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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 210f12d1282e90aadb532e7e891cbe4f089ef4f3ec0568dc459fb5d546c95eaf. 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


ZLoader


Vendor detections: 6


Maldoc score: 11


Intelligence 6 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 210f12d1282e90aadb532e7e891cbe4f089ef4f3ec0568dc459fb5d546c95eaf
SHA3-384 hash: bacb90859bd84a63314f58669d235a9460ce3aaebe8f0f625a021fb0b24e9d8764ceada9fd57ee02263006f35d66f6ee
SHA1 hash: e83a179bfdbf7443f9ff235f2e1ae9371fde3b98
MD5 hash: 00acf4dcf0cc0abf7ac955bd86a63bbc
humanhash: speaker-romeo-social-shade
File name:6171557.docm
Download: download sample
Signature ZLoader
Create hunting rule
File size:71'496 bytes
First seen:2021-07-09 10:43:45 UTC
Last seen:Never
File type:Word file docm
MIME type:application/vnd.openxmlformats-officedocument.wordprocessingml.document
ssdeep 768:/myV+A5fgnKog+h5vUNGcMTbkQtpYb3uyJA9ycZFoI3d2rpiV3KFEZ3a8AJ1A6NC:rWKol6GDEspfTUI6Qd2/GZqlNzIpfV
TLSH T143630237D64AF438D6FCE23BD0D019B1BA84991C3F35A19F6C119E7EA508293D399285
Reporter DFNCERT
Tags:docm ZLoader

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: 11
OLE dump

MalwareBazaar was able to identify 30 sections in this file using oledump:

Section IDSection sizeSection name
A1695 bytesPROJECT
A2161 bytesPROJECTwm
A397 bytesUserForm1/CompObj
A4286 bytesUserForm1/VBFrame
A5226 bytesUserForm1/f
A6292 bytesUserForm1/o
A797 bytesUserForm2/CompObj
A8287 bytesUserForm2/VBFrame
A9798 bytesUserForm2/f
A101080 bytesUserForm2/o
A1197 bytesUserForm3/CompObj
A12292 bytesUserForm3/VBFrame
A1394 bytesUserForm3/f
A1456 bytesUserForm3/o
A1597 bytesUserForm4/CompObj
A16292 bytesUserForm4/VBFrame
A1794 bytesUserForm4/f
A1856 bytesUserForm4/o
A1910659 bytesVBA/ThisDocument
A201160 bytesVBA/UserForm1
A212798 bytesVBA/UserForm2
A221454 bytesVBA/UserForm3
A231453 bytesVBA/UserForm4
A247324 bytesVBA/_VBA_PROJECT
A251703 bytesVBA/__SRP_0
A26178 bytesVBA/__SRP_1
A27550 bytesVBA/__SRP_2
A28295 bytesVBA/__SRP_3
A29883 bytesVBA/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
AutoExecDocument_CloseRuns when the Word document is closed
SuspiciousOpenMay open a file
SuspiciousRunMay run an executable file or a system command
SuspiciousCreateObjectMay create an OLE object
SuspiciousCallByNameMay attempt to obfuscate malicious function calls
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 :
376
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6171557.docm
Verdict:
Suspicious activity
Analysis date:
2021-07-09 10:44:46 UTC
Tags:
macros macros-on-close generated-doc
Link:
https://app.any.run/tasks/7233df35-537e-426d-9d36-070dad44313e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/vnd.ms-word.document.macroEnabled.12
Has a screenshot:
False
Contains macros:
True
Detection(s):
TwinWave.EvilDoc.CROStringBuilderHidingPlacesPapaDontTakeNoMess.20200916.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.CROKissFromARose.20210121.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.TKSDaftPunkRobotRock.20210224.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
Word File with Macro
Link:
https://app.docguard.net/210f12d1282e90aadb532e7e891cbe4f089ef4f3ec0568dc459fb5d546c95eaf/results/dashboard
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.expl
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/813934
Signature
Antivirus / Scanner detection for submitted sample
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro which might access itself as a file (possible anti-VM)
Document contains an embedded VBA macro with suspicious strings
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/210f12d1282e90aadb532e7e891cbe4f089ef4f3ec0568dc459fb5d546c95eaf/
Threat name:
Script-Macro.Downloader.ZLoader
Create hunting rule
Status:
Malicious
First seen:
2021-01-21 18:31:46 UTC
AV detection:
13 of 27 (48.15%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/210709-xlmkfn9t16/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Abuses OpenXML format to download file from external location
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/210f12d1282e90aadb532e7e891cbe4f089ef4f3ec0568dc459fb5d546c95eaf

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Comments