi.exe 1 6 22->28         started        32 conhost.exe 26->32         started        34 timeout.exe 1 26->34         started        signatures11 process12 file13 66 C:\Users\user\AppData\...\tmp6F7B.tmp.cmd, DOS 28->66 dropped 108 Multi AV Scanner detection for dropped file 28->108 110 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 28->110 112 Machine Learning detection for dropped file 28->112 36 cmd.exe 1 28->36         started        39 cmd.exe 28->39         started        signatures14 process15 signatures16 90 Uses schtasks.exe or at.exe to add and modify task schedules 36->90 92 Adds a directory exclusion to Windows Defender 36->92 41 powershell.exe 36->41         started        44 conhost.exe 36->44         started        46 timeout.exe 36->46         started        48 conhost.exe 39->48         started        50 timeout.exe 39->50         started        52 schtasks.exe 39->52         started        process17 dnsIp18 68 192.168.2.1 unknown unknown 41->68
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/76b0e21eb14f634c137bd2e38462e55c70cdb71cd681463f0c24eb9208aab4df/
Threat name:
Win32.Infostealer.Reline
Create hunting rule
Status:
Malicious
First seen:
2022-02-15 19:47:15 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
29 of 43 (67.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o2yoehvrj5ruye332lryiyxflrym3ny422aumpymetvzecfkwtpq._file
Verdict:
malicious
Similar samples:
51e6527daa5a10028c434c7ceaed1570ddd95e1de0eafa702f77860cec3d0b7c
ArkeiStealer
5cbc602e1850dce976f8f5a33a1b97aed7648f409892fc2a0da0900d3d97bb53
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7dd43c56ab6c3dd0817b74f7cfd24454a6d622eb37e9dc824a3e57ada642d9ba
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a32437ab62c0ac90c236c6a8e33bd6b57e661cd83aaae7d6c9f371eefca5a7a5
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d1653b5cbbf61f3666ac0c5ac308b75d0d0c5029941ca9efbf37f18b51f9a3a6
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d486573a12a0a407b7ae295318b59e750fb63cd9de6d46cceb2c173ae0b6b650
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e0453a56a222c1a325d6b9ddc8ce5a692ecfba00664d0e36f9fdad9fde46acfb
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fb78e43ae17426eb0f2066a30e1eff92116eff495f10f1789f1f69fab3c377c0
ArkeiStealer
+ 660 additional samples on MalwareBazaar
Result
Malware family:
arkei
Create hunting rule
Score:
  10/10
Tags:
family:arkei spyware stealer
Link:
https://tria.ge/reports/220215-yhjqpahee9/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
Arkei
Suspicious use of NtCreateProcessExOtherParentProcess
Unpacked files
SH256 hash:
eab45c4859ff1a895a6d13cee07b5abcdd4826c4f1947c464ea7163e8e26600a
MD5 hash:
e908c70ba70e89bce96c65c768fc714f
SHA1 hash:
4195c661a31bbed6f21d677d2e907e3ee2b20eec
Link:
https://www.unpac.me/results/64c51ac7-86d1-46c6-a0cf-7dd86d2cb5d7/
SH256 hash:
d7da27f54e1d44c29831d7f7d5bb51037af62fe959eaab95afa46ac6adf647d6
MD5 hash:
1ec55839f6908a11b9f473628e2a3fb3
SHA1 hash:
ec28e4ca3190a536b1efe89013361224c59eadb9
Link:
https://www.unpac.me/results/64c51ac7-86d1-46c6-a0cf-7dd86d2cb5d7/
SH256 hash:
76b0e21eb14f634c137bd2e38462e55c70cdb71cd681463f0c24eb9208aab4df
MD5 hash:
73d6177754cde9105ede509643943ba6
SHA1 hash:
e9f4ca45ca47420944b1edde88d4f8fa171e5971
Link:
https://www.unpac.me/results/64c51ac7-86d1-46c6-a0cf-7dd86d2cb5d7/
Malware family:
XMRIG
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/76b0e21eb14f/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/76b0e21eb14f634c137bd2e38462e55c70cdb71cd681463f0c24eb9208aab4df

File information

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

Web download

ArkeiStealer

Executable exe 76b0e21eb14f634c137bd2e38462e55c70cdb71cd681463f0c24eb9208aab4df

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2000372/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/241731/

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