MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8426bc09e01e893337a5b15b947e6f176c1eb937768c70cd4c0526b0b710523a. 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 4 File information Comments

SHA256 hash: 8426bc09e01e893337a5b15b947e6f176c1eb937768c70cd4c0526b0b710523a
SHA3-384 hash: 3d6a28de297caf2c1832ad7feccd1516848c36d7fec8359ed941c77c2dfa8861811f2fb41fc9033acb37e4eee704a8d9
SHA1 hash: f6a1423b35029321c87893d613680b6278f43e06
MD5 hash: 4ab2374290fdbd31646351872260bc89
humanhash: georgia-vegan-robin-bacon
File name:SOF77701.exe
Download: download sample
Signature Formbook
File size:432'782 bytes
First seen:2022-01-03 13:34:53 UTC
Last seen:2022-01-03 15:50:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:jbLrS1/dW0X1Tr25zVmiA2Up/0m6KtKvbesCxngFFElTVg:jT0W0X9uDA2O/ADcxgzMVg
Threatray 12'585 similar samples on MalwareBazaar
TLSH T198942384379A816FE8F326350CB7B37BC33BC96A12A46D07B7066D1B5E32E53891D146
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
294
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOF77701.exe
Verdict:
Malicious activity
Analysis date:
2022-01-03 12:09:46 UTC
Tags:
installer trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
DNS request
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 547370 Sample: SOF77701.exe Startdate: 03/01/2022 Architecture: WINDOWS Score: 100 34 www.programeranel.com 2->34 36 www.452346.space 2->36 38 prda.aadg.msidentity.com 2->38 60 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 8 other signatures 2->66 10 SOF77701.exe 18 2->10         started        signatures3 process4 dnsIp5 46 192.168.2.1 unknown unknown 10->46 32 C:\Users\user\AppData\Local\...\xgvless.dll, PE32 10->32 dropped 68 Tries to detect virtualization through RDTSC time measurements 10->68 70 Injects a PE file into a foreign processes 10->70 15 SOF77701.exe 10->15         started        file6 signatures7 process8 signatures9 72 Modifies the context of a thread in another process (thread injection) 15->72 74 Maps a DLL or memory area into another process 15->74 76 Sample uses process hollowing technique 15->76 78 Queues an APC in another process (thread injection) 15->78 18 rundll32.exe 15->18         started        21 explorer.exe 15->21 injected process10 dnsIp11 48 Self deletion via cmd delete 18->48 50 Modifies the context of a thread in another process (thread injection) 18->50 52 Maps a DLL or memory area into another process 18->52 54 Tries to detect virtualization through RDTSC time measurements 18->54 24 cmd.exe 1 18->24         started        40 www.metamemorialhall.com 121.254.178.253, 49842, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 21->40 42 anzu76.com 163.44.239.73, 49843, 80 INTERQGMOInternetIncJP Japan 21->42 44 7 other IPs or domains 21->44 56 System process connects to network (likely due to code injection or exploit) 21->56 58 Performs DNS queries to domains with low reputation 21->58 26 autoconv.exe 21->26         started        28 autofmt.exe 21->28         started        signatures12 process13 process14 30 conhost.exe 24->30         started       
Threat name:
Win32.Trojan.GenericML
Status:
Malicious
First seen:
2022-01-03 00:38:35 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s11o rat spyware stealer suricata trojan
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
8426bc09e01e893337a5b15b947e6f176c1eb937768c70cd4c0526b0b710523a
MD5 hash:
4ab2374290fdbd31646351872260bc89
SHA1 hash:
f6a1423b35029321c87893d613680b6278f43e06
Please note that we are no longer able to provide a coverage score for Virus Total.

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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

  
Delivery method
Other

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