MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b0f4015ce61a313caff02c7ef299e129be1332f4dfc2290efd64a452e7fbb26. 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: 7b0f4015ce61a313caff02c7ef299e129be1332f4dfc2290efd64a452e7fbb26
SHA3-384 hash: ecbc401f51fd7aadf299b51d19ebdbb17619b90c6fb3bc0b7f22ce33e0247b5bd7659ce84b8d12c552b84d9f6ea32258
SHA1 hash: a4908c1d626e74552e7c1e8828a7bcf7e4bcda08
MD5 hash: fc4549a989ee9bf08fdff506af00820a
humanhash: emma-robert-ink-wyoming
File name:Order-IAR2204774.doc
Download: download sample
Signature Formbook
Create hunting rule
File size:223'061 bytes
First seen:2022-04-14 10:52:58 UTC
Last seen:Never
File type:Word file doc
MIME type:text/plain
ssdeep 1536:iFVGRyIs3WFCLPII9to/347lThdqdzFz76mAg5eeVhMDw5wfLU:iDPQM8dzFtr5RDAw5wfQ
TLSH T13724E9B4684F0872D308DC1E25A8B645AE79FEE374C1557223AFE434CF9AAF29EC4541
Reporter lowmal3
Tags:doc FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order-IAR2204774.doc
Verdict:
No threats detected
Analysis date:
2022-04-14 11:08:32 UTC
Tags:
ole-embedded
Link:
https://app.any.run/tasks/736d0009-47f1-4220-acbc-2ceb3f83fa18

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
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
Sending an HTTP GET request
Launching a file downloaded from the Internet
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/7b0f4015ce61a313caff02c7ef299e129be1332f4dfc2290efd64a452e7fbb26/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/6257fd26ffe27d5119cd4250/reports/f982cf4e-c8a6-4c55-bb41-827291d1cf7b/overview
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976753
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Document contains a stream with embedded javascript code
Document contains OLE streams with names of living off the land binaries
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
Injects files into Windows application
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
System process connects to network (likely due to code injection or exploit)
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: 609236 Sample: Order-IAR2204774.doc Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 Sigma detected: Powershell download and execute file 2->63 65 19 other signatures 2->65 10 WINWORD.EXE 301 42 2->10         started        process3 dnsIp4 53 wellcalls.com 212.193.30.19, 49171, 49172, 49173 SPD-NETTR Russian Federation 10->53 45 C:\Users\user\AppData\...\Unstable[1].exe, PE32 10->45 dropped 47 C:\Users\user\AppData\...\abdtfhgYgeghDp .scT, data 10->47 dropped 49 C:\Users\user\AppData\Local\...\8E4D8557.png, 370 10->49 dropped 85 Document exploit detected (creates forbidden files) 10->85 87 Suspicious powershell command line found 10->87 89 Tries to download and execute files (via powershell) 10->89 91 2 other signatures 10->91 15 powershell.exe 10->15         started        18 powershell.exe 12 7 10->18         started        22 notepad.exe 10->22         started        24 2 other processes 10->24 file5 signatures6 process7 dnsIp8 55 wellcalls.com 15->55 26 Unstable.exe 1 5 15->26         started        57 wellcalls.com 18->57 43 C:\Users\user\AppData\Roaming\Unstable.exe, PE32 18->43 dropped 67 Powershell drops PE file 18->67 69 Injects files into Windows application 22->69 file9 signatures10 process11 signatures12 79 Machine Learning detection for dropped file 26->79 81 Tries to detect virtualization through RDTSC time measurements 26->81 83 Injects a PE file into a foreign processes 26->83 29 Unstable.exe 26->29         started        32 Unstable.exe 26->32         started        process13 signatures14 93 Modifies the context of a thread in another process (thread injection) 29->93 95 Maps a DLL or memory area into another process 29->95 97 Sample uses process hollowing technique 29->97 99 Queues an APC in another process (thread injection) 29->99 34 explorer.exe 29->34 injected process15 dnsIp16 51 www.hebiyou.com 156.226.213.216, 49174, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 34->51 71 System process connects to network (likely due to code injection or exploit) 34->71 38 NAPSTAT.EXE 34->38         started        41 autofmt.exe 34->41         started        signatures17 process18 signatures19 73 Modifies the context of a thread in another process (thread injection) 38->73 75 Maps a DLL or memory area into another process 38->75 77 Tries to detect virtualization through RDTSC time measurements 38->77
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7b0f4015ce61a313caff02c7ef299e129be1332f4dfc2290efd64a452e7fbb26/
Threat name:
Script.Trojan.RTFObfustream
Create hunting rule
Status:
Malicious
First seen:
2022-04-14 08:57:02 UTC
File Type:
Document
Extracted files:
15
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pmhuafoomgrrhsx7ald66km6ckn6cmzpjx6cfehp2zfeklt7xmta._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ce20 rat spyware stealer trojan
Link:
https://tria.ge/reports/220414-myzajahgd2/
Behaviour
Checks processor information in registry
Enumerates system info in registry
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
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/Unstable.exe
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b0f4015ce61/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/7b0f4015ce61a313caff02c7ef299e129be1332f4dfc2290efd64a452e7fbb26

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.

Malspam

Formbook

Word file doc 7b0f4015ce61a313caff02c7ef299e129be1332f4dfc2290efd64a452e7fbb26

(this sample)

  
Delivery method
Distributed via e-mail attachment

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