MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ec2e4ef16fcb888486f788b47dde9b66e2782a69980cb9c30e52bdb10f78f03. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5ec2e4ef16fcb888486f788b47dde9b66e2782a69980cb9c30e52bdb10f78f03
SHA3-384 hash: b9e3eab89d6949f39220b4370203b6ef31748cf862a4f88ef1ff6c022fe0763fbd57701fe6491f2e6ef5c09d3d88238d
SHA1 hash: dcd933286c294c5607fb16e39d643fbd5f9751a3
MD5 hash: b9d87e75bc2b1aa850368ef63cfcaec9
humanhash: fourteen-bakerloo-cat-foxtrot
File name:Order_2GSM04G78.doc
Download: download sample
Signature Formbook
Create hunting rule
File size:223'061 bytes
First seen:2022-04-14 11:17:54 UTC
Last seen:Never
File type:Word file doc
MIME type:text/plain
ssdeep 1536:ixVGRyIs3WFCLPII9to/347lThdqdzFz76mAg5eeVhMDw5wfLU:iPPQM8dzFtr5RDAw5wfQ
TLSH T1FB24E9B4684F0872D308DC1E25A8B645AE79FEE374C1557223AFE434CF9AAF29EC4541
Reporter abuse_ch
Tags:doc FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Order_2GSM04G78.doc
Verdict:
Malicious activity
Analysis date:
2022-04-14 20:10:01 UTC
Tags:
ole-embedded loader formbook
Link:
https://app.any.run/tasks/28d94ea6-a13a-40be-b10f-be2e222fdb21

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
MiscreantPunch.EvilRTF.CommonLure.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD.RTFSTR.SCRIPTLET.200421.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFSquiblyDooForeverYou.20210701.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a file in the %temp% directory
Changing the Zone.Identifier stream
Creating a window
DNS request
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a process from a recently created file
Sending an HTTP GET request
Unauthorized injection to a recently created process
Launching a file downloaded from the Internet
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/5ec2e4ef16fcb888486f788b47dde9b66e2782a69980cb9c30e52bdb10f78f03/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CVE-2017-0199 CVE-2017-8570 CVE-2017-8759 CVE-2018-8174 evasive exploit exploit packed powershell replace.exe update.exe wscript
Link:
https://www.filescan.io/uploads/6258032effe27d5119cd77d2/reports/d71ee97f-4b8a-4dca-a5a8-794c0665ef8e/overview
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976775
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Found suspicious RTF objects
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Microsoft Office creates scripting files
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office process drops PE file
Powershell drops PE file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Powershell download and execute file
Sigma detected: PowerShell DownloadFile
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to download and execute files (via powershell)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 609277 Sample: Order_2GSM04G78.doc Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus detection for URL or domain 2->67 69 Sigma detected: Powershell download and execute file 2->69 71 17 other signatures 2->71 11 WINWORD.EXE 295 36 2->11         started        process3 dnsIp4 63 wellcalls.com 212.193.30.19, 49171, 49172, 80 SPD-NETTR Russian Federation 11->63 55 C:\Users\user\AppData\...\Railroad[1].exe, PE32 11->55 dropped 57 C:\Users\user\AppData\...\abdtfhgYgeghDp .scT, data 11->57 dropped 59 C:\Users\user\AppData\Local\...9003F98.png, 370 11->59 dropped 93 Document exploit detected (creates forbidden files) 11->93 95 Suspicious powershell command line found 11->95 97 Tries to download and execute files (via powershell) 11->97 99 Microsoft Office creates scripting files 11->99 16 powershell.exe 12 7 11->16         started        21 powershell.exe 11->21         started        23 powershell.exe 11->23         started        25 verclsid.exe 11->25         started        file5 signatures6 process7 dnsIp8 61 wellcalls.com 16->61 53 C:\Users\user\AppData\Roaming\Railroad.exe, PE32 16->53 dropped 73 Powershell drops PE file 16->73 27 Railroad.exe 16->27         started        30 Railroad.exe 1 5 21->30         started        32 Railroad.exe 23->32         started        file9 signatures10 process11 signatures12 83 Injects a PE file into a foreign processes 27->83 34 Railroad.exe 27->34         started        85 Multi AV Scanner detection for dropped file 30->85 87 Machine Learning detection for dropped file 30->87 89 Tries to detect virtualization through RDTSC time measurements 30->89 37 Railroad.exe 30->37         started        39 Railroad.exe 32->39         started        process13 signatures14 75 Modifies the context of a thread in another process (thread injection) 34->75 77 Maps a DLL or memory area into another process 34->77 79 Sample uses process hollowing technique 34->79 81 Queues an APC in another process (thread injection) 34->81 41 explorer.exe 34->41 injected 43 control.exe 34->43         started        process15 signatures16 46 msdt.exe 41->46         started        49 colorcpl.exe 41->49         started        91 Tries to detect virtualization through RDTSC time measurements 43->91 process17 signatures18 101 Modifies the context of a thread in another process (thread injection) 46->101 103 Maps a DLL or memory area into another process 46->103 105 Tries to detect virtualization through RDTSC time measurements 46->105 51 cmd.exe 46->51         started        process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5ec2e4ef16fcb888486f788b47dde9b66e2782a69980cb9c30e52bdb10f78f03/
Threat name:
Script.Trojan.RTFObfustream
Create hunting rule
Status:
Malicious
First seen:
2022-04-14 09:04:02 UTC
File Type:
Document
Extracted files:
15
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l3boj3yw7s4iqsdppcfupxpjwzxcpavgtgamxhbq4uv5wehxr4bq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:r2y0 rat spyware stealer trojan
Link:
https://tria.ge/reports/220414-nd9q7sbhck/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Formbook Payload
Formbook
Process spawned unexpected child process
Malware Config
Dropper Extraction:
http://wellcalls.com/Railroad.exe
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5ec2e4ef16fc/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/5ec2e4ef16fcb888486f788b47dde9b66e2782a69980cb9c30e52bdb10f78f03

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_RTF_Exploit_Scripting
Create hunting rule
Author:ditekSHen
Description:detects CVE-2017-8759 or CVE-2017-8570 weaponized RTF documents.
Rule name:INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.

File information

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

Comments