MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eacfdbbcceda821aa30589453b894e14063342e61cf3d4dc6f0da0faac5a1863. 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: 6


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

SHA256 hash: eacfdbbcceda821aa30589453b894e14063342e61cf3d4dc6f0da0faac5a1863
SHA3-384 hash: a73dd6fa0842e29f354ce76c5b34f561443def22eca6cdf8b603ebb0a58032d24c1597fc30a2c63a18706743571563c4
SHA1 hash: 9efbce0794b0aa40eba24e7f09f8095947d6e299
MD5 hash: a2c60c713d8c898528ae3287ae202a56
humanhash: solar-mango-lamp-quebec
File name:New Purchase Order.xlsm
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:116'789 bytes
First seen:2020-08-05 09:26:47 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 3072:EUWfxAeZPCx/m1DsGLzT0agiXRe5eKXk9ezwNq+DiZI:EUYNDgGn1Xw5vXkgzwNWI
TLSH E8B35A078809DB83D01C93F8BF174EA95F5EBB1DE5817ADF10260E5A7B652621C8E12E
Reporter abuse_ch
Tags:ArkeiStealer xlsm


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: vcsolutions.net
Sending IP: 193.142.59.163
From: rainton@vcsolutions.net
Subject: Request For Quotation
Attachment: New Purchase Order.xlsm

Unknown payload URL:
http://bestatmedia.com/igfxsrvc.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Xls.Malware.Sload-7135989-0
Create hunting rule

TwinWave.EvilDoc.CROCallsFunctionAndKeepsOnRunninRunnin.UNOFFICIAL
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TwinWave.EvilDoc.DOCXRSTRGOOD.WSCRIPT.SHELL.200129.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD..EXE.200225.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.CROHeadGames.20200320.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.ADODB.STREAM.200402.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.MICROSOFT.XMLHTTP.200402.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.UrlDownloaderCROSingingMonyMony.20200526.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.CROFuncDetonatorPicturesOfYou.20200611.UNOFFICIAL
Create hunting rule

MiscreantPunch.EvilMacro.Obfuscation.120715.1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a file
Sending a custom TCP request
Sending an HTTP GET request
Creating a process from a recently created file
Result
Threat name:
Oski
Create hunting rule
Detection:
malicious
Classification:
troj.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/410843
Signature
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Drops PE files to the user root directory
Machine Learning detection for sample
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office process drops PE file
Sigma detected: Executables Started in Suspicious Folder
Sigma detected: Execution in Non-Executable Folder
Sigma detected: MS Office Product Spawning Exe in User Dir
Sigma detected: Suspicious Program Location Process Starts
Yara detected Oski Stealer
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eacfdbbcceda821aa30589453b894e14063342e61cf3d4dc6f0da0faac5a1863/
Threat name:
Script.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 09:28:09 UTC
AV detection:
10 of 48 (20.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5lh5xpgo3kbbviyfrfctxckocqddgqxgdtz5jxdpbwqpvlc2dbrq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/200805-9kmc2ltzjn/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Enumerates system info in registry
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Office loads VBA resources, possible macro or embedded object present
Executes dropped EXE
Executes dropped EXE
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/eacfdbbcceda821aa30589453b894e14063342e61cf3d4dc6f0da0faac5a1863

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:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples

File information

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

Malspam

ArkeiStealer

Excel file xlsm eacfdbbcceda821aa30589453b894e14063342e61cf3d4dc6f0da0faac5a1863

(this sample)

ArkeiStealer

Executable exe f2e2cb71a06ac2a95a02168fc3d91f160e6e07ca19c5e6d3d708a9a486dd3f92

  
URLhaus
https://urlhaus.abuse.ch/url/424627/
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 f2e2cb71a06ac2a95a02168fc3d91f160e6e07ca19c5e6d3d708a9a486dd3f92
  
Dropping
MD5 eddd811e7f2369a47c664e1a284cf8bd

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