MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0fd4759551d1a32568250aac71951d0eec9d673e205644a45e9cbf2192de2c40. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0fd4759551d1a32568250aac71951d0eec9d673e205644a45e9cbf2192de2c40
SHA3-384 hash: af2a76cee222ece1fc6e9f3497d274d4ad12fa91cf6fec0958803f251916219594cc9b77d9b679b3de5f3a65c3311115
SHA1 hash: fc3dc5190bac9432f7e09cc98a50abcb04c88b71
MD5 hash: 2c79280e2f2b844fe611531a4fd2938b
humanhash: eleven-burger-sad-london
File name:rock556123.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:248'658 bytes
First seen:2021-07-29 18:05:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 913f6d6ea2411a4c15c51f2a8b2b970a (3 x Formbook, 2 x AZORult)
ssdeep 6144:FRQl0TMPxXFwgrrAtU5rIddZkLJtw94cJ5A+iFXIcP:vT0wggsraZktqWcJuXpP
Threatray 7'026 similar samples on MalwareBazaar
TLSH T1C1340259DBD66264E1F7B2333BB72B818F1D35589C69E6CCFA451EB9B970480C828313
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rock556123.exe
Verdict:
Malicious activity
Analysis date:
2021-07-29 18:09:50 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/93001271-4c88-4a19-af7b-325d72f19019

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/175132/
Detection(s):
Win.Trojan.Filerepmalware-9882244-0
Create hunting rule

Result
Verdict:
UNKNOWN
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/a211a7d1-f53f-4780-a8da-df945acfe36e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/824073
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 456485 Sample: rock556123.exe Startdate: 29/07/2021 Architecture: WINDOWS Score: 100 35 Multi AV Scanner detection for domain / URL 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 4 other signatures 2->41 10 rock556123.exe 2->10         started        process3 signatures4 49 Maps a DLL or memory area into another process 10->49 51 Tries to detect virtualization through RDTSC time measurements 10->51 13 rock556123.exe 10->13         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 13->16 injected process7 dnsIp8 27 www.teach.wine 91.195.240.94, 80 SEDO-ASDE Germany 16->27 29 www.richmondpistolpermit.com 208.92.209.208, 49741, 80 ENTERHOST-ASUS United States 16->29 31 www.azaza.store 185.143.234.20, 49738, 80 ABRARVAN-ASAbrArvanCDNandIaaSIR Iran (ISLAMIC Republic Of) 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 20 cmd.exe 16->20         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0fd4759551d1a32568250aac71951d0eec9d673e205644a45e9cbf2192de2c40/
Threat name:
Win32.Infostealer.Azorult
Create hunting rule
Status:
Malicious
First seen:
2021-07-29 18:06:05 UTC
AV detection:
16 of 27 (59.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=b7khlfkr2grsk2bfbkwhdfi5b3wj2zz6eblejjc6ts7sdew6fraa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
53e1c28059f751b2b8ba98d5c6adcf3e028f3d2953d5355d452dfd30f0830af0
Formbook
82de7428f30e703ae55105807dd3c3c19e2f8a377e7a5c2b925537a182d3a886
Formbook
931959c2c56185581ab2639948e3e207c5cb3c1e1c0225567c31f03a5b39e65d
Formbook
9c1d6191badf084113871feba0049fac8a2bb5761136877383579cdcf7cd781a
Formbook
a3703cc485d2a99cfec122203ed2d7dd83274af8bd0b3bcfab3fd590dd5c308c
Formbook
b61a75bab2f47f346ccd0e0e58e748092b90ec271588c5aab7b9370d30c8eeda
Formbook
e197309f79a43cdeccdc0b69344a36abc6c23fb8eef66063e4eb5cc443ee9d4d
Formbook
e8be28fabd7cdb2d4e96137dae73bd9b227a86b654c696e9fd401cb37ec68267
Formbook
f4171526b06d5a9c867e81cd7d8a808fd0897209e18005fe83a969324321bacd
Formbook
f83b9181caf9fca96aa780504a6b8aeeb30ebde24c32e2943969586a75c4a70e
Formbook
+ 7'016 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210729-s3fpasmenj/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.fbrblog.com/k1rc/
Unpacked files
SH256 hash:
af4866e6995a9fee2a6c7e5c6e1bcda196c1174740a8b13b74adcf28de1ad0df
MD5 hash:
1631da1a076efcd8bd8fd111724b99ce
SHA1 hash:
01f1909cbe6f944862657ed8aa5d3db84a4a6ae3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d64fd16b-65da-4fca-a068-8ee805fd5c78/
Parent samples :
0fd4759551d1a32568250aac71951d0eec9d673e205644a45e9cbf2192de2c40
d12401aff6e577ad268923a0310d09931870ad0f5c557245376ca0487e4be96d
497d83f4debdbc49d2cfb27433de383cd4aac3061bde01e4799d0274a3ef5615
9f8faf1ca8d3262940620bcb00487188e8657336cc3cb498ba4ad90ae96a59af
42f8e33a2ee49ddb75c5e436fb1c9279afb9f19b93103fb0a55304447a64eb4d
c2bde78efbaeb33b33e000a332b10191adf6c2b1e5d30d8cb3a9042419e97922
SH256 hash:
0fd4759551d1a32568250aac71951d0eec9d673e205644a45e9cbf2192de2c40
MD5 hash:
2c79280e2f2b844fe611531a4fd2938b
SHA1 hash:
fc3dc5190bac9432f7e09cc98a50abcb04c88b71
Link:
https://www.unpac.me/results/d64fd16b-65da-4fca-a068-8ee805fd5c78/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.13
Link:
https://yomi.yoroi.company/submissions/0fd4759551d1a32568250aac71951d0eec9d673e205644a45e9cbf2192de2c40

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_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

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/175132/

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