MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b4b92d6eefbcabd5c2af244e8f048e5d11d1cc2f0c967ff244457aae3844adb. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: 7b4b92d6eefbcabd5c2af244e8f048e5d11d1cc2f0c967ff244457aae3844adb
SHA3-384 hash: 77c2d872dea325b07c9abbf47036988415f915a7bac97347b4bfb77800d9c0a51891d9a10f604343912a58e7d80244b5
SHA1 hash: 00cf60c3a49581ca218be378138c94a5e7b0e209
MD5 hash: 61e064dc883c80dd132ca307a82ea29e
humanhash: black-lake-princess-johnny
File name:URGENT REQUEST FOR QUOTSCAN COPY_PDF_______________________________________....exe
Download: download sample
Signature Formbook
Create hunting rule
File size:843'776 bytes
First seen:2022-02-23 15:13:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:VzK777777777777MLJkbgo7/H0rSuWW+8wmXrDWxXy:k777777777777MLJkbgo7MrfymXrsXy
Threatray 10'356 similar samples on MalwareBazaar
TLSH T12605D00439A74F3DF0B19BB24DC5EC74FA9DFB232C08B37D78556246C691B9049826BA
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/243848/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.NanoBot.mc.30336.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62164f43875593a3cc0b3d0c/reports/bd12d4d5-0878-4c6a-90e9-e10c1f10ac15/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/926a5569-d2b5-4f67-88dd-99241c758581
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/945034
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Sigma detected: Suspicius Schtasks From Env Var Folder
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 577524 Sample: URGENT REQUEST FOR QUOTSCAN... Startdate: 23/02/2022 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for domain / URL 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 17 other signatures 2->48 10 URGENT REQUEST FOR QUOTSCAN COPY_PDF_______________________________________....exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\...34LtyHzunbUSU.exe, PE32 10->34 dropped 36 C:\Users\...36LtyHzunbUSU.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp45BF.tmp, XML 10->38 dropped 40 URGENT REQUEST FOR...________....exe.log, ASCII 10->40 dropped 50 Adds a directory exclusion to Windows Defender 10->50 52 Injects a PE file into a foreign processes 10->52 14 URGENT REQUEST FOR QUOTSCAN COPY_PDF_______________________________________....exe 10->14         started        17 powershell.exe 25 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 wlanext.exe 21->27         started        signatures10 54 Self deletion via cmd delete 27->54 56 Modifies the context of a thread in another process (thread injection) 27->56 58 Maps a DLL or memory area into another process 27->58 60 Tries to detect virtualization through RDTSC time measurements 27->60 30 cmd.exe 1 27->30         started        process11 process12 32 conhost.exe 30->32         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7b4b92d6eefbcabd5c2af244e8f048e5d11d1cc2f0c967ff244457aae3844adb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-23 15:14:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pnfzfvxo7pfl2xbk6jcor4ci4xir2hgc6dewp7zeirl2vy4ejlnq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
070264132f92fc5cb01521385e73bf36954d4093da205c59821e844abed68b5f
Formbook
22259dc22f3239bde439c60287d4498f423a35c8e1c2b5963616569d9786252f
Formbook
2e3fd0cf4b98695538a9c744e1961b63ec166fe3c02719560fedaddcd0fde689
Formbook
6ecfdff224175dade2cbf63719974b5335c1a81cf787142681163ddf882ce00e
Formbook
70c6fd4de902c8ccce31380698b123def84b4d209c8b824e1065349a5aee9de2
Formbook
776233fa1eb951f0d8ea2d27b0da36048e6a17e1dabac5714074152ae68b8958
Formbook
96077c533e59e3b8cf38826e5e37e35f1f2eb44d356eae6575223158b565198e
Formbook
c0b711533265ba0808d1f7a5fc9b0dd17e19187c9566d9908763d27aaddf023c
Formbook
d70081accf4af57ec864124e5b0efeabf78d057fa64941e55bfc8fc5b79b66f9
Formbook
+ 10'346 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ihg0 loader rat
Link:
https://tria.ge/reports/220223-smbyraaee9/
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
811078381800166dbbc5fd38d26c3bef261557c73ff977602a2248287073df3f
MD5 hash:
f33cef1ae2de76a7e317e95f89b1c75c
SHA1 hash:
eb42461f6bc3be8d61f900d96ef01d25aef7207b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/81bb1997-a9be-4f91-bb71-b934d64b15ad/
Parent samples :
d750b5eb0bd3c9b24c2505c127c2a1ab78fd3385a2157083fcabdbba45bef7ba
db93a8cf5c8b72db62392b79b6d89f329801525af7a07e920505068922d00cc3
be2d5feff0e6129b41979d8f15047d4dbebfc994ef7e71214324a1f412e4474e
4c5764d95bdd80b5c98ce78df8684af248550c535adafae13b92b3b79125b871
42cce80e3e20528953d3472513918fa7e3061f68ba6153dfbe7db82cce6df46f
d647a2e8ff08785b542bd885e62aed69fd43ea2dd801f5144bd990ec8719f3ed
3fd7b914185575863f75d5ac1950236aa9cb4aece2fce6ef2a5cdfecdb0860fc
1e8978d9e298c1f7dfc988a4b218badd93df889eab03388033a1683f5b495f10
f7c444ed90a2592c2bff60a8bfd2dc26e285aa49b6df89ec62e8adc25d98abeb
da1950706431dfa31c66d1d99d2bc15bcb02600fecea4fab7c17f97af173cb7c
620376e4bbb28e2ff3c82427767153500ed1c55b8c20c565084940514b33bc9d
7b4b92d6eefbcabd5c2af244e8f048e5d11d1cc2f0c967ff244457aae3844adb
9484b37af380c8c86dbd8234b60e7420e498671548359ca9393ed0402d9dbd80
SH256 hash:
e9a59413624b09b06ecaac55f7d381c381b3a30682fd0239cae1e6faab0a7fcf
MD5 hash:
1da9b7ac0d4e38f7dcec559b8edf455c
SHA1 hash:
e8a853819aa3ae2ad92127958af34c513a84c2cb
Link:
https://www.unpac.me/results/81bb1997-a9be-4f91-bb71-b934d64b15ad/
SH256 hash:
e3bdaf9e98eb65a070cf4424bc123e57ade151c41e4a0d375e769749155c1715
MD5 hash:
78a25e75b94923e889ecd100349facbe
SHA1 hash:
6b3f8db525d3c98f92ed480e664ab8ee9458340b
Link:
https://www.unpac.me/results/81bb1997-a9be-4f91-bb71-b934d64b15ad/
SH256 hash:
266c32e4d7ac2b3821edc894abdf9d8ac60934f4fdcf9d77ada9d58b363d9707
MD5 hash:
0800261f82723a2a48dd135f7abf8691
SHA1 hash:
2d64ce2b00695d6046bc48ff175122cbf2a59412
Link:
https://www.unpac.me/results/81bb1997-a9be-4f91-bb71-b934d64b15ad/
SH256 hash:
7b4b92d6eefbcabd5c2af244e8f048e5d11d1cc2f0c967ff244457aae3844adb
MD5 hash:
61e064dc883c80dd132ca307a82ea29e
SHA1 hash:
00cf60c3a49581ca218be378138c94a5e7b0e209
Link:
https://www.unpac.me/results/81bb1997-a9be-4f91-bb71-b934d64b15ad/
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/7b4b92d6eefbcabd5c2af244e8f048e5d11d1cc2f0c967ff244457aae3844adb

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 7b4b92d6eefbcabd5c2af244e8f048e5d11d1cc2f0c967ff244457aae3844adb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/243848/

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