MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea103cc8e05d365c5974be588279338383c416a04cad3ac3f91e44ebf4b22bc5. 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


Formbook


Vendor detections: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ea103cc8e05d365c5974be588279338383c416a04cad3ac3f91e44ebf4b22bc5
SHA3-384 hash: 2f5f214ecc9741e38cb90ee1ca94ef49fb2fee0b80c0b7804728b237eb07f764d917178e184150018fd67b10cda5d3a0
SHA1 hash: a337dee9b9cc9e0623d61d4904c15473bd410746
MD5 hash: 28a934f78d808e601685e6a8a6c4e37a
humanhash: tango-magnesium-utah-timing
File name:New PO 221184.xla
Download: download sample
Signature Formbook
Create hunting rule
File size:229'888 bytes
First seen:2022-11-02 14:44:31 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 6144:uk3hOdsylKlgryzc4bNhZF+E+W2knAk7kEzAhcW:ng
TLSH T1ED24C8DA7182DA71C0649B73115AB62AB3BF6F022D286C423A76F31A4E7D3511D23F19
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:FormBook xla xlsx

Intelligence

File Origin
# of uploads :
1
# of downloads :
365
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ta505
Create hunting rule
ID:
1
File name:
New PO 221184.xla
Verdict:
Malicious activity
Analysis date:
2022-11-02 13:37:32 UTC
Tags:
macros macros-on-open ta505 trojan loader autoit formbook
Link:
https://app.any.run/tasks/ee00d619-e7ae-482e-b8c2-412b6f510a37

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
True
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/327217/
Detection(s):
MiscreantPunch.EvilMacro.AODBWSRBMS.UNOFFICIAL
Create hunting rule

Doc.Dropper.Agent-6412232-1
Create hunting rule

TwinWave.EvilDoc.PublicDottedQuadDLrRunLikeHell.20210223.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Office.Macro-11.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.Xls.Wshell.G.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.Xls.run.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %temp% directory
Searching for synchronization primitives
Creating a file
Enabling the 'hidden' option for files in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Setting a single autorun event
Creating a process from a recently created file
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/ea103cc8e05d365c5974be588279338383c416a04cad3ac3f91e44ebf4b22bc5/results/dashboard
Payload URLs
URL
File name
http://62.108.40.71/yp/2010960.exe
ThisWorkbook
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware macros macros-on-open setupapi.dll shdocvw.dll shell32.dll svchost.exe
Link:
https://www.filescan.io/uploads/63628270ce1f43143c2a766c/reports/29aa86e8-67d2-4a20-ac46-0c338a06e9ab/overview
Label:
Malicious
Suspicious Score:
8.9/10
Score Malicious:
89%
Score Benign:
11%
Link:
https://www.malware.ai/gui/files/?id=f0388ee2-be92-4dfe-a5f5-9e5e3c3d49ee
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/ea103cc8e05d365c5974be588279338383c416a04cad3ac3f91e44ebf4b22bc5
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro with File System Write
Detected macro logic that can write data to the file system.
IPv4 Dotted Quad URL
A URL was detected referencing a direct IP address, as opposed to a domain name.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1103594
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious values (likely registry only malware)
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
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 with benign system names
Found API chain indicative of sandbox detection
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office process drops PE file
Snort IDS alert for network traffic
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 736281 Sample: New PO 221184.xla.xlsx Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 14 other signatures 2->62 8 EXCEL.EXE 6 20 2->8         started        13 wscript.exe 2->13         started        15 wscript.exe 1 2->15         started        17 2 other processes 2->17 process3 dnsIp4 54 62.108.40.71, 49171, 80 COMTRANCE-ASDE Germany 8->54 46 C:\Users\user\AppData\Local\...\svchost.exe, PE32 8->46 dropped 48 C:\Users\user\AppData\...\2010960[1].exe, PE32 8->48 dropped 50 C:\Users\user\...\~$New PO 221184.xla.xlsx, data 8->50 dropped 74 Document exploit detected (creates forbidden files) 8->74 19 svchost.exe 28 8->19         started        23 cmd.exe 13->23         started        25 cmd.exe 15->25         started        27 cmd.exe 17->27         started        file5 signatures6 process7 file8 42 C:\Users\user\AppData\Local\Temp\...\drqx.exe, PE32 19->42 dropped 64 Multi AV Scanner detection for dropped file 19->64 29 wscript.exe 2 1 19->29         started        31 drqx.exe 23->31         started        34 drqx.exe 25->34         started        36 drqx.exe 1 27->36         started        signatures9 process10 file11 38 drqx.exe 2 6 29->38         started        52 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 31->52 dropped process12 file13 44 C:\Users\user\AppData\Local\...\start.vbs, ASCII 38->44 dropped 66 Antivirus detection for dropped file 38->66 68 Multi AV Scanner detection for dropped file 38->68 70 Creates autostart registry keys with suspicious values (likely registry only malware) 38->70 72 Found API chain indicative of sandbox detection 38->72 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ea103cc8e05d365c5974be588279338383c416a04cad3ac3f91e44ebf4b22bc5/
Threat name:
Document-Word.Trojan.Valyria
Create hunting rule
Status:
Malicious
First seen:
2022-11-02 09:40:17 UTC
File Type:
Document
Extracted files:
19
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5iidzshalu3fywluxzmie6jtqob4ifvajswtvq7zdzcox5fsfpcq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:nurs macro macro_on_action persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221102-r4qmssheg3/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/65881800-addc-4515-9ad8-85e6027a40e4
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ea103cc8e05d/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/ea103cc8e05d365c5974be588279338383c416a04cad3ac3f91e44ebf4b22bc5

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB

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/327217/

Comments