MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cec950b5a2818af2a8419bac0f55467a9334824f86a060a1b4f555dfa4dfd1b. 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


AZORult


Vendor detections: 14


Maldoc score: 2


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1cec950b5a2818af2a8419bac0f55467a9334824f86a060a1b4f555dfa4dfd1b
SHA3-384 hash: f4d66e4677a7dc52fc4d1367f1ab140f4ce73eb448f3dae0d2889fdd9b5802af62c0b26c7fc6f69e24ea98f3a06ca719
SHA1 hash: 6f24d08fd83320e303d0cb3b48a2ba029b783d38
MD5 hash: 15a4cb54baeca1e5a1a8fea8483ca1af
humanhash: papa-asparagus-item-august
File name:1132.xls
Download: download sample
Signature AZORult
Create hunting rule
File size:1'127'936 bytes
First seen:2023-12-11 15:08:39 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 24576:Aw6/4ZyEAXZSqQw6/VZyuAXZSHN8Ow7cIP/BHzxatjU258wdy:b6/qKEG6//IEat7jPNlUjUm8K
TLSH T13335D003A910EF93C41D87F8BE631E990F0B6F19E595A9DB00637F8B3A70762285B51D
TrID 46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4)
26.7% (.XLS) Microsoft Excel sheet (32500/1/3)
20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
6.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter abuse_ch
Tags:AZORult CVE-2017-11882 CVE-2018-0802 xls

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id
Maldoc score: 2
OLE dump

MalwareBazaar was able to identify 33 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3120908 bytesSummaryInformation
494 bytesMBD00158797/CompObj
562 bytesMBD00158797/Ole
620409 bytesMBD00158797/CONTENTS
794 bytesMBD00158798/CompObj
862 bytesMBD00158798/Ole
964830 bytesMBD00158798/CONTENTS
1093 bytesMBD00158799/CompObj
1164 bytesMBD00158799/Ole
12124841 bytesMBD00158799/CONTENTS
1399 bytesMBD0015879A/CompObj
1491441 bytesMBD0015879A/Package
1594 bytesMBD0015879B/CompObj
1662 bytesMBD0015879B/Ole
1764830 bytesMBD0015879B/CONTENTS
1893 bytesMBD0015879C/CompObj
1964 bytesMBD0015879C/Ole
20124841 bytesMBD0015879C/CONTENTS
2199 bytesMBD0015879D/CompObj
2291441 bytesMBD0015879D/Package
231304 bytesMBD0015879E/OLE10nATIve
2420 bytesMBD0015879E/Ole
25395161 bytesWorkbook
26527 bytes_VBA_PROJECT_CUR/PROJECT
27104 bytes_VBA_PROJECT_CUR/PROJECTwm
28977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
29977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
30977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
31985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
322644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
33553 bytes_VBA_PROJECT_CUR/VBA/dir
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
1
# of downloads :
280
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/465447/
Detection(s):
SecuriteInfo.com.Other.Malware-gen.19728.9505.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Heur.1282.16692.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Other.Malware-gen.25106.3990.UNOFFICIAL
Create hunting rule

Sanesecurity.Shelter.Malware.BadMacro.BadOleNatEquat.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.EQAndMisCasedOleNativeWasTheCaseThatTheyGaveMe.20200215.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a window
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/1cec950b5a2818af2a8419bac0f55467a9334824f86a060a1b4f555dfa4dfd1b/results/dashboard
Behaviour
BlacklistAPI detected
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control embedequation exploit exploit lolbin macros shell32 shellcode
Link:
https://www.filescan.io/uploads/65772c228b5ba47db2de4053/reports/a16856af-e180-4d1c-9bdf-dc159aba1400/overview
Verdict:
Malicious
Labled as:
CVE-2018-0802
Link:
https://www.hybrid-analysis.com/sample/1cec950b5a2818af2a8419bac0f55467a9334824f86a060a1b4f555dfa4dfd1b
Label:
Benign
Suspicious Score:
2.3/10
Score Malicious:
24%
Score Benign:
76%
Link:
https://www.malware.ai/gui/files/?id=6bbefa51-2cae-4055-966a-f53675e136fb
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/1cec950b5a2818af2a8419bac0f55467a9334824f86a060a1b4f555dfa4dfd1b
Details
Document With Few Pages
Document contains between one and three pages of content. Most malicious documents are sparse in page count.
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1359724
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
DLL side loading technique detected
Excel sheet contains many unusual embedded objects
Maps a DLL or memory area into another process
Obfuscated command line found
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Searches for Windows Mail specific files
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic
Suspicious powershell command line found
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 / registry access)
Very long command line found
Writes to foreign memory regions
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1359724 Sample: 1132.xls Startdate: 12/12/2023 Architecture: WINDOWS Score: 100 81 Snort IDS alert for network traffic 2->81 83 Antivirus detection for URL or domain 2->83 85 Antivirus / Scanner detection for submitted sample 2->85 87 8 other signatures 2->87 11 EQNEDT32.EXE 12 2->11         started        16 EQNEDT32.EXE 2->16         started        18 AcroRd32.exe 33 2->18         started        20 EXCEL.EXE 58 62 2->20         started        process3 dnsIp4 75 192.3.241.235, 49164, 80 AS-COLOCROSSINGUS United States 11->75 63 C:\Users\user\AppData\Roaming\wlanext.exe, PE32 11->63 dropped 65 C:\Users\user\AppData\...\wlanext[1].exe, PE32 11->65 dropped 107 Office equation editor establishes network connection 11->107 109 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 11->109 22 wlanext.exe 2 34 11->22         started        26 wlanext.exe 16->26         started        28 RdrCEF.exe 2 18->28         started        file5 signatures6 process7 dnsIp8 53 C:\Users\user\...\Aminoacetophenone.Kur, ASCII 22->53 dropped 97 Suspicious powershell command line found 22->97 31 powershell.exe 5 22->31         started        34 powershell.exe 26->34         started        77 192.168.2.255, 137, 138 unknown unknown 28->77 file9 signatures10 process11 signatures12 111 Suspicious powershell command line found 31->111 113 Obfuscated command line found 31->113 115 Very long command line found 31->115 36 powershell.exe 2 31->36         started        117 DLL side loading technique detected 34->117 39 powershell.exe 34->39         started        process13 signatures14 89 Searches for Windows Mail specific files 36->89 91 Writes to foreign memory regions 36->91 93 Maps a DLL or memory area into another process 36->93 41 wab.exe 60 36->41         started        95 DLL side loading technique detected 39->95 46 wab.exe 39->46         started        process15 dnsIp16 67 coopsantodomingo.com 200.121.120.116, 49168, 49171, 80 TelefonicadelPeruSAAPE Peru 41->67 69 b1lea.shop 172.67.154.223, 49169, 49170, 49172 CLOUDFLARENETUS United States 41->69 71 www.coopsantodomingo.com 41->71 55 C:\Users\user\AppData\...\vcruntime140.dll, PE32 41->55 dropped 57 C:\Users\user\AppData\Local\...\ucrtbase.dll, PE32 41->57 dropped 59 C:\Users\user\AppData\Local\...\softokn3.dll, PE32 41->59 dropped 61 45 other files (none is malicious) 41->61 dropped 99 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 41->99 101 Tries to steal Instant Messenger accounts or passwords 41->101 103 Tries to steal Mail credentials (via file / registry access) 41->103 105 4 other signatures 41->105 48 cmd.exe 41->48         started        73 www.coopsantodomingo.com 46->73 file17 signatures18 process19 signatures20 79 Searches for Windows Mail specific files 48->79 51 timeout.exe 48->51         started        process21
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1cec950b5a2818af2a8419bac0f55467a9334824f86a060a1b4f555dfa4dfd1b/
Threat name:
Document-Excel.Exploit.CVE-2018-0802
Create hunting rule
Status:
Malicious
First seen:
2023-12-11 15:28:15 UTC
File Type:
Document
Extracted files:
113
AV detection:
11 of 22 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dtwjkc22famk6kuedg5mb5kum6utgsbe7bvamcq3j5kv36sn7unq._file
Result
Malware family:
azorult
Create hunting rule
Score:
  10/10
Tags:
family:azorult collection infostealer spyware stealer trojan
Link:
https://tria.ge/reports/231211-ssqdbsaegl/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Executes dropped EXE
Loads dropped DLL
Reads local data of messenger clients
Blocklisted process makes network request
Downloads MZ/PE file
Azorult
Malware family:
AZORult v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1cec950b5a28/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/1cec950b5a2818af2a8419bac0f55467a9334824f86a060a1b4f555dfa4dfd1b

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_OLE_EXPLOIT_CVE_2017_11882_1
Create hunting rule
Author:ditekSHen
Description:detects OLE documents potentially exploiting CVE-2017-11882
Rule name:informational_win_ole_protected
Create hunting rule
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_OLE_file_magic_number
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:office_document_vba
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:Office document with embedded VBA
Reference:https://github.com/jipegit/

File information

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

Malspam

AZORult

Excel file xls 1cec950b5a2818af2a8419bac0f55467a9334824f86a060a1b4f555dfa4dfd1b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/465447/

Comments